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Статті в журналах з теми "Intra mode decision":

1

Lee, Seung-Ho, Sang-Hyo Park, and Euee Seon Jang. "Fast Intra Prediction Mode Decision based on Rough Mode Decision and Most Probable Mode in HEVC." Journal of Broadcast Engineering 19, no. 2 (March 30, 2014): 158–65. http://dx.doi.org/10.5909/jbe.2014.19.2.158.

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2

Jing, Luna, Ning Li, and Li Ni Ma. "Fast Intra Mode Decision Algorithm Based on Mode Correlation in SVC." Applied Mechanics and Materials 373-375 (August 2013): 525–29. http://dx.doi.org/10.4028/www.scientific.net/amm.373-375.525.

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Intra4×4 mode decision has correlation between enhancement layer and base layer in scalable video coding (SVC). In this paper, a new intra mode decision algorithm is proposed based on this correlation and the proximity of prediction directions of nine Intra4×4 prediction modes. This method is used in enhancement layer to decrease the mode numbers in enhancement layer. Experiments show that the proposed algorithm can save 27.52% encoding time on average with negligible PSNR change and small bit-rate loss.
3

Kim, Dong-Hyun, and Jae-Gon Kim. "Fast Intra Prediction Mode Decision for HEVC." Journal of the Korea Contents Association 14, no. 9 (September 28, 2014): 102–9. http://dx.doi.org/10.5392/jkca.2014.14.09.102.

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4

R.B., Mamatha, and Keshaveni N. "Intra Prediction Mode Decision for H.264." International Journal of Computer Applications 126, no. 4 (September 17, 2015): 42–46. http://dx.doi.org/10.5120/ijca2015906039.

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5

Liao, Weihang, Daiqin Yang, and Zhenzhong Chen. "A Fast Intra Mode Decision algorithm for HEVC." Electronic Imaging 2017, no. 2 (January 29, 2017): 10–15. http://dx.doi.org/10.2352/issn.2470-1173.2017.2.vipc-399.

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Huanqiang Zeng, Kai-Kuang Ma, and Canhui Cai. "Hierarchical Intra Mode Decision for H.264/AVC." IEEE Transactions on Circuits and Systems for Video Technology 20, no. 6 (June 2010): 907–12. http://dx.doi.org/10.1109/tcsvt.2010.2045802.

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7

Hong, Seungbeom, Dongjun Yang, Byungkil Park, and Sungwook Yu. "An efficient intra-mode decision method for HEVC." Signal, Image and Video Processing 10, no. 6 (January 6, 2016): 1055–63. http://dx.doi.org/10.1007/s11760-015-0858-1.

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8

Wang, Shaokang, Zhihong Wu, Guoqing Xiang, Huizhu Jia, and Xiaodong Xie. "Fast mode decision algorithm for AVS3 intra prediction." Journal of Physics: Conference Series 2646, no. 1 (December 1, 2023): 012002. http://dx.doi.org/10.1088/1742-6596/2646/1/012002.

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Abstract AVS3 is the latest generation of video coding standard developed independently by China. It obtains 50% bitrate savings under the same visual quality as compared with the previous generation coding standard AVS2, largely due to availability of numerous new coding tools. However, these newly introduced coding tools increase the computational complexity significantly and thus severely hinder the real applications of AVS3. In light of the above, this paper presents an innovative fast intra mode decision method that exploits texture information. In particular, for each Prediction Unit (PU), the Sobel operator is employed to obtain the gradient information, which helps to produce candidate intra prediction modes. In addition, to trade off coding efficiency against computational complexity, the PU content flatness is exploited to determine the number of candidate modes. The proposed method is implemented on HPM-4.0.1, and the experimental results demonstrate that it obtains 35.2% encoding time saving with moderate compression performance loss.
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BHARANITHARAN, Karunanithi, Jiun-Ren DING, Bo-Wei CHEN, and Jhing-Fa WANG. "Selective Intra Block Size Decision and Fast Intra Mode Decision Algorithms for H.264/AVC Encoder." IEICE Transactions on Information and Systems E95.D, no. 11 (2012): 2720–23. http://dx.doi.org/10.1587/transinf.e95.d.2720.

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Li, Ye, Zhihao He, and Qiuwen Zhang. "Fast Decision-Tree-Based Series Partitioning and Mode Prediction Termination Algorithm for H.266/VVC." Electronics 13, no. 7 (March 27, 2024): 1250. http://dx.doi.org/10.3390/electronics13071250.

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With the advancement of network technology, multimedia videos have emerged as a crucial channel for individuals to access external information, owing to their realistic and intuitive effects. In the presence of high frame rate and high dynamic range videos, the coding efficiency of high-efficiency video coding (HEVC) falls short of meeting the storage and transmission demands of the video content. Therefore, versatile video coding (VVC) introduces a nested quadtree plus multi-type tree (QTMT) segmentation structure based on the HEVC standard, while also expanding the intra-prediction modes from 35 to 67. While the new technology introduced by VVC has enhanced compression performance, it concurrently introduces a higher level of computational complexity. To enhance coding efficiency and diminish computational complexity, this paper explores two key aspects: coding unit (CU) partition decision-making and intra-frame mode selection. Firstly, to address the flexible partitioning structure of QTMT, we propose a decision-tree-based series partitioning decision algorithm for partitioning decisions. Through concatenating the quadtree (QT) partition division decision with the multi-type tree (MT) division decision, a strategy is implemented to determine whether to skip the MT division decision based on texture characteristics. If the MT partition decision is used, four decision tree classifiers are used to judge different partition types. Secondly, for intra-frame mode selection, this paper proposes an ensemble-learning-based algorithm for mode prediction termination. Through the reordering of complete candidate modes and the assessment of prediction accuracy, the termination of redundant candidate modes is accomplished. Experimental results show that compared with the VVC test model (VTM), the algorithm proposed in this paper achieves an average time saving of 54.74%, while the BDBR only increases by 1.61%.

Дисертації з теми "Intra mode decision":

1

Ho, Chinh Quoc. "An Investigation of Intra-Household Interactions in Travel Mode Choice." Thesis, The University of Sydney, 2013. http://hdl.handle.net/2123/9533.

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AN INVESTIGATION OF INTRA-HOUSEHOLD INTERACTIONS IN TRAVEL MODE CHOICE This thesis develops a modelling framework to integrate intra-household interactions with tour-based mode choice. The findings provide evidence of intra-household interactions in travel mode choice of each household member and highlight factors associated with joint household activities and shared ride arrangements, with a distinction between weekdays and weekends. The results indicate that household resources, mobility and social constraints, and opportunities to coordinate household members’ activities play an important role in arranging joint household travel. Also, modelling outputs signal the differences that interpersonal interactions make to model elasticities and the implications for transport policy. The originality and the contribution of this research lie in four main areas. First, it tests the relevance of interactions between household members to household mode choice decisions and adds an additional ‘layer of interactions’ to the activity-based modelling framework. The study offers an analysis of household travel decisions embedding context and situation effects, thereby reflecting more realistically the nature of travel decisions. Second, this study offers a typology of joint household tour patterns embedded in a modelling approach which permits a variety of activity-travel patterns amongst all household members together with intra-household interactions. Third, the research provides evidence on the effects of land use factors measured at the micro-level so as to identify which aspects of the built environment are most likely to support policy change for sustainable transport choices. Finally, by separating weekend activity-travel from their weekday counterparts, this study is able to quantify empirically differences which suggest different transport management measures aimed to alleviate traffic congestion and promote public transport use.
2

Alay, Ozgu. "Fast Intra/inter Mode Decision For A Real-time H.264 Streaming System." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607355/index.pdf.

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Video compression is a key technology used in several multimedia applications. Improvements in the compression techniques together with the increasing speed and optimized architecture of the new family processors enable us to use this technology more in real time systems. H.264 (also known as MPEG-4 Part 10 or AVC - Advanced Video Coding), is the latest video coding standard which is noted for achieving very high data compression. While H.264 is superior to its predecessors, it has a very high computational complexity which makes its costly for real time applications. Thus, in order to perform video encoding with satisfactory speed there is an obvious need for reducing the computational complexity. New algorithms were developed for this purpose. The developed algorithms were implemented on Texas Instrument TMS320C64x family to be able to fulfill the requirement in optimized signal processing hardware with low power consumption which arises from the computational complexity and the need for portable devices in video processing technology. With the new algorithms developed, a computation reduction of 55% was achieved without loosing perceptual image quality. Furthermore, the algorithms were implemented on a DSP along with the networking functionality to obtain a video streaming system. The final system may be used in a wide range of fields from surveillance systems to mobile systems.
3

Zouidi, Naïma. "Complexity reduction of VVC encoder using machine learning techniques : intra-prediction." Electronic Thesis or Diss., Rennes, INSA, 2023. http://www.theses.fr/2023ISAR0016.

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En juillet 2020, la nouvelle norme de codage vidéo, appelle Versatile Video Coding (VVC), a été publiée par le groupe Joint Video Experts Team (JVET). Cette norme permet un niveau plus élevé de polyvalence avec une meilleure performance en compression vidéo par rapport à son prédécesseur, High-Efficiency Video Coding (HEVC). En effet, elle introduit plusieurs nouveaux outils de codage tels que les modes de prédiction intra à granularité plus fine (IPMs) et la division QuadTree Multi-type Tree (QTMT). Étant donné que la recherche des meilleures décisions de codage est généralement précédée par l’optimisation du coût en distorsion et débit binaire, l’introduction de nouveaux outils de codage ou l’amélioration des outils existants nécessite des calculs supplémentaires. En fait, la norme VVC est 31 fois plus complexe que la norme HEVC. Par conséquent, cette thèse vise à réduire la complexité de calcul de la norme VVC et plus particulièrement au niveau des outils de prédiction Intra. Elle étudie en premiers lieu les opportunités de réduction de la complexité dans la décision du mode intra de la norme VVC. Puis, deux algorithmes rapides de décision de mode de prédiction intra basé sur des modèles d’apprentissage automatique telles que les réseaux de neurones convolutifs multi-tachés et l’arbre de décision LightGradient Boosting Machine (Light-GBM) ont été proposés
In July 2020, the new video coding standard Versatile Video Coding (VVC), was released by the Joint Video Expert Team (JVET). This standard enables a higher level of versatility with a better compression performance compared to its predecessor, High Efficiency Video Coding (HEVC). Indeed, it introduces several new coding tools such as finer-granularity Intra prediction Modes (IPMs), and nested Multi-type Tree (QTMT) and finer-granularity Intra Prediction Modes (IPM). Because finding the best encoding decisions is usually preceded by optimizing the Rate Distortion (RD) cost, introducing new coding tools or enhancing existing ones would require additional computations. In fact, the VVC is 31 times more complex than the HEVC. Therefore, the aim of this thesis is to reduce the computational complexity of the VVC. First, it studies the upper bound of complexity reduction in the intra mode decision of the VVC. Then, proposes two fast decision algorithms for the intra mode decision based on machine learning algorithms such as Multi-Task Learning (MTL) and Light-Gradient Boosting Machine (Light-GBM) were proposed
4

Palomino, Daniel Munari Vilchez. "Algorithm and hardware based architectural design targeting the intra-frame prediction of the HEVC video coding standard." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2013. http://hdl.handle.net/10183/70236.

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Este trabalho apresenta uma arquitetura de hardware para a predição intra-quadro do padrão emergente HEVC de codificação de vídeo. O padrão HEVC está sendo desenvolvido tendo como principal objetivo o aumento em 50% na eficiência de compressão, quando comparado com o padrão H.264/AVC, atual padrão estado da arte na codificação de vídeos. Para atingir este objetivo, várias novas ferramentas de codificação foram desenvolvidas para serem introduzidas no novo padrão HEVC. Embora essas novas ferramentas tenham obtido êxito em aumentar a eficiência de compressão do novo padrão HEVC, elas também colaboraram para o aumento da complexidade computacional no processo de codificação. Analisando somente os avanços na predição intra-quadro, em comparação com o padrão H.264/AVC, é possível perceber que vários novos modos direcionais de codificação foram inseridos no processo de predição. Além disso, existem mais tamanhos de blocos que podem ser considerados pela predição intra-quadro. Nesse contexto, este trabalho propõe o uso de duas abordagens para melhorar o desempenho da predição intra-quadro em codificadores HEVC. Primeiramente, foram desenvolvidos algoritmos rápidos de decisão de modo, baseados em heurísticas, para a predição intra-quadro. Os resultados mostraram que é possível reduzir a complexidade computacional do processo de predição intra-quadro com pequenas perdas na eficiência de compressão (taxa de bits e qualidade visual). No pior caso, a perda foi de 6.9% na taxa de bits e de 0.12dB na qualidade, para uma redução de 35% no tempo de processamento. Em seguida, utilizando um dos algoritmos desenvolvidos, uma arquitetura de hardware para a predição intra-quadro foi desenvolvida. Além da redução de complexidade proporcionada pelo uso do algoritmo desenvolvido, técnicas de desenvolvido de hardware, tais como aumento no nível de paralelismo e uso de pipeline, também foram utilizadas para melhorar o desempenho da arquitetura desenvolvida. Os resultados de síntese da arquitetura para a tecnologia IBM 0,65um mostram que ela é capaz de operar a 500MHz, atingindo uma taxa de processamento suficiente para realizar a predição intra-quadro de mais de 30 quadros por segundo para resoluções como Full HD (1920x1080pixels).
This work presents an intra-frame prediction hardware architecture targeting the emerging HEVC video coding standard. The HEVC standard is being developed with the main goal of increase the compression efficiency in 50% when compared to the latest H.264/AVC video coding standard. To achieve such a goal, several new video coding strategies were developed to be used in the HEVC. Although these strategies have increased the compression efficiency of the emerging HEVC standard, it also increased the computational complexity of the encoding process. Looking only to the intra prediction process, several new directional modes are used to perform the prediction. Besides, there are more block sizes that can be supported by the intra prediction process. This work proposes to use two different approaches to improve the HEVC intra prediction performance. First we developed fast intra mode decision algorithms, showing that it is possible to decrease the intra prediction computational complexity with negligible loss in the compression performance (bit-rate and video quality). In the worst case, the bit-rate loss was 6.99% and the PSNR loss was 0.12dB in average allowing reducing the encoding time up to 35%. Then, using the developed fast algorithms as base, this work proposes an intra prediction hardware architecture. The designed architecture was specifically based on one of the developed fast intra mode decision algorithms. Besides, hardware techniques such as increase the parallelism level and pipeline were also used to improve the intra prediction performance. The synthesis results for the IBM 0.65nm have shown that the architecture is able to achieve 500MHz as maximum operation frequency. This way, the architecture throughput is enough to perform the intra prediction process for more than 30 frames per second considering high resolution digital videos, such as Full HD (1920x1080).
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Weichart, Emily Ruth. "A dynamic conflict-based account of intra-trial decision-making." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu150003429232711.

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Huang, Gon-shen, and 黃功勝. "Study of H.264 fast intra mode decision." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/67322879353761611826.

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碩士
國立中央大學
通訊工程研究所碩士在職專班
98
H.264 supports many advanced compression techniques that can achieve better coding performance than the previous standards. However, the compression techniques require high computational complexity, increase the encoding time .One important technique is intra mode decision. We present an enhanced AClow intra mode decision for H.264/AVC to reduce the computation complexity while maintaining coding performance. The correct rate of ambi AClow algorithm is increased to 87% when considering ambiguous region. To obtain high coding efficiency, SATD-based intra mode decision is also applied to intra mode decision. The experimental results show that our proposed algorithm can achieve 50% of time saving on average
7

Deng, Yu-Che, and 鄧裕澈. "Laplacian-based Intra Mode Decision for H.264." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/74348302439772548014.

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碩士
國立成功大學
電機工程學系碩博士班
97
Joint Video Team (JVT) which is composed of International Telecommunication Union (ITU) and Motion Picture Experts Group (MPEG) draws up the standard. H.264 video compression coding standard for compression of its strong performance has attracted the attention of many people. In the same picture quality, H.264 only need half of bit rate by MPEG2. Compared with all existing video coding standard, H.264 provides some of new coding techniques, such as Multi-picture inter-picture prediction, Variable block-size, Quarter-pixel precision for motion compensation, intra prediction, Context-adaptive variable-length coding (CAVLC) and Context-adaptive binary arithmetic coding (CABAC).Using a combination of these technologies can improve the compression performance. In the case of intra mode, H.264 provides luma block four modes 16x16, nine 4x4 modes and Chroma block four modes. When calculating the best model, we need to calculate the cost of the various modes. In the selection of a mode most appropriate to go through a long complicated process of calculating the cost, so coding a macroblock takes a considerable amount of computing time. This paper presents a mode decision of the edge detection method. I detected the edge to find the mode that the corresponding edge as the best mode of the block. By modifying the reference software for authentication, this method can shorten the time to choose a mode, but also can reduce the encoding time.
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Sun, Yu-Ting, and 孫郁婷. "Fast Intra Mode Decision in H.264/AVC." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/57728836776986091148.

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碩士
國立中央大學
通訊工程研究所
95
H.264/AVC is newest video coding standard and aims to enable significantly improved compression performance compared to all existing video coding. In H.264/AVC, the optimal coding mode decision for each coding block can be achieved by exhaustively calculating the rate-distortion cost. This thesis proposed two fast intra mode decision algorithms to decide the best mode in intra coding. One is rate estimation method for further reduction of RD cost calculation and another is feature-based intra mode prediction with SATD and variance. The experimental results show that both of the fast intra mode decisions are able to reduce the encoding time, with a negligible performance degradation.
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SalimPrayogo and 黃佳雄. "Fast Mode Decision Method for HEVC Intra-Frame Prediction." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/2s44ze.

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Cheng-Hsun, Li. "A Fast Intra-Prediction Mode Decision Method for H.264/AVC." 2005. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-0407200514081400.

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Книги з теми "Intra mode decision":

1

Berge, Benjamin von dem, and Thomas Poguntke. Varieties of Intra-Party Democracy. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198758631.003.0006.

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This chapter introduces a new, two-dimensional way of measuring intra-party democracy (IPD). It is argued that assembly-based IPD and plebiscitary IPD are two theoretically different modes of intra-party decision-making. Assembly-based IPD means that discussion and decision over a certain topic takes place at the same time. Plebiscitary IPD disconnects the act of voting from the discussion over the alternatives that are put to a vote. In addition, some parties have opened up plebiscitary decision-making to non-members which is captured by the concept of open plebiscitary IPD. Based on the Political Party Database Project (PPDB) dataset, indices are developed for the three variants of IPD. The empirical analyses here show that assembly-based and plebiscitary IPD are combined by political parties in different ways while open party plebiscites are currently a rare exception.
2

Hennl, Annika, and Simon Tobias Franzmann. The Effects of Manifesto Politics on Programmatic Change. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198758631.003.0011.

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The formulation of policies constitutes a core business of political parties in modern democracies. Using the novel data of the Political Party Database (PPDB) Project and the data of the Manifesto Project (MARPOR), the authors of this chapter aim at a systematic test of the causal link between the intra-party decision mode on the electoral manifestos and the extent of programmatic change. What are the effects of the politics of manifesto formulation on the degree of policy change? Theoretically, the authors distinguish the drafting process from the final enactment of the manifesto. Empirically, they show that a higher autonomy of the party elite in formulating the manifesto leads to a higher degree of programmatic change. If party members constrain party elite’s autonomy, they tend to veto major changes.
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Chiappori, Pierre-André, and Costas Meghir. Household Labor Economics. Edward Elgar Publishing, 2021. http://dx.doi.org/10.4337/9781789903546.

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This Research Collection surveys the main contribution to labor supply decisions within the family. It covers both theory, from the initial ‘unitary’ model that postulates that the family behaves as a single decision maker, to modern ‘collective’ approaches that concentrates on differences in preferences and power relationships and empirical applications. Including an original Introduction by the Editors, a special emphasis is placed on dynamic approaches, in particular issues related to intra-household commitment, and on policy implications.
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Baland, Jean-Marie, and Roberta Ziparo. Intra-Household Bargaining in Poor Countries. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198829591.003.0004.

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This chapter assesses the relevance of the collective model for the analysis of households in poor countries. As an economic unit, a household creates the possibility of mutual gains for spouses thanks to the possibility of joint consumption of public goods, risk sharing, etc. The collective model assumes that households behave efficiently, in the sense that there is no misallocation or waste of household resources, given the outside options of each spouse. This chapter bridges the theoretical literature describing efficient intra-household behaviour and the development literature that collects empirical regularities pointing toward the existence of strategic decision making among spouses. It examines the key elements of the collective model and discusses its relevance to analysing intra-household behaviour in poor countries. It explores the role that risk and uncertainty, information asymmetries, power imbalances, arranged marriages, strategic investment, gender norms, and extended households play in the attainment of efficiency.
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Preißinger, Maria. Always Late? Stability and Change in Individuals’ Time of Vote Decisions. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198792130.003.0012.

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In contrast to assumptions in the literature, voters do not make up their mind about which party to vote for at around the same time relative to the election date in different campaigns. By using a unique intra- and inter-campaign panel survey of German voters in the 2009 and 2013 federal campaigns, this analysis demonstrates that voters arrived at their final voting decision at different points of time because they were subjected to different streams of political communication in these two campaigns. Thereby, this chapter makes a case for acknowledging more variation in campaigning by examining individuals’ decision-making in more than just a single campaign. Furthermore, it calls for future research to put analyses of campaign effects into context by studying non-campaign periods as well.
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Chiappori, Pierre-Andre. Welfare and the Household. Edited by Matthew D. Adler and Marc Fleurbaey. Oxford University Press, 2016. http://dx.doi.org/10.1093/oxfordhb/9780199325818.013.26.

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Inequality measures typically consider inequality between households, whereas one should ultimately be interested in inequality between individuals. We review some conceptual issues raised by the evaluation of intra-household inequality, in particular in the presence of public consumptions. We then describe recent theoretical and empirical advances in modelling household behavior, which are based on the collective model of household behavior. Lastly, we discuss normative issues involved, in particular when the weighting of individual welfare that is implicit in the household’s decision process is not socially optimal.
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Gross, Elena, and Raymond Boadi Frempong. Socioeconomic and cultural drivers of women’s formal work in rural Ghana. 22nd ed. UNU-WIDER, 2021. http://dx.doi.org/10.35188/unu-wider/2021/956-3.

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We study socioeconomic indicators of female labour force participation in off-farm formal employment in a subsistence agriculture setting in northern Ghana, where a new commercial farm provides a positive demand shock for low-skilled labour. We use a set of quantitative and qualitative data examining determinants of female labour force participation, the social effects arising from it, and the influence on female decision-making power in their households. In line with other micro-studies, we find that education is not a driver of female labour participation in low-skilled jobs. Women from wealthier households and those with young children have a significantly lower probability of starting off-farm work. Polygamy and male dominance reduce women’s labour force participation. Women who earn off-farm income are strengthened in their intra-household decision-making position and can spend more money on themselves.

Частини книг з теми "Intra mode decision":

1

Saurty, Kanayah, Pierre C. Catherine, and Krishnaraj M. S. Soyjaudah. "Fast Intra Mode Decision for HEVC." In Studies in Computational Intelligence, 361–83. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-33386-1_18.

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Wang, Danyang, Xiaojun Jing, and Hai Huang. "Fast Intra Prediction Mode Decision Algorithm for HEVC." In Self-Organizing Networks, 121–27. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19746-3_15.

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BenHajyoussef, Anis, and Tahar Ezzedine. "Optimized Intra Mode Decision for High Efficiency Video Coding." In Image Analysis and Processing — ICIAP 2015, 309–19. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-23234-8_29.

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Tang, Hao-yang, Yi-wei Duan, and Lin-li Sun. "A Fast Mode Decision Algorithm for HEVC Intra Prediction." In Proceedings of the Fifth Euro-China Conference on Intelligent Data Analysis and Applications, 533–40. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-03766-6_60.

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Chun, Seong Soo, Ja-Cheon Yoon, and Sanghoon Sull. "Efficient Intra Prediction Mode Decision for H.264 Video." In Advances in Multimedia Information Processing - PCM 2005, 168–78. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11581772_15.

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Feng, XiuJun, PengYu Liu, and KeBin Jia. "Fast Intra Mode Decision Algorithm for 3D-HEVC Transcoding." In Advances in Intelligent Information Hiding and Multimedia Signal Processing, 59–66. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-63859-1_8.

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Cao, Jian, Na Tang, Jun Wang, and Fan Liang. "Texture-Based Fast CU Size Decision and Intra Mode Decision Algorithm for VVC." In MultiMedia Modeling, 739–51. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-37731-1_60.

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Qian, Daxing, and Xiangkun Li. "Research of H.264/AVC Intra Prediction Mode Fast Decision." In Lecture Notes in Electrical Engineering, 2405–9. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-6571-2_293.

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9

Pradeep Kumar, N. S., and H. N. Suresh. "Intra-frame Prediction Mode Decision for Efficient Compression and Signal Quality." In Advances in Intelligent Systems and Computing, 273–82. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-33622-0_25.

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Li, Min, and Guiming He. "Fast Mode Decision Algorithm in H.263+/H.264 Intra Transcoder." In Advances in Multimedia Information Processing - PCM 2006, 41–47. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11922162_5.

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Тези доповідей конференцій з теми "Intra mode decision":

1

Ismail, M., Hyunho Jo, and Donggyu Sim. "Fast intra mode decision for HEVC intra coding." In 2014 International Symposium on Consumer Electronics (ICSE). IEEE, 2014. http://dx.doi.org/10.1109/isce.2014.6884534.

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Xu, Yanling, Chenfeng Yu, and Yueqiang Lin. "Fast Intra size decision and mode decision algorithm for HEVC intra coding." In 2019 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM). IEEE, 2019. http://dx.doi.org/10.1109/pacrim47961.2019.8985078.

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3

Duan, Kun, Pengyu Liu, Zeqi Feng, and Kebin Jia. "Fast PU Intra Mode Decision in Intra HEVC Coding." In 2019 Data Compression Conference (DCC). IEEE, 2019. http://dx.doi.org/10.1109/dcc.2019.00082.

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Hota, Manjit, and Pratyush Kumar Ranjan. "A fast intra mode decision technique." In 2013 International Conference on Control Communication and Computing (ICCC). IEEE, 2013. http://dx.doi.org/10.1109/iccc.2013.6731639.

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Xiang, Wenjie, Canhui Cai, Zhangxin Wang, Huanqiang Zeng, and Jing Chen. "Fast Intra Mode Decision for HEVC." In 2014 Tenth International Conference on Signal-Image Technology & Internet-Based Systems (SITIS). IEEE, 2014. http://dx.doi.org/10.1109/sitis.2014.63.

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Zhang, Zhenming, Guangxi Zhu, Shengkui Dai, Feng Wang, and Lei Xie. "Improved intra prediction mode-decision method." In Visual Communications and Image Processing 2005. SPIE, 2005. http://dx.doi.org/10.1117/12.632497.

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Hu, Wenqiang, Kaiyang Liu, Jinchang Xu, Wei Yan, and Haifeng Guo. "AVS2 Fast Intra Mode Decision Hardware Design." In EITCE 2020: 2020 4th International Conference on Electronic Information Technology and Computer Engineering. New York, NY, USA: ACM, 2020. http://dx.doi.org/10.1145/3443467.3443912.

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Quanhe, Yu, Rong Yaocheng, and He Yun. "Fast intra mode decision strategy for HEVC." In 2013 IEEE China Summit and International Conference on Signal and Information Processing (ChinaSIP). IEEE, 2013. http://dx.doi.org/10.1109/chinasip.2013.6625390.

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Ding, Wenpeng, Wenlong Shen, Yunhui Shi, and Baocai Yin. "A Fast Intra-mode Decision Scheme for HEVC." In 2014 5th International Conference on Digital Home (ICDH). IEEE, 2014. http://dx.doi.org/10.1109/icdh.2014.21.

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Yuan, Yule, and Xiaohang Sun. "Edge information based effective intra mode decision algorithm." In 2012 IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC). IEEE, 2012. http://dx.doi.org/10.1109/icspcc.2012.6335602.

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Звіти організацій з теми "Intra mode decision":

1

Tsur, Yacov, David Zilberman, Uri Shani, Amos Zemel, and David Sunding. Dynamic intraseasonal irrigation management under water scarcity, water quality, irrigation technology and environmental constraints. United States Department of Agriculture, March 2007. http://dx.doi.org/10.32747/2007.7696507.bard.

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In this project we studied optimal use and adoption of sophisticated irrigation technologies. The stated objectives in the original proposal were to develop a conceptual framework for analyzing intra-season timing of water application rates with implications for crop and irrigation technology selection. We proposed to base the analysis on an intra-seasonal, dynamic, agro-economic model of plants' water demand, paying special attention to contamination of groundwater and soil in intensively cultivated areas that increasingly rely on water of lesser quality. The framework developed in the project integrates (i) a bio-physical model of water flow in the vadose zone and water uptake by plants and yield response with (ii) a dynamic management model to determine the optimal intra-season irrigation policy. It consists of a dynamic optimization model to determine irrigation rates at each point of time during the growing season and aggregation relating harvested yield with accumulated water input. The detailed dynamic approach provides a description of yield production processes at the plant’s level, and serves to determine intra-season irrigation decisions. Data derived from extensive field experiments were used to calibrate the model's parameters. We use the framework to establish the substitution between irrigation technology (capital) and water inputs; this is an important property of irrigation water productivity that has been overlooked in the literature. Another important feature investigated is the possibility to substitute fresh and saline water with a minimal productivity loss. The effects of soil properties and crop characteristics on optimal technology adoption have also been studied. We find that sandy soil, with low water holding capacity, is more conducive to adoption of sophisticated drip irrigation, as compared to heavier soils in which drainage losses are significantly smaller.
2

Cathles, Alison. Entrepreneurship Data for Latin America and the Caribbean: What Is There and What Is Missing? Inter-American Development Bank, December 2014. http://dx.doi.org/10.18235/0009235.

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Data representing various aspects of entrepreneurship in the Latin American and Caribbean (LAC) region are more abundant today than 10 years ago. The information about entrepreneurship in the LAC region, however, remains fragmented, as it has proliferated from different sources that vary in terms of degrees of coverage, units of analysis, and intended purposes. For the majority of LAC countries, there are dimensions of entrepreneurship for which data have either not been collected or are difficult to access. This technical note discusses what data are available and what data are missing, and opens a dialogue about the strategic decisions required to identify and prioritize the entrepreneurship data needs in the region. One thing is evident from past experience outside of the region: collecting intra- and extra-regionally comparable entrepreneurship data is a considerable undertaking that would benefit from strong public support, consensus among countries, and a solid statistical framework for data collection.
3

Burns, Malcom, and Gavin Nixon. Literature review on analytical methods for the detection of precision bred products. Food Standards Agency, September 2023. http://dx.doi.org/10.46756/sci.fsa.ney927.

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The Genetic Technology (Precision Breeding) Act (England) aims to develop a science-based process for the regulation and authorisation of precision bred organisms (PBOs). PBOs are created by genetic technologies but exhibit changes which could have occurred through traditional processes. This current review, commissioned by the Food Standards Agency (FSA), aims to clarify existing terminologies, explore viable methods for the detection, identification, and quantification of products of precision breeding techniques, address and identify potential solutions to the analytical challenges presented, and provide recommendations for working towards an infrastructure to support detection of precision bred products in the future. The review includes a summary of the terminology in relation to analytical approaches for detection of precision bred products. A harmonised set of terminology contributes towards promoting further understanding of the common terms used in genome editing. A review of the current state of the art of potential methods for the detection, identification and quantification of precision bred products in the UK, has been provided. Parallels are drawn with the evolution of synergistic analytical approaches for the detection of Genetically Modified Organisms (GMOs), where molecular biology techniques are used to detect DNA sequence changes in an organism’s genome. The scope and limitations of targeted and untargeted methods are summarised. Current scientific opinion supports that modern molecular biology techniques (i.e., quantitative real-time Polymerase Chain Reaction (qPCR), digital PCR (dPCR) and Next Generation Sequencing (NGS)) have the technical capability to detect small alterations in an organism’s genome, given specific prerequisites of a priori information on the DNA sequence of interest and of the associated flanking regions. These techniques also provide the best infra-structure for developing potential approaches for detection of PBOs. Should sufficient information be known regarding a sequence alteration and confidence can be attributed to this being specific to a PBO line, then detection, identification and quantification can potentially be achieved. Genome editing and new mutagenesis techniques are umbrella terms, incorporating a plethora of approaches with diverse modes of action and resultant mutational changes. Generalisations regarding techniques and methods for detection for all PBO products are not appropriate, and each genome edited product may have to be assessed on a case-by-case basis. The application of modern molecular biology techniques, in isolation and by targeting just a single alteration, are unlikely to provide unequivocal evidence to the source of that variation, be that as a result of precision breeding or as a result of traditional processes. In specific instances, detection and identification may be technically possible, if enough additional information is available in order to prove that a DNA sequence or sequences are unique to a specific genome edited line (e.g., following certain types of Site-Directed Nucelase-3 (SDN-3) based approaches). The scope, gaps, and limitations associated with traceability of PBO products were examined, to identify current and future challenges. Alongside these, recommendations were made to provide the infrastructure for working towards a toolkit for the design, development and implementation of analytical methods for detection of PBO products. Recognition is given that fully effective methods for PBO detection have yet to be realised, so these recommendations have been made as a tool for progressing the current state-of-the-art for research into such methods. Recommendations for the following five main challenges were identified. Firstly, PBOs submitted for authorisation should be assessed on a case-by-case basis in terms of the extent, type and number of genetic changes, to make an informed decision on the likelihood of a molecular biology method being developed for unequivocal identification of that specific PBO. The second recommendation is that a specialist review be conducted, potentially informed by UK and EU governmental departments, to monitor those PBOs destined for the authorisation process, and actively assess the extent of the genetic variability and mutations, to make an informed decision on the type and complexity of detection methods that need to be developed. This could be further informed as part of the authorisation process and augmented via a publicly available register or database. Thirdly, further specialist research and development, allied with laboratory-based evidence, is required to evaluate the potential of using a weight of evidence approach for the design and development of detection methods for PBOs. This concept centres on using other indicators, aside from the single mutation of interest, to increase the likelihood of providing a unique signature or footprint. This includes consideration of the genetic background, flanking regions, off-target mutations, potential CRISPR/Cas activity, feasibility of heritable epigenetic and epitranscriptomic changes, as well as supplementary material from supplier, origin, pedigree and other documentation. Fourthly, additional work is recommended, evaluating the extent/type/nature of the genetic changes, and assessing the feasibility of applying threshold limits associated with these genetic changes to make any distinction on how they may have occurred. Such a probabilistic approach, supported with bioinformatics, to determine the likelihood of particular changes occurring through genome editing or traditional processes, could facilitate rapid classification and pragmatic labelling of products and organisms containing specific mutations more readily. Finally, several scientific publications on detection of genome edited products have been based on theoretical principles. It is recommended to further qualify these using evidenced based practical experimental work in the laboratory environment. Additional challenges and recommendations regarding the design, development and implementation of potential detection methods were also identified. Modern molecular biology-based techniques, inclusive of qPCR, dPCR, and NGS, in combination with appropriate bioinformatics pipelines, continue to offer the best analytical potential for developing methods for detecting PBOs. dPCR and NGS may offer the best technical potential, but qPCR remains the most practicable option as it is embedded in most analytical laboratories. Traditional screening approaches, similar to those for conventional transgenic GMOs, cannot easily be used for PBOs due to the deficit in common control elements incorporated into the host genome. However, some limited screening may be appropriate for PBOs as part of a triage system, should a priori information be known regarding the sequences of interest. The current deficit of suitable methods to detect and identify PBOs precludes accurate PBO quantification. Development of suitable reference materials to aid in the traceability of PBOs remains an issue, particularly for those PBOs which house on- and off-target mutations which can segregate. Off-target mutations may provide an additional tool to augment methods for detection, but unless these exhibit complete genetic linkage to the sequence of interest, these can also segregate out in resulting generations. Further research should be conducted regarding the likelihood of multiple mutations segregating out in a PBO, to help inform the development of appropriate PBO reference materials, as well as the potential of using off-target mutations as an additional tool for PBO traceability. Whilst recognising the technical challenges of developing and maintaining pan-genomic databases, this report recommends that the UK continues to consider development of such a resource, either as a UK centric version, or ideally through engagement in parallel EU and international activities to better achieve harmonisation and shared responsibilities. Such databases would be an invaluable resource in the design of reliable detection methods, as well as for confirming that a mutation is as a result of genome editing. PBOs and their products show great potential within the agri-food sector, necessitating a science-based analytical framework to support UK legislation, business and consumers. Differentiating between PBOs generated through genome editing compared to organisms which exhibit the same mutational change through traditional processes remains analytically challenging, but a broad set of diagnostic technologies (e.g., qPCR, NGS, dPCR) coupled with pan-genomic databases and bioinformatics approaches may help contribute to filling this analytical gap, and support the safety, transparency, proportionality, traceability and consumer confidence associated with the UK food chain.
4

Payment Systems Report - June of 2021. Banco de la República, February 2022. http://dx.doi.org/10.32468/rept-sist-pag.eng.2021.

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Анотація:
Banco de la República provides a comprehensive overview of Colombia’s finan¬cial infrastructure in its Payment Systems Report, which is an important product of the work it does to oversee that infrastructure. The figures published in this edition of the report are for the year 2020, a pandemic period in which the con¬tainment measures designed and adopted to alleviate the strain on the health system led to a sharp reduction in economic activity and consumption in Colom¬bia, as was the case in most countries. At the start of the pandemic, the Board of Directors of Banco de la República adopted decisions that were necessary to supply the market with ample liquid¬ity in pesos and US dollars to guarantee market stability, protect the payment system and preserve the supply of credit. The pronounced growth in mone¬tary aggregates reflected an increased preference for liquidity, which Banco de la República addressed at the right time. These decisions were implemented through operations that were cleared and settled via the financial infrastructure. The second section of this report, following the introduction, offers an analysis of how the various financial infrastructures in Colombia have evolved and per¬formed. One of the highlights is the large-value payment system (CUD), which registered more momentum in 2020 than during the previous year, mainly be¬cause of an increase in average daily remunerated deposits made with Banco de la República by the General Directorate of Public Credit and the National Treasury (DGCPTN), as well as more activity in the sell/buy-back market with sovereign debt. Consequently, with more activity in the CUD, the Central Securi¬ties Depository (DCV) experienced an added impetus sparked by an increase in the money market for bonds and securities placed on the primary market by the national government. The value of operations cleared and settled through the Colombian Central Counterparty (CRCC) continues to grow, propelled largely by peso/dollar non-deliverable forward (NDF) contracts. With respect to the CRCC, it is important to note this clearing house has been in charge of managing risks and clearing and settling operations in the peso/dollar spot market since the end of last year, following its merger with the Foreign Exchange Clearing House of Colombia (CCDC). Since the final quarter of 2020, the CRCC has also been re¬sponsible for clearing and settlement in the equities market, which was former¬ly done by the Colombian Stock Exchange (BVC). The third section of this report provides an all-inclusive view of payments in the market for goods and services; namely, transactions carried out by members of the public and non-financial institutions. During the pandemic, inter- and intra-bank electronic funds transfers, which originate mostly with companies, increased in both the number and value of transactions with respect to 2019. However, debit and credit card payments, which are made largely by private citizens, declined compared to 2019. The incidence of payment by check contin¬ue to drop, exhibiting quite a pronounced downward trend during the past last year. To supplement to the information on electronic funds transfers, section three includes a segment (Box 4) characterizing the population with savings and checking accounts, based on data from a survey by Banco de la República con-cerning the perception of the use of payment instruments in 2019. There also is segment (Box 2) on the growth in transactions with a mobile wallet provided by a company specialized in electronic deposits and payments (Sedpe). It shows the number of users and the value of their transactions have increased since the wallet was introduced in late 2017, particularly during the pandemic. In addition, there is a diagnosis of the effects of the pandemic on the payment patterns of the population, based on data related to the use of cash in circu¬lation, payments with electronic instruments, and consumption and consumer confidence. The conclusion is that the collapse in the consumer confidence in¬dex and the drop in private consumption led to changes in the public’s pay¬ment patterns. Credit and debit card purchases were down, while payments for goods and services through electronic funds transfers increased. These findings, coupled with the considerable increase in cash in circulation, might indicate a possible precautionary cash hoarding by individuals and more use of cash as a payment instrument. There is also a segment (in Focus 3) on the major changes introduced in regulations on the retail-value payment system in Colombia, as provided for in Decree 1692 of December 2020. The fourth section of this report refers to the important innovations and tech¬nological changes that have occurred in the retail-value payment system. Four themes are highlighted in this respect. The first is a key point in building the financial infrastructure for instant payments. It involves of the design and im¬plementation of overlay schemes, a technological development that allows the various participants in the payment chain to communicate openly. The result is a high degree of interoperability among the different payment service providers. The second topic explores developments in the international debate on central bank digital currency (CBDC). The purpose is to understand how it could impact the retail-value payment system and the use of cash if it were to be issued. The third topic is related to new forms of payment initiation, such as QR codes, bio¬metrics or near field communication (NFC) technology. These seemingly small changes can have a major impact on the user’s experience with the retail-value payment system. The fourth theme is the growth in payments via mobile tele¬phone and the internet. The report ends in section five with a review of two papers on applied research done at Banco de la República in 2020. The first analyzes the extent of the CRCC’s capital, acknowledging the relevant role this infrastructure has acquired in pro¬viding clearing and settlement services for various financial markets in Colom¬bia. The capital requirements defined for central counterparties in some jurisdic¬tions are explored, and the risks to be hedged are identified from the standpoint of the service these type of institutions offer to the market and those associated with their corporate activity. The CRCC’s capital levels are analyzed in light of what has been observed in the European Union’s regulations, and the conclusion is that the CRCC has a scheme of security rings very similar to those applied internationally and the extent of its capital exceeds what is stipulated in Colombian regulations, being sufficient to hedge other risks. The second study presents an algorithm used to identify and quantify the liquidity sources that CUD’s participants use under normal conditions to meet their daily obligations in the local financial market. This algorithm can be used as a tool to monitor intraday liquidity. Leonardo Villar Gómez Governor

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