Littérature scientifique sur le sujet « DCT TECHNIQUE »
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Articles de revues sur le sujet "DCT TECHNIQUE"
Behl, Nipun, et Shivangi Katiyar. « Diagonally Assisted DCT Technique for Face Recognition : DA-DCT ». International Journal of Computer Applications 141, no 11 (17 mai 2016) : 11–15. http://dx.doi.org/10.5120/ijca2016909848.
Texte intégralBaithoon, Nushwan Yousif. « Zeros Removal with DCT Image Compression Technique ». Journal of Kufa for Mathematics and Computer 1, no 3 (30 mai 2011) : 38–46. http://dx.doi.org/10.31642/jokmc/2018/010305.
Texte intégralBansal, Deepika, et Rita Chhikara. « An Improved DCT based Steganography Technique ». International Journal of Computer Applications 102, no 14 (18 septembre 2014) : 46–49. http://dx.doi.org/10.5120/17887-8861.
Texte intégralsaid, Shaimaa A. El. « Efficient DCT-based image compression technique ». International Journal of Signal and Imaging Systems Engineering 6, no 4 (2013) : 259. http://dx.doi.org/10.1504/ijsise.2013.056637.
Texte intégralSaraiva, Aratã Andrade, Felipe Castro, Marcos Soares de Oliveira et José Vigno Moura Sousa. « Identification of exonic regions in dna sequences an approach using cross-correlation and noise suppression by discrete cosine transform ». Research, Society and Development 9, no 9 (11 septembre 2020) : e883998173. http://dx.doi.org/10.33448/rsd-v9i9.8173.
Texte intégralRENDRAGRAHA, RENDY DWI, GELAR BUDIMAN et IRMA SAFITRI. « QIM - Based Audio Watermarking with Combination Technique of DCT-QR-CPT ». ELKOMIKA : Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & ; Teknik Elektronika 7, no 1 (24 janvier 2019) : 112. http://dx.doi.org/10.26760/elkomika.v7i1.112.
Texte intégralKaur, Randeep, et Kamaljit Kaur Dhillon. « GRAYSCALE IMAGE WATERMARK DETECTION ». INTERNATIONAL JOURNAL OF COMPUTERS & ; TECHNOLOGY 3, no 1 (1 août 2012) : 100–105. http://dx.doi.org/10.24297/ijct.v3i1b.2748.
Texte intégralKong, Hui Fang, et Yu Ning Qiu. « Analysis of the Solenoid Driving Technique for DCT ». Advanced Materials Research 466-467 (février 2012) : 1162–66. http://dx.doi.org/10.4028/www.scientific.net/amr.466-467.1162.
Texte intégralGupta, Mukta, Prem Shanker Yadav et Anubhav Bewerwal. « Blue Channel Replacement Technique for DCT-Compressed Image ». International Journal of Applied Information Systems 4, no 10 (15 décembre 2012) : 20–23. http://dx.doi.org/10.5120/ijais12-450796.
Texte intégralPal, Suryakanta, Sudhakar Sahoo et Birendra Kumar Nayak. « Deterministic Computing Techniques for Perfect Density Classification ». International Journal of Bifurcation and Chaos 29, no 05 (mai 2019) : 1950064. http://dx.doi.org/10.1142/s0218127419500640.
Texte intégralThèses sur le sujet "DCT TECHNIQUE"
Guezzi, Messaoud Fadoua. « Analyse de l'apport des technologies d'intégration tri-dimensionnelles pour les imageurs CMOS : application aux imageurs à grande dynamique ». Thesis, Paris Est, 2014. http://www.theses.fr/2014PEST1022/document.
Texte intégralWith the increase of systems complexity, integrating different technologies together has become a major challenge. Another challenge has traditionally been the limitation on the throughout between different part of the system coming from the interconnections. If traditional two dimensional integration solutions like System In a Package (SIP) bring heterogonous technologies together there is still limitations coming from the restricted number and lengths of interconnections between the different system components. Three Dimensional stacking (3D), by exploiting short vertical interconnections between different circuits of mixed technologies, has the potential to overcome these limitations. Still, despite strong interests for the 3D concepts, there is no advanced analysis of 3D integration benefits, especially in the field of imagers and smart image sensors. This thesis study the potential benefits of 3D integration, with local processing and short feedback loops, for the realisation of a High Dynamic Range (HDR) image sensor. The dense vertical interconnections are used to locally adapt the integration time by group of pixels, called macro-pixels, while keeping a classic pixel architecture and hence a high fill factor. Stacking the pixel section and circuit section enables a compact pixel and the integration of flexible and versatile functions. High Dynamic Range values producing an important quantity of data, the choice has been made to implement data compression to reduce the circuit throughout. A first level of compression is produced by coding the pixel value using a floating format with a common exponent shared among the macro-pixel. A second level of compression is proposed based on a simplified version of the Discrete Cosine Transform (DCT). Using this two level scheme, a compression of 93% can be obtained with a typical PSNR of 30 dB. A validation of the architecture was carried out by the development; fabrication and test of a prototype on a 2D, 180 nm, CMOS technology. A few pixels of each macro-pixel had to be sacrificed to implement the high dynamic range control signals and emulate the 3D integration. The test results are very promising proving the benefits that will bring the 3D integration in term of power consumption and image quality compared to a classic 2D integration. Future realisations of this architecture, done using a real 3D technology, separating sensing and processing on different circuits communicating by vertical interconnection will not need the sacrifice of any pixel to adjust the integration time, improving power consumption, image quality and latency
Louis-sidney, Ludovic. « Modèles et outils de capitalisation des connaissances en conception : contribution au management et à l'ingénierie des connaissances chez Renault - DCT ». Phd thesis, Ecole Centrale Paris, 2011. http://tel.archives-ouvertes.fr/tel-00659298.
Texte intégralEkström, Alexander Gösta. « Developing dynamic combinatorial chemistry as a platform for drug discovery ». Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31073.
Texte intégralAimer, Younes. « Étude des performances d'un système de communication sans fil à haut débit ». Thesis, Poitiers, 2019. http://www.theses.fr/2019POIT2269.
Texte intégralThe request of the users in terms of rate, coverage and quality of service is growing exponentially, with increasing demand for electrical energy, to ensure networks link. In this context, new waveforms based on the OFDM modulation become widely popular and used intensively in recent radio communications architectures. However, these signals are sensitive to the power amplifier nonlinearities because of their high envelope fluctuations characterized by a high PAPR, which degrades the energy consumption and the transmitter efficiency.In this thesis, we first began by a state art of the PAPR reduction techniques. This presentation allowed us to propose a new method based on interleaving and coding techniques. The first contribution consists on the use of the interleaving technique using null-subcarriers for the transmission of the side information, while respecting the frequency specifications of the used standard. The second one is based on the conjunction of the Shaping technique and the Discrete Cosine Transform (DCT), with the aim of improving the performance of the system. Simulation results show that the use of these two techniques allows a significant gain in terms of PAPR reduction, which results in the improvement of the system efficiency. Finally, we presented an experimental study of the proposed techniques using an RF test bench with a commercial LDMOS 20 W PA, class AB operating at 3.7 GHz. The results obtained for the IEEE 802.11 standards show that the proposed approaches allow the transmission robustness and quality, while optimizing the power consumption
Edirisuriya, Amila. « Digital Hardware Architectures for Exact and Approximate DCT Computation Using Number Theoretic Techniques ». University of Akron / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=akron1363233037.
Texte intégralMuradagha, Rafea. « A modified DFT technique for linear phase measurement ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0005/MQ45336.pdf.
Texte intégralGregušová, Michaela. « Modifikace techniky difúzních gelů (DGT) pro charakterizaci přírodních systémů ». Doctoral thesis, Vysoké učení technické v Brně. Fakulta chemická, 2010. http://www.nusl.cz/ntk/nusl-233319.
Texte intégralRio, Jérémy. « Modélisation à l'échelle atomique de Cycloparaphénylènes avec les techniques ab initio ». Thesis, Nantes, 2017. http://www.theses.fr/2017NANT4078/document.
Texte intégralThe work in this thesis concerns the study at the atomic scale of Cycloparaphenylene ([n]CPP) molecules and their complexes and derivatives, using ab initio modeling methods (DFT/LDA). I initially look at the stability of these molecular rings when functionalized by halogens, and the structural changes induced. The important notion of curvature energy is raised to find new synthesis routes. The encapsulation of C60 fullerene inside [10]CPPs is a very important part of this work and more particularly the interaction between the azafullerene dimer (C59N)2 and two [10]CPPs. This allowed us to look at supramolecular interactions and the alignment of two [10]CPPs on this dimer both theoretically and experimentally, through collaboration with research teams in Germany and Greece. The possibility of templated alignment of [10]CPPs leads to a study on the functionalization of these molecules with the aim of connecting them together with various connectors, for example with aromatic species, polymers or metals to form a new family of pseudo-nanotubes composed of multiply inter-linked [10]CPPs. Depending on the connections used, the conduction properties of the 'pseudo-nanotubes' can vary from wide-gap semiconductors to metallic structures. I also show in this manuscript, that [n]CPPs and carbon nanotubes can interact to form structures where the ring is encapsulated inside or around the carbon nanotube. In this context, the study of the rotation of cycloparaphenylene demonstrate a very low frictional force and thus predict ultra-rapid CPP rotation
Dale, Brian M. « Optimal Design of MR Image Acquisition Techniques ». Case Western Reserve University School of Graduate Studies / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=case1081556784.
Texte intégralAlrasheed, Waleed. « Time and Space Efficient Techniques for Facial Recognition ». Doctoral diss., University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/6238.
Texte intégralPh.D.
Doctorate
Electrical Engineering and Computer Science
Engineering and Computer Science
Electrical Engineering
Livres sur le sujet "DCT TECHNIQUE"
Merhav, Neri. Fast inverse motion compensation algorithms for MPEG-2 and for partial DCT information. Palo Alto, CA : Hewlett-Packard Laboratories, Technical Publications Department, 1996.
Trouver le texte intégralWang, Francis C. Digital circuit testing : A guide to DFT and other techniques. San Diego : Academic Press, 1991.
Trouver le texte intégral(Denmark), Etiske råd, et Københavns universitet, dir. Indlæg fra konferencen : Mennesker og genteknologi i det nye årtusinde : hvordan får vi gen-etik til tiden ? : arrangeret af Det Etiske Råd og Københavns Universitet, 9. november 1999. København : Det Etiske råd, 2000.
Trouver le texte intégralSánchez Salcedo, Alejandro. Theory on DC Electric Circuits. Bogotá. Colombia : Universidad de La Salle. Ediciones Unisalle, 2016. http://dx.doi.org/10.19052/9789588939933.
Texte intégralLantbruksuniversitet, Sveriges, dir. Direct current plasma(DCP)-atomic emission spectrometry : Development of technique and applications to biological materials. Uppsala : Sveriges Lantbruksuniversitet, 1996.
Trouver le texte intégralMathematics of the discrete Fourier transform (DFT) : With music and audio applicaitons. [S.l.] : W3K Pub., 2003.
Trouver le texte intégralFriedl, Jeffrey E. F. Mastering Regular Expressions : Powerful techniques for Perl and other tools. Sous la direction de Andy Oram. Cambridge : O'Reilly, 1998.
Trouver le texte intégralFriedl, Jeffrey E. F. Mastering Regular Expressions : Powerful techniques for Perl and other tools. Cambridge : O'Reilly, 1997.
Trouver le texte intégralJan, Maes, et Vercammen Marc, dir. Digital audio technology : A guide to CD, MiniDisc, SACD, DVD(A), MP3 and DAT. 4e éd. Oxford : Focal, 2001.
Trouver le texte intégralBetshammar, Erik. Men i allt det diffusa, får vi ändå ett säkert grepp om omgivningens karaktär = However, despite the haze you can still get a concrete feeling for the surroundings. Lund, Sweden : Null & Void Publishers, 2019.
Trouver le texte intégralChapitres de livres sur le sujet "DCT TECHNIQUE"
Ghosal, Nabin, Anirban Goswami, Jyotsna Kumar Mondal et Dipankar Pal. « Image Authentication Technique Based on DCT (IATDCT) ». Dans Advances in Intelligent Systems and Computing, 863–71. Berlin, Heidelberg : Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-30111-7_83.
Texte intégralSuhail, M. A., A. H. Siddiqi et S. Ipson. « A New Fast DCT Based Digital Watermarking Technique ». Dans Applied Optimization, 117–28. Boston, MA : Springer US, 2002. http://dx.doi.org/10.1007/978-1-4613-0263-6_6.
Texte intégralKhelalef, Aziz, Fakhreddine Ababsa et Nabil Benoudjit. « A Simple Human Activity Recognition Technique Using DCT ». Dans Advanced Concepts for Intelligent Vision Systems, 37–46. Cham : Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48680-2_4.
Texte intégralDhaked, Devender Kumar. « Combined DCT-DWT Color Image Digital Watermarking Technique ». Dans Studies in Autonomic, Data-driven and Industrial Computing, 169–77. Singapore : Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-3915-9_13.
Texte intégralShekar, B. H., et R. K. Bharathi. « DCT-SVM-Based Technique for Off-line Signature Verification ». Dans Lecture Notes in Electrical Engineering, 843–53. New Delhi : Springer India, 2013. http://dx.doi.org/10.1007/978-81-322-1157-0_85.
Texte intégralSchulze, Christian, Marco Schreyer, Armin Stahl et Thomas Breuel. « Using DCT Features for Printing Technique and Copy Detection ». Dans Advances in Digital Forensics V, 95–106. Berlin, Heidelberg : Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-04155-6_7.
Texte intégralKhare, Priyank, et Vinay Kumar Srivastava. « An Efficient Image Watermarking Technique Based on IWT-DCT-SVD ». Dans Lecture Notes in Electrical Engineering, 841–49. Singapore : Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9775-3_76.
Texte intégralGupta, Megha, et R. Rama Kishore. « Secured Blind Image Watermarking Using Entropy Technique in DCT Domain ». Dans Proceedings of Second Doctoral Symposium on Computational Intelligence, 31–47. Singapore : Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-3346-1_3.
Texte intégralKhare, Priyank, et Vinay Kumar Srivastava. « HT-IWT-DCT-Based Hybrid Technique of Robust Image Watermarking ». Dans Lecture Notes in Electrical Engineering, 359–70. Singapore : Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6840-4_28.
Texte intégralJoshi, Amit M., Shubham Gupta, Mohit Girdhar, Pranshu Agarwal et Ranabir Sarker. « Combined DWT–DCT-Based Video Watermarking Algorithm Using Arnold Transform Technique ». Dans Proceedings of the International Conference on Data Engineering and Communication Technology, 455–63. Singapore : Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-1675-2_45.
Texte intégralActes de conférences sur le sujet "DCT TECHNIQUE"
Gangadhar, Deeksha Bekal, et A. G. Ananth. « Satellite Image Compression Using DCT Technique ». Dans 2018 Third International Conference on Electrical, Electronics, Communication, Computer Technologies and Optimization Techniques (ICEECCOT). IEEE, 2018. http://dx.doi.org/10.1109/iceeccot43722.2018.9001533.
Texte intégralDu, Yao-gang, Yan-Shuo Zhang et Wang Li-Feng. « DCT-Based Video Watermarking Transcoding Technique ». Dans 2007 International Conference on Computational Intelligence and Security Workshops (CISW 2007). IEEE, 2007. http://dx.doi.org/10.1109/cisw.2007.4425579.
Texte intégralAl-Gindy, Ahmed, Amaia Mendez Zorrilla et Bassam Beyrouti. « DCT Watermarking Technique Using Image Normalization ». Dans 2015 International Conference on Developments of E-Systems Engineering (DeSE). IEEE, 2015. http://dx.doi.org/10.1109/dese.2015.27.
Texte intégralAgrwal, Shubh Lakshmi, Anita Yadav, Umesh Kumar et Sandeep Kumar Gupta. « Improved invisible watermarking technique using IWT-DCT ». Dans 2016 5th International Conference on Reliability, Infocom Technologies and Optimization (Trends and Future Directions) (ICRITO). IEEE, 2016. http://dx.doi.org/10.1109/icrito.2016.7784966.
Texte intégralBhojani, Dhaval R., et Ved Vyas Dwivedi. « Innovative video compression technique using DWT-DCT ». Dans 2012 1st International Conference on Emerging Technology Trends in Electronics, Communication and Networking (ET2ECN). IEEE, 2012. http://dx.doi.org/10.1109/et2ecn.2012.6470097.
Texte intégralPhadatare, Pallavi, et Pratibha Chavan. « Implementation of DCT and Fractal Compression Technique ». Dans 2021 5th International Conference on Electronics, Communication and Aerospace Technology (ICECA). IEEE, 2021. http://dx.doi.org/10.1109/iceca52323.2021.9675895.
Texte intégralGoswami, Anirban, Dipankar Pal et Nabin Ghoshal. « Authentication technique for gray images using DCT (ATGIDCT) ». Dans 2012 Third International Conference on Emerging Applications of Information Technology (EAIT). IEEE, 2012. http://dx.doi.org/10.1109/eait.2012.6407989.
Texte intégralAgrwal, Shubh Lakshmi, Meeta Sharma, Deeksha Kumari et Sandeep Kumar Gupta. « Improved image compression technique using IWT-DCT transformation ». Dans 2016 2nd International Conference on Next Generation Computing Technologies (NGCT). IEEE, 2016. http://dx.doi.org/10.1109/ngct.2016.7877499.
Texte intégralAl Baloshi, Mohamed, et Mohammed E. Al-Mualla. « A DCT-Based Watermarking Technique for Image Authentication ». Dans 2007 IEEE/ACS International Conference on Computer Systems and Applications. IEEE, 2007. http://dx.doi.org/10.1109/aiccsa.2007.370717.
Texte intégralKafri, Nedal M. S., et Hani Y. Suleiman. « Bit-4 of frequency domain-DCT steganography technique ». Dans 2009 First International Conference on Networked Digital Technologies (NDT). IEEE, 2009. http://dx.doi.org/10.1109/ndt.2009.5272108.
Texte intégralRapports d'organisations sur le sujet "DCT TECHNIQUE"
Bruce. L51642 Field Nondestructive Examination of ERW Pipe Seams. Chantilly, Virginia : Pipeline Research Council International, Inc. (PRCI), juin 1991. http://dx.doi.org/10.55274/r0010587.
Texte intégralDunford, Todd, et Shayan Haque. PR-392-113701-R01 Improved Crack Depth Measurement Techniques. Chantilly, Virginia : Pipeline Research Council International, Inc. (PRCI), décembre 2018. http://dx.doi.org/10.55274/r0011541.
Texte intégralJordan, Mary S., et Philip A. Durkee. Verification and Validation of the Satellite Marine-Layer/Elevated Duct Height (SMDH) Technique. Fort Belvoir, VA : Defense Technical Information Center, décembre 2000. http://dx.doi.org/10.21236/ada390416.
Texte intégralTruong, C. H., E. J. Simburger, R. C. Lacoe, J. C. Ross et S. Brown. Radiation Effects on a Small DC-DC Converter and a Remedy by Circuit Design Technique. Fort Belvoir, VA : Defense Technical Information Center, mai 2002. http://dx.doi.org/10.21236/ada403299.
Texte intégralvan der Heijden, Joost. Optimizing electron temperature in quantum dot devices. QDevil ApS, mars 2021. http://dx.doi.org/10.53109/ypdh3824.
Texte intégralLawson, K. M., et N. G. Thompson. PR-186-9412-R01 Cathodic Protection in DC Stray Current Areas. Chantilly, Virginia : Pipeline Research Council International, Inc. (PRCI), décembre 1999. http://dx.doi.org/10.55274/r0011920.
Texte intégralKiefner. L51606 Technique Development for Polarized Pipe-to-Soil Potential Measurements. Chantilly, Virginia : Pipeline Research Council International, Inc. (PRCI), décembre 1989. http://dx.doi.org/10.55274/r0010103.
Texte intégralKiefner. L52274 Survey and Interpretive Review of Operator Practices for Damage Prevention. Chantilly, Virginia : Pipeline Research Council International, Inc. (PRCI), avril 2007. http://dx.doi.org/10.55274/r0010387.
Texte intégralGroeneveld. L41039 Locating Coating Defects and Interpreting Cathodic Protection Effectiveness. Chantilly, Virginia : Pipeline Research Council International, Inc. (PRCI), décembre 1996. http://dx.doi.org/10.55274/r0011227.
Texte intégralJozewicz, Wojciech, et G. T. Rochelle. Theoretical approach for enhanced mass transfer effects in duct flue gas desulfurization processes. Topical report for Task 4, Novel techniques. Office of Scientific and Technical Information (OSTI), septembre 1991. http://dx.doi.org/10.2172/10125937.
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