Journal articles: 'Hue'

1

Beattie, L. L., and A. Logvinenko. "Hue scaling without hue naming." Journal of Vision 6, no. 6 (March 18, 2010): 243. http://dx.doi.org/10.1167/6.6.243.

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Huang, Shih-Miao. "A Study of Hue Identification in the Hue Circle of the Hsb Color Space." Perceptual and Motor Skills 100, no. 3_suppl (June 2005): 1143–54. http://dx.doi.org/10.2466/pms.100.3c.1143-1154.

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The purpose of the present research was to explore the relationship between the sensory difference in hues in the hue circle of the HSB color space and their included angles in identification tasks. In the experiment, the two colors were presented separately, and the test subjects judged whether the two colors were the same or different. Five hues, called Standard Stimulus Hues and the most saturated colors in the hue circle of the HSB color space, were discussed. These are hue 0°, hue 72°, hue 216°, and hue 288° in the HSB color space. The Just Identifiable Angle refers to the included angle between a specific standard hue and the hue which cannot be identified separately and which is the furthest from the standard hue in the hue circle of the HSB color space. Analysis gave a significant main effect of standard hue. The Just Identifiable Angles for hue 72° and hue 288° did not differ significantly, but their Just Identifiable Angles were discernibly lower than those for the other three hues. The Just Identifiable Angle of hue 144° was significantly lower than those for hue 0° and hue 216°. In addition, the Just Identifiable Angle for hue 0° was noticeably larger than the one for hue 216°, so the final outcome might show that the Just Identifiable angles of the standard hues are not equal.

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Ma, Long, Ling-Xuan Tang, Rui-Jie Qian, Xin Pei, and Ben-Yuan Sun. "Hue-indexing-based absolute phase retrieval method using a discrete hue sequence." Applied Optics 61, no. 24 (August 11, 2022): 6953. http://dx.doi.org/10.1364/ao.459675.

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To achieve an effective phase unwrapping for hue-based fringe projection profilometry, this paper proposes a hue-indexing-based absolute phase retrieval method using a discrete hue sequence. First, the hue component is extracted as the wrapped phase for 3D reconstruction by projecting a programmed hue fringe pattern. Afterward, a hue-indexing sequence with a random combination of six unique hues from the hue map is designed for hue unwrapping. By assigning a hue index of the fringe geometric center, the defocusing effect in the hue unwrapping is corrected, where the fringe order of the wrapped hue is then uniquely identified. The simulations show that the root mean square (RMS) of the residual error is 2.2185 × 10 − 4 r a d , and the effectiveness of the proposed method is further verified through experiments using a plaster statue and a compressor blade. The measurement comparison of the proposed method and the coordinate measuring machine is provided, where the RMS error of the measured deviation is 4.09 × 10 − 2 m m .

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Stricker, Meredith. "Hue ] Awe." Iowa Review 43, no. 3 (December 2013): 58. http://dx.doi.org/10.17077/0021-065x.7292.

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Tokunaga, Rumi, and Alexander D. Logvinenko. "Hue manifold." Journal of the Optical Society of America A 27, no. 12 (November 5, 2010): 2551. http://dx.doi.org/10.1364/josaa.27.002551.

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Tokunaga, R., and A. Logvinenko. "Hue torus." Journal of Vision 10, no. 7 (August 6, 2010): 448. http://dx.doi.org/10.1167/10.7.448.

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VED PRAKASH, J. S. MISHRA, RAKESH KUMAR, RAVIKANT KUMAR, S. KUMAR, S. K. DWIVEDI, K. K. RAO, and B. P. BHATT. "Thermal utilization and heat use efficiency of sorghum cultivars in middle Indo- Gangetic Plains." Journal of Agrometeorology 19, no. 1 (March 1, 2017): 29–33. http://dx.doi.org/10.54386/jam.v19i1.751.

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A field experiment was carried out during the summer seasons of 2015 and 2016 in clay loamy soil of ICAR Research Complex for Eastern Region, Patna to study the phenology, accumulation of growing degree days (GDD), heliothermal units (HTU), heat use efficiency (HUE), heliothermal use efficiency (HTUE) and performance of five sorghum cultivars including 3 hybrids (CSH 13 ,CSH16 andCSH 30) and 2 varieties (CSV 23 and SPV 462) were grown under two sowing dates viz.16th February and 3rd March in split-plot design. For our study purpose and as per package of practices, February 16 is considered as early sowing and March 3 as timely sowing condition. It was observed that GDDs and HTU reduced significantly by 45.9 oC days and 663.6 oC days hr respectively, in early sowing. The sorghum cultivars SPV 462 and CSH 13 accumulated markedly higher GDDs and HTUs. On mean basis, cv. CSH 16 produced significantly higher grain yield (5.51 tha-1) followed by CSH 13 (4.93 t ha-1). The significant reduction in grain yield was recorded in earlier sowing date than the timely sown crop. The phenothermal index gradually increases from emergence to maturity in all the tested cultivars irrespective of sowing date. Sorghum hybrid CSH 16 showed better performance in terms of HUE and HTUE followed by CSH 13 and SPV 462. Varieties giving higher yield, HUE and HTUE are identified under the varying growing environments, so as to suggest the appropriate sowing time of sorghum cultivars in middle the middle Indo-Gangetic Plains.

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Zhao, Yan, and Shuai Liu. "Robust Image Hashing Based on Cool and Warm Hue and Space Angle." Security and Communication Networks 2021 (July 19, 2021): 1–13. http://dx.doi.org/10.1155/2021/3803481.

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Image hashing has attracted more and more attention in the field of information security. In this paper, a novel hashing algorithm using cool and warm hue information and three-dimensional space angle is proposed. Firstly, the original image is preprocessed to get the opposite color component and the hue component H in HSV color space. Then, the distribution of cool and warm hue pixels is extracted from hue component H. Blocks the hue component H, according to the proportion of warm hue and cool hue pixels in each small block, combined with the quaternion and opposite color component, constructed the cool and warm hue opposite color quaternion (CWOCQ) feature. Then, three-dimensional space, opposite color, and cool and warm hue are combined to obtain the three-dimensional space angle (TDSA) feature. The CWOCQ feature and the TDSA feature are connected and disturbed to obtain the final hash sequence. Experimental results show that the proposed algorithm has good security and has better image classification performance and shorter computation time compared with some advanced algorithms.

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9

Lim, Heejin, Yi Wang, Youping Xiao, Ming Hu, and Daniel J. Felleman. "Organization of Hue Selectivity in Macaque V2 Thin Stripes." Journal of Neurophysiology 102, no. 5 (November 2009): 2603–15. http://dx.doi.org/10.1152/jn.91255.2008.

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V2 has long been recognized to contain functionally distinguishable compartments that are correlated with the stripelike pattern of cytochrome oxidase activity. Early electrophysiological studies suggested that color, direction/disparity, and orientation selectivity were largely segregated in the thin, thick, and interstripes, respectively. Subsequent studies revealed a greater degree of homogeneity in the distribution of response properties across stripes, yet color-selective cells were still found to be most prevalent in the thin stripes. Optical recording studies have demonstrated that thin stripes contain both color-preferring and luminance-preferring modules. These thin stripe color-preferring modules contain spatially organized hue maps, whereas the luminance-preferring modules contain spatially organized luminance-change maps. In this study, the neuronal basis of these hue maps was determined by characterizing the selectivity of neurons for isoluminant hues in multiple penetrations within previously characterized V2 thin stripe hue maps. The results indicate that neurons within the superficial layers of V2 thin stripe hue maps are organized into columns whose aggregated hue selectivity is closely related to the hue selectivity of the optically defined hue maps. These data suggest that thin stripes contain hue maps not simply because of their moderate percentage of hue-selective neurons, but because of the columnar and tangential organization of hue selectivity.

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Đạt, Thích Nguyên. "GIÁO DỤC PHẬT GIÁO VỚI TRỤC HUẾ – HÀ NỘI – SÀI GÒN." Hue University Journal of Science: Social Sciences and Humanities 129, no. 6E (October 26, 2020): 17–24. http://dx.doi.org/10.26459/hueunijssh.v129i6e.6054.

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Buddhism and Vietnamese Buddhist culture, a part of national culture and Buddhist culture, are associated with Buddhist education and simultaneously attached to each region. The article presents the movement and formation of Buddhist education along the Hue – Hanoi – Saigon axis over time, creating unique Buddhist cultural features for each region. The author focuses on four main movement lines that make up Vietnamese Buddhist education in general and Hue Buddhist education in particular, including (1) Convergent movement: South → Hue ← North; (2) Parallel movement: Saigon → Hue → Hanoi; (3) Unilateral movement: Hue → Saigon; (4) Multidimensional movement: Saigon ↔ Hue ↔ Hanoi. In this movement, and as the geographic, political, and cultural center of the country for a long time, Hue received, filtered, and absorbed Buddhist culture from other regions to form a distinctive feature of Hue Buddhism and establish the Zen Lieu Quan school next to the Truc Lam Zen school by Buddha–King Tran Nhan Tong in the North.

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11

Dakin, M., V. Volbrecht, and J. Nerger. "Bezold-Brucke hue shifts derived from hue-naming functions." Journal of Vision 5, no. 12 (December 1, 2005): 56. http://dx.doi.org/10.1167/5.12.56.

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THOMAS, LAURA P., and STEVEN L. BUCK. "Generality of rod hue biases with smaller, brighter, and photopically specified stimuli." Visual Neuroscience 21, no. 3 (May 2004): 257–62. http://dx.doi.org/10.1017/s0952523804213153.

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This study tests the generality of previously demonstrated rod hue biases (red and blue biases at shorter wavelengths and a green bias at longer wavelengths) that cause the loci of the three spectral unique hues to shift to longer wavelengths. We found rod hue biases for 2-deg targets to be generally similar in magnitude and light-level dependence to those observed for 7.4-deg targets (the size most often studied) when measured at 7-deg eccentricity. The largest effects for both test sizes occurred at the lowest light levels tested, 1 log scotopic troland. All three rod hue biases were found with 0.6-deg targets, but were not reliably measurable at the lowest light levels and were reduced in magnitude and consistency across observers. The largest rod hue biases all occurred at the same scotopic light level, which corresponds to different photopic light levels for the three hue biases, because of differences in photopic and scotopic spectral sensitivity. This suggests that no single photopic light level will produce such large effects for all three rod hue biases. Finally, when the rod influence on a specific unique-hue locus was measured using photopically (rather than scotopically) constant stimuli, rod hue biases were still found but were more variable in magnitude and incidence across observers. We conclude that the rod hue biases we have previously described can be found with smaller stimuli, at somewhat higher light levels, and under photopically constant conditions, although our prior conditions tend to produce larger, more reliable rod hue biases.

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13

Steele, Kenneth M., Mary Ellen Dello Stritto, and Willard L. Brigner. "Changes in Perceived Color with Intermittent Illumination." Perceptual and Motor Skills 85, no. 2 (October 1997): 759–65. http://dx.doi.org/10.2466/pms.1997.85.2.759.

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Using 24 observers with normal color vision, perceived shifts in hue were determined for a yellow-red, green, and blue-green at intermittencies of 5, 10, and 20 cps. The hue shift for yellow-red was consistent with the hue shift exhibited by a deuteranomalous observer while the hue shift for green and blue-green was consistent with that exhibited by a protanomalous observer.

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14

Zucchi, Hélène, Hervé Pageon, Daniel Asselineau, Marion Ghibaudo, Inês Sequeira, and Sarah Girardeau-Hubert. "Assessing the Role of Carbonyl Adducts, Particularly Malondialdehyde Adducts, in the Development of Dermis Yellowing Occurring during Skin Photoaging." Life 12, no. 3 (March 10, 2022): 403. http://dx.doi.org/10.3390/life12030403.

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Solar elastosis is associated with a diffuse yellow hue of the skin. Photoaging is related to lipid peroxidation leading to the formation of carbonyl groups. Protein carbonylation can occur by addition of reactive aldehydes, such as malondialdehyde (MDA), 4-hydroxy-nonenal (4-HNE), and acrolein. All the proteins concerned with this modification, and the biological consequences of adduct formation, are not completely identified. The link between yellowish skin and dermal carbonylated proteins induced by aldehyde adducts was investigated. The study was carried out on ex vivo skin samples from sun-exposed or sun-protected areas and on in vitro dermal equivalent models incubated with 5 mM MDA, 4-HNE, or acrolein. The yellow color and the level of MDA, 4-HNE, and acrolein adducts were evaluated. Yellowish color differences were detected in the dermis of sun-exposed skin compared to sun-protected skin and in in vitro models following addition of MDA, 4-HNE, or acrolein. The yellowing was correlated with the carbonyl adducts increasing in the dermis and in in vitro models incubated with aldehydes. The stronger yellowing seemed to be mediated more by MDA than 4-HNE and acrolein. These observations suggest that dermal carbonylation especially induced by MDA result in the yellow hue of dermis and is involved, in part, in the yellowing observed during skin photoaging.

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15

Hellwig, Luke, and Mark D. Fairchild. "Using Gaussian Spectra to Derive a Hue-linear Color Space." Journal of Perceptual Imaging 3, no. 2 (March 1, 2020): 20401–1. http://dx.doi.org/10.2352/j.percept.imaging.2020.3.2.020401.

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Abstract A new color space, IGPGTG, was developed. IGPGTG uses the same structure as IPT, an established hue-uniform color space utilized in gamut mapping applications. While IPT was fit to visual data on the perceived hue, IGPGTG was optimized based on evidence linking the peak wavelength of Gaussian-shaped light spectra to their perceived hues. The performance of IGPGTG on perceived hue data was compared to the performance of other established color spaces. Additionally, an experiment was run to directly compare the hue linearity of IGPGTG with those of other color spaces by using Case V of Thurstone’s law of comparative judgment to generate hue-linearity scales. IGPGTG performed well in this experiment but poorly on extant visual data. The mixed results indicate that it is possible to derive a moderately hue-linear color space without visual data.

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16

Logvinenko, A. D., and L. L. Beattie. "Partial hue-matching." Journal of Vision 11, no. 8 (July 8, 2011): 6. http://dx.doi.org/10.1167/11.8.6.

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Stockman, Andrew, Bruce Henning, Andrew Rider, Peter West, and Caterina Ripamonti. "Hue and slew." Journal of Vision 16, no. 12 (September 1, 2016): 1149. http://dx.doi.org/10.1167/16.12.1149.

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18

Foss, Jeffrey. "Mad about hue." Behavioral and Brain Sciences 20, no. 2 (June 1997): 189. http://dx.doi.org/10.1017/s0140525x97331422.

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Despite the heat of their attack, Saunders & van Brakel do illuminate various shortcomings of color research in the tradition of Berlin & Kay. Berlin and Kay elicit a pan-cultural pattern in color language, but the pattern does not provide much insight into the human mind.

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morton, mark. "Hue and Eye." Gastronomica 11, no. 3 (2011): 6–7. http://dx.doi.org/10.1525/gfc.2011.11.3.6.

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Weigl, Bruce. "Meditation in Hue." Journal of American Culture 16, no. 3 (September 1993): 120. http://dx.doi.org/10.1111/j.1542-734x.1993.120_a.x.

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21

Allen, Michael. "A new hue." New Scientist 252, no. 3365-3366 (December 2021): 75–76. http://dx.doi.org/10.1016/s0262-4079(21)02282-x.

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Pron, A. L., D. Zygmont, P. Bender, and K. Black. "Educating the educators at Hue Medical College, Hue, Viet Nam." International Nursing Review 55, no. 2 (June 2008): 212–18. http://dx.doi.org/10.1111/j.1466-7657.2007.00579.x.

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Kuehni, Rolf. "Unique Hue Stimulus Choice: A Constraint on Hue Category Formation." Journal of Cognition and Culture 5, no. 3-4 (2005): 387–408. http://dx.doi.org/10.1163/156853705774648563.

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AbstractBerlin & Kay hue-related basic color categories are compared with the ISCC-NBS system of object color categorization. Though independently derived, categories of the former form a small subset of the latter. A conjecture is proposed that explains the absence of yellow-green and blue-green basic hue categories and the potential for a violet category as the result of constraints on primitive hue category formation due to considerable variation in stimuli selected by color-normal observers as representing for them unique hues.

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Chamberlin, Julie K. "“Ful Louder”: Raising the Hue and Cry in the Nun’s Priest’s Tale." Chaucer Review 59, no. 1 (January 2024): 62–83. http://dx.doi.org/10.5325/chaucerrev.59.1.0062.

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ABSTRACT In fourteenth-century England, the hue and cry empowered anyone who could make noise with the opportunity to catalyze legal action. This article investigates Chaucer’s deployment of the hue and cry as a narrative device in the Nun’s Priest’s Tale. The legal ritual of the hue and cry appears twice in the tale, once during a story of a murdered pilgrim Chauntecleer recounts and again during the tale’s infamous chase scene. While the first instance depicts the hue and cry as it was intended in lawbooks—a tool of order-keeping that functions to summon the appropriate authorities—the second instance represents the hue and cry in practice: a loud, chaotic legal ritual capable of instigating violence, but which also demands recognition of embodied vulnerability before the law.

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Lubell, Jessica D., and Mark H. Brand. "Flower Color, Color Stability, and Flower Longevity in Red-flowered Elepidote Rhododendrons." HortTechnology 27, no. 5 (October 2017): 607–10. http://dx.doi.org/10.21273/horttech03792-17.

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Red-flowered elepidote rhododendrons (Rhododendron sp.) are favored by consumers, but cold-hardy red-flowered rhododendrons frequently have blue-red flower hue rather than the preferred red flower hue. Flower longevity, color, and color stability over 14 days were studied for the following eight elepidote rhododendron cultivars possessing red flowers: Besse Howells, Burma, Cary’s Red, Firestorm, Francesca, Henry’s Red, Low Red Frilled, and Nova Zembla. The eight cultivars were separated by flower hue into two distinct groups of four cultivars each. Rhododendron cultivars Burma, Firestorm, Francesca, and Henry’s Red produced flowers with red hue and Besse Howells, Cary’s Red, Low Red Frilled, and Nova Zembla produced flowers with blue-red hue. Flower longevity among rhododendron cultivars varied with Francesca blooms lasting the longest at over 14 days, and Besse Howells and Firestorm blooms lasting the shortest at ≈10 days. As flowers aged, hue angle decreased (became bluer), lightness increased, and chroma decreased or remained unchanged. The degree of change in flower color over time differed among cultivars, with ‘Francesca’ demonstrating the least change (ΔE00 ≈ 3) and ‘Besse Howells’ the most change (ΔE00 ≈ 11).

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Roy Choudhury, Asim Kumar, and Biswajit Naskar. "Comparison of visual (MUNSELL) and instrumental measures (CIELAB) of coloured textile standard samples." Research Journal of Textile and Apparel 23, no. 4 (December 2, 2019): 340–54. http://dx.doi.org/10.1108/rjta-08-2018-0050.

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Purpose This paper aims to compare visual (Munsell) and instrumental (CIELAB) attributes of SCOTDIC colour standards. Design/methodology/approach SCOTDIC cotton and polyester standards of defined hue, value and chroma were subjected to spectrophotometric assessment for finding the corresponding instrumental parameters. The visual and instrumental parameters were compared. Findings The correlation between SCOTDIC value and CIELAB lightness is quite high. Correlation coefficient between SCOTDIC hue and CIELAB hue angle and the correlation between SCOTDIC chroma and CIELAB chroma were only moderate because the CIELAB chroma varied widely at higher chroma. When the standards of SCOTDIC hues having erratic hue angles at two extremes are excluded, the Correlation coefficients between SCOTDIC hue and CIELAB hue angle become high. Research limitations/implications The psychophysical data (visual) are difficult to match with physical data (instrumental). Originality/value The object of the present research is to study and compare visual (Munsell) and instrumental (CIELAB) colorimetric parameters. Munsell scale is physically exemplified by SCOTDIC fabric samples available in two sets, namely, cotton and polyester sets.

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Suryantari, Risti, and Flaviana F. "Linearization of Hue Value on The Surface of Thermochromic Liquid Crystal With Variation of Temperature." INDONESIAN JOURNAL OF APPLIED PHYSICS 5, no. 01 (December 16, 2015): 86. http://dx.doi.org/10.13057/ijap.v5i01.268.

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This research has observed a linear relation of hue value on the surface of a Thermochromic Liquid Crystal (TLC), with variation of temperature, based on statistic value of hue image. In this research we use ample of TLC with temperature range 250-300 C and 300-350 C. The original image in RGB format is converted to HSV (hue, saturation, value) and by taking hue without saturation and value, then the hue image is processed using Matlab2013a based on a mathematical morphology with opening and closing for the main process to get better images. The final image of each temperature variation can be distinguished based on the statistic value of each image. The value of max and mean hue increases by increasing temperature for each sample. Both samples tend to have the same linearization based on its mean value.

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Rahmadewi, Reni, Gina Lova Sari, and Hirlan Firmansyah. "Pendeteksian Kematangan Buah Jeruk Dengan Fitur Citra Kulit Buah Menggunakan Transformasi Ruang Warna HSV." JTEV (Jurnal Teknik Elektro dan Vokasional) 5, no. 1.1 (September 23, 2019): 166. http://dx.doi.org/10.24036/jtev.v5i1.1.107560.

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Penelitian ini bertujuan untuk menerapkan pemilihan kualitas buah Jeruk Pontianak dengan menggunakan metode ke ilmuan pencitraan digital. Ektrasi nilai citra RGB dan di konversi ke dalam bentuk HSV. Penggunaan nilai Hue sebagain indikator warna dan identifikasi warna citra Jeruk Ponitanak. Rentang nilai Hue (0.627 - 8.991), data ini diambil dari 10 buah sample jeruk terlalu matang, nilai Hue (11.914- 29.688), data ini diambil dari 10 sample buah jeruk matang, dan rentang nilai Hue (30.224 - 68.68) digunakan sebagai 10 buah sample jeruk mentah. Proses klasifikasi citra kulit jeruk menggunakan Aplikasi GUI MATLAB agar proses klasifikasi citra dapat dilakukan dalam waktu singkat

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Winkler, Sheldon, Kenneth G. Boberick, Kasia S. Weitz, Isaac Datikashvili, and Robert Wood. "Shade Matching by Dental Students." Journal of Oral Implantology 32, no. 5 (October 1, 2006): 256–58. http://dx.doi.org/10.1563/828.1.

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Abstract Dental students achieved a high identification rate for darker shades (P14 and P24) on the Portrait IPN shade guide, which represent the highest chroma and lowest value in the grayish and reddish yellow hue groups. A high identification rate was also obtained for P32, representing the lowest chroma and highest value in the reddish gray hue group. The data suggest that dental students had the most difficulty determining the correct hue group for unmarked shade tabs. Incorrect responses tended to remain in the same value and chroma range but were selected in a different hue group.

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Sanmuang, Sarinpat, Nongnuch Phoomalee, and Preechawut Apirating. "Patterns Symbols in Auspicious Animal Decorate in the Imperial City of Hue, Socialist Republic of Vietnam." International Journal of Membrane Science and Technology 10, no. 3 (July 28, 2023): 672–83. http://dx.doi.org/10.15379/ijmst.v10i3.1587.

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The Imperial City of Hue, the capital city of the Nguyen Dynasty (1802-1945), was the last dynasty in the feudal era that ruled Vietnam for 143 years. Emperor Gia Long ascended the throne ruling the Kingdom of Vietnam, choosing Hue as the capital city and building the Imperial City of Hue for the Nguyen Dynasty. The construction took 27 years. Emperor Gia Long adopted a system of governance and Confucian concepts to rule Vietnam. The emperor was likened to the Son of Heaven and sent to rule the human world. It was then necessary to create a living space that resembled heaven. The Imperial City of Hue was modeled after the Forbidden City in Beijing, China, to ensure that the royal palaces of the Imperial City of Hue were as marvelous as the Chinese Forbidden City. It also reflects the royal authority of the Vietnamese monarchy following the Chinese monarchy. According to the Cultural Diffusion theory, Vietnam has been culturally influenced by China through the architecture of the Imperial City of Hue, which emphasizes the uniqueness of its important strategic city location; suitable topographic features containing rivers, mountains, and sea as natural defenses against external invasions, and the uniqueness of the Vietnamese capital and the Imperial City of Hue, the Socialist Republic of Vietnam during the Nguyen Dynasty.

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Landschoot, Peter J., and Charles F. Mancino. "A Comparison of Visual vs. Instrumental Measurement of Color Differences in Bentgrass Turf." HortScience 35, no. 5 (August 2000): 914–16. http://dx.doi.org/10.21273/hortsci.35.5.914.

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This study was conducted to determine: 1) if the Minolta CR-310 Chroma Meter can detect color differences among bentgrass (Agrostis stolonifera L., A. capillaris L.) cultivars maintained as a turf; 2) how the CR-310 parameters of hue angle, lightness, and chroma compare with visual color assessments; and 3) if the CR-310 can provide consistent color measurements among evaluators. Differences were detected among cultivars with respect to hue angle, lightness, and chroma. Hue angle and chroma were significantly correlated with visual color assessments when data were averaged across all evaluators. Lightness was not strongly associated with visual color assessment. Differences were found among evaluators for visual color assessment, lightness, and chroma, but not for hue angle measurements. Thus, hue angle appears to be the most consistent CR-310 parameter for measuring color of bentgrass turf. These results indicate that the CR-310 can be used to evaluate the color of bentgrass cultivars maintained as a turf and provides consistent hue angle measurements among evaluators, regardless of experience in rating turf color. The CR-310 is probably best used for measuring relative color differences and may be useful if cultivars of similar color are desired in blended turfs.

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Witzel, Christoph. "Variation of Saturation Across Hue Affects Unique and Typical Hue Choices." i-Perception 10, no. 5 (September 2019): 204166951987222. http://dx.doi.org/10.1177/2041669519872226.

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CHANDAN KUMAR, S.B. MISHRA, NILANJAYA, and CHANDRA MOHAN SINGH. "Evaluation of selection indices for improving terminal heat tolerance in greengram (Vignaradiata L. Wilczek)." Journal of Agrometeorology 18, no. 2 (December 1, 2016): 216–21. http://dx.doi.org/10.54386/jam.v18i2.938.

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An investigation was carried out with forty greengram genotypes including one check Samrat during summer 2015 to find out suitable selection indices for influencing the performance of genotypes under heat stress. Seed yield showed positive and significant association with days to maturity (DM), growing degree days (GDD), relative temperature depression (RTD) and heat use efficiency (HUE). Stepwise regression analysis showed that maximum contribution was made by HUE followed by photothermal index (PTI) and DM. This indicated that HUE might be utilized as primary key factor, whereas PTI, DM and RTD might be utilized as secondary key factor for improving heat tolerance in greengram. The comparison of different functions revealed that among the single character selection index HUE (index IV) was the key component to construct selection index for terminal heat tolerance in greengram. Besidethis DM, PTI, RTD, HUE and seed yield per plant (SYP) (index XV) should be simultaneously selected to achieve maximum gain and improve the heat tolerance in greengram.

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Marais, Evelyn, Gerard Jacobs, and Deirdre M. Holcroft. "Postharvest Irradiation Enhances Anthocyanin Synthesis in Apples But Not in Pears." HortScience 36, no. 4 (July 2001): 738–40. http://dx.doi.org/10.21273/hortsci.36.4.738.

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`Cripps' Pink' apples (Malus ×domestica Borkh.) subjected to 72 hours of postharvest irradiation developed a better red blush with high pressure sodium (HPS) (hue angle 56.5°) than with UV-B plus incandescent (UVB+I) lamps (hue angle 70.7°). Only HPS lamps were used in subsequent experiments. The increase in red color (hue angle decrease of 14.9°) in `Braeburn' apples held at -0.5 °C for 8 weeks prior to treatment was smaller than in fruit stored for 4 weeks (hue angle decrease of 23°). No increase in color or anthocyanin concentration was observed in `Forelle' pears (Pyrus communis L.) that were similarly treated. `Forelle' pears were harvested with or without attached stem and leaves to determine whether precursor availability restricted postharvest color development. Fruit were irradiated with HPS at 20/20 °C and 20/6 °C (day/night) for 168 hours. The absence of leaves hastened the decrease in hue angle, but this was due to yellowing and not to development of red blush. Since `Forelle' pears showed no response to light after harvest, two fully red cultivars, Bon Rouge and Red Anjou, were irradiated with HPS lamps for 72 hours. Hue angle was not affected by irradiation. Thus, anthocyanin synthesis was stimulated by postharvest irradiation with HPS lights in apples, but not in pears.

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Phuc, Le Van, and Nguyen Hoang Ngoc Linh. "ASSESSING THE STATUS OF BUILDING COLLECTIVE MARKS FOR CRAFT VILLAGE PRODUCTS IN THUA THIEN HUE PROVINCE." Hue University Journal of Science: Economics and Development 128, no. 5C (April 5, 2019): 169. http://dx.doi.org/10.26459/hueuni-jed.v128i5c.5134.

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Abstract: Thua Thien Hue is a locality with many potentials to develop craft village products. In the context of deep integration, the use of intellectual property tools, namely collective mark, is one of the prerequisites for craft villages to show their strength and value of brands and better export products to international markets. This study clarifies the status of building collective marks for craft village products in Thua Thien Hue province. The research analyzes the secondary data, uses the descriptive statistics of primary data obtained from in-depth interviews with 5 experts and surveys 28 collective mark owners in the locality. The results reflect the status of collective marks for craft products in Thua Thien Hue province through two aspects: (i) the status of collective mark registration and (ii) support activities for building and managing collective marks for craft village products of management agencies in Thua Thien Hue province. Thereby, the study points out outstanding issues and proposes solutions to building and developing collective marks for craft village products in Thua Thien Hue.Keywords: collective mark, craft village product, Thua Thien Hue

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Yuan, Bin, Ying Guo, Jingwen Chen, and Ziyuan Liu. "Study of Natural and Synthetic Yellow–Orange Sapphires Based on the CIE 1976 L*a*b* Uniform Colour Space." Science of Advanced Materials 14, no. 10 (October 1, 2022): 1570–81. http://dx.doi.org/10.1166/sam.2022.4357.

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The natural and synthetic yellow–orange sapphires are researched in a new angle of gemstone chromaticity. The relationship between spectrum and composition and colour was studied by UV-Visible spectroscopy and Laser Ablation Inductively Coupled Plasma Mass Spectrometer (LA-ICP-MS) testing. The results show that synthetic yellow–orange sapphires for this article are co-coloured by nickel and chromium, and differ from natural yellow–orange sapphires. The lightness L* of synthetic sapphires is mainly influenced by the chromium, and the hue angle h° is influenced by nickel and chromium, in addition to the ratio of chromium to nickel content. In the UV-Visible spectroscopy, the hue angle of natural sapphire is influenced by the wavelength that corresponds to the trough in the blue–violet area, while the absorption band at 555 nm in the ultraviolet-visible spectrum of synthetic sapphire influences the hue angle. The lightness of the sapphire is higher under A than under D65; the chroma decreases with the change of light source from D65 to A for the yellow sapphire and increases for the rest; the hue angle is generally higher under D65 than under A, and as the red hue continues to increase, the hue angle is higher under A than under D65.

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GUPTA, VIKAS, MEENAKSHI GUPTA, RAJEEV BHARAT, MAHENDER SINGH, and B. C. SHARMA. "Performance of wheat (Triticum aestivum) varieties under different thermal regimes and N-levels." Indian Journal of Agricultural Sciences 90, no. 4 (July 10, 2020): 775–79. http://dx.doi.org/10.56093/ijas.v90i4.102222.

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Present study was carried out during rabi 2015-16 and 2016-17 at SKUAST-Jammu to evaluate the performance of different varieties of wheat (Triticum aestivum L.) under thermal regimes and N-levels in terms of agrometerological indices like accumulated growing degree days (AGDD), heliothermal units (AHTU), photothermal units (APTU), heat use efficiencies (HUE) of grain and biological yields. The treatments comprised of three wheat varieties (HD 2967, RSP 561 and WH 1105) planted in three sowing environments 25th October (early), 14th November and 4th December with three levels of nitrogen (100, 125 and 150 kg/ha) in split split plot design. Among the varieties, WH 1105 recorded significantly higher AGDD, AHTU, APTU and HUE than HD 2967 and RSP 561. Early sowing (25th October) of wheat also recorded higher AGDD, HTU, PTU and HUE values and grain and biological yield HUE than normal (14th November) and late sowing (4th December) environments. Delayed planting resulted in the reduction of accumulation of thermal indices along with HUE. Fifty kg higher nitrogen (150 kg/ha) than recommended dose (100 kg/ha) exhibited higher agrometerological indices values along with higher HUEs. The relationship between grain and biological yield with AGDD and HUE was highly significant during both the years under experimentation.

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Tanaka, Go, Noriaki Suetake, and Eiji Uchino. "Color Transfer Based on Normalized Cumulative Hue Histograms." Journal of Advanced Computational Intelligence and Intelligent Informatics 14, no. 2 (March 20, 2010): 185–92. http://dx.doi.org/10.20965/jaciii.2010.p0185.

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Color transfer involves recoloring reflecting a reference image color in an input image, for example, by a color distribution or chroma distribution. The color transfer algorithm we propose transferring hue information by modifying the input image hue histogram so that its shape approaches that of the reference image as closely as possible. Color transfer effectively reflecting images considers image chroma information and relative hue histogram occurrence frequency as demonstrated in results of experiments.

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Moore, Patrick P. "Estimation of Anthocyanin Concentration from Colorimeter Measurements of Raspberry Fruit." HortScience 31, no. 4 (August 1996): 640e—640. http://dx.doi.org/10.21273/hortsci.31.4.640e.

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Measuring intact fruit with a colorimeter could be a quick way to estimate anthocyanin concentration and reduce waste disposal. Five fresh fruit from each of 134 plots were measured with a Minolta tristimulus colorimeter in 1994. Samples were frozen and anthocyanins extracted with acidified ethanol and measured with a spectrophotometer. The hue angle and anthocyanin concentration had r2 = 0.51. L*, a*, b* and C* were significantly correlated with anthocyanin concentration with r2 = 0.31, 0.32, 0.42, and 0.34, respectively. In 1995, five fruit from each of 20 plots were measured as before. In 1995, the hue angle and anthocyanin concentration had r2 = 35. A regression equation with hue angle, b* and a* estimated anthocyanin concentration with R2 = 0.62. In 1995, the same 20 samples were also measured with a colorimeter immediately after thawing. The hue angle and anthocyanin concentration had r2 = 0.55. A regression equation with hue angle, b* and L* estimated anthocyanin concentration with R2 = 0.76. It may be possible to estimate anthocyanin concentration by measuring intact fruit with a colorimeter after freezing and thawing the samples.

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Phuc, Le Van, and Nguyen Hoang Ngoc Linh. "FACTORS AFFECTING WORK MOTIVATION OF CIVIL SERVANTS IN THUA THIEN HUE PROVINCIAL PEOPLE'S COMMITTEE." Hue University Journal of Science: Economics and Development 128, no. 5C (April 1, 2019): 81. http://dx.doi.org/10.26459/hueuni-jed.v128i5c.5118.

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Abstract: The purpose of this study is to examine the factors affecting the motivation of civil servants at the People's Committee of Thua Thien Hue province. Based on data collected from 181 officers at the People's Committee of Thua Thien Hue Province, researchers processed all data by SPSS with some techniques such as: descriptive statistics, Cronbach's Alpha, Exploratory Factor Analysis (EFA) and Multivariate Regression Analysis... The research results show that there are 6 factors affecting the motivation of officers at the People's Committee of Thua Thien Hue province, including: (i) Working conditions; (ii) Nature of work; (iii) Career development opportunities; (iv) Income and benefits; (v) Relationship with leaders and (vi) Relationships with colleagues. Based on the research results, a number of solutions have been proposed to improve the work motivation in the People's Committee of Thua Thien Hue.Keywords: work motivation, civil servants, Thua Thien Hue Provincial People's Committee

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Al-Saikhan, Mohamed S., Luke R. Howard, and J. Creighton Miller. "INFLUENCE OF VARIETY AND LOCATION ON FLESH COLOR IN POTATO." HortScience 29, no. 7 (July 1994): 733g—733. http://dx.doi.org/10.21273/hortsci.29.7.733g.

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The influence of variety and location on flesh color was examined using Texas and Colorado grown tubers from ten yellow flesh and two white flesh potato varieties. Flesh color was determined using a Hunter Colorimeter, which gives three readings, L* (lightness to darkness), a* (green-red index) and b* (blue-yellow index) Three readings were taken from each tuber at the distal end, center, and stem end. There were significant differences in color among varieties grown in each location for L*, and at both locations, the center was darker. The distal end had the highest chroma and hue angle values at both location. Significant differences were found between the same variety grown in both locations for L*, chroma, and hue. Chroma and hue were greater in Texas grow tubers which indicated more redness. Lower mean hue angle values indicated that Texas tubers were more red, whereas Colorado tubers were yellow. Higher mean chroma values indicated that Texas grown tubers were redder than Colorado grown tubers. L*, chroma, and hue angle are the most useful quantitative measurements.

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Hoang, Nguyen Van, Dao Thi Thuy Ninh, and Pham Do Van Trung. "Examining Satisfaction Factors among Young Vietnamese Tourists: A Study of Traditional Cuisine in Hue City, Vietnam." South Asian Journal of Tourism and Hospitality 3, no. 2 (April 29, 2024): 1–34. http://dx.doi.org/10.4038/sajth.v3i2.64.

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The satisfaction of tourists plays a crucial role in enhancing the image of a tourist destination and influencing their decision to visit and revisit. Despite numerous global studies on this issue, there needs to be more research on factors influencing tourist satisfaction with traditional cuisine, especially for young Vietnamese tourists in a historic city like Hue, Vietnam. This study surveyed 250 young domestic tourists visiting Hue in early 2023 and included 12 semi-structured interviews with culinary experts, chefs, and tourism businesses. The results of hypothesis testing revealed that factors related to traditional Hue cuisine, such as Culinary Quality (CQ), Service Quality (SQ), Food hygiene and safety (HS), and Fair Price (FP), positively impact Customer Satisfaction (SAT). However, the factor of Restaurant Environment (RE) was rejected. Additionally, the interview results highlighted the significance of traditional Hue cuisine in tourism development. The study proposes policies and solutions to enhance tourist satisfaction with traditional Hue cuisine. This research contributes to formulating management policies and promoting traditional cuisine as a crucial factor in attracting visitors to tourist destinations.

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Ilie, Nicoleta. "The Dependence on Hue, Value and Opacity of Real-Time- and Post-Curing Light Transmission in a Nano-Hybrid Ormocer." Materials 17, no. 2 (January 20, 2024): 496. http://dx.doi.org/10.3390/ma17020496.

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This study aims to quantify the influence of hue, value and opacity on the variation in light transmittance of a full color palette of an ormocer-based dental composite. Samples with a thickness of 2 mm were cured in real time while the incident irradiance and light transmittance were recorded with a spectrophotometer, either in real time during the polymerization or through the polymerized composite at different exposure distances. Across the entire shade range, light attenuation was high, varying between 70.3% and 92.1%. The light transmittance during polymerization increased exponentially with exposure time in all shades. The differences between the cured and uncured composites decrease with increasing value and with increasing opacity within a value. The pattern of variation in light transmittance with increasing value is non-linear and depends on the hue, but not on the opacity within a hue. Small variations in value in lighter shades of hue B reduce the transmitted light more than in hue A, while the opposite is true for darker shades. The results strongly suggest an adequate curing of the lower increments in larger restorations, as the additional light expected from curing the upper increments is very small, regardless of hue, value or opacity. An additional unfavorable condition by increasing the exposure distance consistently contributes to a reduction in light transmission and thus further supports the above statement.

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van Rooyen*, Elzette, and Randolph Beaudry. "Preserving Color in `Michigan Purple' Potatoes." HortScience 39, no. 4 (July 2004): 879E—880. http://dx.doi.org/10.21273/hortsci.39.4.879e.

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The objective of this study was to evaluate preharvest fertilizer application and postharvest storage temperature and duration as they affect the intensity and stability of color in red and purple potato cultivars during storage. `Michigan Purple', `Dakota Rose', and `Chieftain' were stored at 4 °C and hue angle (h°) was measured weekly. The initial `Michigan Purple' h° of 1.1° changed to 23.2° after 18 weeks of storage (a shift in h° from 350° to 30° changes from purple to red) while the initial hue angle of 18.5° and 34.1° for red-skinned cultivars, `Dakota Rose' and `Chieftain', changed to 27.2° and 43.2°, respectively. Hence, the degree of color shift was greater in `Michigan Purple' although all the cultivars in this experiment underwent significant color change during storage. Hue angle of `Michigan Purple' tubers stored at 4°, 10°, and 20 °C for 8 weeks changed 19.4°, 12°, and 14.2° toward the redder h°, respectively. Thus, the color of `Michigan Purple' tubers changed the least at 10°C. Hue angle of `Michigan Purple' tubers fertilized with 180 lbs/acre slow-releasing nitrogen, 180 lbs/acre nitrogen, 270 lbs/acre nitrogen, and 2.5 lbs/acre poultry manure was measured after 5 weeks at 4 °C. Hue angles were 0.92°, 11.65°, 3.99°, and 1.34°, respectively. The hue of the first three treatments differed significantly from one another, but the hue of the potatoes treated with 180 lbs/acre slow-releasing nitrogen and 2.5 lbs/acre poultry manure did not differ. Preharvest factors like plant nutrition can influence tuber color in storage and `Michigan Purple' tuber color is particularly sensitive to storage temperature.

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Guo, Ying, Zhi Xuan Dai, and Hong Juan Sun. "The Correlation between Play-of-Color Effect and SiO₂ Cavities Size of Australian Blue Opal." Key Engineering Materials 492 (September 2011): 366–69. http://dx.doi.org/10.4028/www.scientific.net/kem.492.366.

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Its play-of-color effect of Australian opal makes it unique and much more precious than any other gemstones in the world. More than 50 Australian opals were chosen to conduct the experiments, including boulder and black opals with blue-green to blue-purple color. Spectropotometer Color i5 was used to analyze the color of opal samples with CIE L*a*b* uniform color space. Dominant wavelength was put into comparison with hue angle. SEM and AFM were the main means to analyze the internal structure of opal samples, and the diameter and size of cavities of SiO2 were measured and discussed. It is revealed that the hue angle of blue-purple opal is 302.15° with 449nm as its dominant wavelength, and so the size of SiO2 cavities in the sample is about 155.32nm; the hue angle of blue opals is between (256°, 286°) with the dominant wavelength between (471nm, 485nm), and so their size of SiO2 cavities is between (154.35nm, 182.54nm); the hue angle of blue-green opal is between (183°, 213°) with the dominant wavelength between (489nm, 500nm) and so their size of SiO2 cavities is between (172.95nm, 193.66nm). Besides, the diameter and size of SiO2 cavities were analyzed against the dominant wavelength, hue angle, lightness, and saturation to reveal their correlation. It is indicated that the diameter and size of SiO2 cavities are in positive correlation with the dominant wavelength, but negative correlation with the hue angle. As the diameter and size of SiO2 cavities grow, the dominant wavelength increases but the hue angle decreases. Also they are in positive correlation with lightness but their correlation with saturation was not discovered.

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Li, B., QY Zhai, JB Hutchings, MR Luo, and FT Ying. "Atmosphere perception of dynamic LED lighting over different hue ranges." Lighting Research & Technology 51, no. 5 (April 3, 2017): 682–703. http://dx.doi.org/10.1177/1477153517702532.

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This paper investigates the atmosphere perception of dynamic coloured lighting over warm and cool hue ranges in a living room. Experiments were carried out with eight fully functional multi-channel tunable LED luminaires. Thirty Chinese observers (14 males and 16 females) evaluated 36 light conditions (2 luminance ×2 chroma ×3 hue range types ×3 speeds) using a questionnaire of 25 response scales. Four atmosphere factors were extracted: coziness, spaciousness, liveliness and warmth. Both dynamics and hue range significantly affected the atmosphere perception.

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Gao, Yun, Hao Zhou, and Xue Jie Zhang. "A Novel Object Tracking Based on Foreground Hue Histogram." Applied Mechanics and Materials 278-280 (January 2013): 1205–10. http://dx.doi.org/10.4028/www.scientific.net/amm.278-280.1205.

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We propose a tracking algorithm for a single non-rigid object based on its foreground hue histogram. A tracked region can be described by the foreground hue histogram only calculating foreground object pixels, which can effectively restrain the disturbing of complex background environments. For measuring the object likelihood, we match the foreground hue histogram with that of the tracked object and refer the result of motion detection to encircle the tracked object region as much as possible. During the tracking, we update the hue histogram model for adapting the object appearance variation. The proposed algorithm is realized in the particle filter frame, and the experiments show that it is capable of robustly and accurately tracking a single non-rigid object for the situations of complex background scenes and strong appearance variations.

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Miller, Terry E., Pierre Bois, Francis Comini, and Dominique Vander Heym. "Vietnam: Music from Hue." Yearbook for Traditional Music 30 (1998): 204. http://dx.doi.org/10.2307/768613.

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Chuang, J., D. Weiskopf, and T. Moller. "Hue-Preserving Color Blending." IEEE Transactions on Visualization and Computer Graphics 15, no. 6 (November 2009): 1275–82. http://dx.doi.org/10.1109/tvcg.2009.150.

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Albertazzi, Liliana, Luisa Canal, Michela Malfatti, and Rocco Micciolo. "The Hue of Concepts." Perception 42, no. 12 (January 2013): 1344–52. http://dx.doi.org/10.1068/p7576.

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Journal articles on the topic 'Hue'

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