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Ji-hoon Yoo
at Kyungpook National Univ
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Publications (3)
Proceedings Article | 8 February 2015 Paper
Illumination estimation based on estimation of dominant chromaticity in nonnegative matrix factorization with sparseness constraint
Proceedings Volume 9395, 93950V (2015) https://doi.org/10.1117/12.2078968
KEYWORDS: Reflectivity, Image analysis, Image segmentation, Error analysis, Image quality, Illumination engineering, Distortion, Image processing, Image processing algorithms and systems, Electronics engineering
Proceedings Article | 8 February 2015 Paper
Color image enhancement based on particle swarm optimization with Gaussian mixture
Proceedings Volume 9395, 939508 (2015) https://doi.org/10.1117/12.2077381
KEYWORDS: Image enhancement, Particle swarm optimization, Particles, Expectation maximization algorithms, Image quality, Transform theory, Image analysis, Image processing, Evolutionary algorithms, Data modeling
Proceedings Article | 4 February 2013 Paper
Estimation of reflectance based on properties of selective spectrum with adaptive Wiener estimation
Proceedings Volume 8652, 86520D (2013) https://doi.org/10.1117/12.2005444
KEYWORDS: Reflectivity, Cameras, Imaging systems, Optical filters, Error analysis, Data acquisition, Sensors, RGB color model, Data analysis, Digital cameras
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