Prof. Yoonsik Choe Profile

Prof. Yoonsik Choe

at Yonsei Univ

SPIE Involvement:

Author

Publications (12)

Proceedings Article | 13 March 2021 Paper

Single image shadow removal via detection-free spatially adaptive denormalization

Hyunjeong Ryu, Taehyeon Kim, Yoonsik Choe

Proceedings Volume 11766, 117661D (2021) https://doi.org/10.1117/12.2590749

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Proceedings Article | 1 June 2020 Paper

Background subtraction via exact solution of Bayesian L1-norm tensor decomposition

Taehyeon Kim, Yoonsik Choe

Proceedings Volume 11515, 115151G (2020) https://doi.org/10.1117/12.2566236

KEYWORDS: Video, Principal component analysis, Statistical analysis, Optimization (mathematics), Electronics engineering, Cameras, Video processing, Statistical methods, Data modeling, Bessel functions

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Proceedings Article | 1 June 2020 Paper

GAN-based single-image reflectance removal using depth of field guidance

Miran Heo, Yoonsik Choe

Proceedings Volume 11515, 1151503 (2020) https://doi.org/10.1117/12.2567028

KEYWORDS: Data modeling, Image transmission, Visual process modeling, Reflectivity, Neural networks, Image restoration, Visualization, Statistical modeling, Machine learning

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SPIE Journal Paper | 8 November 2017

Efficient image enhancement using sparse source separation in the Retinex theory

Jongsu Yoon, Jangwon Choi, Yoonsik Choe

OE, Vol. 56, Issue 11, 113103, (November 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.11.113103

KEYWORDS: Image enhancement, Reflectivity, Algorithms, RGB color model, Optical engineering, Retina, Optimization (mathematics), Image quality, Human vision and color perception, Machine vision

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SPIE Journal Paper | 1 July 2011

Advanced intra prediction based on optimal linear predictors for weakly-predicted subspace

Sungjei Kim, Yoonsik Choe, Yong-Goo Kim

OE, Vol. 50, Issue 07, 077403, (July 2011) https://doi.org/10.1117/12.10.1117/1.3597642

KEYWORDS: Computer programming, Optical engineering, Video coding, Video, Optimal filtering, Quantization, Signal processing, Electronics engineering, Video compression, Time metrology

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SPIE Journal Paper | 1 July 2011

Adaptive inter color residual prediction for efficient red-green-blue intra coding

Jinwoo Jeong, Yoonsik Choe, Yong-Goo Kim

OE, Vol. 50, Issue 07, 077404, (July 2011) https://doi.org/10.1117/12.10.1117/1.3598317

KEYWORDS: Computer programming, Video, RGB color model, Color prediction, Video coding, Received signal strength, Video compression, Chromium, Optical engineering, Video surveillance

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Proceedings Article | 1 March 2005 Paper

Extraction of leukocyte in a cell image with touching red blood cells

Chee Sun Won, Jae Yeal Nam, Yoonsik Choe

Proceedings Volume 5672, (2005) https://doi.org/10.1117/12.593335

KEYWORDS: Image segmentation, Blood, Image processing, Image processing algorithms and systems, Composites, Electronics, Sun, Feature extraction, Detection and tracking algorithms, Imaging systems

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SPIE Journal Paper | 1 August 2004

Disparity estimation using a region-dividing technique and energy-based regularization

HanSung Kim, Yoonsik Choe, Kwanghoon Sohn

OE, Vol. 43, Issue 08, (August 2004) https://doi.org/10.1117/12.10.1117/1.1766299

KEYWORDS: Lamps, Head, Image processing, Reliability, Cameras, Optical engineering, Computer programming, 3D modeling, Reconstruction algorithms, Imaging systems

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SPIE Journal Paper | 1 September 2003

Fast algorithm for discrete cosine transform (DCT)-domain image downsampling using Winograd DCTs

Donyeon Kim, Yoonsik Choe

OE, Vol. 42, Issue 09, (September 2003) https://doi.org/10.1117/12.10.1117/1.1599842

KEYWORDS: Image compression, Image processing, Video compression, Yield improvement, Video, Fourier transforms, Electronics engineering, Data processing, Semantic video, Image filtering

Proceedings Article | 28 December 1998 Paper

Transcoding DV into MPEG-2 in the DCT domain

Donyeon Kim, Bumsik Youn, Yoonsik Choe

Proceedings Volume 3653, (1998) https://doi.org/10.1117/12.334608

KEYWORDS: Data conversion, Video, Video coding, Motion estimation, Digital video recorders, Parallel processing, Video compression, Data storage, Computer programming, Lithium

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Proceedings Article | 1 October 1998 Paper

Real-time blocking artifact reduction system based on spatially adaptive image restoration

Jeongsang Lee, Yoonsik Choe

Proceedings Volume 3460, (1998) https://doi.org/10.1117/12.323213

KEYWORDS: Digital signal processing, Image restoration, Image filtering, Optical filters, Image quality, Finite impulse response filters, Image compression, Quantization, Linear filtering, Image processing

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Proceedings Article | 6 July 1998 Paper

Panorama system

Yu Chan Kwon, J. Lee, Yoonsik Choe

Proceedings Volume 3387, (1998) https://doi.org/10.1117/12.316425

KEYWORDS: Panoramic photography, Cameras, Image registration, Imaging systems, Video, Image processing, Visualization, Telecommunications, Image quality, Video processing

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Showing 5 of 12 publications

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