Dr. Changryoul Choi Profile

Dr. Changryoul Choi

at Hanyang Univ

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Author

Publications (3)

SPIE Journal Paper | 23 June 2014

Constrained two-bit transform for low-complexity motion estimation

Changryoul Choi, Jechang Jeong

OE, Vol. 53, Issue 06, 063104, (June 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.6.063104

KEYWORDS: Motion estimation, Image filtering, Distortion, Optical engineering, Video compression, Algorithms, Curium, Signal to noise ratio, Binary data, Electronics

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Proceedings Article | 5 August 2010 Paper

Adaptive fast-matching algorithm based on sub-block ordering

Soonjong Jin, Changryoul Choi, Joohyun Lee, Jechang Jeong

Proceedings Volume 7744, 77442F (2010) https://doi.org/10.1117/12.863822

KEYWORDS: Distortion, Algorithms, Antimony, Performance modeling, Motion models, Motion estimation, Diamond, Error analysis, Video coding, Image quality

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Proceedings Article | 29 April 2002 Paper

Robust image watermarking scheme resilient to desynchronization attacks

Changryoul Choi, Jechang Jeong

Proceedings Volume 4675, (2002) https://doi.org/10.1117/12.465290

KEYWORDS: Digital watermarking, Image restoration, Image processing, Modulation, Sensors, Image enhancement, Forward error correction, Image compression, Image quality, Distortion

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