Mr. Jonghwa Lee Profile

Jonghwa Lee

at Yonsei Univ

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Author

Publications (11)

SPIE Journal Paper | 25 March 2014 Open Access

Frequency sensitivity for video compression

Guiwon Seo, Jonghwa Lee, Chulhee Lee

OE, Vol. 53, Issue 03, 033107, (March 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.3.033107

KEYWORDS: Quantization, Video, Video compression, Video coding, Optical engineering, Visual system, Performance modeling, Spatial frequencies, Standards development, Visual process modeling

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SPIE Journal Paper | 5 June 2012

Deinterlacing with reduced flickering

Jonghwa Lee, Chulhee Lee

OE, Vol. 51, Issue 6, 067401, (June 2012) https://doi.org/10.1117/12.10.1117/1.OE.51.6.067401

KEYWORDS: Video, RGB color model, Visualization, Distortion, Optical engineering, Neural networks, Motion estimation, Televisions, Video processing, Visibility

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SPIE Journal Paper | 1 June 2011

Video quality measurement for multimedia applications using reduced-reference signals

Chulhee Lee, Sangwook Lee, Jonghwa Lee, Kwon Lee, Hyunsoo Choi, Guiwon Seo, Jonggeun Park

OE, Vol. 50, Issue 06, 067403, (June 2011) https://doi.org/10.1117/12.10.1117/1.3589298

KEYWORDS: Video, Multimedia, Quality measurement, Video processing, Wavelets, Optical engineering, Image quality, Image transmission, LCDs, Databases

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SPIE Journal Paper | 1 October 2010

Compression of hyperspectral images with discriminant features enhanced

Chulhee Lee, Euisun Choi, Taeuk Jeong, Sangwook Lee, Jonghwa Lee

JARS, Vol. 4, Issue 01, 041764, (October 2010) https://doi.org/10.1117/12.10.1117/1.3517719

KEYWORDS: Image compression, JPEG2000, Feature extraction, Hyperspectral imaging, Signal to noise ratio, Image classification, 3D image processing, 3D image enhancement, Buildings, Discrete wavelet transforms

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Proceedings Article | 24 August 2010 Paper

Improved panchromatic sharpening

Jonghwa Lee, Sangwook Lee, Chulhee Lee

Proceedings Volume 7810, 78100T (2010) https://doi.org/10.1117/12.862243

KEYWORDS: Image resolution, Earth observing sensors, Linear filtering, High resolution satellite images, Discrete wavelet transforms, Resolution enhancement technologies, Spatial resolution, Modulation transfer functions, Image processing, Image enhancement

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Proceedings Article | 2 September 2009 Paper

Perceptual video quality comparison of various deinterlacing methods

Jonghwa Lee, Sangwook Lee, Chulhee Lee

Proceedings Volume 7443, 74430O (2009) https://doi.org/10.1117/12.827237

KEYWORDS: Video, Video compression, Molybdenum, Signal processing, LCDs, Video processing, Neural networks, Visualization, Motion estimation, Plasma display panels

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Proceedings Article | 2 September 2009 Paper

Deinterlacing with reduced flickering

Jonghwa Lee, Sangwook Lee, Chulhee Lee

Proceedings Volume 7443, 74430Y (2009) https://doi.org/10.1117/12.827240

KEYWORDS: Video, Video processing, Signal processing, Signal attenuation, LCDs, Visualization, Plasma display panels, Image resolution, Electronics engineering, Flat panel displays

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Proceedings Article | 31 August 2009 Paper

Bit allocation for 2D compression of hyperspectral images for classification

Sangwook Lee, Jonghwa Lee, Chulhee Lee

Proceedings Volume 7455, 745507 (2009) https://doi.org/10.1117/12.826958

KEYWORDS: Hyperspectral imaging, Signal to noise ratio, Image compression, Image classification, Feature extraction, Image segmentation, Environmental sensing, Image sensors, Data storage, Geology

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Proceedings Article | 31 August 2009 Paper

Automated display of hyperspectral images with unsupervised segmentation

Sangwook Lee, Jonghwa Lee, Chulhee Lee

Proceedings Volume 7455, 74550Y (2009) https://doi.org/10.1117/12.826962

KEYWORDS: Image segmentation, Hyperspectral imaging, Principal component analysis, Feature extraction, Visualization, RGB color model, Image fusion, Independent component analysis, Image processing algorithms and systems, Binary data

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Proceedings Article | 5 February 2009 Paper

Video calibration for spatial-temporal registration with gain and offset adjustments

Chulhee Lee, Jonghwa Lee, Guiwon Seo

Proceedings Volume 7244, 72440F (2009) https://doi.org/10.1117/12.810489

KEYWORDS: Video, Video processing, Quality measurement, Calibration, Error analysis, Quality systems, Computer programming, Receivers, Digital filtering, Image processing

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Proceedings Article | 20 March 2008 Paper

Efficient color coding for color filter arrays

Chulhee Lee, Jonghwa Lee

Proceedings Volume 6817, 68170K (2008) https://doi.org/10.1117/12.767986

KEYWORDS: Optical filters, Image compression, Image sensors, Computer programming, Sensors, Imaging arrays, Image processing, Consumer electronics, Digital electronics, Digital filtering

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Showing 5 of 11 publications

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