Prof. Kwang Hoon Sohn Profile

Prof. Kwang Hoon Sohn

Professor at Yonsei Univ

SPIE Involvement:

Author

Publications (49)

Proceedings Article | 13 June 2023 Presentation + Paper

Unsupervised domain adaptation for multispectral object detection

Hyunsung Jang, Minseok Lee, Jaeyeob Kim, Namkoo Ha, Kwanghoon Sohn

Proceedings Volume 12521, 125210Q (2023) https://doi.org/10.1117/12.2664074

KEYWORDS: Artificial intelligence, Deep learning, Image processing, Automatic target recognition, Object detection, Multispectral imaging, Target detection

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Proceedings Article | 19 September 2019 Paper

Object-based multispectral image fusion method using deep learning

Hyunsung Jang, Namkoo Ha, Yoonmo Yeon, Kuyong Kwon, Sungho Gil, Seungha Lee, Sungsoon Park, Hyungjoo Jung, Kwanghoon Sohn

Proceedings Volume 11169, 111690O (2019) https://doi.org/10.1117/12.2532718

KEYWORDS: Image fusion, Multispectral imaging, Image segmentation, Target detection, Sensors, Visualization, Surveillance, Image enhancement, Reconnaissance, Machine vision

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Proceedings Article | 10 May 2017 Paper

Correlation between projector calibration error and depth expression range for autostereoscopic optical display system using laser beam scanning projector

Yeo Hun Kim, Min Koo Kang, Ki Hyuk Yoon, Kwang Hoon Sohn, Sung Kyu Kim

Proceedings Volume 10219, 102190Q (2017) https://doi.org/10.1117/12.2264875

KEYWORDS: 3D displays, Photonics, Glasses, Stereoscopic displays, Projection systems, Calibration, Displays, Visual system, Autostereoscopic displays, 3D image processing

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Proceedings Article | 1 June 2016 Paper

A study on the effects of RGB-D database scale and quality on depth analogy performance

Sunok Kim, Youngjung Kim, Kwanghoon Sohn

Proceedings Volume 9867, 986707 (2016) https://doi.org/10.1117/12.2229600

KEYWORDS: Databases, Image quality, Databases, Image quality, Stereoscopic cameras, Image retrieval, Visualization, Cameras, Image compression, Image visualization, Sensors, Roads

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SPIE Journal Paper | 11 December 2015

Parallax adjustment for visual comfort enhancement using the effect of parallax distribution and cross talk in parallax-barrier autostereoscopic three-dimensional display

Donghyun Kim, Hyoung Lee, Sung-Kyu Kim, Kwanghoon Sohn

OE, Vol. 54, Issue 12, 123104, (December 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.12.123104

KEYWORDS: Visualization, 3D displays, Image enhancement, Video, Glasses, 3D image enhancement, Optical engineering, 3D equipment, Eye, 3D image processing

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SPIE Journal Paper | 12 May 2015

Effect of parallax distribution and crosstalk on visual comfort in parallax barrier autostereoscopic display

Donghyun Kim, Hyoung Lee, Sung-Kyu Kim, Kwanghoon Sohn

OE, Vol. 54, Issue 05, 053107, (May 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.5.053107

KEYWORDS: Visualization, Autostereoscopic displays, 3D displays, Stereo holograms, Stereoscopy, Optical engineering, Image quality, Reliability, 3D image processing, Stereoscopic displays

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Proceedings Article | 17 March 2015 Paper

Robust stereo matching based on probabilistic Laplacian propagation with weighted mutual information

Junhyung Kim, Seungchul Ryu, Seungryong Kim, Kwanghoon Sohn

Proceedings Volume 9393, 93930I (2015) https://doi.org/10.1117/12.2077538

KEYWORDS: Reliability, Radio propagation, Cameras, 3D image processing, Data modeling, Digital imaging, Electronics engineering, Illumination engineering, Mahalanobis distance, Image processing

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Proceedings Article | 17 March 2015 Paper

Structure-aware depth super-resolution using Gaussian mixture model

Sunok Kim, Changjae Oh, Youngjung Kim, Kwanghoon Sohn

Proceedings Volume 9393, 93930J (2015) https://doi.org/10.1117/12.2078795

KEYWORDS: Super resolution, Volume rendering, Image resolution, Sensors, Lutetium, 3D image processing, Bayesian inference, Optimization (mathematics), Resolution enhancement technologies, 3D modeling

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Proceedings Article | 8 February 2015 Paper

Statistical approach for supervised codeword selection

Kihong Park, Seungchul Ryu, Seungryong Kim, Kwanghoon Sohn

Proceedings Volume 9406, 940609 (2015) https://doi.org/10.1117/12.2078771

KEYWORDS: Principal component analysis, Statistical analysis, Computer programming, Detection and tracking algorithms, Object recognition, Feature extraction, Electronics engineering, Dimension reduction, Robots, Machine vision

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Proceedings Article | 12 March 2013 Paper

Multiview ToF sensor fusion technique for high-quality depth map

Deukhyeon Kim, Jinwook Choi, Kwanghoon Sohn

Proceedings Volume 8650, 865006 (2013) https://doi.org/10.1117/12.2001733

KEYWORDS: Sensors, Cameras, Calibration, Imaging systems, Sensor fusion, Video, Machine vision, Computer vision technology, Distortion, Image fusion

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SPIE Journal Paper | 13 December 2012 Open Access

Errata: Haar-like compact local binary pattern for illumination-robust feature matching

Bongjoe Kim, Jihoon Choi, Sanghyun Joo, Kwanghoon Sohn

JEI, Vol. 21, Issue 4, 049801, (December 2012) https://doi.org/10.1117/12.10.1117/1.JEI.21.4.049801

KEYWORDS: Binary data, Electronics engineering, Defense and security, Video, Electronic imaging

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SPIE Journal Paper | 22 November 2012

Haar-like compact local binary pattern for illumination-robust feature matching

Bongjoe Kim, Jihoon Choi, Sanghyun Joo, Kwanghoon Sohn

JEI, Vol. 21, Issue 4, 043014, (November 2012) https://doi.org/10.1117/12.10.1117/1.JEI.21.4.043014

KEYWORDS: Binary data, Sensors, Machine vision, Computer vision technology, Image retrieval, Facial recognition systems, Wavelets, Electronics engineering, Feature extraction, Electronic imaging

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Proceedings Article | 15 May 2012 Paper

Method of crosstalk reduction using lenticular lens

Hyoung Lee, Kwang-Hoon Lee, Sung-Kyu Kim, Kwang-Hoon Sohn

Proceedings Volume 8384, 838419 (2012) https://doi.org/10.1117/12.921576

KEYWORDS: Light sources, Lenticular lenses, 3D displays, Projection systems, Optical properties, Sensors, Stereoscopic displays, Displays, Image resolution, Flat panel displays

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SPIE Journal Paper | 17 April 2012

Asymmetric stereo imaging system for portable electronic devices

Hyoungchul Shin, Kwanghoon Sohn

OE, Vol. 51, Issue 4, 043201, (April 2012) https://doi.org/10.1117/12.10.1117/1.OE.51.4.043201

KEYWORDS: Cameras, Imaging systems, Distortion, Data modeling, Image resolution, Electronic components, Image registration, Stereoscopic cameras, Sensors, Digital cameras

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SPIE Journal Paper | 6 April 2012

Local color correction with three dimensional point set registration for underwater stereo images

Hyoungchul Shin, Ukil Yang, Kwanghoon Sohn

OE, Vol. 51, Issue 4, 047002, (April 2012) https://doi.org/10.1117/12.10.1117/1.OE.51.4.047002

KEYWORDS: Image registration, 3D image processing, RGB color model, Image processing, Stereoscopic cameras, Mirrors, Light scattering, Optical engineering, Calibration, Visibility

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Proceedings Article | 28 February 2012 Paper

An independent motion and disparity vector prediction method for multiview video coding

Seungchul Ryu, Jungdong Seo, Dong Hyun Kim, Jin Young Lee, Ho-Cheon Wey, Kwanghoon Sohn

Proceedings Volume 8288, 828826 (2012) https://doi.org/10.1117/12.905732

KEYWORDS: Video, Video coding, Cameras, Video compression, Chromium, Standards development, Electronics engineering, Stereoscopic displays, Electronic imaging, Current controlled current source

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Proceedings Article | 28 February 2012 Paper

Geometry compensation using depth and camera parameters for three-dimensional video coding

Dong Hyun Kim, Jungdong Seo, Seungchul Ryu, Jin Young Lee, Ho-Cheon Wey, Kwanghoon Sohn

Proceedings Volume 8288, 828827 (2012) https://doi.org/10.1117/12.906133

KEYWORDS: Video, Video coding, Cameras, Neodymium, 3D video compression, Video compression, Stereoscopic cameras, Photonic integrated circuits, Surface conduction electron emitter displays, Electronics

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SPIE Journal Paper | 6 February 2012

Visual fatigue modeling and analysis for stereoscopic video

Jaeseob Choi, Donghyun Kim, Sunghwan Choi, Kwanghoon Sohn

OE, Vol. 51, Issue 1, 017206, (February 2012) https://doi.org/10.1117/12.10.1117/1.OE.51.1.017206

KEYWORDS: Visualization, Video, Visual analytics, Visual process modeling, Principal component analysis, Cameras, 3D displays, 3D image processing, Optical engineering, Image fusion

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SPIE Journal Paper | 1 July 2011

Depth adjustment for stereoscopic images and subjective preference evaluation

Donghyun Kim, Sunghwan Choi, Kwanghoon Sohn

JEI, Vol. 20, Issue 03, 033011, (July 2011) https://doi.org/10.1117/12.10.1117/1.3624499

KEYWORDS: Visualization, Image fusion, Cameras, Stereo holograms, 3D image processing, Sensors, Image filtering, Control systems, Video, Eye

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SPIE Journal Paper | 1 April 2011

Semiautomatic zoom lens calibration based on the camera's rotation

Juhyun Oh, Kwanghoon Sohn

JEI, Vol. 20, Issue 02, 023006, (April 2011) https://doi.org/10.1117/12.10.1117/1.3574403

KEYWORDS: Calibration, Zoom lenses, Cameras, Sensors, Distortion, Error analysis, Imaging systems, Head, Autoregressive models, Optical flow

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Proceedings Article | 16 February 2011 Paper

Multiview video codec based on KTA techniques

Jungdong Seo, Donghyun Kim, Seungchul Ryu, Kwanghoon Sohn

Proceedings Volume 7863, 786328 (2011) https://doi.org/10.1117/12.876621

KEYWORDS: Video, Video coding, Quantization, Digital filtering, Standards development, Motion estimation, Signal processing, Computer programming, Scalable video coding, Content addressable memory

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Proceedings Article | 11 February 2011 Paper

Visual fatigue monitoring system based on eye-movement and eye-blink detection

Donghyun Kim, Sunghwan Choi, Jaeseob Choi, Hyoungchul Shin, Kwanghoon Sohn

Proceedings Volume 7863, 786303 (2011) https://doi.org/10.1117/12.873354

KEYWORDS: Eye, Visualization, Video, Infrared cameras, Cameras, Infrared radiation, Infrared imaging, Imaging systems, Light sources, Calibration

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SPIE Journal Paper | 1 October 2010

Illumination-invariant color space and its application to skin-color detection

Ukil Yang, Bongjoe Kim, Kar-Ann Toh, Kwanghoon Sohn

OE, Vol. 49, Issue 10, 107004, (October 2010) https://doi.org/10.1117/12.10.1117/1.3497058

KEYWORDS: RGB color model, Cameras, Data acquisition, Image acquisition, Visual process modeling, Image processing, Optical engineering, Data modeling, Skin, Black bodies

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SPIE Journal Paper | 1 October 2010

Automatic radial distortion correction in zoom lens video camera

Daehyun Kim, Hyoungchul Shin, Juhyun Oh, Kwanghoon Sohn

JEI, Vol. 19, Issue 04, 043010, (October 2010) https://doi.org/10.1117/12.10.1117/1.3503524

KEYWORDS: Distortion, Zoom lenses, Data modeling, Cameras, Video, Statistical modeling, Error analysis, Imaging systems, Visual process modeling, Statistical analysis

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SPIE Journal Paper | 1 August 2009

CIECAM02-based tone mapping technique for color image contrast enhancement

Minsung Kang, Bongjoe Kim, Kwanghoon Sohn

OE, Vol. 48, Issue 08, 087001, (August 2009) https://doi.org/10.1117/12.10.1117/1.3191785

KEYWORDS: RGB color model, Image contrast enhancement, Image enhancement, Optical engineering, Computer programming, LCDs, Image analysis, Eye, Visual system, Color difference

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Proceedings Article | 18 February 2009 Paper

Depth map quality metric for three-dimensional video

Donghyun Kim, Dongbo Min, Juhyun Oh, Seonggyu Jeon, Kwanghoon Sohn

Proceedings Volume 7237, 723719 (2009) https://doi.org/10.1117/12.806898

KEYWORDS: Video, 3D video compression, Visualization, Video compression, Cameras, 3D acquisition, 3D displays, Image quality, Quality measurement, Televisions

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Proceedings Article | 18 February 2009 Paper

Compressed stereoscopic video quality metric

Jungdong Seo, Donghyun Kim, Kwanghoon Sohn

Proceedings Volume 7237, 723712 (2009) https://doi.org/10.1117/12.807024

KEYWORDS: Video, Image processing, Video compression, Stereoscopic displays, Image resolution, Image quality, Video processing, Image compression, Video coding, Eye

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SPIE Journal Paper | 1 February 2008

Face relighting based on virtual irradiance sphere and reflection coefficient

Heechul Han, Kwanghoon Sohn

OE, Vol. 47, Issue 02, 027204, (February 2008) https://doi.org/10.1117/12.10.1117/1.2857451

KEYWORDS: Light sources, Optical spheres, 3D modeling, Facial recognition systems, 3D image processing, Optical engineering, Image restoration, Light sources and illumination, Reflectivity, Data modeling

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Proceedings Article | 17 October 2007 Paper

View synthesis for uncalibrated camera

Jungdong Seo, Jihyun Kang, Kwanghoon Sohn

Proceedings Volume 6778, 67780F (2007) https://doi.org/10.1117/12.735567

KEYWORDS: Image processing, Cameras, Reconstruction algorithms, Televisions, 3D vision, Distortion, Transform theory, Sensors, Image analysis, Computer programming

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Proceedings Article | 26 September 2007 Paper

Image stitch-based multiview video coding

Kwanghoon Sohn, Yongtae Kim, Hyunsuk Ko, Jungdong Seo

Proceedings Volume 6778, 677818 (2007) https://doi.org/10.1117/12.753385

KEYWORDS: Video coding, Video, Computer programming, Image compression, Motion estimation, Cameras, Panoramic photography, Microchannel plates, Video compression, 3D displays

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SPIE Journal Paper | 1 June 2007

Face recognition using facial shape indices with two different three-dimensional sensors

Hwanjong Song, Hyoungchul Shin, Sangyoun Lee, Kwanghoon Sohn

OE, Vol. 46, Issue 06, 067201, (June 2007) https://doi.org/10.1117/12.10.1117/1.2744386

KEYWORDS: Facial recognition systems, 3D image processing, Head, Databases, 3D modeling, Sensors, Feature extraction, 3D acquisition, Computer programming, Optical engineering

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SPIE Journal Paper | 1 July 2006

Deinterlacing with selective motion compensation

Taeuk Jeong, Younghie Kim, Kwanghoon Sohn, Chulhee Lee

OE, Vol. 45, Issue 07, 077001, (July 2006) https://doi.org/10.1117/12.10.1117/1.2218851

KEYWORDS: Video, Motion estimation, Video compression, Optical engineering, Nonlinear filtering, Digital filtering, Motion analysis, Optical filters, Electronics engineering, Televisions

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SPIE Journal Paper | 1 March 2006

Real-time disparity estimation using foreground segmentation for stereo sequences

HanSung Kim, Dongbo Min, Shinwoo Choi, Kwanghoon Sohn

OE, Vol. 45, Issue 03, 037402, (March 2006) https://doi.org/10.1117/12.10.1117/1.2183667

KEYWORDS: Image segmentation, Image processing algorithms and systems, Lamps, Head, Optical engineering, Digital signal processing, Cameras, Signal processing, Stereoscopic cameras, Image processing

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Proceedings Article | 15 November 2005 Paper

Real-time depth reconstruction from stereo sequences

Hansung Kim, Shinwoo Choi, Kwanghoon Sohn

Proceedings Volume 6016, 60160E (2005) https://doi.org/10.1117/12.630397

KEYWORDS: Cameras, Image segmentation, Reconstruction algorithms, Stereoscopic cameras, 3D modeling, Digital signal processing, Imaging systems, Virtual reality, Real-time computing, Image processing algorithms and systems

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Proceedings Article | 14 March 2005 Paper

The fast stereo sequence compression using edge-directional joint disparity-motion estimation

Yongtae Kim, Changseob Park, Jaeho Lee, Kwanghoon Sohn

Proceedings Volume 5685, (2005) https://doi.org/10.1117/12.586699

KEYWORDS: Motion estimation, Computer programming, Digital filtering, Cameras, 3D image processing, Stereoscopy, Imaging systems, Video, Error analysis, Edge detection

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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 May 2004

Rapid hybrid interpolation methods

Chulhee Lee, Seongduk Cho, Wonseok Ahn, Kwanghoon Sohn

OE, Vol. 43, Issue 05, (May 2004) https://doi.org/10.1117/12.10.1117/1.1666866

KEYWORDS: Image processing, Optical engineering, Video, Video compression, Video processing, Digital cameras, Optical filters, Signal processing, Image quality, Motion estimation

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Proceedings Article | 18 January 2004 Paper

Accurate bit rate and quality control for 3D multiview sequences

JeongEun Lim, Kwanghoon Sohn

Proceedings Volume 5308, (2004) https://doi.org/10.1117/12.524967

KEYWORDS: Quantization, Computer programming, 3D modeling, Detection and tracking algorithms, Image quality, 3D acquisition, Motion models, 3D image processing, Motion estimation, Distortion

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Proceedings Article | 30 May 2003 Paper

Hierarchical depth estimation for image synthesis in mixed reality

HanSung Kim, Kwanghoon Sohn

Proceedings Volume 5006, (2003) https://doi.org/10.1117/12.473879

KEYWORDS: Cameras, Image analysis, Virtual reality, Reliability, Image filtering, Linear filtering, Image processing, Optical filters, Image resolution, Stereoscopic cameras

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Proceedings Article | 7 May 2003 Paper

Deinterlacing using directional interpolation and motion compensation

Ohjae Kwon, Kwanghoon Sohn, Chulhee Lee

Proceedings Volume 5022, (2003) https://doi.org/10.1117/12.476373

KEYWORDS: Motion estimation, Video, Detection and tracking algorithms, Digital filtering, Biometrics, Telecommunications, Video processing, Motion detection, Visualization, LCDs

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SPIE Journal Paper | 1 November 2001

Error-resilient zerotree wavelet video coding

Kwanghoon Sohn, Chulhee Lee, Jungryul Ryou, Woo-Young Jang

OE, Vol. 40, Issue 11, (November 2001) https://doi.org/10.1117/12.10.1117/1.1409940

KEYWORDS: Wavelets, Video coding, Wavelet transforms, Image compression, Computer programming, Optical engineering, Video, Algorithm development, 3D image processing, Image processing algorithms and systems

Proceedings Article | 28 August 2001 Paper

Directional interpolation using neural networks

Chulhee Lee, Bongjun Lee, Kwanghoon Sohn

Proceedings Volume 4388, (2001) https://doi.org/10.1117/12.438261

KEYWORDS: Neural networks, Brain, Neuroimaging, 3D image processing, Magnetic resonance imaging, Image processing, Evolutionary algorithms, Magnetism, Distortion, Space operations

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Proceedings Article | 22 June 2001 Paper

Optical design and analysis for super multiview three-dimensional imaging system

Sung-Sik Kim, Kwanghoon Sohn, Vladimir Savaljev, Eugene Pen, Jung-Young Son, Joohwan Chun

Proceedings Volume 4297, (2001) https://doi.org/10.1117/12.430820

KEYWORDS: 3D image processing, Light sources, Imaging systems, Imaging arrays, 3D image reconstruction, Optical design, Microlens array, Stereoscopy, Geometrical optics, Eye

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SPIE Journal Paper | 1 May 2001

Error-resilient zero-tree wavelet image coding technique over noisy channels

Woo-Young Jang, Jung Kyu Ryou, Chulhee Lee, Kwanghoon Sohn

OE, Vol. 40, Issue 05, (May 2001) https://doi.org/10.1117/12.10.1117/1.1357192

KEYWORDS: Wavelets, Image compression, Wavelet transforms, Computer programming, Forward error correction, Error analysis, Algorithm development, Optical engineering, Computer simulations, Automatic repeat request

Proceedings Article | 28 December 2000 Paper

Automated segmentation of three-dimensional sagittal brain MR images by masking and restoration operations

Shin Huh, Kwanghoon Sohn, Chulhee Lee

Proceedings Volume 4115, (2000) https://doi.org/10.1117/12.411580

KEYWORDS: Image segmentation, Brain, Neuroimaging, Magnetic resonance imaging, Image processing algorithms and systems, 3D image processing, Surgery, Tissues, Algorithm development, Medical imaging

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Proceedings Article | 17 July 2000 Paper

Three-dimensional interpolation for brain MR images

Chulhee Lee, Shin Huh, Kwanghoon Sohn

Proceedings Volume 4044, (2000) https://doi.org/10.1117/12.391919

KEYWORDS: Brain, 3D image processing, Neuroimaging, Magnetic resonance imaging, Surgery, Magnetism, Optical spheres, 3D image reconstruction, Space operations, Signal to noise ratio

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Proceedings Article | 30 May 2000 Paper

Error-resilient video coding technique based on wavelet transform

Kwanghoon Sohn, Chulhee Lee, Woo-Young Jang

Proceedings Volume 4067, (2000) https://doi.org/10.1117/12.386636

KEYWORDS: Wavelets, Image compression, Video coding, Wavelet transforms, Computer programming, 3D image processing, Computer simulations, Algorithm development, Signal to noise ratio, Video

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Proceedings Article | 10 October 1994 Paper

Consistent object representation method for computer vision applications

Kwanghoon Sohn, Jung Kim, Winser Alexander

Proceedings Volume 2353, (1994) https://doi.org/10.1117/12.188889

KEYWORDS: Corner detection, Chromium, Annealing, Machine vision, Computer vision technology, Image segmentation, Detection and tracking algorithms, Object recognition, Neural networks, Visual system

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Proceedings Article | 16 September 1992 Paper

Efficient matching algorithm by a hybrid Hopfield network for object recognition

Jung Kim, Sung Yoon, Yong Kim, Evi Park, Celestine Ntuen, Kwanghoon Sohn

Proceedings Volume 1709, (1992) https://doi.org/10.1117/12.139967

KEYWORDS: Neurons, Neural networks, Image segmentation, Object recognition, Detection and tracking algorithms, Artificial neural networks, Digital image processing, Differential equations, Binary data, Image processing

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Showing 5 of 49 publications

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