Difference between revisions of "Woo-Shik Kim"

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== Woo-Shik Kim ==
 
== Woo-Shik Kim ==
  
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http://biron.usc.edu/~godwinsh/me.jpg
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Ph.D.
  
−
Ph.D. Candidate
+
Senior Staff Engineer
  
−
Department of Electrical Engineering - Systems
+
Qualcomm Technologies, Inc.
  
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University of Southern California
+
E-mail: wooshikk@qti.qualcomm.com
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Los Angeles, CA
 
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E-mail: godwinsh@usc.edu
 
  
 
Advisor: [http://sipi.usc.edu/~ortega Antonio Ortega]
 
Advisor: [http://sipi.usc.edu/~ortega Antonio Ortega]
  
 +
[http://biron.usc.edu/~wooshikk/SDC11722.JPG My Photo]
  
 
== Research Interests ==
 
== Research Interests ==
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*Energy-Efficient Data Compression for Wireless Sensor Networks
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*Multimedia processing
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*Image Compression
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*Image/video compression
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*Wavelet Transforms
+
*3-D video processing
  
  
 
== Education ==
 
== Education ==
−
*Sep. 2005-present:    University of Southern California, Los Angeles, CA  
+
*Aug. 2006-Aug. 2011:    University of Southern California, Los Angeles, CA, USA
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**Ph.D. student, Department of Electrical Engineering-Systems
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**Ph.D., Department of Electrical Engineering
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*Sep. 2005-May 2007:  University of Southern California, Los Angeles, CA
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*Mar. 1999-Feb. 2001:  Sogang University, Seoul, Korea
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**Master of Science in Electrical Engineering, May 2007, Department of Electrical Engineering-Systems
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**Master of Science in Electrical Engineering, May 2007, Department of Electrical Engineering
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*Sep. 2001-Jun. 2005:  California State Polytechnic University, Pomona
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*Mar. 1992-Feb. 1999:  Sogang University, Seoul, Korea
 
**Bachelor of Science in Electrical Engineering, Jun. 2005, Department of Electrical Engineering
 
**Bachelor of Science in Electrical Engineering, Jun. 2005, Department of Electrical Engineering
  
  
 
== Professional Experience ==
 
== Professional Experience ==
−
*[http://jpl.nasa.gov Jet Propulsion Laboratory]:  May 2008-Aug. 2008
 
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**Intern in Information Processing Group
 
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**Research in Distributed Data Compression
 
  
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*[http://www.raytheon.com Raytheon]:  May 2003-Aug. 2005
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*[http://www.ti.com Texas Instruments]:  Jul. 2011-Feb. 2013
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**Intern in Systems Engineering
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**Member of Technical Staff
−
**System Specification and Test for Air Defense Systems
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**Research in video compression and processing
 +
 
 +
*[http://www.technicolor.com Technicolor Research Center]:  May 2009-Aug. 2009
 +
**Intern
 +
**Research in 3-D video processing
 +
 
 +
*[http://www.dolby.com Dolby Laboratories]:  May 2008-Aug. 2008
 +
**Intern
 +
**Research in high quality video compression
  
 +
*[http://www.merl.com Mitsubishi Electric Research Laboratories]:  May 2007-Aug. 2007
 +
**Intern
 +
**Research in scalable video coding
  
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== Fellowships / Awards ==
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*[http://www.sait.samsung.co.kr/eng/main.jsp Samsung Advanced Institute of Technology]:  Jan. 2001-Jul. 2006
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*USC Viterbi School of Engineering Doctoral Fellowship (Sep. 2005-May 2009)
+
**Research Staff in Multimedia Lab.
 +
**Research in video compression
  
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*NASA Space Grant Award (May 2008-Aug. 2008)
+
== Honors and Awards ==
 +
* Winner of the Top 10% Paper Award at the IEEE MMSP Conference 2011
 +
* Winner of the Best Paper Award at the Samsung Technical Conference 2004
  
−
*NASA Pair Grant Award (Sep. 2004-Jun. 2005)
+
 
 +
== Summary of Main Research ==
 +
* 3-D video processing
 +
** Distortion analysis in depth image based rendering (DIBR) system
 +
** Depth map compression
 +
** Multiview video compression
 +
* Distributed video coding
 +
* High-quality video coding
 +
** RGB video coding using residual color transform (RCT) and inter-plane prediction (IPP)
 +
** 4:4:4 10-bit video coding techniques, such as intra prediction, motion interpolation/prediction, quantization, entropy coding (CABAC), RD optimized mode selection, etc
 +
* Visually lossless coding
 +
** Real-time visually lossless codec for liquid crystal display (LCD) dynamic charge capacitance (DCC) device
 +
** Real-time visually lossless codec for display driver IC (DDI) in mobile phone
 +
* MPEG-4 AVC/H.264 international standardization
 +
** Participating in the international standardization of H.264/MPEG-4 AVC Baseline/Main/Hi Profiles
 +
** Participating in the H.264/MPEG-4 AVC reference S/W implementation
 +
* Joint source channel coding
 +
** Rectangular slice structure for subjective quality enhancements in error-prone environment, using region of interest scheme (Adopted in MPEG-4 AVC/H.264 Baseline Profile as slice group map type 2)
 +
** RD-optimized mode selection considering error-prone environment.
 +
* Codec speed optimization
 +
** Speed optimization of MPEG-4 Core Profile decoder for DSP
 +
** Speed optimization of MPEG-4 Simple Profile encoder for ARM9
  
  
 
== Skills / Tools ==
 
== Skills / Tools ==
−
*Proficient in C/C++, MatLab.
+
*Proficient in C/C++, MatLab
−
*Working knowledge of Windows and UNIX systems.
+
*Working knowledge of Windows and UNIX systems
  
  
 
== Publications ==
 
== Publications ==
−
<ul>
 
−
<li> G. Shen and A. Ortega, "Transform-based Distributed Data Gathering". <i>In Review for IEEE Transactions on Signal Processing</i>.
 
−
[http://arxiv.org/abs/0909.5177v3 <small><b>arXiv:0909.5177v3</b></small>]</ul>
 
  
−
<ul>
+
* Recent Papers
−
<li> S.K. Narang, G. Shen and A. Ortega, "Unidirectional Graph-based Wavelet Transforms for Efficient Data Gathering in Sensor Netowkrs". <i>To Appear in 2010 IEEE Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP'10),</i> Dallas, April 2010.</ul>
+
** W.-S. Kim, S. K. Narang, and A. Ortega, "Graph based transforms for depth video coding," Proc. of IEEE Intl. Conf. Acoustics, Speech, and Signal Proc. (ICASSP 2012), Kyoto, Japan, Mar. 2012.
 +
** G. Cheung, W.-S. Kim, A. Ortega, J. Ishida, and A. Kubota, "Depth map coding using graph based transform and transform domain sparsification," Proc. of IEEE Intl. Workshop on Multimedia Signal Proc., Hangzhou, China, Oct. 2011. (Top 10% Paper Award)
 +
** W.-S. Kim, A. Ortega, J. Lee, and H. Wey, "3-D video quality improvement using depth transition data," Proc. of IEEE Intl. Workshop on Hot Topics in 3D (Hot 3D 2011), Barcelona, Spain, Jul. 2011. [http://biron.usc.edu/~wooshikk/DepthTrans_ICME2011_Hot3D_wskim_Final.pdf <small><b>PDF format</b></small>]
 +
** W.-S. Kim, A. Ortega, J. Lee, and H. Wey, "3-D video coding using depth transition data," in Proc. of 28th Picture Coding Symposium (PCS ‘10), Nagoya, Japan, Dec. 2010.  [http://biron.usc.edu/~wooshikk/3DVideoAUX_PCS2010_wskim.pdf <small><b>PDF format</b></small>]
 +
** G. Shen, W.-S. Kim, S. K. Narang, A. Ortega, J. Lee, and H. Wey, "Edge-adaptive transforms for efficient depth-map coding," in Proc. of 28th Picture Coding Symposium (PCS ‘10), Nagoya, Japan, Dec. 2010.  [http://biron.usc.edu/~wooshikk/PCS10.pdf <small><b>PDF format</b></small>]
 +
** G. Shen, W.-S. Kim, A. Ortega, J. Lee, and H. Wey, "Edge-aware intra prediction for depth-map coding". in Proc. of IEEE Intl. Conf. Image Proc. (ICIP ‘10), Hong Kong, Sep. 2010.  [http://biron.usc.edu/~wooshikk/ICIP10.pdf <small><b>PDF format</b></small>]
 +
** W.-S. Kim, A. Ortega, P. Lai, D. Tian, and C. Gomila, “Depth map coding with distortion estimation of rendered view,” in Proc. of SPIE Visual Information Processing and Communication (VIPC ‘10), San Jose, CA, USA, Jan. 2010.  [http://biron.usc.edu/~wooshikk/DepthCoding_VIPC10_wskim.pdf <small><b>PDF format</b></small>]
 +
** W.-S. Kim, A. Ortega, P. Lai, D. Tian, and C. Gomila, “Depth map distortion analysis for view rendering and depth coding,” in Proc. of IEEE Int. Conf. Image Proc. (ICIP ‘09), Cairo, Egypt, Nov. 2009. [http://biron.usc.edu/~wooshikk/DepthCoding_ICIP09_wskim_FinalRevision.pdf <small><b>PDF format</b></small>]
  
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<ul>
 
−
<li> A. Sanchez, G. Shen and A. Ortega, "Edge-preserving Depth-map Coding Using Graph-based Wavelets". <i>In Proc. of Asilomar 2009,</i> Pacific Grove, October 2009.
 
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[http://biron.usc.edu/~godwinsh/Papers/Asilomar.pdf <small><b>PDF format</b></small>]</ul>
 
  
−
<ul>
+
* Thesis
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<li> P. Tarrio, G. Valenzise, G. Shen and A. Ortega, "Distributed Network Configuration for Wavelet-based Compression in Sensor Networks". <i>In Proc. of Third Intl. Conf. on Geosensor Networks (GSN'09),</i> Oxford, July 2009.
+
** Woo-Shik Kim, “3-D video coding system with enhanced rendered view quality,” Ph. D. dissertation, Univ. Southern California, Aug. 2011.
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[http://biron.usc.edu/~godwinsh/Papers/GSN09.pdf <small><b>PDF format</b></small>]</ul>
+
** Woo-Shik Kim, “Rate-distortion optimized mode selection for error resilience in MPEG-4 video coding,” Masters Thesis, Sogang Univ., 2001.
  
−
<ul>
 
−
<li> G. Shen and A. Ortega, "Tree-Based Wavelets for Image Coding: Orthogonalization and Tree Selection". <i>In Proc. of 2009 Picture Coding Symposium (PCS'09),</i> Chicago, May 2009.
 
−
[http://biron.usc.edu/~godwinsh/Papers/PCS09.pdf <small><b>PDF format</b></small>]</ul>
 
  
−
<ul>
+
* International Journal Papers
−
<li> G. Shen, S. Pattem and A. Ortega, "Energy-efficient Graph-based Wavelets for Distributed Coding in Wireless Sensor Networks". <i>In Proc. of 2009 IEEE Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP'09),</i> Taipei, April 2009.
+
** W.-S. Kim, D. Cho, D. Birinov, H. M. Kim, S.-H. Lee, and Y.-S. Seo, “RGB video coding using residual color transform,” Samsung Journal of Innovative Technology, vol. 1, no. 1, Aug. 2005. [http://biron.usc.edu/~wooshikk/SamsungJournal_vol1_RGB.pdf <small><b>PDF format</b></small>]
−
[http://biron.usc.edu/~godwinsh/Papers/ICASSP09_Broadcast.pdf <small><b>PDF format</b></small>]</ul>
+
** W.-S. Kim and R.-H. Park, “Rate-distortion optimized intra update for error resilience in MPEG-4 video coding,” Intl. J. Image Systems and Tech., vol. 13, no. 6, pp. 341-347, 2003. [http://biron.usc.edu/~wooshikk/IJIST_vol13_RDO.pdf <small><b>PDF format</b></small>]
 +
** W.-S. Kim, I.-S. Park, S.-H. Park, B.-U. Lee, and R.-H. Park, “Conformance test of simple profile MPEG-4 texture decoding,” Journal of Electronic Imaging, vol. 11, no. 3, pp. 375-380, Jul. 2002. [http://biron.usc.edu/~wooshikk/JEI_vol11_MP4Conf.pdf <small><b>PDF format</b></small>]
  
−
<ul>
 
−
<li> G. Shen, S. Narang and A. Ortega, "Adaptive Distributed Transforms for Irregularly Sampled Wireless Sensor Networks". <i>In Proc. of 2009 IEEE Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP'09),</i> Taipei, April 2009.
 
−
[http://biron.usc.edu/~godwinsh/Papers/ICASSP09_Filter_Opt.pdf <small><b>PDF format</b></small>]</ul>
 
  
−
<ul>
+
* International Conference Papers
−
<li> S. Pattem, G. Shen, Y. Chen, B. Krishnamachari and A. Ortega, "SenZip: An Architecture for Distributed En-route Compression in Wireless Sensor Networks". <i>In Workshop on Sensor Networks for Earth and Space Science Applications (ESSA'09),</i> San Francisco, April 2009.
+
** S. Liu, W.-S. Kim, and A. Vetro, “Bit-depth scalable coding for high dynamic range video,” VCIP '08, San Jose, California, USA, Jan. 2008.
−
[http://biron.usc.edu/~godwinsh/Papers/ESSA09.pdf <small><b>PDF format</b></small>]</ul>
+
** W.-S. Kim, D. Cho, and H. M. Kim, “Residue sampling for image and video compression,” VCIP '05, Beijing, China, Aug. 2005. [http://biron.usc.edu/~wooshikk/VCIP2005_ResidueSampling_v2.pdf <small><b>PDF format</b></small>]
 +
** W.-S. Kim, D. Cho, H. M. Kim, and S. Sun, “New High Fidelity RGB Video Coding,” Workshop on Future Directions in Video Compression, Busan, Korea, Apr. 2005.
 +
** W.-S. Kim, D. Cho, and H. M. Kim, “Inter-plane prediction for RGB coding,” ICIP '04, Singapore, Oct. 2004. [http://biron.usc.edu/~wooshikk/ICIP2004-ID1786_IPP.pdf <small><b>PDF format</b></small>]
 +
** H. M. Kim, W.-S. Kim, and D. Cho, “A new color transform for RGB coding,” ICIP '04, Singapore, Oct. 2004. [http://biron.usc.edu/~wooshikk/ICIP2004-ID1803_CT.pdf <small><b>PDF format</b></small>]
 +
** W.-S. Kim, I.-S. Park, S.-H. Park, B.-U. Lee, and R.-H. Park, “Static test of MPEG-4 visual decoders,” IAPR Workshop on Machine Vision Applications 2000, Tokyo, Japan, Nov. 2000.
 +
** W.-S. Kim and R.-H. Park, “Fast ICP algorithm using a one-dimensional search,” IAPR Workshop on Machine Vision Applications 2000, Tokyo, Japan, Nov. 2000.
 +
** K.-S. Yoon, B.-U. Lee, R.-H. Park, and W.-S. Kim, “Registration of range images considering depth measurement error,” IAPR Workshop on Machine Vision Applications 2000, Tokyo, Japan, Nov. 2000.
  
−
<ul>
 
−
<li> G. Shen and A. Ortega, "Compact Image Representation Using Wavelet Lifting Along Arbitrary Trees". <i>In Proc. of 2008 IEEE Intl. Conf. on Image Processing (ICIP'08),</i> San Diego, October 2008.
 
−
[http://biron.usc.edu/~godwinsh/Papers/ICIP08ShenOrtega.pdf <small><b>PDF format</b></small>]</ul>
 
  
−
<ul>
+
* Book Chapters
−
<li> G. Shen and A. Ortega, "Joint Routing and 2D Transform Optimization for Irregular Sensor Network Grids Using Wavelet Lifting". <i>In Proc. of Fifth Intl. Conf. on Information Processing in Sensor Networks (IPSN'08),</i> St. Louis, April 2008.
+
** G. Cheung et al, Depth map compression for depth-image-based rendering, 3DTV System with Depth-Image-Based Rendering: Architectures, Techniques and Challenges, Springer, to be published.
−
[http://biron.usc.edu/~godwinsh/Papers/IPSN08ShenOrtega.pdf <small><b>PDF format</b></small>]</ul>
+
** D.-K. Kwon et al, Video compression, The Mobile Communications Handbook, third edition, CRC Press, to be published.
  
−
<ul>
+
== Contributions to International Standardization ==
−
<li> G. Shen and A. Ortega, "Optimized Distributed 2D Transforms for Irregularly Sampled Sensor Network Grids Using Wavelet Lifting". <i>In Proc. of 2008 IEEE Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP'08),</i> Las Vegas, April 2008.
+
* W.-S. Kim, D.-K. Kwon, "CE8 Subset c: Necessity of Sign Bits for SAO Offsets," ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11, Document JCTVC-H0434, Feb. 2012.
−
[http://biron.usc.edu/~godwinsh/Papers/ICASSP08ShenOrtega.pdf <small><b>PDF format</b></small>]</ul>
+
* W.-S. Kim, D.-K. Kwon, "CE8 Subset d.1: Reduced Number of Band Offsets in SAO," ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11, Document JCTVC-H0436, Feb. 2012.
 +
* W.-S. Kim, D.-K. Kwon, "Non-CE8: New Chroma Band Offset (BO) Design in SAO," ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11, Document JCTVC-H0438, Feb. 2012.
 +
* W.-S. Kim, D.-K. Kwon, "Non-CE8: Method of visual coding artifact removal for SAO," ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11, Document JCTVC-G680, Nov. 2011.
 +
* W.-S. Kim, D.-K. Kwon, "Non-CE8: Reduced number of band offsets in SAO," ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11, Document JCTVC-G682, Nov. 2011.
 +
* W.-S. Kim, O. G. Sezer, M. Budagavi, "Subjective Tests on ALF and SAO Using HM-4.0," ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11, Document JCTVC-G684, Nov. 2011.
 +
* W.-S. Kim, P. Pahalawatta, Z. Li, A. M. Tourapis, “New video quality metrics in the H.264 reference software,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-AB031, Jul. 2008.
 +
* S. Liu, A. Vetro, W.-S. Kim “Inter-layer prediction for bit-depth scalability,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-X075, Jul. 2007.
 +
* W.-S. Kim, D. Cho, D. Birinov, H. M. Kim, “Advanced residual color transform,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-Q059, Oct. 2005.
 +
* W.-S. Kim, D. Cho, D. Birinov, H. M. Kim, “Verification and analysis of experiments in JVT-P017,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-Q058, Oct. 2005.
 +
* W.-S. Kim, D. Birinov, D. Cho, H. M. Kim, “Study on advanced 4:4:4 coding,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-P049, Jul. 2005.
 +
* W.-S. Kim, D. Birinov, D. Cho, H. M. Kim, “Further experimental results on 4:4:4 coding,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-P048, Jul. 2005.
 +
* W.-S. Kim, D. Birinov, D. Cho, H. M. Kim, “Enhancements to RGB coding in H.264/MPEG-4 AVC FRExt,” ITU-T SG16 Q.6, Document VCEG-Z16, Apr. 2005.
 +
* W.-S. Kim, D. Birinov, H. M. Kim, “Additional experimental results on residue sampling (JVT-K018),” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-L028, Jul. 2004.
 +
* W.-S. Kim, D. Birinov, H. M. Kim, “Residue color transform,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-L025, Jul. 2004.
 +
* W.-S. Kim, J.-H. Park, D. Cho, H. M. Kim, “Alpha channel coding using the JVT coding tools,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-K019, Mar. 2004.
 +
* W.-S. Kim, D. Birinov, H. M. Kim, “Adaptive residue transform and sampling,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-K018, Mar. 2004.
 +
* W.-S. Kim, H. M. Kim, “Residue transform,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-J038, Dec. 2003.
 +
* W.-S. Kim, D. Cho, H. M. Kim, “Reference software supporting n-bit and 4:4:4 chroma format,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-J025, Dec. 2003.
 +
* W.-S. Kim, D. Cho, H. M. Kim, “Proposal for the unsolved issues in Professional Extensions II,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-J018, Dec. 2003.
 +
* W.-S. Kim, D. Cho, H. M. Kim, “Inter-plane prediction for RGB coding II,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-J017, Dec. 2003.
 +
* W.-S. Kim, D. Cho, H. M. Kim, “Proposal for alpha channel coding,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-J016, Dec. 2003.
 +
* W.-S. Kim, D. Cho, H. M. Kim, “Inter-plane prediction for RGB coding,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-I023, Sep. 2003.
 +
* W.-S. Kim, D. Cho, H. M. Kim, “Proposal for the unsolved issues in Professional Extensions,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-I012, Jul. 2003.
 +
* W.-S. Kim, D. Cho, H. M. Kim, “Color format extension,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-H018, May 2003.
 +
* W.-S. Kim, K.-W. Kim, “Parallel processing issue in main profile,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-F059,” Dec. 2002.
 +
* W.-S. Kim, D. Cho, K.-W. Kim, “Intra prediction enhancements,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-E051, Oct. 2002.
 +
* W.-S. Kim, D. Cho, K.-W. Kim, “Complexity reduction of plane mode in chroma intra prediction,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-E050, Oct. 2002.
 +
* W.-S. Kim, D. Cho, S.-H. Lee, “Clarification of FMO mode 3,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-E049, Oct. 2002.
 +
* W.-S. Kim, Ye-Kui Wang, Miska M. Hannuksela, “Sub-picture coding with the reduced boundary effect,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-C096, May 2002.
 +
* W.-S. Kim, D. Cho, “Selection of quantization parameter for sub-picture coding,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-B087, Jan. 2002.
 +
* W.-S. Kim, D. Cho, “Results on core experiment of sub-picture coding,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-B086, Jan. 2002.
  
  
−
== Miscellaneous ==
+
== US Patents ==
−
<ul>
 
−
<li> G. Shen, S. Y. Lee, S. Lee, S. Pattem, A. Tu, B. Krishnamachari, A. Ortega, M. Cheng, S. Dolinar, A. Kiely, H. Xie, "Novel Distributed Wavelet Transforms and Routing Algorithms for Efficient Data Gathering in Sensor Webs". <i>Earth Science and Tech. Conf. (ESTC'08),</i> Adelphi, MD, June 2008.
 
−
[http://biron.usc.edu/~godwinsh/Papers/ESTC08.pdf <small><b>PDF format</b></small>]</ul>
 
  
−
<ul>
+
* 31 Registered / 30+ Pending (List available upon request)
−
<li> S. Lee, S. Pattem, G. Shen, A. Tu, B. Krishnamachari, A. Ortega, M. Cheng, S. Dolinar, A. Kiely, H. Xie, "A Distributed Wavelet Approach for Efficient Information Representation and Data Gathering in Sensor Webs". <i>NASA Science and Tech. Conf. (NSTC'07),</i> Adelphi, MD, May 2007.
 
−
[http://biron.usc.edu/~godwinsh/Papers/NSTC07.pdf <small><b>PDF format</b></small>]</ul>
 
  
  
 
== Related Links ==
 
== Related Links ==
−
*[http://biron.usc.edu/wiki/index.php/CompressionGroup/DSNProject Distributed Compression for Sensor Networks]
 
  
 
*[http://biron.usc.edu/wiki/index.php?title=CompressionGroup Compression Research Group]
 
*[http://biron.usc.edu/wiki/index.php?title=CompressionGroup Compression Research Group]
−
 
−
*[http://biron.usc.edu/wiki/index.php/Wavelets_on_Trees Source Code for Distributed Compression Algorithms]
 

Latest revision as of 10:57, 3 December 2014

Woo-Shik Kim

Ph.D.

Senior Staff Engineer

Qualcomm Technologies, Inc.

E-mail: wooshikk@qti.qualcomm.com

Advisor: Antonio Ortega

My Photo

Research Interests

  • Multimedia processing
  • Image/video compression
  • 3-D video processing


Education

  • Aug. 2006-Aug. 2011: University of Southern California, Los Angeles, CA, USA
    • Ph.D., Department of Electrical Engineering
  • Mar. 1999-Feb. 2001: Sogang University, Seoul, Korea
    • Master of Science in Electrical Engineering, May 2007, Department of Electrical Engineering
  • Mar. 1992-Feb. 1999: Sogang University, Seoul, Korea
    • Bachelor of Science in Electrical Engineering, Jun. 2005, Department of Electrical Engineering


Professional Experience

  • Texas Instruments: Jul. 2011-Feb. 2013
    • Member of Technical Staff
    • Research in video compression and processing

Honors and Awards

  • Winner of the Top 10% Paper Award at the IEEE MMSP Conference 2011
  • Winner of the Best Paper Award at the Samsung Technical Conference 2004


Summary of Main Research

  • 3-D video processing
    • Distortion analysis in depth image based rendering (DIBR) system
    • Depth map compression
    • Multiview video compression
  • Distributed video coding
  • High-quality video coding
    • RGB video coding using residual color transform (RCT) and inter-plane prediction (IPP)
    • 4:4:4 10-bit video coding techniques, such as intra prediction, motion interpolation/prediction, quantization, entropy coding (CABAC), RD optimized mode selection, etc
  • Visually lossless coding
    • Real-time visually lossless codec for liquid crystal display (LCD) dynamic charge capacitance (DCC) device
    • Real-time visually lossless codec for display driver IC (DDI) in mobile phone
  • MPEG-4 AVC/H.264 international standardization
    • Participating in the international standardization of H.264/MPEG-4 AVC Baseline/Main/Hi Profiles
    • Participating in the H.264/MPEG-4 AVC reference S/W implementation
  • Joint source channel coding
    • Rectangular slice structure for subjective quality enhancements in error-prone environment, using region of interest scheme (Adopted in MPEG-4 AVC/H.264 Baseline Profile as slice group map type 2)
    • RD-optimized mode selection considering error-prone environment.
  • Codec speed optimization
    • Speed optimization of MPEG-4 Core Profile decoder for DSP
    • Speed optimization of MPEG-4 Simple Profile encoder for ARM9


Skills / Tools

  • Proficient in C/C++, MatLab
  • Working knowledge of Windows and UNIX systems


Publications

  • Recent Papers
    • W.-S. Kim, S. K. Narang, and A. Ortega, "Graph based transforms for depth video coding," Proc. of IEEE Intl. Conf. Acoustics, Speech, and Signal Proc. (ICASSP 2012), Kyoto, Japan, Mar. 2012.
    • G. Cheung, W.-S. Kim, A. Ortega, J. Ishida, and A. Kubota, "Depth map coding using graph based transform and transform domain sparsification," Proc. of IEEE Intl. Workshop on Multimedia Signal Proc., Hangzhou, China, Oct. 2011. (Top 10% Paper Award)
    • W.-S. Kim, A. Ortega, J. Lee, and H. Wey, "3-D video quality improvement using depth transition data," Proc. of IEEE Intl. Workshop on Hot Topics in 3D (Hot 3D 2011), Barcelona, Spain, Jul. 2011. PDF format
    • W.-S. Kim, A. Ortega, J. Lee, and H. Wey, "3-D video coding using depth transition data," in Proc. of 28th Picture Coding Symposium (PCS ‘10), Nagoya, Japan, Dec. 2010. PDF format
    • G. Shen, W.-S. Kim, S. K. Narang, A. Ortega, J. Lee, and H. Wey, "Edge-adaptive transforms for efficient depth-map coding," in Proc. of 28th Picture Coding Symposium (PCS ‘10), Nagoya, Japan, Dec. 2010. PDF format
    • G. Shen, W.-S. Kim, A. Ortega, J. Lee, and H. Wey, "Edge-aware intra prediction for depth-map coding". in Proc. of IEEE Intl. Conf. Image Proc. (ICIP ‘10), Hong Kong, Sep. 2010. PDF format
    • W.-S. Kim, A. Ortega, P. Lai, D. Tian, and C. Gomila, “Depth map coding with distortion estimation of rendered view,” in Proc. of SPIE Visual Information Processing and Communication (VIPC ‘10), San Jose, CA, USA, Jan. 2010. PDF format
    • W.-S. Kim, A. Ortega, P. Lai, D. Tian, and C. Gomila, “Depth map distortion analysis for view rendering and depth coding,” in Proc. of IEEE Int. Conf. Image Proc. (ICIP ‘09), Cairo, Egypt, Nov. 2009. PDF format


  • Thesis
    • Woo-Shik Kim, “3-D video coding system with enhanced rendered view quality,” Ph. D. dissertation, Univ. Southern California, Aug. 2011.
    • Woo-Shik Kim, “Rate-distortion optimized mode selection for error resilience in MPEG-4 video coding,” Masters Thesis, Sogang Univ., 2001.


  • International Journal Papers
    • W.-S. Kim, D. Cho, D. Birinov, H. M. Kim, S.-H. Lee, and Y.-S. Seo, “RGB video coding using residual color transform,” Samsung Journal of Innovative Technology, vol. 1, no. 1, Aug. 2005. PDF format
    • W.-S. Kim and R.-H. Park, “Rate-distortion optimized intra update for error resilience in MPEG-4 video coding,” Intl. J. Image Systems and Tech., vol. 13, no. 6, pp. 341-347, 2003. PDF format
    • W.-S. Kim, I.-S. Park, S.-H. Park, B.-U. Lee, and R.-H. Park, “Conformance test of simple profile MPEG-4 texture decoding,” Journal of Electronic Imaging, vol. 11, no. 3, pp. 375-380, Jul. 2002. PDF format


  • International Conference Papers
    • S. Liu, W.-S. Kim, and A. Vetro, “Bit-depth scalable coding for high dynamic range video,” VCIP '08, San Jose, California, USA, Jan. 2008.
    • W.-S. Kim, D. Cho, and H. M. Kim, “Residue sampling for image and video compression,” VCIP '05, Beijing, China, Aug. 2005. PDF format
    • W.-S. Kim, D. Cho, H. M. Kim, and S. Sun, “New High Fidelity RGB Video Coding,” Workshop on Future Directions in Video Compression, Busan, Korea, Apr. 2005.
    • W.-S. Kim, D. Cho, and H. M. Kim, “Inter-plane prediction for RGB coding,” ICIP '04, Singapore, Oct. 2004. PDF format
    • H. M. Kim, W.-S. Kim, and D. Cho, “A new color transform for RGB coding,” ICIP '04, Singapore, Oct. 2004. PDF format
    • W.-S. Kim, I.-S. Park, S.-H. Park, B.-U. Lee, and R.-H. Park, “Static test of MPEG-4 visual decoders,” IAPR Workshop on Machine Vision Applications 2000, Tokyo, Japan, Nov. 2000.
    • W.-S. Kim and R.-H. Park, “Fast ICP algorithm using a one-dimensional search,” IAPR Workshop on Machine Vision Applications 2000, Tokyo, Japan, Nov. 2000.
    • K.-S. Yoon, B.-U. Lee, R.-H. Park, and W.-S. Kim, “Registration of range images considering depth measurement error,” IAPR Workshop on Machine Vision Applications 2000, Tokyo, Japan, Nov. 2000.


  • Book Chapters
    • G. Cheung et al, Depth map compression for depth-image-based rendering, 3DTV System with Depth-Image-Based Rendering: Architectures, Techniques and Challenges, Springer, to be published.
    • D.-K. Kwon et al, Video compression, The Mobile Communications Handbook, third edition, CRC Press, to be published.

Contributions to International Standardization

  • W.-S. Kim, D.-K. Kwon, "CE8 Subset c: Necessity of Sign Bits for SAO Offsets," ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11, Document JCTVC-H0434, Feb. 2012.
  • W.-S. Kim, D.-K. Kwon, "CE8 Subset d.1: Reduced Number of Band Offsets in SAO," ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11, Document JCTVC-H0436, Feb. 2012.
  • W.-S. Kim, D.-K. Kwon, "Non-CE8: New Chroma Band Offset (BO) Design in SAO," ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11, Document JCTVC-H0438, Feb. 2012.
  • W.-S. Kim, D.-K. Kwon, "Non-CE8: Method of visual coding artifact removal for SAO," ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11, Document JCTVC-G680, Nov. 2011.
  • W.-S. Kim, D.-K. Kwon, "Non-CE8: Reduced number of band offsets in SAO," ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11, Document JCTVC-G682, Nov. 2011.
  • W.-S. Kim, O. G. Sezer, M. Budagavi, "Subjective Tests on ALF and SAO Using HM-4.0," ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11, Document JCTVC-G684, Nov. 2011.
  • W.-S. Kim, P. Pahalawatta, Z. Li, A. M. Tourapis, “New video quality metrics in the H.264 reference software,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-AB031, Jul. 2008.
  • S. Liu, A. Vetro, W.-S. Kim “Inter-layer prediction for bit-depth scalability,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-X075, Jul. 2007.
  • W.-S. Kim, D. Cho, D. Birinov, H. M. Kim, “Advanced residual color transform,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-Q059, Oct. 2005.
  • W.-S. Kim, D. Cho, D. Birinov, H. M. Kim, “Verification and analysis of experiments in JVT-P017,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-Q058, Oct. 2005.
  • W.-S. Kim, D. Birinov, D. Cho, H. M. Kim, “Study on advanced 4:4:4 coding,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-P049, Jul. 2005.
  • W.-S. Kim, D. Birinov, D. Cho, H. M. Kim, “Further experimental results on 4:4:4 coding,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-P048, Jul. 2005.
  • W.-S. Kim, D. Birinov, D. Cho, H. M. Kim, “Enhancements to RGB coding in H.264/MPEG-4 AVC FRExt,” ITU-T SG16 Q.6, Document VCEG-Z16, Apr. 2005.
  • W.-S. Kim, D. Birinov, H. M. Kim, “Additional experimental results on residue sampling (JVT-K018),” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-L028, Jul. 2004.
  • W.-S. Kim, D. Birinov, H. M. Kim, “Residue color transform,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-L025, Jul. 2004.
  • W.-S. Kim, J.-H. Park, D. Cho, H. M. Kim, “Alpha channel coding using the JVT coding tools,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-K019, Mar. 2004.
  • W.-S. Kim, D. Birinov, H. M. Kim, “Adaptive residue transform and sampling,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-K018, Mar. 2004.
  • W.-S. Kim, H. M. Kim, “Residue transform,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-J038, Dec. 2003.
  • W.-S. Kim, D. Cho, H. M. Kim, “Reference software supporting n-bit and 4:4:4 chroma format,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-J025, Dec. 2003.
  • W.-S. Kim, D. Cho, H. M. Kim, “Proposal for the unsolved issues in Professional Extensions II,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-J018, Dec. 2003.
  • W.-S. Kim, D. Cho, H. M. Kim, “Inter-plane prediction for RGB coding II,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-J017, Dec. 2003.
  • W.-S. Kim, D. Cho, H. M. Kim, “Proposal for alpha channel coding,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-J016, Dec. 2003.
  • W.-S. Kim, D. Cho, H. M. Kim, “Inter-plane prediction for RGB coding,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-I023, Sep. 2003.
  • W.-S. Kim, D. Cho, H. M. Kim, “Proposal for the unsolved issues in Professional Extensions,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-I012, Jul. 2003.
  • W.-S. Kim, D. Cho, H. M. Kim, “Color format extension,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-H018, May 2003.
  • W.-S. Kim, K.-W. Kim, “Parallel processing issue in main profile,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-F059,” Dec. 2002.
  • W.-S. Kim, D. Cho, K.-W. Kim, “Intra prediction enhancements,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-E051, Oct. 2002.
  • W.-S. Kim, D. Cho, K.-W. Kim, “Complexity reduction of plane mode in chroma intra prediction,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-E050, Oct. 2002.
  • W.-S. Kim, D. Cho, S.-H. Lee, “Clarification of FMO mode 3,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-E049, Oct. 2002.
  • W.-S. Kim, Ye-Kui Wang, Miska M. Hannuksela, “Sub-picture coding with the reduced boundary effect,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-C096, May 2002.
  • W.-S. Kim, D. Cho, “Selection of quantization parameter for sub-picture coding,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-B087, Jan. 2002.
  • W.-S. Kim, D. Cho, “Results on core experiment of sub-picture coding,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-B086, Jan. 2002.


US Patents

  • 31 Registered / 30+ Pending (List available upon request)


Related Links

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