Difference between revisions of "Woo-Shik Kim"

From WikiBiron
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== Woo-Shik Kim ==
 
== Woo-Shik Kim ==
 
[http://biron.usc.edu/~wooshikk/SDC11722.JPG My Photo]
 
  
 
Ph.D. Student
 
Ph.D. Student
Line 14: Line 12:
  
 
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 ==
Line 46: Line 47:
 
**Intern
 
**Intern
 
**Research in 3-D video processing
 
**Research in 3-D video processing
 +
  
 
== Honors and Awards ==
 
== Honors and Awards ==
 
*Winner of the Best Paper Award at the Samsung Technical Conference 2004
 
*Winner of the Best Paper Award at the Samsung Technical Conference 2004
 +
  
 
== Summary of Main Research ==
 
== Summary of Main Research ==
3-D video processing
+
* 3-D video processing
- Distortion analysis
+
** Distortion analysis in depth image based rendering (DIBR) system
- Depth map compression
+
** Depth map compression
- 3-D video compression
+
** Multiview video compression
Distributed video coding
+
* Distributed video coding
High-quality video coding
+
** High-quality video coding
- RGB video coding using residual color transform (RCT) and inter-plane prediction (IPP) (RCT was adopted in MPEG-4 AVC/H.264 High 4:4:4 Profile).
+
* 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.
+
** 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
+
* Visually lossless coding
- Real-time visually lossless codec for liquid crystal display (LCD) dynamic charge capacitance (DCC) device.
+
** 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.
+
** Real-time visually lossless codec for display driver IC (DDI) in mobile phone.
MPEG-4 AVC/H.264 international standardization
+
* MPEG-4 AVC/H.264 international standardization
- Participating in the international standardization of MPEG-4 AVC/H.264 Fidelity Range Extension (FRExt).
+
** Participating in the international standardization of MPEG-4 AVC/H.264 Fidelity Range Extension (FRExt).
- Participating in the international standardization of MPEG-4 AVC/H.264 Baseline/Main Profile.
+
** Participating in the international standardization of MPEG-4 AVC/H.264 Baseline/Main Profile.
- Reference S/W implementation for 4:4:4 video coding.
+
** Participating in the reference S/W implementation
Joint source channel coding
+
* 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).
+
** 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.
+
** RD-optimized mode selection considering error-prone environment.
Codec speed optimization
+
* Codec speed optimization
- Speed optimization of MPEG-4 Core Profile decoder for DSP.
+
** Speed optimization of MPEG-4 Core Profile decoder for DSP.
- Speed optimization of MPEG-4 Simple Profile encoder for ARM9.
+
** Speed optimization of MPEG-4 Simple Profile encoder for ARM9.
 +
 
  
 
== Skills / Tools ==
 
== Skills / Tools ==
Line 79: Line 83:
  
 
== Publications ==
 
== Publications ==
<ul>
 
<li> G. Shen, W.-S. Kim, A. Ortega, J. Lee, and H. Wey, "Edge-aware intra prediction for depth-map coding". <i>In Review for IEEE Intl. Conf. Image Proc. (ICIP ‘10)</i>.
 
</ul>
 
  
<ul>
+
* Recent Papers
<li> W.-S. Kim, A. Ortega, P. Lai, D. Tian, and C. Gomila, “Depth map coding with distortion estimation of rendered view,” in <i> Proc. of SPIE Visual Information Processing and Communication (VIPC ‘10) </i>, San Jose, CA, USA, Jan. 2010.
+
** G. Shen, W.-S. Kim, A. Ortega, J. Lee, and H. Wey, "Edge-aware intra prediction for depth-map coding". In Review for IEEE Intl. Conf. Image Proc. (ICIP ‘10).
[http://biron.usc.edu/~wooshikk/DepthCoding_VIPC10_wskim.pdf <small><b>PDF format</b></small>]</ul>
+
** 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>]
 +
 
 +
 
 +
* Thesis
 +
** Woo-Shik Kim, “Rate-distortion optimized mode selection for error resilience in MPEG-4 video coding,” Masters Thesis, Sogang Univ., 2001.
 +
 
  
<ul>
+
* International Journal Papers
<li> W.-S. Kim, A. Ortega, P. Lai, D. Tian, and C. Gomila, “Depth map distortion analysis for view rendering and depth coding,” in <i> Proc. of IEEE Int. Conf. Image Proc. (ICIP ‘09) </i>, Cairo, Egypt, Nov. 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/DepthCoding_ICIP09_wskim_FinalRevision.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.
 +
** 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.
  
• Thesis
 
1. Woo-Shik Kim, “Rate-distortion optimized mode selection for error resilience in MPEG-4 video coding,” Masters Thesis, Sogang Univ., 2001.
 
  
International Journal Paper
+
* International Conference Papers
1. 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.
+
** 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.
2. 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.
+
** W.-S. Kim, D. Cho, and H. M. Kim, “Residue sampling for image and video compression,” VCIP '05, Beijing, China, Aug. 2005.
3. 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.
+
** 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.
 +
** H. M. Kim, W.-S. Kim, and D. Cho, “A new color transform for RGB coding,” ICIP '04, Singapore, Oct. 2004.
 +
** 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.
  
• International Conference Papers
 
1. 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.
 
2. W.-S. Kim, D. Cho, and H. M. Kim, “Residue sampling for image and video compression,” VCIP '05, Beijing, China, Aug. 2005.
 
3. 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.
 
4. W.-S. Kim, D. Cho, and H. M. Kim, “Inter-plane prediction for RGB coding,” ICIP '04, Singapore, Oct. 2004.
 
5. H. M. Kim, W.-S. Kim, and D. Cho, “A new color transform for RGB coding,” ICIP '04, Singapore, Oct. 2004.
 
6. 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.
 
7. 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.
 
8. 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.
 
  
 
== Contributions to International Standardization ==
 
== Contributions to International Standardization ==
1. 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, 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.
2. 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.
+
* 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.
3. 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. 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.
4. 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. 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.
5. 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, 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.
6. 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, 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.
7. 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, 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.
8. 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, “Additional experimental results on residue sampling (JVT-K018),” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-L028, Jul. 2004.
9. 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, D. Birinov, H. M. Kim, “Residue color transform,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-L025, Jul. 2004.
10. 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, 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.
11. 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. 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.
12. 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, H. M. Kim, “Residue transform,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-J038, Dec. 2003.
13. 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, “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.
14. 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, “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.
15. 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, “Inter-plane prediction for RGB coding II,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-J017, Dec. 2003.
16. 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, “Proposal for alpha channel coding,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-J016, Dec. 2003.
17. 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, 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.
18. 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, 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.
19. 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, H. M. Kim, “Color format extension,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-H018, May 2003.
20. 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, 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.
21. 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, D. Cho, K.-W. Kim, “Intra prediction enhancements,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-E051, Oct. 2002.
22. 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, 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.
23. 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, S.-H. Lee, “Clarification of FMO mode 3,” ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, Document JVT-E049, Oct. 2002.
24. 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.
+
* 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 ==
 
== US Patents ==
Line 139: Line 144:
  
 
== 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]
 

Revision as of 02:28, 3 March 2010

Woo-Shik Kim

Ph.D. Student

Department of Electrical Engineering

University of Southern California

Los Angeles, CA

E-mail: wooshik.kim@usc.edu

Advisor: Antonio Ortega

My Photo


Research Interests

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


Education

  • Sep. 2006-present: University of Southern California, Los Angeles, CA, USA
    • Ph.D. student, 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


Honors and Awards

  • 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 MPEG-4 AVC/H.264 Fidelity Range Extension (FRExt).
    • Participating in the international standardization of MPEG-4 AVC/H.264 Baseline/Main Profile.
    • Participating in the 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
    • G. Shen, W.-S. Kim, A. Ortega, J. Lee, and H. Wey, "Edge-aware intra prediction for depth-map coding". In Review for IEEE Intl. Conf. Image Proc. (ICIP ‘10).
    • 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, “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.
    • 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.
    • 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.


  • 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.
    • 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.
    • H. M. Kim, W.-S. Kim, and D. Cho, “A new color transform for RGB coding,” ICIP '04, Singapore, Oct. 2004.
    • 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.


Contributions to International Standardization

  • 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

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