Research

Research Interests

• • Artificial intelligence algorithms for human-like behaviors including artificial emotion, episodic memory, relational inference and multi-modalities

  • Artificial intelligence algorithms for understanding and generating "fun" for entertainment services

  • Distributed serving technologies for large-scale and cost-effective AI services

  • Multimedia contents understanding and coding algorithm

Publications

Dissertations

• 1. Woo-Jin Han, Very low bit-rate speech coding using perceptual properties of human ear, Ph.D Dissertation, Department of Electrical Engineering and Computer Science, Division of Computer Science, KAIST, 2001.

  2. Woo-Jin Han, Implementation of a 2.6 kbps speech coder based on mixed multi-band excitation model, M.S Dissertation, Department of Electrical Engineering and Computer Science, Division of Computer Science, KAIST, 1997.

Journal Papers

1. Kemal Ugur, Alexander Alshin, Elena Alshina, Frank Bossen, Woo-Jin Han*, Jeong-Hoon Park and Jani Lainema, “Motion Compensated Prediction and Interpolation Filter Design in H.265/HEVC,” IEEE Journal of Selected Topics in Signal Processing, Vol. 7, No. 6, pp. 946-956, December 2013.

2. Jae-Hyuk Choi, Ok-Ran Jeong, Woo-Jin Han*, Chulyun Kim and Won Kim, “On Cyberattack Mechanisms,” International Journal of Web and Grid Services, Vol. 9, No.4, pp. 351-368, November 2013.

3. Sullivan, G. J.; Ohm, J.-R.; Han, W.-J.*; Wiegand, T., "Overview of the High Efficiency Video Coding (HEVC) Standard," IEEE Transactions on Circuits and Systems for Video Technology, Vol. 22, No. 12, pp. 1649-1668, Dec. 2012. [PDF] (2013 IEEE Circuits and Systems Society Transactions on CSVT Best Paper Award)

4. Lainema, J.; Bossen, F.; Han, W.-J.*; Min, J.; Ugur, K., "Intra Coding of the HEVC Standard," IEEE Transactions on Circuits and Systems for Video Technology, Vol. 22, No. 12, pp. 1792-1801, Dec. 2012.

5. Fu, C.-M.; Alshina, E.; Alshin, A.; Huang, Y.-W.; Chen, C.-Y.; Tsai, C.-Y.; Hsu, C.-W.; Lei, S.-M.; Park, J.-H.; Han, W.-J.*, "Sample Adaptive Offset in the HEVC Standard," IEEE Transactions on Circuits and Systems for Video Technology, Vol. 22, No. 12, pp. 1755-1764, Dec. 2012.

6. Kim, I.-K.; Min, J.; Lee, T.; Han, W.-J.*; Park, J., "Block Partitioning Structure in the HEVC Standard," IEEE Transactions on Circuits and Systems for Video Technology, Vol. 22, No. 12, pp. 1697-1706, Dec. 2012.

7. RyeongHee Gweon, Woo-Jin Han and Yung-Lyul Lee, “Non-fixed Quantization Considering Entropy Encoding in HEVC,” Korean Society of Broadcast Engineers Journal, Vol. 17, No. 6, pp. 1091-1105, Nov. 2012.

8. Woo-Jin Han, “Conditional probability based early termination of recursive coding unit structures in HEVC,” Korean Society of Broadcast Engineers Journal, Vol. 17, No. 2, pp. 354-362, Mar. 2012.

9. Woo-Jin Han, Junghye Min, Il-Koo Kim, Elena Alshina, Alexander Alshin, Tammy Lee, Jianle Chen, Vadim Seregin, Sunil Lee, Yoon-Mi Hong, Min-Su Cheon, Nikolay Shlyakhov, Ken McCann, Thomas Davies and Jeong-Hoon Park, “Improved video compression efficiency through flexible unit representation and corresponding extension of coding tools,” IEEE Transactions on Circuits and Systems for Video Technology, Vol. 20, No. 12, pp. 1709-1720, Dec. 2010.

10. Thomas Wiegand, Jens-Rainer Ohm, Gary Sullivan, Woo-Jin Han, Rajan Joshi, T. K. Tan and Kemal Ugur, “Special Section on the Joint Call for Proposals on High Efficiency Video Coding (HEVC) Standardization,” IEEE Transactions on Circuits and Systems for Video Technology, Vol. 20, No. 12, pp. 1661-1666, Dec. 2010.

11. Woo-Jin Han, "Trends of HEVC standardization and overview of HEVC test-model version 1," Korean Society of Broadcast Engineers Journal, Vol. 15, No. 4, pp. 9-22, Dec. 2010.

12. Il-Koo Kim and Woo-Jin Han, “Directional multi-hypothesis prediction for improving H.264/AVC video coding,” IEEE Signal Processing Letters, Vol. 16, No. 5, pp. 430-433, May 2009.

13. Changhoon Yim, Hojin Ha, Bae-Keun Lee and Woo-Jin Han, "Wavelet scalable coding with minimal average temporal distance for motion estimation," Volume LNCS 4282, Springer-Verlag, pp. 604-613, Nov. 2006.

14. Sung-Ho Park, Won-Ha Kim and Woo-Jin Han, "Overview of H.264/AVC scalable extension," Korean Society of Broadcast Engineers Journal, Vol. 10, No. 4, pp. 515-527, Dec. 2005.

15. Eun-Kyoung Kim, Woo-Jin Han and Yung-Hwan Oh, “A score function for band-splitting frequency of two-band speech model,” Speech Communication, Vol. 41, No. 4, pp. 663-674, Nov. 2003..

16. Woo-Jin Han, Eun-Kyoung Kim and Yung-Hwan Oh, “Multi-codebook split vector quantization of LSF parameters,” IEEE Signal Processing Letters, Vol. 9, No. 12, pp. 418-421, Dec. 2002

17. Woo-Jin Han, Eun-Kyoung Kim and Yung-Hwan Oh, “Natural quality two-band LPC coding of speech at 880 bit/s with frame interpolation,” IEE Electronics Letters, Vol. 38, No. 6, pp. 292-294, Mar. 2002.

18. Eun-Kyoung Kim, Woo-Jin Han and Yung-Hwan Oh, “A new band-splitting method for two-band speech model,” IEEE Signal Processing Letters, Vol. 8, No. 12, pp. 317-320, Dec. 2001.

19. Woo-Jin Han, Eun-Kyoung Kim and Yung-Hwan Oh, “Perceptual adaptive multi-band excitation coder using masking properties of the human ear,” IEE Electronics Letters, Vol. 36, No. 13, pp. 1166-1168, Jun. 2000.

Conference Papers

1. Yong-Jo Ahn, Tae-Jin Hwang, Dong-Gyu Sim and Woo-Jin Han, “Complexity model based load-balancing algorithm for parallel tools of HEVC,” Proc. of VCIP, Sarawak, Malaysia, Nov. 2013.

2. Kemal Ugur, Alexander Alshin, Elena Alshina, Frank Bossen, Woo-Jin Han, Jeong-Hoon Park and Jani Lainema, “Interpolation filter design in HEVC and its coding efficiency - complexity analysis,” Proc. of ICASSP, pp. 1704—1708, Vancouver, Canada, May 2013.

   1. Alexander Alshin, Elena Alshina, Jeong Hoon Park and Woo-Jin Han, “DCT based interpolation filter for motion compensation in HEVC,” Proc. SPIE 8499, Applications of Digital Image Processing XXXV, 84990Z, Oct. 2012.

   2. Il-Koo Kim, Junghye Min, Tammy Lee, Woo-Jin Han and JeongHoon Park, “Large and various shapes block processing in HEVC,” Proc. SPIE 8499, Applications of Digital Image Processing XXXV, 84990Q, Oct. 2012.

   3. Yoon Mi Hong, Il-Koo Kim, Tammy Lee, Min-Su Cheon, Elena Alshina, Woo-Jin Han and Jeong-Hoon Park, “New fast DCT algorithms based on Loeffler's factorization,” Proc. SPIE 8499, Applications of Digital Image Processing XXXV, 84990U, Oct. 2012.

   4. Yong-Jo Ahn, Woo-Jin Han and Dong-Gyu Sim, “Study of decoder complexity for HEVC and AVC standards based on tool-by-tool comparison,” Proc. SPIE 8499, Applications of Digital Image Processing XXXV, 84990X, Oct. 2012.

   5. Sunil Lee, Woo-Jin Han, Jung-Hye Min, Il-Koo Kim, Elena Alshina, Alexander Alshin, Tammy Lee, Jianle Chen, Vadim Seregin, Yoon-Mi Hong, Min-Su Cheon, Nikolay Shlyakhov, Ken McCann, Thomas Davies and Jeong-Hoon Park, "High-Efficiency Video Compression Framework Based on Flexible Unit Representation," Proc. of APSIPA ASC 2010, Biopolis, Singapore, Dec. 2010.

   6. Jianle Chen and Woo-Jin Han, “Adaptive linear prediction for block-based lossy image coding,” Proc. of IEEE International Conference on Image Processing (ICIP), pp. 2833-2836, Nov. 2009.

   7. Jianle Chen, Sang-Rae Lee, Kyo-Hyuk Lee and Woo-Jin Han, “Object boundary based motion partition for video coding,” Proc. of IEEE International Symposium on Circuits and Systems, Lisboa, Portugal, Nov. 2007.

   8. Yumi Sohn and Woo-Jin Han, "One dimensional transform for H.264 based intra coding," Proc. of Picture Coding Symposium (PCS), Oct. 2007.

   9. Woo-Jin Han, “Low-delay unconstrained motion compensated temporal filtering technique for wavelet-based fully scalable video coding,” Proc. of IEEE Multimedia Signal Processing (MMSP), pp. 478-481, Oct. 2004.

   10. Sangchang Cha and Woo-Jin Han, “Low-band correction algorithm for wavelet-based scalable video coding,” Proc. of Signal and Image Processing (SIP), Aug. 2004.

   11. Sung-Joo Kim, Su-Hyun Kim and Woo-Jin Han, “Multimedia framework based on layered and plug-in architecture for consumer electronic device,” Proc. Of Internet and Multimedia Systems and Applications (IASTED), Oct. 2004.

   12. Woo-Jin Han, Changhoon Yim, Ho-Jin Ha and Bae-Keun Lee , “Performance improvement of wavelet-based scalable video coder based on pre-decoder side rate-distortion optimization,” Proc. of Int. Symp. Signal Processing and Information Technology (ISSPIT), pp. 211-214, Dec. 2003.

   13. Hojin Ha, Woo-Jin Han, Bae-Keun Lee and Changhoon Yim, “New MCTF method based on adaptive direction of motion vector for interframe wavelet coding,” Proc. of Int. Symp. Signal Processing and Information Technology (ISSPIT), pp. 243-246, Dec. 2003.

   14. Woo-Jin Han, Eun-Kyoung Kim and Yung-Hwan Oh, “Variable rate vector quantization of LSF parameters based on perceptual distance measure,” Proc. of Int. Conf. Speech Processing (ICSP), 2001.

   15. Woo-Jin Han and Yung-Hwan Oh, “A New perceptual and adaptive quantization method for line spectral frequency parameters Based on noise-to-mask ratio,” Proc. of Int. Conf. Speech and Language Processing (ICSLP), 2000.

   16. Sung-Joo Kim, Sangho Lee, Woo-Jin Han and Yung-Hwan Oh, “Efficient quantization method of LSF parameters based on temporal decomposition,” Proc. of Int. Conf. Speech and Language Processing (ICSLP), Sydney, Australia, Vol. 6, pp. 2575-2578, 1998.

   17. Woo-Jin Han, Sung-Joo Kim and Yung-Hwan Oh, “Mixed multi-band excitation coder using frequency domain mixture function (FDMF) for a low bit-rate speech coding,” Proc. of Eurospeech, Rhodes, Greece, TAD. 18, 1997.

Books

• 1. 황희융, 한우진, 한글라이브러리 v1.0, 교학사.

  2. 황희융, 한우진, 한글라이브러리 v2.0, 교학사.

  3. 황희융, 한우진, C 프로그래밍 특강, 교학사.

Translations

• 1. 한우진, Delphi 2 how-to, 대림출판사.

  2. 한우진, Javascript Unleashed second edition, 대림출판사.

  3. 김광순, 한우진, C++ builder 3 unleashed, 대림출판사.

Professional Activities

• • MPEG 포럼 운영위원 (2013-)

  • 국가기록원 기록보존기술 연구개발 R&D 사업위원회 외부위원 (2012-)

  • Editor of MPEG-H/H.265 HEVC Working Draft and Test Model (2010-)

  • Technical Committee of ICME 2011 Workshop on Acoustics and Video Coding and Communication (2011)

  • Panelist of PCS 2010, “Panel session 2: beyond H.264/MPEG-4 AVC”

  • Reviewer of IEEE Transactions on Circuits and Systems for Video Technology (2010-)

  • Reviewer of IEEE International Symposium on Circuits and Systems (ISCAS) (2010-)

  • Reviewer of Signal Processing: Image Communication (2009-)

  • Reviewer of Korea Information and Communications Society Journal (2009-)

  • Reviewer of IEEE International Conference on Image Processing (ICIP) (2008-)

  • Reviewer of Korean Society of Broadcast Engineers Journal (2005-)

  • Reviewer of Visual Communications and Image Processing (VCIP) (2005-)

  • Reviewer of IEEE Signal Processing Letters (2002-)

  • Reviewer of IEEE Transactions on Audio, Speech and Signal Processing (2002-)