Signal Transformation, Analysis and Compression Group

Compression Research Group

• Faculty

  Antonio Ortega

• Graduate Students
  • Nazeeh Aranki (JPL), Multispectral image coding
  • Ngai Man Cheung
  • Alexandre G. Ciancio,
  • Jae Hoon Kim
  • Yoon Hak Kim
  • Roger Pique
  • Hsinyi (Ivy) Tseng,
  • Lavanya Vasudevan, Compression for sensor networks , co-advised with Urbashi Mitra.
  • Huisheng Wang, Multiple Description Layered Coding
• Visitors
  • Toshio Sakamoto, Japan Patent Office.
• Undergraduate Students
  • Sam Bagwell
  • Rahul Maini
  • Merrick Mosst
• PhD Alumni (with current affiliation)
  • Dr. Liang-Jin Lin, U-lead Inc., Redondo Beach, CA, Video Bit-Rate Control with Spline Approximated Rate-Distortion Characteristics, Feb. 1997.
  • Dr. Youngjun Yoo, Texas Instruments, Dallas, TX, Adaptive methods and Fast Rate-Distortion Optmization Techniques for Efficient Quantization May 1998.
  • Dr. Chi-Yuan Hsu, Broadcom, San Jose, CA, Rate Control for Video Transmission over Variable Rate Channels May 1998.
  • Prof. Woontack Woo, Virtual Reality Lab, Information Systems Dept., Gwangju Instute of Technology, GIST, Korea. Rate-Distortion Based Dependent Coding for Stereo Images and Video: Disparity Estimation and Dependent Bit Allocation Dec. 1998.
  • Dr. Christos Chrysafis, ESSTech, Fremont, CA, Wavelet Image Compression: Rate Distortion Optimizations and Complexity Reductions Dec 1999.
  • Dr Wenqing Jiang Apple Computer, Cupertino, CA, Contributions to transform coding system implementations Dec. 1999.
  • Dr Krisda Lengwehasatit, Packet Video, San Diego, CA Complexity-Distortion Tradeoffs in Image and Video Compression Dec. 1999.
  • Dr Raghavendra Singh, IBM Research, Delhi, India, Source level sequence based processing for signal compression and reliable transmission, Summer 2001.
  • Dr Zhourong Miao, Sony Research Labs, Santa Clara, CA, Algorithms for Streaming, Caching and Storage of Digital Media, May 2002.
  • Prof David W. Pan, University of Alabama, Huntsville, AL, Variable complexity algorithms and adaptive computation control in video coding and communications Aug. 2002.
  • Dr. Baltasar Beferull-Lozano Audiovisual Communications Lab, EPFL, Switzerland, Quantization Design for Structured Overcomplete Expansions Sept. 2002.
  • Dr. Sang-Yong Lee Texas Instruments, Dallas, TX, [http//sipi.usc.edu/~ortega/PhDTheses/SangyongLee.pdf Color processing and rate control for storage and transmission of digital images and video] Jan. 2003.
  • Dr. Kemal Demirciler, Eastern Mediterranean University, Cyprus, Contributions to efficient vector quantization and frequency assignment design and implementation, May 2003.
  • Dr. Phoom Sagetong, Qualcomm, San Diego, CA, Contributions to Image and Video Coding for Secure and Reliable Communications
  • Naveen Srinivasamurthy, Qualcomm, San Diego, CA, Compression for distributed speech recognition (Co-advised with S. Narayanan), Nov. 2003.
  • Hua Xie, NASA-JPL, Pasadena, CA, Contributions to content based image retrieval , Sept. 2004.
  • Hyukjune Chung, Qualcomm, San Diego, CA, Complexity scalable and robust motion estimation for video compression, Feb. 2005.
• Past visitors and MS Students
  • Fabio Carignano
  • Carlo Torniai
  • Jussi Kangasharju
  • Lionel Perret
  • Yong-Goo Kim
  • Hyungsuk Kim
  • Paul Fernandez
  • Young-Gap Kwon
  • Hironori Komi
  • Julian Cabrera
  • David Comas
  • Patrick Kehoe
  • Yifan Liu
  • Jose Ramon Gimeno
  • Marco Fumagalli
  • Bae-sy (Brian) Lan
  • David Romacho
  • Joaquin Lopez (Polytechnic University of Catalonia)
  • Dr. Kang-Sun Choi (Korea University)
  • Prof. Antonio Navarro (University of Aveiro)

Some of the research activities are part of the

Ultra-Wideband Radio Communications lab 

Old Project pages

• Soft Caching
• Application- and Network-Cognizant Proxies
• Java JPEG decoder using variable complexity IDCT