Signal Transformation, Analysis and Compression Group

Research Group

• Faculty

  Antonio Ortega

• Graduate Students
  • Nazeeh Aranki (JPL), Multispectral image coding
  • Ngai Man Cheung
  • Hyukjune Chung Fault resilient compression
  • 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
  • Hua Xie, Compression for distributed classification
• Visitors
  • Joaquin Lopez (Polytechnic University of Catalonia)
  • Dr. Kang-Sun Choi (Korea University)
  • Prof. Antonio Navarro (University of Aveiro)
• Undergraduate Students
  • Sam Bagwell
  • Rahul Maini
  • Merrick Mosst
• PhD Alumni (with current affiliation)
  • Dr. Liang-Jin Lin, U-lead Inc, Redondo Beach, CA. Ph.D. Thesis: Video Bit-Rate Control with Spline Approximated Rate-Distortion Characteristics Feb. 1997. Dr. Youngjun Yoo, Texas Instruments, Dallas, TX, Ph.D. Thesis: Adaptive methods and Fast Rate-Distortion Optmization Techniques for Efficient Quantization May 1998.
  • Dr. Chi-Yuan Hsu, Broadcom, San Jose, CA, Ph.D. Thesis: Rate Control for Video Transmission over Variable Rate Channels May 1998.
  • Prof. Woontack Woo, Virtual Reality Lab, Information Systems Dept., Kwangju Instute of Technology, KJIST, Korea. Ph.D. Thesis: Rate-Distortion Based Dependent Coding for Stereo Images and Video: Disparity Estimation and Dependent Bit Allocation Dec. 1998.
  • Dr. Christos Chrysafis, ESS Technologies, Fremont, CA, Ph.D. Thesis: Wavelet Image Compression: Rate Distortion Optimizations and Complexity Reductions Dec 1999.
  • <Dr Wenqing Jiang Apple Computer, Cupertino, CA, PhD Thesis: Contributions to transform coding system implementations Dec. 1999.
  • Dr Krisda Lengwehasatit, Packet Video, San Diego, CA, Ph.D. Thesis: Complexity-Distortion Tradeoffs in Image and Video Compression Dec. 1999.
  • Dr Raghavendra Singh, IBM Research, Delhi, India, Ph.D. Thesis: Source level sequence based processing for signal compression and reliable transmission, Summer 2001.
  • Dr Zhourong Miao, Sony Research Labs, Santa Clara, CA, Ph.D. Thesis: Algorithms for Streaming, Caching and Storage of Digital Media, May 2002.
  • Prof David W. Pan, University of Alabama, Huntsville, AL, Ph.D. Thesis: 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, 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).

• 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

Some of the research activities are part of the Ultra-Wideband Radio Communications lab

Project pages

• <A href="http://sipi.usc.edu/~ortega/SoftCaching">Soft Caching </A>
• <A href="http://sipi.usc.edu/~ortega/DOE/"> Application- and Network-Cognizant Proxies </A>
• Demo: <a href="http://biron.usc.edu/~lengweha/jpeg/jpg.html"> Java JPEG decoder using variable complexity IDCT </a>