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Draft:USC Signal and Image Processing Institute

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The USC Signal and Image Processing Institute (SIPI) is a research institute within the USC Viterbi School of Engineering focused on signal and image processing.

History and Research

SIPI was established in 1971 (initially as the USC Image Processing Institute, or IPI) by Professors William K. Pratt and Harry C. Andrews under a contract from ARPA (contract No. F08606-72-C-0008[1]). At the time of its founding, SIPI/IPI was among the first university groups in the world dedicated to image processing research[2][3]. In addition to performing fundamental research, it was also a key member of the ARPANET (the foundation for the modern internet) where it provided image processing hardware and software services for other members of the network[4].

In the early 1970s, SIPI/IPI research focused on the basic theory of image processing with applications to image compression and image transmission/communication (including much of the early work on transform coding), image restoration and enhancement (including topics such as denoising, super-resolution, and color enhancement), and image analysis[1]. Over the years, SIPI's scope expanded beyond just image processing to involve a broader range of signal processing applications, including audio signal processing, speech processing, video processing, and the processing of data from a variety of sensors, imaging systems, and other information sources[2][3][5].

In 1977, SIPI released the first version of the USC-SIPI image database[6]. The database provides a large collection of standard test images that were scanned and digitized using SIPI's image acquisition hardware. Many of these images have been influential in image processing research, including the widely-used Mandrill/Baboon, Peppers, and Lena test images[2][3][5].

People

Past and present SIPI faculty include[7] William K. Pratt (founding director), Harry C. Andrews, Irving S. Reed, Alexander A. Sawchuk, Anil K. Jain, Richard P. Kruger, Ali Habibi, Lloyd R. Welch, Ernest L. Hall, Werner Frei, Ronald S. Hershel, Jerry M. Mendel, S. Y. Kung, Armand R. Tanguay, Olivier Faugeras, Rama Chellappa, Lloyd J. Griffiths, Keith Jenkins, Richard M. Leahy, Bart Kosko, C.-C. Jay Kuo, C. L. Max Nikias, Antonio Ortega, Chris Kyriakakis, Shri S. Narayanan, Krishna S. Nayak, Sanjit K. Mitra, Justin P. Haldar (current SIPI director), Panayiotis G. Georgiou, Maryam Shanechi, and Mahdi Soltanolkotabi.

Notable SIPI alumni include Professors Bhaskar Rao[8], Georgios B. Giannakis, and James Duncan[9], and former NASA Director Firouz Naderi.

References

  1. ^ a b Pratt, William K. (April 1972). "Image Processing Research Semiannual Technical Report: 3 August 1971 through 29 February 1972". Defense Technical Information Center. United States Department of Defense. Retrieved 7 July 2025.
  2. ^ a b c USC Viterbi (2012-12-07). 40 Years at SIPI: The Past, Present and Beyond. Retrieved 2025-07-07 – via Vimeo.
  3. ^ a b c USC Emeriti Center (2022-09-15). USC Living History Project - Dr. Alexander A. Sawchuk (2022). Retrieved 2025-07-07 – via YouTube.
  4. ^ Pratt, W. K.; Kruger, R. P. (October 1972). "IMAGE PROCESSING OVER THE ARPA COMPUTER NETWORK". University of Arizona Libraries Campus Repository. Retrieved 7 July 2025.
  5. ^ a b "USC Signal and Image Processing Institute". Retrieved 7 July 2025.
  6. ^ "The USC-SIPI Image Database". Retrieved 7 July 2025.
  7. ^ "SIPI Early History". Retrieved 7 July 2025.
  8. ^ "UCSD Faculty Profiles: Bhaskar Rao". Retrieved 7 July 2025.
  9. ^ "Yale School of Medicine Profiles: James Duncan, PhD". Retrieved 7 July 2025.
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