Chair of CS department at Duke. Interests include dynamic Huffman codes, arithmetic coding, lossless image compression, and motion compensation for video coding. http://www.cs.duke.edu/~jsv/Papers/catalog/
Digital Image and Video Communication Systems, Adaptive and Multiresolution Compression Techniques, and Joint Source-Channel Coding For Transmission Over Broadcast Channels and Packet Networks. Assistant Professor at USC. http://sipi.usc.edu/~ortega/Ortega.html