The proceedings of DCC 93, held in Snowbird, Utah, March-April 1993. Forty-four papers and 63 posters address topics that include: globally optimal bit allocation, codes with monotonic codeword lengths, approximate string matching, optimum DCT quantization, generalized fractal transforms complexity issues, tree compacting transformations, compression of DNA sequences, algorithms for fast vector quantization, and real-time focal-plane image compression. No subject index. Annotation copyright Book News, Inc. Portland, Or.