An overview of the basic principles of the Q-Coder adaptive binary arithmetic coder
IBM Journal of Research and Development - Q-Coder adaptive binary arithmetic coder
Optimal hardware and software arithmetic coding procedures for the Q-Coder
IBM Journal of Research and Development - Q-Coder adaptive binary arithmetic coder
Probability estimation for the Q-Coder
IBM Journal of Research and Development - Q-Coder adaptive binary arithmetic coder
Morphological Reversible Contour Representation
IEEE Transactions on Pattern Analysis and Machine Intelligence
An overview of the basic principles of the Q-Coder adaptive binary arithmetic coder
IBM Journal of Research and Development - Q-Coder adaptive binary arithmetic coder
Optimal hardware and software arithmetic coding procedures for the Q-Coder
IBM Journal of Research and Development - Q-Coder adaptive binary arithmetic coder
Probability estimation for the Q-Coder
IBM Journal of Research and Development - Q-Coder adaptive binary arithmetic coder
A multi-purpose VLSI chip for adaptive data compression of bilevel images
IBM Journal of Research and Development - Q-Coder adaptive binary arithmetic coder
Performance as a function of compression
IBM Journal of Research and Development
IBM Journal of Research and Development
The IBM JBIG-ABIC verification suite
IBM Journal of Research and Development
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The Q-Coder is an important new development in arithmetic coding. It combines a simple but efficient arithmetic approximation for the multiply operation, a new formalism which yields optimally efficient hardware and software implementations, and a new technique for estimating symbol probabilities which matches the performance of any method known. This paper describes implementations of the Q-Coder following both the hardware and software paths. Detailed flowcharts are given.