TITLE:      Universal TCQ in Wavelet Image Coding
AUTHORS:    James H. Kasner, Michael W. Marcellin and B.R. Hunt
CONFERENCE: 1996 Asilomar Conference on Signal, Systems, and Computers, 
	    Pacific Grove, California, November 1996
ABSTRACT:
The discrete wavelet transform has emerged as a powerful tool for the
lossy compression of imagery. In this work, an adaptive still-image
wavelet coder is presented. The coder is based on a variant of
entropy-constrained trellis coded quantization (ECTCQ). This new form
of ECTCQ is called universal trellis coded quantization (UTCQ) and
offers several advantages over previous versions of ECTCQ, including
no computationally expensive training algorithm, and no stored
codebooks. Perceptual coding improvements of the UTCQ coding sytem
are presented as well.