Title :
Image coding using translation invariant wavelet transforms with symmetric extensions
Author_Institution :
Digital Signal Process. R&D Center, Texas Instrum. Inc., Dallas, TX
fDate :
5/1/1998 12:00:00 AM
Abstract :
In this correspondence, we address the problem of translation sensitivity of conventional wavelet transforms for two-dimensional (2-D) signals. We propose wavelet transform algorithms that achieve the following desirable properties simultaneously: (i) translation invariance, (ii) reduced edge effects, and (iii) size-limitedness. We apply this translation invariant biorthogonal wavelet transform with symmetric extensions to image coding applications with good results
Keywords :
image coding; transform coding; wavelet transforms; 2D signals; image coding; reduced edge effects; size-limitedness; symmetric extensions; translation invariance; translation invariant biorthogonal wavelet transform; translation sensitivity; Discrete wavelet transforms; Frequency domain analysis; Image coding; Image resolution; Signal processing algorithms; Surface waves; Wavelet coefficients; Wavelet domain; Wavelet packets; Wavelet transforms;
Journal_Title :
Image Processing, IEEE Transactions on