Wavelets in Image Compression. Bhushan D Patil PhD Research Scholar Department of Electrical Engineering Indian Institute of Technology, Bombay Powai, Mumbai 40076. What are the principles behind compression?.
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Bhushan D Patil
PhD Research Scholar
Department of Electrical Engineering
Indian Institute of Technology, Bombay
Powai, Mumbai 40076
A possible choice for the linear transformation are:
No compression yet
bitstream wrt distortion
coefficients are examined and declared either:
Root of a zerotree (All children and root insigificant)
grandchildren are insignificant (Type B)
processed in sequence
descendants in LIS
their sign, move to LSC; otherwise “0”
If remains insignificant, “0”.
Else “1” and:
If Type A:
Encode all children’s current bit (and sign), move them to end of LIC
Change Type to B, move to end of LIS
If Type B: delete tree from LIS. Add each child at end of LIS
as Type A.