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Image Compression Using the Anamorphic Stretch Transform

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What
  • Workshops
When Mar 12, 2014
from 12:00 PM to 01:00 PM
Where Engr. IV Bldg., Tesla Room 53-125
Contact Name
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Deapartment Research Forum
Hosted by: Professor Bahram Jalali  

 

Mohammad H. Asghari

Advisor: Prof. Bahram Jalali

            

Abstract

A new method for image compression is introduced. It uses a new physics-based mathematical transformation that increases spatial coherency by causing feature-selective stretch. We show that by reshaping the image with a special class of transfer functions, more samples are allocated to sharp features, where they are needed, and less to coarse features, where they are redundant. The method achieves image space-bandwidth compression without feature detection or prior knowledge of the image.

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