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An Efficient Progressive Coding Method for Arbitrarily-Sampled Image Data
 

Summary: 1
An Efficient Progressive Coding Method for
Arbitrarily-Sampled Image Data
Michael D. Adams, Member, IEEE
Abstract--A simple highly-effective method for progressive
lossy-to-lossless coding of arbitrarily-sampled image data is
proposed. This scheme is based on a recursive quadtree par-
titioning of the image domain along with an iterative sample-
value averaging process. The proposed method is shown to offer
much better progressive coding performance than a previously-
proposed state-of-the-art coding method.
Index Terms--image coding, meshes, progressive lossy/lossless.
I. INTRODUCTION
RECENTLY, there has been a growing interest in image-
coding methods that better exploit the geometric structure
inherent in images. A recurring theme in many of these
methods (e.g., [1][3]) is the use of arbitrary sampling (i.e.,
sampling at an arbitrary subset of points from a lattice). In
this context, the need to efficiently code arbitrarily-sampled
image data arises. One particularly effective solution to this

  

Source: Adams, Michael D. - Department of Electrical and Computer Engineering, University of Victoria

 

Collections: Engineering