|
Title:
|
Image Compression using an Efficient Edge Cartoon + Texture Model |
|
Author:
|
Wakin, Michael; Romberg, Justin; Choi, Hyeokho; Baraniuk, Richard G.
|
|
Type:
|
Conference Paper |
|
Keywords:
|
wavelets; wedgelets; edge cartoon; image compression |
|
Publisher:
|
IEEE Computer Society |
|
Citation:
|
M. Wakin, J. Romberg, H. Choi and R. G. Baraniuk,"Image Compression using an Efficient Edge Cartoon + Texture Model," in Data Compression Conference,, pp. 43-52. |
|
Abstract:
|
Wavelet-based image coders optimally represent smooth regions and isolated point singularities. However, wavelet coders are less adept at representing perceptually important edge singularities, and coding performance suffers significantly as a result. In this paper, we propose a novel two-stage image coder framework based on modeling images as edge cartoons + textures. In stage 1, we infer and efficiently code the edge information from the image using a multiscale wedgelet decomposition. In stage 2, we code the residual, "edgeless" texture image using a standard wavelet coder. Our preliminary coder improves significantly over standard wavelet coding techniques in terms of visual quality. |
|
Date Published:
|
2002-04-01 |
