Abstract
This paper presents two new approaches to remove blocking effect in low-bit rate transform coded images by using subband decomposition/reconstruction technique. They are designed to act as a supplementary post-processing step of the JPEG standard. Both approaches make use of the noise characteristic of each subband to bound the maximum tolerable error and the smoothness of the restored images in restoring subband images with regularization. One of them will also utilize the spatial activity of the restoring images to tighten the bounds. Computer simulations showed that the new adaptive objective functions could achieve a better restoration performance in terms of both subjective and objective measures than did other conventional objective functions.
| Original language | English |
|---|---|
| Title of host publication | IEEE International Conference on Image Processing |
| Publisher | IEEE |
| Pages | 523-526 |
| Number of pages | 4 |
| Publication status | Published - 1 Jan 1996 |
| Event | Proceedings of the 1995 IEEE International Conference on Image Processing. Part 3 (of 3) - Washington, DC, United States Duration: 23 Oct 1995 → 26 Oct 1995 |
Conference
| Conference | Proceedings of the 1995 IEEE International Conference on Image Processing. Part 3 (of 3) |
|---|---|
| Country/Territory | United States |
| City | Washington, DC |
| Period | 23/10/95 → 26/10/95 |
ASJC Scopus subject areas
- Computer Vision and Pattern Recognition
- Hardware and Architecture
- Electrical and Electronic Engineering