| Article ID: | iaor19983003 |
| Country: | United States |
| Volume: | 3 |
| Issue: | 5 |
| Start Page Number: | 700 |
| End Page Number: | 704 |
| Publication Date: | May 1994 |
| Journal: | IEEE Transactions on Image Processing |
| Authors: | Ramchandran K., Vetterli M. |
| Keywords: | image processing |
We show a rate-distortion optimal way to threshold or drop the DCT coefficients of the JPEG and MPEG compression standards. Our optimal algorithm uses a fast dynamic programming recursive structure. The primary advantage of our approach lies in its complete compatibility with standard JPEG and MPEG decoders.