JPG Degradation over Successive Saves
|
 |
|
The first image is lossless. The second
and third show severe degradation over five and ten load/save cycles.

Original lossless PNG |

JPG after 5 load/save cycles |

JPG after 10 load/save cycles |
|
|
The first image (blue highlight) was
loaded and saved fifty times to the same file. The JPEG library routine accepted a
compression range of 1 (most) to 100 (least), setting used was 80. Severe degradation
occurred quickly.
|