kodim19 (512x768 color)
The following images are kodim19 compressed 75:1 by each codec.
DLI, 15812 Bytes
Kakadu JPEG2000, 15812 Bytes
Jasper JPEG2000, 15760 Bytes
HD Photo (WMP), 16019 Bytes
IJG JPEG, 15643 Bytes
The following are magnified sections for each of the above images.
DLI, 15812 Bytes
Kakadu JPEG2000, 15812 Bytes

Jasper JPEG2000, 15760 Bytes
HD Photo (WMP), 16019 Bytes
IJG JPEG, 15643 Bytes
Visualization of Y-PSNR for the above images, order of colors for increasing error (black, blue, green, yellow, red).
DLI, 15812 Bytes
Kakadu JPEG2000, 15812 Bytes
Jasper JPEG2000, 15760 Bytes
HD Photo (WMP), 16019 Bytes
IJG JPEG, 15643 Bytes
The following images are compressed by each codec to approximately the same PSNR.
In my opinion they are not all equal in subjective quality, however I leave it to the reader to make his/her own determinations.
DLI, 9929 Bytes (119:1), 30.68 Y-PSNR
Kakadu JPEG2000, 20599 Bytes (57:1), 30.72 Y-PSNR
Jasper JPEG2000, 16131 Bytes (73:1), 30.74 Y-PSNR
HD Photo (WMP), 17786 Bytes (66:1), 30.83 Y-PSNR
IJG JPEG, 23958 Bytes (49:1), 30.73 Y-PSNR
The following are magnified sections for each of the above images.
DLI, 9929 Bytes (119:1), 30.68 Y-PSNR
Kakadu JPEG2000, 20599 Bytes (57:1), 30.72 Y-PSNR
Jasper JPEG2000, 16131 Bytes (73:1), 30.74 Y-PSNR
HD Photo (WMP), 17786 Bytes (66:1), 30.83 Y-PSNR
IJG JPEG, 23958 Bytes (49:1), 30.73 Y-PSNR
|
|