1/19/2011

01-19-11 - Good practices

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Some things that I always regret when I don't do them. These are as much reminders for myself not to get lazy as they are finger-wags a...
13 comments:
1/18/2011

01-18-11 - Hadamard

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The normal way the Hadamard Transform (Wikipedia) is written is not in frequency order like the DCT. For example the 8-item Hadamard as w...
5 comments:
1/17/2011

01-17-11 - ImDiff Release

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Imdiff Win32 executables are now available for download. You can get them from my exe index page or direct link to zip download . ...
1/12/2011

01-12-11 - ImDiff Sample Run and JXR test

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This is the output of a hands-off fully automatic run : (on lena 512x512 RGB ) : I was disturbed by how bad JPEG-XR was sho...
3 comments:
1/10/2011

01-10-11 - Perceptual Metrics

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Almost done. RMSE of fit vs. observed MOS data : RMSE_RGB : 1.052392 SCIELAB_RMSE : 0.677143 SCIELAB_MyDelta ...
4 comments:

01-10-11 - Perceptual Results - PDI

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This is my 766x1200 version of the PDI test image (that I made by scaling down a 3600 tall jpeg one). Hipix and JPEG-XR are b...

01-10-11 - Perceptual Results - mysoup

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Two sets of compressors cuz I have too many on this image ; jpg_pack is on both charts as a baseline. As before, ...

01-10-11 - Perceptual Results - Moses

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Moses is a 1600x1600 photo of a guy.

01-10-11 - Perceptual Metrics Warmup - x264 Settings

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Beginning the warmup. Quick guide to these charts : On the left you will see either "err" or "fit". "err"...

01-10-11 - Perceptual Metrics Warmup - JPEG Settings

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This is a repeat of old info, just warming up the new system and setting baselines. Our JPEG is just regular old IJG JPEG with various lo...