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141
General Software Discussion / Re: RIOT tool that respects folder hierarchy? (for JPEG compression?)
« on: May 11, 2013, 01:56 PM »
vlastimil,
Thanks for the clarification regarding the skip smaller feature.

I think where I am having difficult and need your help desperately is to find the "sweet spot" for JPEG optimization.   Am I wrong to assume that RIOT has some magic algorithim for quality/size ratio?

These are the settings:





0. I do NOT want to mess with the dimensions!!
1. Remove all meta dataa (EXIF, comments, etc)
2. 75% quality
3. Chroma subsampling 4:1:1 (????)
4. Standard optimize (not progressive)
5. Preserve file modification date


This is the name that I got: PhotoResizeP100ICROEG.exe
PhotoResizeP100ICROEG.exe






Please confirm if this is the correct name matching what I got. I am going to do some basic tests and compare file sizes/quality

142
General Software Discussion / Re: RIOT tool that respects folder hierarchy? (for JPEG compression?)
« on: May 11, 2013, 04:43 AM »
I tried comparing the file sizes/quality.   I really want to use your app vlastimil.  It would serve me TREMENDOUSLY and is exactly what I am looking for. 

I tried using your tool and RIOT still gave me better file sizes.  Could you replicate the best setting/file name for me?  If I use "skip smaller" option, it doesn't do anything.

143
Finished Programs / Re: SOLVED: Image optimization tool
« on: May 11, 2013, 03:59 AM »
Also, probably should add discussion going on here.
https://www.donationcoder.com/forum/index.php?topic=28239.new#new


144
General Software Discussion / Re: RIOT tool that respects folder hierarchy? (for JPEG compression?)
« on: May 11, 2013, 03:56 AM »
I tried your tool vlastimil. It didn't do anything.  I tried dragging folder/folder structure Nothing.  Just folder structure  and nothing.  Pictures only and nothing.

Name is PhotoResizeP100ICRSOQ85.exe  and PhotoResizeP100IMRSOEQ85.exe

I tried both and neither worked. Am I doing something wrong?  I am dragging folders with jpeg files inside.

UPDATE:  when I remove "Skip smaller" option, it worked.   Will I be able to tell the difference in quality between two images? With RIOT, I really cannot.

145
General Software Discussion / Re: RIOT tool that respects folder hierarchy? (for JPEG compression?)
« on: May 11, 2013, 03:39 AM »
It is not a specialized "RIOT" tool as you call it, it simply resizes .jpegs, but with P100, the physical size remains the same, and it only re-compresses them. Today's digital cameras usually produce relatively large file with unreasonable compression options, so saving a lot of space with negligible quality loss is possible - experiment with the compression quality.


vlastimil -- the reason I didn't try it because I was uncertain that it did the same thing.  Does RIOT do the same thing as your tool (in term of "optimizing" that RIOT does? IS that all it does?)

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