Photoshop: TIFF with JPG-compression 11 = Extreme Compression Artifacts

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  • Updated 1 year ago
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Saving a TIFF with JPG Compession in CC2014 with level 11 compression results in a blocky, very pixelated TIFF, basically a destroyed image. Level 12 works fine, but saving with 11 results in really bad JPG-artifacts. This, to me, is a new bug in CC 2014, I haven't had this with CC. I have had this problem on various machines.
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HD Schellnack

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Posted 4 years ago

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Chris Cox

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That's odd, the JPEG (and TIFF) code hasn't changed in quite some time.
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HD Schellnack

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We've had this on a MacPro 2014 with CC14 and MacPro 2010 with CC14, Mavericks latest version, and I reworked all the images as I thought it was a mistake my co-worker made. But the 50 images I edited are this way as well.
I save as TIFF and choose JPG-compression. 12 works rather fine, 11 destroys it.
Could it be some mistake that saves with «1» as compression when you enter 11?

I was baffled as well - never had this problem and 11 is my go-to compression level ;-D

This is a bit annoying as 50+ images retouched and edited is no small deal. The above image is taken at 300% but the artifacts are visible at 200% without any problem - and this in a EOS 5DIII image which usually is rather okay at that level...
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Todd Shaner, Champion

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I can confirm this is still present in PS 2017.1. There are very visible artifacts and softening of the image when using any setting other than 12 JPEG Quality. Save To JPEG file format does not exhibit this issue.


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Jeffrey Tranberry, Sr. Product Manager, Digital Imaging

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Hi Todd, I can't reproduce this (Mac/Sierra). Would you mind sharing your documents with me? (feel free to email me a link to download)
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Todd Shaner, Champion

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Jeff, I'm on Windows 7 SP1 64 bit. Any TIF file with fine detail 'Saved As' Image Compression> JPEG> 11 will reveal the issue when compared to the original at 100% view. Image Compression> JPEG> 12 level does not have this issue. As mentioned previously it almost looks like a PS Quality Level 1 JPEG, but strangely gets slightly better as you lower the TIFF JPEG Image Compression. A TIFF JPEG Image Compression setting of 2 or 3 looks better than 11, but not as good as 12. If you still need a test file let me know.