Questions about reducing a file's size by automated pattern recognition, and the resulting changes in image quality.

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2answers
115 views

Illustrator - Large Vector File to Print at A0

I have created large vector drawings for A0 printing - each file has thousands of vectors at different transparencies. The largest file is 270mb when saved as an editable pdf. I have not compressed ...
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votes
1answer
317 views

Purple text on dark background too blurry when uploading to facebook (saved as png)

I'm going nuts here. I'll try to be straight to the point. I'm using Photoshop CC and have this dark background image for a poster with some text info. Sentences in white, three infos in purple, ...
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0answers
11 views

Incorporating Rate Distortion Optimization in baseline JPEG Image Compression

I want to incorporate RDO in baseline JPEG implementation so that I will be able to achieve the desired bitrate using the algorithm. But the problem is the estimation of distortion without increasing ...
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0answers
20 views

How do you export a jpeg with a selective compression mask from Photoshop CC 2014?

In fireworks, I can select parts of an image to keep at a lower compression (85) when exporting, leaving the rest of the image to be compressed at the higher setting (60). I cannot find that option in ...
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0answers
49 views

How does Apple compress/deliver the razor sharp @2x images on its website in tiny file sizes?

I've always wondered how they compress them. They have massive 2800x800 pixel images on their landing page that are just 90KB. In general all the imagery on Apple.com is very high quality, yet the ...
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0answers
109 views

Compress png images with Gimp

I'm getting a message from PageSpeed Insights that recommends to compress some png images. E.g: If compressing .../logo.png without loosing information, you would save 1.014 B (12% redcuction). ...