All Questions
Tagged with image-processing png
8
questions
0
votes
0
answers
26
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identify PNGs in SVG's clothing
I sometimes encounter "faux" SVGs, i.e., SVG images files that simply list pixels as paths:
<svg xmlns="http://www.w3.org/2000/svg" width="1295" height="573"&...
- 123
1
vote
1
answer
776
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How does one embed license (or other) information into a PNG file?
I want to preface this by saying no, I don't mean steganography. What I'm looking for isn't simply putting text etc. into an image file through things like Outguess or OpenStego.
A software company ...
- 184
0
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0
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46
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"Canonicalize" PNG files
I am looking for a way to process a set of PNG files in such a way that if they contain the same image data, the files will be byte-by-byte identical too.
Is there a quick and easy, automatable way ...
- 2,987
1
vote
0
answers
608
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Is it possible to render and/or recover half of an apparently damaged PNG file?
I have a chunk of a PNG file, missing its end. An unknown amount of data from the IDAT chunk is missing, as well as the IEND chunk. I've inspected the IHDR and it looks completely fine, correctly ...
- 314
0
votes
1
answer
511
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Powershell script for processing pngs via exe parameters while maintaining source file structure
I'm currently working on a personal project where I need to resize tens of thousands of png files. I know little to nothing about scripting, PS or programming (I'm a graphic artist)
I'm using a piece ...
0
votes
1
answer
53
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Substracting colors and extracting transparency values
Lets say a picture was made to semi-transparent and added on a flat background color. The original picture, background color and result(mixture) is known. But, that added transparency(alpha value) is ...
- 223
0
votes
3
answers
614
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Tool to repair line drawings / diagrams wrongly saved as jpgs
When you compress a line drawing as a jpg, it goes kind of blurry. Areas of solid colour become areas of slightly variable colour etc. Are there any tools out there that attempt to fix this kind of ...
- 1,366
7
votes
12
answers
5k
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How to compress a huge amount of PNG images?
At work, on certain projects I have to manage a lot of images. Most of the time PNG files work the best for what I'm doing.
With such a huge amount of images, I've tried using PNG compression with ...
- 2,165