All Questions
Tagged with image-processing adobe-photoshop
14
questions
1
vote
1
answer
5k
views
How can I fill / replace only %100 transparent pixels with a selected color in photoshop
There are countless examples to add background layer
That is not what I want because if you have semi transparent pixels that breaks their color
What I want to achieve is only replacing %100 ...
- 783
0
votes
0
answers
35
views
Can sips -g capture image data on Photoshop .psb files over 4.5 GB?
When using the command sips -g profile on a .psb over 4.5GB, it returns nil. The same is true for -g bitsPerSample and -g space, though -g dpiWidth is able to capture data.
All these commands work as ...
- 19
1
vote
2
answers
721
views
How to bulk replace images with placeholders of same dimensions, with a unique visual identifier?
Context
I have a few private GitHub repositories of games I have made. I want to open source the codebases, but many of the images used are licensed so cannot be shared freely.
Since the image ...
- 121
0
votes
0
answers
58
views
How to pre-process the background of this image in order to OCR the table properly?
I have to OCR the book of tables consisting of 500+ pages but the maker stamped every page. Can anybody help me on how should I process it in order to be able to recognize it let's say in FineReader? ...
- 127
2
votes
2
answers
2k
views
How can I enhance the gray text on scanned crumpled receipts?
Consider the following snippet of a receipt I've scanned:
usually when I scan receipts I manage to separate the text and the background using something like a color-range selection tool, selection ...
- 9,852
1
vote
1
answer
119
views
Images with blurring in the center
I was trying to remember the name of a specific effect/coding which is applied to images, where the center of image (or any part) is clear and gradually quality decreases in a circular manner. What is ...
- 539
8
votes
2
answers
1k
views
Generate hundreds of resolutions from a single image
I'm working on a project where I need a single image in multiple resolutions. Lucky enough the image is identical width/height resolution and would work well with all resolutions with the same height ...
- 294
0
votes
1
answer
108
views
Why this scanned book image has no background?
If you save this image on your desktop, you see it's background color as your desktop color. If you open it with Adobe Photoshop, its background id checkered which means it has no background. It's ...
- 1,086
2
votes
1
answer
566
views
How to draw pixel-perfect geometric shapes and patterns?
When designing user interfaces, games and other visual applications, very often you have to have an image with a well defined geometric pattern. Some examples:
A placeholder image of given size with ...
- 135
1
vote
1
answer
1k
views
Is there a simple image tool on mac to read alpha value of a pixel?
I am looking for a simple tool that will let me read the RGB and alpha (A) values of a pixel in an image.
Something like DigitalColor meter but that returns alpha values.
I know this is possible in ...
- 111
1
vote
1
answer
698
views
How to join multiple images into one preview
I have hundreds of vector clip art sets (EPS and AI) with JPEG previews for each vector image and I need to create nice preview image for each set (preview image must contain all jpeg previews of one ...
alexnjoy
3
votes
2
answers
3k
views
How to uniformly change color of an image?
I have an image that is kind of reddish/orange:
Is there a tool (e.g. Photoshop, Paint.NET, etc...) that let's me pick a different color set (say green) and that would color the image accordingly. ...
- 18.8k
35
votes
9
answers
69k
views
Photoshop: Trim a photo so it contains no transparent pixels?
In Photoshop, I've put together some panorama photos using the Photomerge tool, and the resulting image contains a lot of transparent pixels. Also, because it's assembled from multiple photos, the ...
- 2,290
11
votes
4
answers
37k
views
How to get a good clean newspaper scan?
I tried a few times to scan newspaper articles, but the images I got were always blotchy and with bad colors, sort of like this:
Sometimes I see some really good scans, like this:
What is the trick ...
- 1,780