Questions tagged [image-processing]

programs that manipulate, enhance, or convert images

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7
votes
3answers
127 views

Program to cut&save rectangles out of a scanned document

I often use my scanner to scan multiple small receipts. I can fit 10 small receipts on a page. I'd like to save these receipts, each to a separate file. I can do this easily with copy and paste, but ...
18
votes
5answers
1k views

Software to batch crop pictures

I converted about 200 pictures from RAW format and after converting I realized that the pictures had a pink line going down the entire right side of the picture (example). Even though its small, it ...
5
votes
1answer
95 views

Is there an OS X app for reducing an image to a specific file size

I'm currently dealing with a few applications that impose a 2mb limit on import file/image size. Currently, the only way I have found to deal with this is to manually find all images that are above ...
13
votes
6answers
11k views

App to quickly generate correctly resized iOS app icons

In iOS development, there are quite a few different sizes of icons needed to make your app look the best throughout the system. Here's what the average list of icon files looks like in an iOS project: ...
15
votes
3answers
195 views

Easy-to-use cross-platform photograph retouching tool?

I am trying to find a good cross-platform photograph retouching tool that's not as powerful, expensive and complicated as Photoshop. It doesn't have to be free, but over 100€ starts to hurt too much. ...
10
votes
3answers
172 views

A program that diffs 2 images

I'm looking for a program that does a "diff" between two JPG images. Requirements: The diff algorithm used by the app is known. Ideally, it should be verifiable via code inspection, but that's a ...
3
votes
2answers
102 views

Windows software to automatically trim edges of photographs of documents

Can anyone recommend gratis Windows software to automatically trim the edges of photographs of documents? Must have an option to adjust for perspective. The program does not need to take the actual ...
12
votes
4answers
2k views

App to remove duplicate frames in an animated gif?

I've been looking at various gif optimizers and converters and I couldn't find one that would work good for me. The function in the app I'm looking for is comparing frames of an animated gifs, ...
4
votes
0answers
115 views

Game development content pipeline/toolchain?

I'm a software developer at a gaming company, and we're currently undertaking efforts to improve our asset creation and management toolchain. Our initial idea was to code our own solution from scratch ...
3
votes
1answer
256 views

OCR tool for images on Windows [duplicate]

There are a few ocr questions on this site, but they are either only for Linux, or only for PDFs. So I am looking for a tool that converts images with text into editable text (.doc / .txt). It ...
2
votes
2answers
3k views

Automatically remove white borders from pdfs, no OCR, command line

(similar question exists, is explicitly for another platform and doesn't mention that no OCR is needed) I need a command line tool (or a PDF viewer which supports this as a display option) which can ...
1
vote
0answers
46 views

Android image processing app to batch correct photos for scanner

I want to scan an A4 paper, but I don't have a scanner. My Android device has a good camera though, so I take a picture of it and I end up with a JPG file that is pretty sharp but has the following ...
5
votes
0answers
80 views

Software for matching rectangular images in other images or PDFs

I'm looking for software that searches through multiple images or a PDF for an smaller image that I give it. The best example I can give is with this page from a stamp catalogue: I would give the ...
4
votes
1answer
182 views

Library to compare images

I'm looking for a .NET library (that can be accessed from C# code) that can compare 2 images and tell how similar they are. I'm trying to find a way to compare a scanned copy of a document with the ...
2
votes
1answer
45 views

Add alpha channel and remove background for more than 2 images at once in Windows

I look for a tool, most desirably open source or Free software, that can run on Windows 10 and has a GUI, that can take X number of images (definitely more than 5) and just add Alpha channel to all ...
1
vote
2answers
53 views

Add a “banner” to top and bottom of many photos

I'm looking for a really simple (easy to use) piece of free software that can batch edit a large number of photos. I have a bunch of photos from my youth sports team, and I just want to add a "...
1
vote
1answer
407 views

Crop and de-skew scans automatically - scriptable, high-volume

I'm looking for a scriptable program (or .NET library) that I can point at a directory and say, "crop and deskew all the scans this directory, in place". (Scriptable because I have to run this on tens ...