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image-processing

How to prove the authenticity of a screenshot?

by IT Nursery

Want to improve this post? Provide detailed answers to this question, including citations and an explanation of why your answer is correct. Answers … Read more

Tags image-processing, screen-capture, windows

Combine multiple images using ImageMagick

by IT Nursery

I would like to combine multiple images into one image using ImageMagick. To explain a little better, I want the result to look … Read more

Tags image-processing, imagemagick

How to get information about an image (picture) from the Linux command-line?

by IT Nursery

I’m working on a web app and currently migrating some stuff from an old app, but I hate that I have to open … Read more

Tags command-line, command-line-tool, image-processing

How can I obfuscate a small section of a image on macOS?

by IT Nursery

How can I obfuscate a small section of an image on macOS? I would like to obfuscate private information in an image before … Read more

Tags graphics, image-capture, image-editing, image-processing, screen-capture

To install Brew’s ImageMagick and fix its Symlink

by IT Nursery

Assume you installed Imagemagick by brew install imagemagick but it does not get into your PATH. For example, I run unsuccessfully compare since … Read more

Tags bash, graphics, homebrew, image-processing, macos

Where is the convert command in macOS?

by IT Nursery

I need to convert a PNG file to an EPS file. Various sources on the Web refer to the convert command on macOS, … Read more

Tags high-sierra, image-processing, macos

Checking images for similarity with OpenCV

by IT Nursery

Does OpenCV support the comparison of two images, returning some value (maybe a percentage) that indicates how similar these images are? E.g. 100% … Read more

Tags comparison, image, image-processing, opencv, similarity

image processing to improve tesseract OCR accuracy

by IT Nursery

I’ve been using tesseract to convert documents into text. The quality of the documents ranges wildly, and I’m looking for tips on what … Read more

Tags image-processing, ocr, tesseract

OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection

by IT Nursery

I successfully implemented the OpenCV square-detection example in my test application, but now need to filter the output, because it’s quite messy – … Read more

Tags c, computer-vision, image-processing, objective-c, opencv

UIImage: Resize, then Crop

by IT Nursery

I’ve been bashing my face into this one for literally days now and even though I feel constantly that I am right on … Read more

Tags core-graphics, image-processing, ios, iphone
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