Questions tagged [image-processing]
Anything related to digital image processing, i.e. the theory and the techniques used to extract or manipulate information from digital images.
image-processing
42,342
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How to identify the similarity(in %) between 2 "Black & White" only images / similarity between shapes ignoring colors?
I've searched all possible related keywords that I can think of, but the results are not really what I'm looking for, as most algorithm I found puts high concern on COLOR.
The idea of my application ...
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How do I compare two big Temperature-Matrix-Datasets and classify the difference/similarities? How do I proceed finding a good method? [closed]
I have the following issue: I want to compare thermal pictures (data is present as a big Matrix/ each Pixel one value) in python and understand weather they are different. What statistical approaches ...
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How to add horizontal lines to the table in image opencv
I want to add horizontal lines to the below image
resultant output should be like:
Any methods on how to work it out, even if there are diff images which don't have horizontal lines.
I've tried ...
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Performant alternative to scaling a CIImage / PixelBuffer
I’m building a camera app where I am applying real time effects to the view finder. One of those effects is a variable blur, so to improve performance I am scaling down the input image using CIFilter....
- 1,215
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Compromise between quality and file size, how to save a very detailed image into a file with reasonable size (<1MB)?
I am facing a small (big) problem: I want to generate a high resolution speckle pattern and save it as a file that I can import into a laser engraver. Can be PNG, JPEG, PDF, SVG, or TIFF.
My script ...
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Trying to resize a large image of 91.6 MB [closed]
For an image processing project, where i'm working on image of size 91.6 MB.How to work with images of such large size?
I tried to open the image using PIL by setting its max limit to None.But when I ...
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1
answer
25
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How to rotate a region with an image
I want to rotate an image with a specific region. For example, if I rotate the image of 30 degrees, I want the regions to follow it.
I've tried the rotate_image function, and it does the job for the ...
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how to open windows when ı run the computer_vision.py [closed]
ı didn't open the windows like frame,white_region,extended_midlane.. etc. I think ı wrote the codes correctly. but it can be mistake. I don't know.I'll share my codes with you.
this computer_vision.py
...
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45
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micro array image registration
How can I image-register these two images?
They are magnetic microdot arrays, at different magnetic fields.
Subtracting one from the other I should be able to discern a magnetic contrast.
after ...
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How can I optimize the process to find the best 4-sided shape that contains my mask?
I am currently working on a project where I need to detect pool table and pool balls from a video frame.
I then need to recreate the state of the game in a 2D mini-map, and in order to do so I need ...
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R package that allows human face detection in images and functions that will change face colour [closed]
I am trying to first use a facial detection function to detect faces, then create a face colour mask that can be applied to the whole face and neck region using CIELAB colour space. I'm going to run ...
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how to convert black-white png image to 8-bit and rgb color space png using imagemagick in linux? [closed]
I am writing grub theme which requires image format must be 8 bit and rgb. I create some whilte and black image with inkscape but can not find availeble way to convert the image to the above format.
...
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Need advice on what steps to take regarding a computer vision problem in the medical space [closed]
I am working for a lab and I have run into an issue I would like some guidence on. My role in the lab is loosely a computer vision scientist. I have been tasked with transforming an image in one ...
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Image shape detection, crop and zoom
I am taking thermography pictures in python. I want the camera to detect our square samples, zoom in, and snip the outer edges and apply the temperature gradient. As of now, I have to manually take ...
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Is it possible to open the phase forward scanned image of the amplitude scanned image, from the .nid file, in Gwyddion software?
I can see all the scan images(amplitude forward, amplitude backward, phase forward, backward, z axis scan forward and backward in the immediate dialogue box when I choose the file in the software( ...
