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Questions tagged [image-comparison]

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3
votes
2answers
149 views

Why isn't PNG preferred over JPG for being lossless art quality yet?

This is something that pops up on my mind once a while when I browse around the web for art and desktop wallpaper, since I tend to see JPG and PNG as the common formats. I just had to ask to get it ...
4
votes
1answer
107 views

Relationship between spatial frequency of an image and Aliasing

I was looking into measuring the amount of aliasing in an image. After reading through many papers and sites, I came to the conclusion that the best method to measure the amount of aliasing in an ...
4
votes
1answer
113 views

Image regeneration with nearest neighbor search

So what I would like to achieve is this: User submits Image 1 - this image is then broken down into X by X sized blocks User submits Image 2 - then the program/algorithm takes all the blocks ...
2
votes
0answers
75 views

ImageJ alternative for Ruby on Rails Development [closed]

I have an analysis management web system developed using Ruby on Rails and I need to analyse an uploaded image in my system. Using Java I used to have ImageJ included im my projects. Since I'm new in ...
7
votes
1answer
159 views

Brightness and contrast VS Gamma, is it possible to identify the gamma “correction amount”?

Trichoplax question aroused my curiosity and the answers in this question also reminded me why I sometimes use different gamma "amounts" to enhance images. Therefore, is it possible to determine the ...