Programmatically check image quality

Question

Algorithms

Is it possible to? Not based on size and resolution.

Answer 1

www.google.com/search?hl=en&noj=1&site=webhp&q=image+quality+metrics&oq=image+quality+metrics&aq=f

Answer 2

It may be worth digging into the metadata, I can’t say for sure.

Answer 3

What do you want to rely on then? What is image quality for you? :)

Answer 4

And if you check the losses characteristic of the format?
For example, for jpeg - noise, blur, squareness.
Train the neural network and go.
These are all theoretical reflections, I will be glad to remarks.

Answer 5

In general, “quality” can be tied to purely mathematical things and look at the spectrum (Fourier or wavelet expansion), and then check how “good” the picture is (for example, if there are few spatial frequencies, then this is a simple and clear geometry)

Answer 6

The exif file sometimes has a Quality field, but the values ​​\u200b\u200bthere are such as Fine, Average - not a lot ...