I had asked this on photo stackexchange but thought it might be relevant here as well, since I want to implement this programatically in my implementation.
I am trying to implement a blur detection algorithm for my imaging pipeline. The blur that I want to detect is both -
1) Camera Shake: Pictures captured using hand which moves/shakes when shutter speed is less.
2) Lens focussing errors - (Depth of Field) issues, like focussing on a incorrect object causing some blur.
3) Motion blur: Fast moving objects in the scene, captured using a not high enough shutter speed. E.g. A moving car a night might show a trail of its headlight/tail light in the image as a blur.
How can one detect this blur and quantify it in some way to make some decision based on that computed 'blur metric'?
What is the theory behind blur detection?
I am looking of good reading material using which I can implement some algorithm for this in C/Matlab.
thank you.
-AD.
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