Questions tagged [blur]

The tag has no usage guidance.

1 question with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
1
vote
0answers
2k views

Measuring sharpness/contrast for autofocus

For the implementation of an auto-focus for the raspberry cam I need some measure of image sharpness. I used the following sample picture: The first approach was to compute the shannon entropy of the ...