I would like to know the number of bits in a grayscale picture? How do I find this?

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Victor Fletcher
Victor Fletcher 2018-11-26
评论： Victor Fletcher 2018-11-26
I have a grayscale image that is 256x256 pixels.
How do I compute the number of bits in the image?
  2 个评论
Jan
Jan 2018-11-26
It depends on what "number of bits" mean. What exactly does "I have a greayscale image" means - as file, as matrix, and in the later case, in which data type? Please explain, what your inputs are.
Victor Fletcher
Victor Fletcher 2018-11-26
Bits as in 2^N possible intensities that a pixel can possibly take.
It is a .tif file.
I used the max function to calculate the maximum intensity value.
Then I used log function to convert it to N.

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