CLAHE on 16bit images?

2

CLAHE

Nils
21 ●2

hi, is it somehow possible to use the opencv implementation of the CLAHE-algorithm on 16-bit Images? Thanks for your answer.

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answered Aug 4 '14

csnate
46 ●1 ●3

updated Aug 12 '14

Hi, I know this is a bit old, but I found this answer when trying to use 16-bit images with OpenCV's CLAHE and wanted to answer for others looking for this. I actually modified the algorithm to accept any integral type.

EDIT: Mainline OpenCV's CLAHE now supports 16-bit images.

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Thank you for your effort! Please consider to make a pull request to enable this feature to the whole community.

Guanta (Aug 5 '14)edit

1

There is already a pull request for this functionality. Passed by it some time ago :) More info here

StevenPuttemans (Aug 5 '14)edit

2

@StevenPuttermans - That was me :) I am still in the process of fixing some bugs with it. But hopefully within the next week or so I'll be done.

csnate (Aug 6 '14)edit

Thank you for the pull request! It will help people alot!

StevenPuttemans (Aug 6 '14)edit

2

Mainline OpenCV supports 16-bit images as of today.

csnate (Aug 12 '14)edit

is it available in python bindings as well ?

etiennebr (Oct 7 '14)edit

1

To answer my last comment: yes, it's available for python.

etiennebr (May 12 '15)edit

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answered Jun 10 '13

Vladislav Vinogradov

4775 ●4 ●24 ●62

Current implementation supports only 8-bit grayscale images. Code modification is required for 16 bit input.

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has anybody modify the code for 16 bit images?

ashish donvir (Jan 17 '14)edit

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0

answered Oct 24 '16

pvt.peter
16 ●1 ●5

Hi,

Please check out this link: Result of CLAHE is different on 8 and 16 bit grayscale image.

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