missing kernel or block size in equalize_adapthist

Steven Silvester steven.silvester at gmail.com
Mon May 25 18:54:34 EDT 2015


Hi Kai,

Do the `n_tiles*` arguments not meet your needs?  By defining the number of 
tiles in X and Y, you are equivalently setting a block size.

http://scikit-image.org/docs/stable/api/skimage.exposure.html#equalize-adapthist


Regards,

Steve

On Monday, May 25, 2015 at 1:49:53 PM UTC-5, Kai Wiechen wrote:
>
>
> <https://lh3.googleusercontent.com/-0jVbtyT6ArM/VWNtiWHECgI/AAAAAAAABOg/AKpRcr4fKHU/s1600/nuclei_equalize_adapthist.jpg>
> Hello,
>
> I am using equalize_adapthist after color deconvolution and some 
> morphological operations to enhance local contrast of nuclei in 
> histological images. There are different results when applying 
> equalize_adapthist when using small patches and larger size whole images 
> (left small patch, right large size whole image). The CLAHE implementation 
> in ImageJ has a 'block size' parameter and the implementation in Pixinsight 
> has a 'Kernel size' parameter to get results depending on the local 
> context. Is it possible to 'simulate' this behaviour with scikit-image?
>
> Best regards,
>
> Kai
>
>
>
>
>
>
>
>
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