===== Chow and Kaneko binarization=====

====Description====

This plugin perform a binarization using Chow and Kaneko algorithm.

This plugin binarize a grayscale image using a threshold map. Local thresholds are calculated on a grid by Otsu method and interpolated to the full-size image.

====Plugin example====

Original image / Plugin calculated local thresholds / Plugin result (grid size : 16 pixels).

{{:plugin:segmentation:chow_and_kaneko_binarization:automatic_thresholding_original_8bits.png?250|Original image}}
{{:plugin:segmentation:chow_and_kaneko_binarization:binarized_picture_bloc_size_16-threshold_map.png?250|Plugin calculated local thresholds}}
{{:plugin:segmentation:chow_and_kaneko_binarization:binarized_picture_bloc_size_16.png?250|Plugin result (bloc size 16)}}


====Other plugins examples====

Results with ImageJ existing (2013/01/17) auto local theshold methods (Bernsen, Mean, Median, MidGrey, NiBlack et Sauvola [rayon:15]) :

{{:plugin:segmentation:chow_and_kaneko_binarization:auto_local_thresholding_rayon_15_imagej.png?750}}

====Plugin download====

{{:plugin:segmentation:chow_and_kaneko_binarization:binarization_chow_and_kaneko.jar|binarization_chow_and_kaneko.jar v1.00}}

====Plugin installation====

Copy the .jar file to your plugins directory and restart "ImageJ".

You can use the script by menu "ImageJ / Adjust / Chow and Kaneko binarization"


====Source files====

{{:plugin:segmentation:chow_and_kaneko_binarization:binarization_chow_and_kaneko-src.zip|}}

====License====

GPL distribution (see [[http://www.gnu.org/licenses/|licence]] ). Sources for plugins are available freely. Sources for core are available on request.
====Author====

Vincent Vansuyt.

Contact me for any questions or suggestions : vincent dot vansuyt at edf dot fr (preferred language : french)

====Changelog====

First version

====Know bugs====

None