A contrario detection of modes in orientation histogram
Please cite the reference article if you publish results obtained with this online demo.

Detection of the main orientations of an image region, using the a contrario methodology applied to orientation histogram.

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Lena image
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Smarties
House
Frog
Oranges
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TIFF, JPEG, PNG, GIF, PNM (and other standard formats) are supported. The uploaded will be publicly archived unless you switch to private mode on the result page.
Only upload suitable images. See the copyright and legal conditions for details.