Hi Juan, Thanks. Makes more sense now when I inspect the mask. Michael. -- On 22/04/13 4:17 PM, Juan Nunez-Iglesias wrote:
Hi Brickle,
Cool problem. =) iirc the return type of these algorithms is an M x N integer-type numpy array (where the input image is an M x N x 3 numpy array). Every pixel with the same value belongs in the same superpixel. So, all pixels with value 1 make up the 1st superpixel, all pixels with value 2 make up the 2nd, and so on until the nth superpixel.
Does that answer your question?
Juan.
On Mon, Apr 22, 2013 at 6:02 PM, Brickle Macho <bricklemacho@gmail.com <mailto:bricklemacho@gmail.com>> wrote:
Hi,
I am new to python and image processing, which may be my problem, but I don't understand how to interpret/use the integer mask indicating segment labels output from the SLIC and Quickshift algorithms.
I have a RGB-D image. Using only RGB I segment the image into superpixels using SLIC and Quickshift algorithms provided in scikit-image. I am trying visit each superpixel, calculate some depth features for each superpixel. Specifically I want to calculate the surface normal of the superpixel and the average angular difference with the neighbouring superpixels. Eventually I plan to combine the superpixels based on these depth features.
Could someone explain the segment_mask format/structure and how I should use the mask?
Thanks in advance.
Brickle. --
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