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Are 4 or more dimensions allowed in a Mat?

asked 2012-12-15 13:09:56 -0500

ZachTM gravatar image

Hi guys, I have been using opencv for a while now, but I now need to make matrices of 4, or 5 dimensions. I can create a matrix like:

int sz[] = {1,5,5,16,16};
Mat x = (5,sz,CV_32F, Scalar::all(0));

but x.at<float>(1,1,1,1,1) is invalid. Are opencv Mat objects not able to handle anything greater than 3 dimensions? Or is there another way of accessing the elements. Thanks for any help!

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answered 2012-12-16 05:04:12 -0500

Michael Burdinov gravatar image

OpenCV has multi-dimension matrices.

First dimention of your matrix is 1, i.e. the only index within range is 0. When you call to (1,1,1,1,1) you should get out of range error.

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Sorry for the late response, thanks for your answer, I cant believe I didn't notice that!

ZachTM gravatar imageZachTM ( 2012-12-29 19:29:33 -0500 )edit

Are u sure.. u can access 5D element. I read u can access only upto 3 D using Mat.

KK Nakka gravatar imageKK Nakka ( 2015-09-18 04:07:17 -0500 )edit
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Asked: 2012-12-15 13:09:56 -0500

Seen: 1,058 times

Last updated: Dec 16 '12