Difference between frames after edge detection

javacv
canny

asked 2013-05-03 17:58:07 -0600

Steven
1 ●1

Hi,

I use cvCanny function to detect edges on each frames. Now I need to to find the difference of consecutive edge frames calculated using cvCanny. How can I do that ?

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Seems very closely related to: http://answers.opencv.org/question/12747/edge-change-ratio-detect-edge-pixels-using-cannys/

Guanta ( 2013-05-04 06:34:13 -0600 )edit

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answered 2013-05-04 02:28:17 -0600

AMP

205 ●6

Hi,

you should keep edge frame of last iteration of loop then compute " absdiff " between new edge frame and last edge frame.

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Asked: 2013-05-03 17:58:07 -0600

Seen: 561 times

Last updated: May 04 '13

Difference between frames after edge detection edit