how to handle with data in matrix, instead of image.?

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how to handle with data in matrix, instead of image.?

koju2000
Dear group,
 
if we use normal function such
cvGoodFeaturesToTrack or
cvCalcOpticalFlowPyrLK and so on
 
there work very well, however the input should came from a real photo of webcam by using a library  IplImage *image (..............)
 
my question is if I have a image data but in matrix form not in jpg, bmp or avi. How can I use a function from openCV.
 
for example I have data in matrix
 


     

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