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how to sum a 3 channel matrix to a one channel matrix?

Hi, i want to sum a 3 channel (lab) matrix to a one channel matrix. Is there a simple way to do this or must i split the image into 3 different CvMat-Objects?

It would to be nice, if there is a parameter for cvCvtColor that add all 3 channels with the same weight.

greetings

how to sum a 3 channel matrix to a one channel matrix?

Hi, i want to sum a 3 channel (lab) matrix to a one channel matrix. Is there a simple way to do this or must i split the image into 3 different CvMat-Objects?

It would to be nice, if there is a parameter for cvCvtColor that add all 3 channels with the same weight.

greetings

how to sum a 3 channel matrix to a one channel matrix?

Hi, i want to sum a 3 channel (lab) matrix to a one channel matrix. Is there a simple way to do this or must i split the image into 3 different CvMat-Objects?

It would to be nice, if there is a parameter for cvCvtColor that add all 3 channels with the same weight.

greetings