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fastest way to access individual bytes in CV_8U1

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I am hoping to squeeze every ounce of speed from opencv videocapture. Can someone please enlighten me as to whether there is a better method to access individual pixel grayscale values as i iterate through a CV_8U1. i am using currently public int getValue (int Col, int Row) { return (int)itsMat.get(Row,Col)[0]; } all help greatly appreciated.

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