Mat-org.opencv.core.Size-org.opencv.core.Size-">computeGradient</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
               <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;grad,
               <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;angleOfs,
               <a href="../../../org/opencv/core/Size.html" title="class in org.opencv.core">Size</a>&nbsp;paddingTL