Split Area Image

Hello every one! I want to getting image pixel value from image specified point,but it is very slowly.How to fast getting one row but difference column pixel value via image.copy.the column should be 1,3,5…(n+2)…(n+3)…(n+4) .ThankS !

Hi, use the copy method and set the ROI to be just a row in the image you want. This will create a new image of just that row.