return cv2.resize(img, (ROWS,COLS), interpolation=cv2.INTER_CUBIC) code example

Example 1: cv2 resize

resized_image = cv2.resize(image, (100, 50))

Example 2: python opencv imresize

im = cv2.resize(im, None, fx=1/3, fy=1/3, interpolation=cv2.INTER_AREA)