Aspects presented herein relate to methods and devices for graphics processing including an apparatus, e.g., a graphics processing unit (GPU). The apparatus may obtain a first indication of a first image including a set of first image sections with a plurality of first subsections and a second indication of a second image including a set of second image sections with a plurality of second subsections. The apparatus may also compare one first image section with one second image section. Further, the apparatus may calculate a magnitude of difference between one first subsection and each of the multiple second subsections. The apparatus may also output a third indication of at least one of: (1) a lowest magnitude of difference between the one first subsection and each of the multiple second subsections or (2) a set of coordinates for a second subsection that corresponds to the lowest magnitude of difference.