Fewer copies of shifted images, more in line with grab_chroma
Fewer copies of shifted images, more in line with grab_chroma

FRC900/2016VisionCode,FRC900/2016VisionCode,FRC900/2016VisionCode,FRC900/2016VisionCode,FRC900/2016VisionCode,FRC900/2016VisionCode,FRC900/2016VisionCode