MOTION_DETECTOR_CELLS   82 modules/motion_detector.c     int prev[MOTION_DETECTOR_CELLS];
MOTION_DETECTOR_CELLS   83 modules/motion_detector.c     unsigned char diff[MOTION_DETECTOR_CELLS];
MOTION_DETECTOR_CELLS  250 modules/motion_detector.c     while ((columns * rows) > MOTION_DETECTOR_CELLS)