I’m using the H7 for AprilTag detection. I’m trying to get as much resolution as I can while staying within memory limits.
What’s odd is that when selecting certain windows AprilTag detection stops working at all, with no error. This is staying with multiples of 8. I started at 240x240 which hit out of memory error, so I reduced the window until 224x224 where I no longer get a memory error but there’s no detection of AprilTags at all, using either the 25H7 or 36H11 families.
No window will successfully detect anything in resolutions in multiples of 8 from 224x224 down through 184x184, regardless of lighting or closeness. Then at 176x176 it works perfectly. 176x184 actually works too. This is using the QVGA frame size. Firmware 4.1.4, sensor set to grayscale. I am using the ‘Max Res’ example code but adjusting the frame size and window.
Is this still a memory issue though it is not throwing memory errors? Or am I doing something wrong?