array([[126.0, 128.0, 117.5, 122.75, 130.5], [123.25, 127.0, 120.25, 124.0,
    124.0], [132.0, 123.25, 129.75, 132.5, 133.5], [132.75, 119.5, 132.0, 
    124.75, 130.5], [136.0, 126.75, 124.25, 126.25, 126.75]])
Unusual histogram after image decimation