Table 2: Material types and sizes (in pixels) of the different targets in the BJO image.

T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14           Painted boards     Painted boards   Green car Red car Cloths Cloths       Cloths Cloths People         Paint 1 Paint 2 Paint 3     Paint 1 Paint 2 Paint 3 Paint 4