The vertical combination control unit 71 sets the first selection unit 16 in an OFF state and sets the second selection unit 17 in an ON state at the central pixel 10 (2, 1) among the pixels in the first column. In addition, the vertical combination control unit 71 sets the first selection units 16 in an ON state and the second selection units 17 in an OFF state at the pixels 10 (1, 1) and 10 (3, 1) located above and below the pixel 10 (2, 1).
The vertical combination control unit 71 sets the first selection unit 16 in an OFF state and sets the second selection unit 17 in an ON state at the central pixel 10 (2, 2) among the pixels in the second column. In addition, the vertical combination control unit 71 sets the first selection units 16 in an ON state and the second selection units 17 in an OFF state at the pixels 10 (1, 2) and 10 (3, 2). Likewise, the vertical combination control unit 71 sets the first selection unit 16 in an OFF state and sets the second selection unit 17 in an ON state at the central pixel 10 (2, 3) among the pixels in the third column. In addition, the vertical combination control unit 71 sets the first selection units 16 in an ON state and the second selection units 17 in an OFF state at the pixels 10 (1, 3) and 10 (3, 3).