Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32h5/STM32H523/DCMI/DCMI_CWSIZE#0x0
VLINE=B_0x0000, CAPCNT=B_0x0000
DCMI crop window size
Capture count
0 (B_0x0000): 1 pixel
1 (B_0x0001): 2 pixels
2 (B_0x0002): 3 pixels
Vertical line count
0 (B_0x0000): 1 line
1 (B_0x0001): 2 lines
2 (B_0x0002): 3 lines
https://github.com/modm-io/cmsis-svd-stm32