Camera board • Re: Brightness measurement: Unexpected color behavior

Code:

from picamera2 import Picamera2from libcamera import Transform picam0 = Picamera2(0) # do not use second connected camerafull_resolution = picam0.sensor_resolutionquarter_res = [dim // 4 for dim in full_resolution]main_stream  = {"size": full_resolution, "format": "XRGB8888"}lores_stream = {"size": (quarter_res), "format": "XRGB8888"} video_config = picam0.create_video_configuration(main=main_stream, lores=lores_stream, encode="lores", buffer_count=6, transform=Transform(hflip = True, vflip = True))picam0.configure(video_config)cam_controls = {"FrameRate": 10,                        "ExposureTime": 41792,                        "AnalogueGain": 2.0,                         "ColourGains": (2.2, 1.6),                          "LensPosition": 6}picam0.set_controls(cam_controls)picam0.start() im0_hires = picam0.capture_array("main") # Measuring brightness of im0_hires with OpenCV...