Couldn't it brighten the image in some way? My webcam has an advanced option panel that lets me edit both the brightness and the exposure time. I can turn it u

Couldn't it brighten the image in some way? My webcam has an advanced option panel that lets me edit both the brightness and the exposure time. I can turn it up so bright that you can't even make out any of my facial features, and I'm in a somewhat dark room lit by a single floor lamp.