I understand BLC is supposed to be used to help correct (under) exposure of fore-ground objects when there's signifcant light in the background. what's not clear to me is the "area" that's specified. Is this the area you expect the foreground objects to be in (to optimize for), or does one specify the area of the background light (to optimize out)?
I'm experimenting with a low-placed camera looking out from the front porch (to try and get a better id of those pesky porch pirates that infest our area).
In addition to false positives (as everything in the distance sets it off) the image has a lot of sky in it, since the cam is placed low and aimed up a bit.
During the daytime, the bright sky causes an approaching face to be dark.
all backlight effects off:
BLC seems to help, ('center' and 'down')
but i'm not sure i've got it configured properly, thus the question.
for comparison, WDR at 20 and 40:
The cam i'm using is a 4mp hik mini-dome, as that's what i had lying around. Plan to drill a hole in the board and have only the dome sticking thru if i can dial this in...
I'm experimenting with a low-placed camera looking out from the front porch (to try and get a better id of those pesky porch pirates that infest our area).
In addition to false positives (as everything in the distance sets it off) the image has a lot of sky in it, since the cam is placed low and aimed up a bit.
During the daytime, the bright sky causes an approaching face to be dark.
all backlight effects off:
BLC seems to help, ('center' and 'down')
but i'm not sure i've got it configured properly, thus the question.
for comparison, WDR at 20 and 40:
The cam i'm using is a 4mp hik mini-dome, as that's what i had lying around. Plan to drill a hole in the board and have only the dome sticking thru if i can dial this in...
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