On 5 January 2014 16:50, [email protected] <[email protected]> wrote:
> > > On Sun, Jan 5, 2014 at 5:38 AM, Michal Suchanek <[email protected]>wrote: > >> AFAIK the camera board is connected digitally so the noise is something >> that is internal to the camera board. >> >> It is normal that under low light condition the image is noisy. Did you >> try taking pictures in full daylight or using some photography lighting? >> > > I have four other USB webcams and none of them have this noise under same > lighting conditions. I have two other Allwinner systems with cameras and > they all have noise. I checked it out this morning under sunlight. It is > better but the noise is still there. > > Maybe the camera images need some image processing that is not getting > turned on under the Allwinner platform? All of the Allwinner devices appear > to be running Allwinner SDK with only minor changes. They probably all > copied each other. > > The datasheet for the image sensor is here: > http://files.virt2real.ru/docs/ > > It is also possible that image processing features of the sensor chip are > not properly enabled. > > According to the datasheet the camera chip has various image processing filters including noise reduction. Does the driver support tuning these filters? Thanks Michal -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
