On Sun, Jan 5, 2014 at 11:43 AM, Michal Suchanek <hramr...@gmail.com> wrote:
> > > > On 5 January 2014 16:50, jonsm...@gmail.com <jonsm...@gmail.com> wrote: > > >> >> >> On Sun, Jan 5, 2014 at 5:38 AM, Michal Suchanek <hramr...@gmail.com>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? > I can modify driver. But that triggers the whole problem of being able to rebuild the software for these devices. I'm trying to figure out how to extract the fex files. They are STBs and don't have normal Android buttons. > > 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 linux-sunxi+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > -- Jon Smirl jonsm...@gmail.com -- 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 linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
