[Elphel-support] FW: Asking the technical help

[Oleg]

Sorry, forgot to post back to the mailing list.

On 12 January 2012 11:09, Oleg <support-list at support.elphel.com> wrote:

> Dear Jason,
>
>
>>  1. If I disable the binning mode by set "BIN_HOR" and "BIN_VERT" to 0,
>> why the video/image on output of the camera is always black ?
>> 2. The "DCM_HOR" and "DCM_VERT" are always "1" and unchangeable, it means
>> the skipping mode is unable to disable, right? and why?
>>
>
> 0x0 is an incorrect value for all these parameters as they are
> coefficients of division.
> Their default value 0x1 means that there's no binning nor skipping is done.
>
> Binning and skipping in simple words is a way to get higher frame rate
> keeping the same field of view. Both of them significantly degrade the
> quality of the image.
>
>
>>  Our camera application needs to disable both Binning and Skipping modes
>> to get fps more than 100.
>>
>
> What's the pixel frame size?
> What restricts the fps at the moment? If you open the camera control
> interface - here's a snapshot<http://wiki.elphel.com/images/d/de/Controls_with_blank.jpeg> -
> in the top-left you will see the current frame size with the FPS. FPS value
> will be either green or red.
> Green means the fps is restricted by the frame size.
> Red - the FPS is restricted by exposure. Lower exposure then for higher
> FPS.
>
> Best regards,
> Oleg Dzhimiev
>
>
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