Am 29.01.2016 um 04:49 schrieb Gene Heskett:
> On Tuesday 26 January 2016 14:16:03 Gene Heskett wrote:
>
>> On Tuesday 26 January 2016 12:41:26 Fox Mulder wrote:
>>> Am 26.01.2016 um 18:00 schrieb Gene Heskett:
>>>> On Tuesday 26 January 2016 09:55:33 Fox Mulder wrote:
>>>>> Am 26.01.2016 um 13:20 schrieb Gene Heskett:
> Rainer: Any progress on a camview-emc workalike? I should know by
> tomorrow late if the camera I bought will work with v4l2 & the opencv
> script I have.
I don't have much time at the moment to get the script working together
with linuxcnc. For me it only was a simple experiment if it was possible
to overlay an image on a live camera stream with means of simple
programming.
> In the FWIW category, good lighting jumps the frame rate on this
> el-cheapo camera to something around 35 FPS. Totally realtime, but
> slightly overexposed. See's a piece of pcb copper just fine though.
> Blob detection works but slows the frame rate to half. That is to be
> expected with the frame comparison method chosen.
Most cameras only have their maximum frame rate with enough lighting.
Else they have longer exposure times to get a working picture which
limits the fps. But the limiting factor for the fps in this case is the
processing of the video. The more complex it is the lower the fps will
get. Blob detection is a simple example which shows how much the
processing power decides the final frame rate.
Ciao,
Rainer
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