[Dprglist] (no subject)

secretary at dprg.org secretary at dprg.org
Tue Dec 20 17:24:19 PST 2022


Pat,
    The case is a bit of a botch in my opinion. To use it you need to
replace the supplied cable with a longer one. They should have made it so
the cable came out the same direction as the tripod mount. Oh well.
Regards,
Doug P.

On Tue, Dec 20, 2022 at 6:58 PM secretary at dprg.org <secretary at dprg.org>
wrote:

> Pat,
>     To get the ArduCAM image so that it would be the same orientation that
> would work in the case they provided (i.e., camera cable out top of case,
> power to right - looking from front).
>
> from:
> cv2.imshow("preview_amplitude", amplitude_buf.astype(np.uint8))
> to:
> cv2.imshow("preview_amplitude", cv2.flip(amplitude_buf.astype(np.uint8),0))
>
> from:
> result_image = process_frame(depth_buf,amplitude_buf)
> to:
> result_image = cv2.flip(process_frame(depth_buf,amplitude_buf), 0)
>
> These 2 changes are in addition to the correction you found.
>
> Regards,
> Doug P.
>
>
> On Mon, Dec 19, 2022 at 7:57 AM Pat Caron via DPRGlist <
> dprglist at lists.dprg.org> wrote:
>
>> On Dec 13th I was having a problem with the example python script for the
>> Arducam TOF camera.
>> After some searching, I found that the row & column values for the
>> numpy.mean range were reversed!
>> np.mean(array[row_min:row_max+1, col_min:col_max+1])
>>
>> I found this at
>> https://stackoverflow.com/questions/20276055/get-mean-value-of-certain-part-of-array just
>> before the solution answer.
>> (I didn't use +1)
>>
>> print("select Rect distance:",np.mean(depth_buf[
>> *selectRect_x1:selectRect_x2,selectRect_y1:selectRect_y2*]))
>>
>> should be:
>> print("select Rect distance:",np.mean(depth_buf[selectRect_*y**1*
>> :selectRect_*y**2*,selectRect_*x**1*:selectRect_*x**2*]))
>>
>> This is now working!  I have sent my findings to Arducam.
>>
>> Thanks to Carl O, Ray C, John G. and Doug P. and others for talking
>> through the code and pointing me in the right direction,
>> ...Pat
>> _______________________________________________
>> DPRGlist mailing list
>> DPRGlist at lists.dprg.org
>> http://lists.dprg.org/listinfo.cgi/dprglist-dprg.org
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.dprg.org/pipermail/dprglist-dprg.org/attachments/20221220/c3dd08c2/attachment.htm>


More information about the DPRGlist mailing list