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Author Topic: Retrospective Depth Filtering  (Read 2819 times)

James

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Retrospective Depth Filtering
« on: July 10, 2014, 09:41:05 PM »
Further to this request http://www.agisoft.ru/forum/index.php?topic=1221.0, would it be possible to have an option to perform depth filtering after the dense cloud has been calculated and displayed?

Kind of like the existing gradual selection filters for the sparse cloud.

I just tried building my dense cloud with depth filtering set to mild for the first time(!) and was surprised how many extra valid points I seemed to get compared to aggressive filtering.

If it had all been garbage however it would have been nice to move a slider to remove the points that would have been filtered, without having to run the dense cloud calculation over again.

Alexey Pasumansky

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Re: Retrospective Depth Filtering
« Reply #1 on: July 12, 2014, 05:03:49 PM »
Hello James,

Depth filtering is performed, as it actually says, on the step of depth maps estimation, prior to dense cloud generation. It has different meaning from just sorting out some outliers in the dense cloud. So it is not possible to implement such slider, that will show the difference between mild and aggressive filtering results in a few seconds, since depth maps have to be rebuilt completely.
Best regards,
Alexey Pasumansky,
Agisoft LLC

James

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Re: Retrospective Depth Filtering
« Reply #2 on: July 13, 2014, 12:17:47 AM »
Thanks for the information Alexey, looks like I could do with checking out the manual every now and again!