[CinCV TNG] [impr] FindObject

Wolfgang Brunner video4tux at gmail.com
Sun Apr 8 07:55:00 CEST 2018

Without examples, users will not understand the plugin. Therefore do not
  I'm just about to explain video effects, unfortunately, I do not
understand all. For example, the BananaBlue plugin is so extensive I do not
know where to start.

2018-04-07 23:58 GMT+02:00 Sam <cinelerra at posteo.de>:

> Thank you! The video is a big help, now I know what I did wrong. It is
> indeed very difficult to handle the knobs. It took me just as long to
> adjust the frame.
> Sam
> On 07.04.2018 23:41, Phyllis Smith wrote:
> Demo is at:    https://www.datafilehost.com/d/262d207c
> Input files AND the original demo tar file at:
> https://www.datafilehost.com/d/1951cbce
> On Fri, Apr 6, 2018 at 5:25 PM, Sam <cinelerra at posteo.de> wrote:
>> Do you have experience with the plugin FindObj? I tried following your
>> instructions. Despite many attempts I do not manage to produce a usable
>> result with it. The object that should overlay the scene jumps back and
>> forth like crazy. The object is partly distorted beyond recognition.
>> Shouldn't the overlay object always keep the same shape and size? Had you
>> made a video about this in the past?
>> This plugin seems to be very powerful, but the handling is very
>> complicated. I have noticed the following points:
>> A user mentioned that the HV/CV version of Findobject was not working
> last September.  At that time the only goal was to get it working like it
> did originally.  Then it was also kind of fun to look at the other OpenCV
> examples, see how they worked and convert Move/Flow/Gabor.  Now it was
> thought was a good time to upgrade the version of OpenCV so test material
> was needed and that is when Style and Puzzle were added.
> We did not get any real feedback that it was useful to have some OpenCV
> plugins available to Cinelerra/CGG so left it at that - although I did put
> a note out on the OpenCV forum suggesting that maybe someone there would be
> interested last September.
> If there is more emphasis on using FindObject, it might be a good idea to
> improve the user interface as you can see from the demo what a difficult
> time I had getting the box surrounded!   GG/Phyllis
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