[CinCV TNG] [impr] FindObject
cinelerra at posteo.de
Fri Apr 13 19:49:10 CEST 2018
That's a good explanation, it makes sense.
On 13.04.2018 19:14, Phyllis Smith wrote:
> I noticed that the FindObj plugin is much smaller. Before it was
> about 46 MiB and now it is about 6 MiB. Maybe that's why the file
> got smaller. GG seems to have cleaned up the plugin a bit.
> He found the issue with the size and reported a Gaussian SEGV to the
> OpenCV website which was related to the size because he removed the
> library causing the SEGV but not being used in findobject.
> The problem with the thickness of the line still exists. I made a
> short video, you can see that the frame disappears completely
> again and again.
> Now we know specifically which line algorithm is giving you the
> problem. I don't know why it is not an issue for us as we have fairly
> decent monitors - just not 4K. At one time the Motion plugins when
> "Draw vectors" was turned on, had disappearing lines even on our
> monitors but I will have to check to see if that is still true. If I
> understand gg correctly, the lines you show are only 1 pixel and they
> get "aliased/anti-aliased" so can become invisible. Apparently, the
> fix is not as simple as making the line wider.
> A small suggestion, if it were technically feasible. If the check
> mark at the scene option (Drag) is set and I set the check mark at
> object box (Drag), then the check mark at scene disappears
> automatically. It's just an idea, if the implementation isn't too
> complicated. I can well imagine that some users might be confused
> if they realize that they can't check the box because they don't
> have the background information for this feature.
> I don't think I stressed this enough earlier -- there is ONLY ONE drag
> box. So I do not think turning off the other one which is on, is what
> a user would necessarily want and might lead to even more confusion.
> For example, you have the Title plugin in a small section of the video
> with Drag turned on. Now you have Findobject plugin on the whole
> track and you try to turn Drag on, but it flashes at you to let you
> know Drag is already on somewhere else. Either way It is going to be
> confusing. I will make a big warning about it in Features5.pdf in the
> Title and Findobject descriptions. The moral of the story is DO NOT
> LEAVE DRAG BOXES CHECKED when you are done with them. Furthermore, we
> expect future use of Drag boxes elsewhere. I think the convenience is
> more than worth the confusion (at least I hope so).
> BTW, before if you accidentally left the Drag box checked in the Title
> plugin and did a render, the ugly box would show. A good side effect
> of the draw box widget is that if you forget to turn it off, it no
> longer shows up in the render (much better).
> gg/phyllis (we will catch up with other recent issues from the last
> week soon).
> Cinelerra mailing list
> Cinelerra at lists.cinelerra-cv.org
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