Video Trimmer Continue to Render an Image Eve After the Image Target is Lost Vuforia
Greetings everyone!,
I'm working on a very "simple" augmented reality example, in which the target is a drawing, a symbol on the ground, and an statue of an animal appears when we look at the target.
The issue is that we've decided that this animal is going to be giant, and therefore we would like to look up to see it completely, because as it will appear in front of us, at first we will only see its legs. But by doin doing this (lloking up), the marker is no longer visible and the object disappears ...
I've been tinkering in the DefaultTrackableEventHandler script, which comes in the default package with Vuforia, and actually see the event in which the object disappears when we lose focus of the marker is OnTrackingLost (), and have tried to comment parts of this method. But, many problems arise because then the object moves with the camera (following the camera) as if it were stuck to it, and therefore we can not look up (as if we had a virtual reality glasses put, it is an example that comes to mind, which achieves the same effect).
And in summary that's the problem, I've tried a few options that I could think of but in the end always the same.
I appreciate any help in this regard, and in turn I find an interesting topic so that it is reflected here, as always RA often used to see small objects in front of us, or on a table ... but this is a interesting use I'm sure it has to be achievable :)
Regards !, and thank you very much again, Good Day !! ;)
Expoara
Joined:
January 15, 2015
Posts: 2
Hi!
Just wanted to ask.
I have an issue during using Extended Tracking.
The object starts following my device in case I'm moving far from the origin point.
Not sure how can I keep the object at theorigin position.
Uploaded video
https://www.youtube.com/watch?v=E2rZs2RQWvg
Appreciate for any help/idea...
Hello, how can I end all target behavior such As shutting off audio and imagery, after loss of target, I assume it's some how disable image target behavior but I want to be able to re engage with the target after a certain amount of time? Any leads?
thanx!
Hi. I'm having same issue when tracking is lost the image sticks to the camera. Have you got a solution?
amitchai
Joined:
August 1, 2017
Posts: 5
how u do this ? i'm not able to do ..?
arvrapps
Joined:
January 2, 2017
Posts: 14
Hi Medabit,
Thank you for useful guide. I have a question, Is it possible to not use CloudReco.
Well actually I want to use Vuforia to detect / scan an image but later instead showing augmented reality show an animation
which I captured before, Is it possible? Do you have any idea how can I do that?
Thanks a lot in advance.
Ciao,
Kaveh
kaveh
Joined:
May 31, 2016
Posts: 1
Hi again, and thanks for the response :)
I have solved the problem, Vuforia itself has the functionality I needed, it's called Extended Tracking, but I was looking in the wrong place.
Solution:
1 - Select the ImageTarget you have placed in the scene.
2 - In the Inspector, go to the Script component Image Target Behaviour and activate the property: Enable Extended Tracking
And you're done! : D
The result is something like what is shown in the following video (which can look up and see the entire skyscraper):
Expoara
Joined:
January 15, 2015
Posts: 2
I would suggest reviewing the behavior of our CloudReco sample app. In that sample, when the target is in the FOV of the camera, the augmentation (a simple plane) will be registered to the target. However, when the target is not in the FOV of the camera, the augmentation will snap to the center of the video display.
If this behavior is similar to what you desire, or helps bootstrap what you're trying to achieve, the sample source is available for your review.
https://developer.vuforia.com/downloads/samples
Good luck!
medabit
Joined:
February 26, 2016
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Source: https://developer.vuforia.com/forum/creating-ar-trackables/keeping-object-screen-even-when-target-lost
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