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Multiple frames and multiple origin
Posted: Wed Jan 10, 2018 1:11 am
by arina_slayer
Hi, I'm new here..
I am working on differentiating stereo camera and SLAM which embedded on car to analyze the same scene.
First of all,
1. Is it possible to set origin in each multiple frames to see the movement of the car in sequence?
2. Is there any particular method or parameter to set the origin of the picture?
Btw, I'm using pcd files. I'm sorry if my points is not that clear but you can try to understand my points from below:
- origin.png (7.88 KiB) Viewed 1814 times
Thank you and i am looking forward hearing from you!
Re: Multiple frames and multiple origin
Posted: Wed Jan 10, 2018 12:18 pm
by daniel
Well, I'm not sure what you call 'frame', but we have what we call 'viewports' that correspond to specific positions (and parameters) of the 3D view camera. With multiple viewports you can even create an animation (see the qAnimation plugin).
To create viewports manually, you have to open the 'Camera settings' dialog, define the orientation, center and other parameters, and then save the applied viewport (CTRL+V or Display > Save viewport).
Another option is to create a 'camera' object (Edit > Sensors > Camera > Create), apply the camera viewport (via the camera entity properties) and then save it as a 'viewport' object.
Last, it's also possible to load calibrated pictures (image + viewport information). It's a little bit more complicated, especially if you want to do it manually, but if necessary I could explain it to you.
And if you want to do this programmatically, you'll have much more options by the way.
Re: Multiple frames and multiple origin
Posted: Thu Jan 11, 2018 7:39 am
by arina_slayer
Thank you for the information!
I used the sensor that you were saying.
- sensor 2.png (164 KiB) Viewed 1790 times
- sensor 1.png (146.26 KiB) Viewed 1790 times
As you can see in the picture above. I loaded 4 images or I called it as a frame of pictures where the scene was captured by stereo camera which embedded on the car.
The sensor that I created show the view from the stereo camera of the car which is correct.
But, I have 4 frames or images which consists of 4 different angles or view since the car is moving and change direction. Therefore, my point is, is it possible to have 4 sensors to each frames or images to see the car is actually changing the direction or what not?
Thanks!
Re: Multiple frames and multiple origin
Posted: Thu Jan 11, 2018 8:44 pm
by daniel
Sorry, I failed to understand what you are looking for. You can create as much viewpoints as you want, and you can even regroup them in 'groups'. And you could also load 2D images but I don't think this is what you are looking for either.