Comment by barcelosandre for Someone knows how to discover the pointcloud...
I want the x,y,z from real world. OpenNi has a pointcloud topic, in rviz i see a "color transform" (RGB8) option, each point is related with an pixel from the rgb camera. I just want to know how to...
View ArticleComment by Mahyar for Someone knows how to discover the pointcloud...
do you see this topic: http://answers.ros.org/question/90696/get-depth-from-kinect-sensor-in-gazebo-simulator/
View ArticleAnswer by barcelosandre for Hi All,I need a small help with converting...
Someone knows how to discover the pointcloud "pixel"(x,y,z in real world) giving a pixel from RGB camera? I am using a feature descriptor (ORB) in RGB frame (/camera/rgb/image_color) its returns the...
View ArticleComment by Markus for The openni driver does this already. It doesn't just...
Well if I subscribe to /camera/depth/image_rect I just get values from 0 - 255 and no floats .... --> Do I have to read in that data in a particular way? cv_bridge::CvImageConstPtr cv_ptr; cv_ptr =...
View ArticleAnswer by thebyohazard for Hi All,I need a small help with converting kinects...
The openni driver does this already. It doesn't just produce one depth image. Check [here](http://www.ros.org/wiki/openni_launch/Tutorials/QuickStart) and...
View ArticleConverting Kinect depth image to Real world coordinate.
Hi All, I need a small help with converting kinects depth image to the real world coordinates of each depth pixel. I used the below mentioned formulae found from a paper. But, I assume the Z value is...
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