fei's profile - activity

Hello, I want to make sure what I did is right. In side the .launch file that I create, is it should be like followings? <launch> <include file="$(find openni_launch)/launch/openni.launch"> <arg name="depth_registration" default="true"/>

</include> </launch>

How could I map the 2D point to 3D? There are lots of information that I need, for example principle point, focusing length, radial distortion and trangential. Are they same for all the Kinects? Thank you.

I am doing object tracking. I use 2D because it is faster to run energy function compared to run it on 3D, but I want to have 3D as an initialization. Thank you.

enter code here I am working on something related to 2D point to 3D transformation, which is new to me. Could anyone provide me an outline about doing this? better with explanation. Thank you!

I solved this problem.
1. read rgb image and depth image from kinect approximately, using http://wiki.ros.org/message_filters/ApproximateTime.
2. get the formula to calculate the value(x,y) from rgb image and z from depth image into 3D point.x, point.y, point.z

Could you please tell me which function you use from openCV library to compute 3D position. I am doing the similar work with yours. Thank you.