i have followed this link for installation http://www.ros.org/wiki/rgbdslam. when i run " rosdep install rgbdslam_freiburg " , the following error occurs. how to resolve that . i have downloaded "libopencv" from "Synaptic Packet Manager". still having same problem. i,m using fuerte with 12.04 ubuntu.

ittsel@ittsel-Inspiron-N5110:~$ rosdep install rgbdslam_freiburg

ERROR: the following packages/stacks could not have their rosdep keys resolved to system dependencies:

rgbdslam: Cannot locate rosdep definition for [opencv2.3]

ittsel@ittsel-Inspiron-N5110:~$ rosdep check rgbdslam_freiburg

All system dependencies have been satisified

ERROR[rgbdslam]: Cannot locate rosdep definition for [opencv2.3]

rosdep key : opencv2.3

OS name : ubuntu

OS version : precise

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