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It is well known that it is difficult for local stereo algorithms to obtain correct disparities at occluded regions and depth discontinuities. In order to increase matching accuracy, current algorithms always use some disparity refinement measures. An adaptive algorithm to refine disparities based on color and distances has got good results but still not satisfactory. This paper proposes a simple...
In this paper, we consider the problem of vision based stairway recognition. This is a fundamental task for the navigation of robot's autonomous stairway climbing, as well as stairway modeling in mapping and building reconstruction. A serious challenge of this task is the vibration of the robot and the poor illuminating conditions. Under the influence of these factors, blurred images can be produced...
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