Detection of Train Platform Curb from an Image.

概要

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When the blind walks using a white cane, it is very difficult to detect down steps. For the purpose of mobility aid for the blind, this paper presents a new method for detecting the position and direction of train platform curb which is one of the most dangerous down step, by using an image sensor. First, the lines of lights on the ceiling, and horizontal lines of the station signboard are extracted from an image. Then, the candidate lines of the train platform curb are extracted, and the true train platform curb is determined by selecting the candidate lines with the information of the lines of lights and horizontal lines of the station signboard. The effectiveness of the proposed method is shown from extensive experiments for real images of subway platform scenes.
公益社団法人計測自動制御学会の論文