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김경빈(KyoungBin Kim),정경훈(KyeongHoon Jung) 대한전자공학회 2020 대한전자공학회 학술대회 Vol.2020 No.11
This paper deals with an image-based technique to classify the pattern of braille block in order to guide the visually impaired people. After detecting the region of yellowish braille blocks in predefined ROI, we divide the ROI into three-parts by examining the profile of its projection data in vertical direction. The pattern of the braille block is determined based on the statistical average of each area. Experimental results shows that various basic patters such as ‘going straight’, ‘chainging direction’, ‘branching’, ‘crossing’ and ‘stop’ can be successfully discriminated.