An electronic traveler aid for the blind using multiple range sensors

Authors
Kim, LaehyunPark, SehyungLee, SooyongHa, Sungdo
Issue Date
2009-06-10
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Citation
IEICE ELECTRONICS EXPRESS, v.6, no.11, pp.794 - 799
Abstract
This paper presents a novel electronic travel aid, called iSONIC, which can help a visually impaired person walk around more safely. Attached to a conventional white cane, the iSONIC detects obstacles at head-height that cannot be covered by a traditional cane and gives warnings in the forms of vibration or sound to avoid dangerous situations. We developed an algorithm to restrict the sensing range to reduce confusing and unnecessary detections and a method to remove the sensing errors due to the impact of ground tapping. In addition to obstacle detection, the iSONIC give information of object color and the environmental brightness when the user wants to know.
Keywords
electronic travel aids; blind people; range sensor
ISSN
1349-2543
URI
https://pubs.kist.re.kr/handle/201004/132397
DOI
10.1587/elex.6.794
Appears in Collections:
KIST Article > 2009
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