1994 Fiscal Year Final Research Report Summary
Multi-modal Diagrammatic Information Presentation System for the Blind
| Project/Area Number |
04558009
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| Research Category |
Grant-in-Aid for Developmental Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Informatics
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| Research Institution | Nagoya University |
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Principal Investigator |
OHNISHI Noboru Nagoya Univ., School of Engineering, Prof., 工学部, 教授 (70185338)
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| Co-Investigator(Kenkyū-buntansha) |
YAMAMURA Tsuyoshi Nagoya Univ., School of Engineering, Assist.Prof., 工学部, 助手 (00242826)
SAGAWA Yuji Nagoya Univ., School of Engineering, Assist.Prof., 工学部, 講師 (90242833)
SUGIE Noboru Meijo Univ., Faculty of Science and Technology, Prof., 理工学部, 教授 (30126867)
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| Project Period (FY) |
1992 – 1994
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| Keywords | Vision Substitution / Map Information / Multi-modality / Tactile Sense / Auditory Sense / Linguistic Information / Data Base / Rehabilitation Aids |
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| Research Abstract |
This project has developed a multi-modal vision substitution system, by which blind persons can access diagrammatic information such as a map, a figure etc.. Global information of a diagram, such as road layout, is presented on a tactile display (8 x 8 pin matrix) and fine one, such as landmarks, is outputted as synthesized voice. Thus a diagram is represented as a tactile audio diagram. Blind persons can read diagram through tactile and auditory senses by interactive communication with the system. Furthermore they can draw a diagram via the tactile display, setting pin's height and inputting voice. Generated diagram is stored in the system and is easily modified by adding new information or deleting.
We conducted a preliminary field test by blind students to evaluate the system. Based on its results we made improvements the system ; decrease of operations by hands, use of earcon.
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