Image analysis – Applications – Reading aids for the visually impaired
Patent
1996-05-10
1999-03-02
Au, Amelia
Image analysis
Applications
Reading aids for the visually impaired
341 21, 348 62, 382128, 134434, 623 4, A61F 908
Patent
active
058781544
ABSTRACT:
An apparatus enables the blind and the severely visually handicapped to recognize images by way of the tongue. Optical image information, in the form of video images, is processed electronically and transferred as an image representation to flat monitor matrix which is worn in the oral cavity in the tactile region of the tongue. Electrical current density, temperature or relief images are used to create the representations, whereby the images can be scanned by the tongue and recognized. High image resolution is attainable over the matrix region, and the tip of the tongue can be concentrated on any image detail, thus approximating sharp vision perceived by the normal eye.
REFERENCES:
patent: 3612061 (1971-10-01), Collins et al.
patent: 3766311 (1973-10-01), Boll
patent: 4972501 (1990-11-01), Horyu
Collins, C.C., A Microcomputer Based Blind Mobility Aid, Frontiers of Engineering and Computing in Health Care -1984. Proceedings --Sixth Annual Conference of the IEEE Engineering in Medicine and Biology Society, pp. 52-55, Sep. 1984.
Jarmul et al., Investigation of Significant Interface Parameters Involved in the Electromechanical Transfer of Tactile Information, Proceedings of the Fifteenth Annual Northeast Bioengineering Conference, IEEE, pp. 43-44, Mar. 1989.
Kaczmarek et al., A Tactile Vision-Substitution System for the Blind: Computer-Controlled Partial Image Sequencing, IEEE Transactions on Biomedical Engineering, pp. 602-660, Aug. 1985.
Collins, C.C. Tactile Television-Mechanical and Electrical Image Projection, IEEE Transactions on Man-Machine Systems, Mar. 1970
Heller et al., Determining Reading and Writing Media for Individuals with Visual and Physical Impairments, Journal of Visual Impairment and Blindness, pp. 162, Mar. 1998.
IIBM Technical Disclosure Bulletin, vol. 32, No. 12, pp. 445-447, May 1990.
Au Amelia
Bobys Marc
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