Optimal halftoning for tactile imaging

Author

Nayak, Amit ; Barner, Kenneth E.

Author_Institution

Dept. of Electr. & Comput. Eng., Univ. of Delaware, Newark, DE, USA

Volume

12

Issue

2

fYear

2004

fDate

6/1/2004 12:00:00 AM

Firstpage

216

Lastpage

227

Abstract

Reading of text and understanding images by touch is an important alternative and additional source of information when sight is absent or lost. Tactile graphics and models such as edge maps, binary output, etc., are the solution for simple access to images for blind persons. This paper introduces an approach to model the human tactile system based on the responses produced by stimuli on microcapsule paper. This system is utilized for the purpose of generating optimum halftone patterns on microcapsule paper that can be utilized for the effective generation of tactile graphics.

Keywords

handicapped aids; haptic interfaces; image enhancement; medical image processing; touch (physiological); vision defects; blindness; human tactile system; microcapsule paper; optimal halftoning; tactile graphics; tactile imaging; texture; touch; Auditory system; Data mining; Displays; Fingers; Graphics; Humans; Image converters; Information resources; Visualization; Writing; Adult; Blindness; Computer Simulation; Female; Fingers; Humans; Image Interpretation, Computer-Assisted; Male; Models, Biological; Reading; Sensory Aids; Signal Processing, Computer-Assisted; Touch;

fLanguage

English

Journal_Title

Neural Systems and Rehabilitation Engineering, IEEE Transactions on

Publisher

ieee

ISSN

1534-4320

Type

jour

DOI

10.1109/TNSRE.2003.819885

Filename

1304863