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Visual Impairment Description for MPEG-21 Digital Item Adaptation  

Truong Cong Thang (한국정보통신대학원대학교 공학부 영상비디오시스템 연구실)
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Journal of Broadcast Engineering / v.8, no.4, 2003 , pp. 351-364 More about this Journal
Abstract
In this paper, we propose visual Impairment descriptions for MPEG-21 digital item adaptation. The proposed visual impairment descriptions include low vision impairment and color vision deficiency. It is symptom-based description so that the description is systematic enough to sufficiently describe user's any kind of visual impairment characteristics and easy enough to describe for any user with visual impairment. In this paper, we performed some experiments with the proposed description in MPEG-21 digital item adaptation. The experiments showed that the proposed description Is effective to adapt visual resources In digital item for users with visual impairment and to give enhanced visual accessibility to them.
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