In this paper we present an approach to the detection and extraction of text in road sign
panels. Text strings, indicators and signs extraction is efficiently performed so OCR …

A major challenge faced by the blind and visually impaired population is that of wayfinding–
the ability of a person to find his or her way to a given destination. We propose a new …

Overlaying visual interface information atop a video signal without obscuring desired
features of the video signal. The video signal may contain one or more pre-selected …

Many domestic appliances and much office equipment is controlled using a keypad and a
small digital display. Programming such devices is problematical for the blind and visually …

Detection and localization of text in videos is an important task towards enabling automatic
content-based retrieval of digital video databases. However, since text is often displayed …

Text detection plays a crucial role in various applications. In this paper we present an edge
based text detection technique in the complex images for multi purpose application. The …

Presentations are becoming an increasingly more common means of communication in
working environments, and slides are often the necessary supporting material on which the …

摘要提出一种字幕区域分割算法. 首先对图像做小波变换和重构, 并抽取字幕区域特征,
再分块计算统计特征; 然后对子块进行K 均值聚类, 实现字幕区域分割. 与已有算法相比 …

Being able to read LCD/LED displays would be a very important step towards greater
independence for persons who are blind or have low vision. A fast graphical model based …

Video text information plays an important role in semantic-based video analysis, indexing
and retrieval. Video texts are closely related to the content of a video. Text-based video …