We confirmed the feasibility of the system and the effectiveness of the proposed interaction techniques through user studies. In addition, by considering the properties of the human visual system, we propose a simple visual effect to reduce the legibility degradation of the projected image contents by the complex textures and geometric irregularities of the spines. This paper also presents sensing technologies to achieve the above mentioned interactive techniques. In book storing support, when a user brings a book close to the bookshelf, the place where the book should be stored is visually highlighted by a projection light. As a result, the user can search for a desired book by sliding his (or her) finger across the shelf edge. In book searching support, when a user touches the edge of the bookshelf, the cover image of a stored book located above the touched position is projected directly onto the book spine. We propose an interactive bookshelf surface to augment a human ability for in situ book searching and storing. © 2015 Higher Education Press and Springer-Verlag Berlin Heidelberg In summary, this literature review can serve as a good reference for researchers in the areas of scene text detection and recognition. Moreover, this paper provides comprehensive links to publicly available resources, including benchmark datasets, source codes, and online demos. The purposes of this survey are three-fold: 1) introduce up-to-date works, 2) identify state-of-the-art algorithms, and 3) predict potential research directions in the future. noise, blur, distortion, occlusion and variation) still remain. Especially in recent years, the community has seen a surge of research efforts and substantial progresses in these fields, though a variety of challenges (e.g. The rich and precise information embodied in text is very useful in a wide range of vision-based applications, therefore text detection and recognition in natural scenes have become important and active research topics in computer vision and document analysis. Text, as one of the most influential inventions of humanity, has played an important role in human life, so far from ancient times.
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