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字形计算实验室

近日,实验室一篇论文被国际顶级会议ACM MM 2020接收,信息如下:


论文名称:Exploring Font-independent Features for Scene Text Recognition


作者列表: Y. Wang, Z. Lian*


摘要:

Scene text recognition (STR) has been extensively studied in last

few years. Many recently-proposed methods are specially designed

to accommodate the arbitrary shape, layout and orientation of

scene texts, but ignoring that various font (or writing) styles also

pose severe challenges to STR. These methods, where font features

and content features of characters are tangled, perform poorly in

text recognition on scene images with texts in novel font styles. To

addressthisproblem,weexplorefont-independentfeaturesofscene

texts via attentional generation of glyphs in a large number of font

styles.Specifically,we introduce trainable font embeddings to shape

the font styles of generated glyphs, with the image feature of scene

text only representing its essential patterns. The generation process

is directed by the spatial attention mechanism, which effectively

copes with irregular texts and generates higher-quality glyphs

than existing image-to-image translation methods. Experiments

conducted on several STR benchmarks demonstrate the superiority

of our method compared to the state of the art.


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