Multilingual scene character recognition with co-occurrence of histogram of oriented gradients

@article{Tian2016MultilingualSC,
  title={Multilingual scene character recognition with co-occurrence of histogram of oriented gradients},
  author={Shangxuan Tian and Ujjwal Bhattacharya and Shijian Lu and Bolan Su and Qingqing Wang and Xiaohua Wei and Yue Lu and Chew Lim Tan},
  journal={Pattern Recognition},
  year={2016},
  volume={51},
  pages={125-134}
}
Automatic machine reading of texts in scenes is largely restricted by the poor character recognition accuracy. In this paper, we extend the Histogram of Oriented Gradient (HOG) and propose two new feature descriptors: Cooccurrence HOG (Co-HOG) and Convolutional Co-HOG (ConvCo-HOG) for accurate recognition of scene texts of different languages. Compared with HOG which counts orientation frequency of each single pixel, the Co-HOG encodes more spatial contextual information by capturing the co… CONTINUE READING
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