Multiorientation scene text detection via coarse-to-fine supervision-based convolutional networks

Xihan Wang; Zhaoqiang Xia; Jinye Peng; Xiaoyi Feng

doi:10.1117/1.JEI.27.3.033032

7 June 2018 Multiorientation scene text detection via coarse-to-fine supervision-based convolutional networks

Xihan Wang, Zhaoqiang Xia, Jinye Peng, Xiaoyi Feng

Author Affiliations +

Journal of Electronic Imaging, Vol. 27, Issue 3, 033032 (June 2018). https://doi.org/10.1117/1.JEI.27.3.033032

Abstract

Text detection in natural scenes has long been an open challenge and a lot of approaches have been presented, in which the deep learning-based methods have achieved state-of-the-art performance. However, most of them merely use coarse-level supervision information, limiting the detection effectiveness. We propose a deep method utilizing coarse-to-fine supervisions for multiorientation scene text detection. The coarse-to-fine supervisions are generated in three levels: coarse text region (TR), text central line, and fine character shape. With these multiple supervisions, the multiscale feature pyramids and deeply supervised nets are integrated in a unified architecture, and the corresponding convolutional kernels are learned jointly. An effective top-down pipeline is developed to obtain more precise text segmentation regions and their relationship from coarse TR. In addition, the proposed method can handle texts in multiple orientations and languages. Four public datasets, i.e., ICDAR2013, MSRA-TD500, USTB, and street view text dataset, are used to evaluate the performance of our proposed method. The experimental results show that our method achieves the state-of-the-art performance.

Citation Download Citation

Xihan Wang, Zhaoqiang Xia, Jinye Peng, and Xiaoyi Feng "Multiorientation scene text detection via coarse-to-fine supervision-based convolutional networks," Journal of Electronic Imaging 27(3), 033032 (7 June 2018). https://doi.org/10.1117/1.JEI.27.3.033032

Received: 6 January 2018; Accepted: 15 May 2018; Published: 7 June 2018

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