Papers › Deep Laplacian Pyramid Network for Text Images Super-Resolution
Deep Laplacian Pyramid Network for Text Images Super-Resolution
Hanh T. M. Tran, Tien Ho-Phuoc
Convolutional neural networks have recently demonstrated interesting results for single image super-resolution. However, these networks were trained to deal with super-resolution problem on natural images. In this paper, we adapt a deep network, which was proposed for natural images superresolution, to single text image super-resolution. To evaluate the network, we present our database for single text image super-resolution. Moreover, we propose to combine Gradient Difference Loss (GDL) with L1/L2 loss to enhance edges in super-resolution image. Quantitative and qualitative evaluations on our dataset show that adding the GDL improves the super-resolution results.
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