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About this paper

Chunwei Tian, Chengyuan Zhang, Bob Zhang, Zhiwu Li, C. L. Philip Chen, David Zhang

CSRNet performs single-image super-resolution by alternating odd enhancement blocks with asymmetric parallel and serial convolutions, and even blocks with ordinary convolutions and skip connections. The authors train it using cosine learning-rate restarts. It reports the best PSNR and SSIM across four standard benchmark datasets and three scales, including 26.92 dB and 0.8098 on Urban100 at ×4; these results do not establish real-world robustness.

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