Adaptive denoising for strong noisy images by using positive effects of noise Mengen Shen, Jianhua Yang, Miguel A. F. Sanjuán, Yuqiao Zheng and Houguang Liu Eur. Phys. J. Plus, 136 6 (2021) 698 Published online: 28 June 2021 DOI: 10.1140/epjp/s13360-021-01693-5