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20 April 2024

» arxiv » 2211.05256

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Power Efficient Video Super-Resolution on Mobile NPUs with Deep Learning, Mobile AI & AIM 2022 challenge: Report
Andrey Ignatov ; Radu Timofte ; Cheng-Ming Chiang ; Hsien-Kai Kuo ; Yu-Syuan Xu ; Man-Yu Lee ; Allen Lu ; Chia-Ming Cheng ; Chih-Cheng Chen ; Jia-Ying Yong ; Hong-Han Shuai ; Wen-Huang Cheng ; Zhuang Jia ; Tianyu Xu ; Yijian Zhang ; Long Bao ; Heng Sun ; Diankai Zhang ; Si Gao ; Shaoli Liu ; Biao Wu ; Xiaofeng Zhang ; Chengjian Zheng ; Kaidi Lu ; Ning Wang ; Xiao Sun ; HaoDong Wu ; Xuncheng Liu ; Weizhan Zhang ; Caixia Yan ; Haipeng Du ; Qinghua Zheng ; Qi Wang ; Wangdu Chen ; Ran Duan ; Ran Duan ; Mengdi Sun ; Dan Zhu ; Guannan Chen ; Hojin Cho ; Steve Kim ; Shijie Yue ; Chenghua Li ; Zhengyang Zhuge ; Wei Chen ; Wenxu Wang ; Yufeng Zhou ; Xiaochen Cai ; Hengxing Cai ; Kele Xu ; Li Liu ; Zehua Cheng ; Wenyi Lian ; Wenjing Lian ;
Date:	7 Nov 2022
Abstract:	Video super-resolution is one of the most popular tasks on mobile devices, being widely used for an automatic improvement of low-bitrate and low-resolution video streams. While numerous solutions have been proposed for this problem, they are usually quite computationally demanding, demonstrating low FPS rates and power efficiency on mobile devices. In this Mobile AI challenge, we address this problem and propose the participants to design an end-to-end real-time video super-resolution solution for mobile NPUs optimized for low energy consumption. The participants were provided with the REDS training dataset containing video sequences for a 4X video upscaling task. The runtime and power efficiency of all models was evaluated on the powerful MediaTek Dimensity 9000 platform with a dedicated AI processing unit capable of accelerating floating-point and quantized neural networks. All proposed solutions are fully compatible with the above NPU, demonstrating an up to 500 FPS rate and 0.2 [Watt / 30 FPS] power consumption. A detailed description of all models developed in the challenge is provided in this paper.
Source:	arXiv, 2211.05256
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