AIS 2024 Challenge on Video Quality Assessment of User-Generated Content: Methods and Results

no code implementations • 24 Apr 2024 • Marcos V. Conde, Saman Zadtootaghaj, Nabajeet Barman, Radu Timofte, Chenlong He, Qi Zheng, Ruoxi Zhu, Zhengzhong Tu, Haiqiang Wang, Xiangguang Chen, Wenhui Meng, Xiang Pan, Huiying Shi, Han Zhu, Xiaozhong Xu, Lei Sun, Zhenzhong Chen, Shan Liu, ZiCheng Zhang, HaoNing Wu, Yingjie Zhou, Chunyi Li, Xiaohong Liu, Weisi Lin, Guangtao Zhai, Wei Sun, Yuqin Cao, Yanwei Jiang, Jun Jia, Zhichao Zhang, Zijian Chen, Weixia Zhang, Xiongkuo Min, Steve Göring, Zihao Qi, Chen Feng

The performance of the top-5 submissions is reviewed and provided here as a survey of diverse deep models for efficient video quality assessment of user-generated content.

NTIRE 2024 Challenge on Short-form UGC Video Quality Assessment: Methods and Results

1 code implementation • 17 Apr 2024 • Xin Li, Kun Yuan, Yajing Pei, Yiting Lu, Ming Sun, Chao Zhou, Zhibo Chen, Radu Timofte, Wei Sun, HaoNing Wu, ZiCheng Zhang, Jun Jia, Zhichao Zhang, Linhan Cao, Qiubo Chen, Xiongkuo Min, Weisi Lin, Guangtao Zhai, Jianhui Sun, Tianyi Wang, Lei LI, Han Kong, Wenxuan Wang, Bing Li, Cheng Luo, Haiqiang Wang, Xiangguang Chen, Wenhui Meng, Xiang Pan, Huiying Shi, Han Zhu, Xiaozhong Xu, Lei Sun, Zhenzhong Chen, Shan Liu, Fangyuan Kong, Haotian Fan, Yifang Xu, Haoran Xu, Mengduo Yang, Jie zhou, Jiaze Li, Shijie Wen, Mai Xu, Da Li, Shunyu Yao, Jiazhi Du, WangMeng Zuo, Zhibo Li, Shuai He, Anlong Ming, Huiyuan Fu, Huadong Ma, Yong Wu, Fie Xue, Guozhi Zhao, Lina Du, Jie Guo, Yu Zhang, huimin zheng, JunHao Chen, Yue Liu, Dulan Zhou, Kele Xu, Qisheng Xu, Tao Sun, Zhixiang Ding, Yuhang Hu

This paper reviews the NTIRE 2024 Challenge on Shortform UGC Video Quality Assessment (S-UGC VQA), where various excellent solutions are submitted and evaluated on the collected dataset KVQ from popular short-form video platform, i. e., Kuaishou/Kwai Platform.

valid Video Quality Assessment +1

AIGIQA-20K: A Large Database for AI-Generated Image Quality Assessment

no code implementations • 4 Apr 2024 • Chunyi Li, Tengchuan Kou, Yixuan Gao, Yuqin Cao, Wei Sun, ZiCheng Zhang, Yingjie Zhou, Zhichao Zhang, Weixia Zhang, HaoNing Wu, Xiaohong Liu, Xiongkuo Min, Guangtao Zhai

With the rapid advancements in AI-Generated Content (AIGC), AI-Generated Images (AIGIs) have been widely applied in entertainment, education, and social media.

Image Quality Assessment

Universal scaling relation and criticality in metabolism and growth of Escherichia coli

no code implementations • 9 Aug 2023 • Shaohua Guan, Zhichao Zhang, Zihan Zhang, Hualin Shi

The metabolic network plays a crucial role in regulating bacterial metabolism and growth, but it is subject to inherent molecular stochasticity.

Relation

Subjective and Objective Quality Assessment for in-the-Wild Computer Graphics Images

1 code implementation • 14 Mar 2023 • ZiCheng Zhang, Wei Sun, Yingjie Zhou, Jun Jia, Zhichao Zhang, Jing Liu, Xiongkuo Min, Guangtao Zhai

Computer graphics images (CGIs) are artificially generated by means of computer programs and are widely perceived under various scenarios, such as games, streaming media, etc.

Image Quality Assessment NR-IQA

Revisiting Communication-Efficient Federated Learning with Balanced Global and Local Updates

no code implementations • 3 May 2022 • Zhigang Yan, Dong Li, Zhichao Zhang, Jiguang He

local update) and that of aggregations (a. k. a.

Federated Learning

Sub-Spectrogram Segmentation for Environmental Sound Classification via Convolutional Recurrent Neural Network and Score Level Fusion

no code implementations • 16 Aug 2019 • Tianhao Qiao, Shunqing Zhang, Zhichao Zhang, Shan Cao, Shugong Xu

Environmental Sound Classification (ESC) is an important and challenging problem, and feature representation is a critical and even decisive factor in ESC.

Classification Environmental Sound Classification +2

Attention based Convolutional Recurrent Neural Network for Environmental Sound Classification

no code implementations • 4 Jul 2019 • Zhichao Zhang, Shugong Xu, Tianhao Qiao, Shunqing Zhang, Shan Cao

In order to deal with this, we employ a frame-level attention model to focus on the semantically relevant frames and salient frames.

Classification Environmental Sound Classification +2