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As deep convolutional neural networks (DNNs) are widely used in various fields of computer vision, leveraging the overfitting ability of the DNN to achieve video resolution upscaling has become a new trend in the modern video delivery…

计算机视觉与模式识别 · 计算机科学 2023-06-21 Gen Li , Jie Ji , Minghai Qin , Wei Niu , Bin Ren , Fatemeh Afghah , Linke Guo , Xiaolong Ma

The attention mechanism is blooming in computer vision nowadays. However, its application to video quality assessment (VQA) has not been reported. Evaluating the quality of in-the-wild videos is challenging due to the unknown of pristine…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Fengchuang Xing , Yuan-Gen Wang , Hanpin Wang , Leida Li , Guopu Zhu

Stereo video super-resolution (SVSR) aims to enhance the spatial resolution of the low-resolution video by reconstructing the high-resolution video. The key challenges in SVSR are preserving the stereo-consistency and temporal-consistency,…

计算机视觉与模式识别 · 计算机科学 2022-04-22 Hassan Imani , Md Baharul Islam , Lai-Kuan Wong

Multi-frame video enhancement tasks aim to improve the spatial and temporal resolution and quality of video sequences by leveraging temporal information from multiple frames, which are widely used in streaming video processing,…

计算机视觉与模式识别 · 计算机科学 2025-05-27 ZhanFeng Feng , Long Peng , Xin Di , Yong Guo , Wenbo Li , Yulun Zhang , Renjing Pei , Yang Wang , Yang Cao , Zheng-Jun Zha

Spatially dense self-supervised learning is a rapidly growing problem domain with promising applications for unsupervised segmentation and pretraining for dense downstream tasks. Despite the abundance of temporal data in the form of videos,…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Mohammadreza Salehi , Efstratios Gavves , Cees G. M. Snoek , Yuki M. Asano

Multimedia compression allows us to watch videos, see pictures and hear sounds within a limited bandwidth, which helps the flourish of the internet. During the past decades, multimedia compression has achieved great success using hand-craft…

多媒体 · 计算机科学 2023-08-21 Yuhao Cheng , Siru Zhang , Yiqiang Yan , Rong Chen , Yun Zhang

Compressed videos often exhibit visually annoying artifacts, known as Perceivable Encoding Artifacts (PEAs), which dramatically degrade video visual quality. Subjective and objective measures capable of identifying and quantifying various…

图像与视频处理 · 电气工程与系统科学 2023-07-26 Liqun Lin , Yang Zheng , Weiling Chen , Chengdong Lan , Tiesong Zhao

Video generation has achieved remarkable progress with the introduction of diffusion models, which have significantly improved the quality of generated videos. However, recent research has primarily focused on scaling up model training,…

计算机视觉与模式识别 · 计算机科学 2025-01-16 Chenyang Si , Weichen Fan , Zhengyao Lv , Ziqi Huang , Yu Qiao , Ziwei Liu

The increasing popularity of HTTP adaptive video streaming services has dramatically increased bandwidth requirements on operator networks, which attempt to shape their traffic through Deep Packet Inspection (DPI). However, Google and…

多媒体 · 计算机科学 2016-02-22 Ran Dubin , Amit Dvir , Ofir Pele , Ofer Hadar , Itay Richman , Ofir Trabelsi

While video compression algorithms effectively reduce bitrate, aggressive quantization often compromises temporal coherence, introducing artifacts such as flicker, motion inconsistency, and unstable textures. Although spatial quality…

图像与视频处理 · 电气工程与系统科学 2026-05-19 Peter Zsoldos

Encoding textural content remains a challenge for current standardised video codecs. It is therefore beneficial to understand video textures in terms of both their spatio-temporal characteristics and their encoding statistics in order to…

图像与视频处理 · 电气工程与系统科学 2021-02-09 Angeliki V. Katsenou , Mariana Afonso , David R. Bull

Text-driven video editing has recently experienced rapid development. Despite this, evaluating edited videos remains a considerable challenge. Current metrics tend to fail to align with human perceptions, and effective quantitative metrics…

计算机视觉与模式识别 · 计算机科学 2024-12-19 Shangkun Sun , Xiaoyu Liang , Songlin Fan , Wenxu Gao , Wei Gao

The explosive growth of videos on streaming media platforms has underscored the urgent need for effective video quality assessment (VQA) algorithms to monitor and perceptually optimize the quality of streaming videos. However, VQA remains…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Qihang Ge , Wei Sun , Yu Zhang , Yunhao Li , Zhongpeng Ji , Fengyu Sun , Shangling Jui , Xiongkuo Min , Guangtao Zhai

Video quality assessment (VQA) is a crucial task in the development of video compression standards, as it directly impacts the viewer experience. This paper presents the results of the Compressed Video Quality Assessment challenge, held in…

Multimodal Large Language Models (MLLMs) have shown promising progress in understanding and analyzing video content. However, processing long videos remains a significant challenge constrained by LLM's context size. To address this…

Text-to-video (T2V) synthesis has advanced rapidly, yet current evaluation metrics primarily capture visual quality and temporal consistency, offering limited insight into how synthetic videos perform in downstream tasks such as…

计算机视觉与模式识别 · 计算机科学 2025-07-04 Zecheng Zhao , Selena Song , Tong Chen , Zhi Chen , Shazia Sadiq , Yadan Luo

For neural video codec, it is critical, yet challenging, to design an efficient entropy model which can accurately predict the probability distribution of the quantized latent representation. However, most existing video codecs directly use…

图像与视频处理 · 电气工程与系统科学 2022-07-14 Jiahao Li , Bin Li , Yan Lu

This paper deals with the issue of the perceptual quality evaluation of user-generated videos shared online, which is an important step toward designing video-sharing services that maximize users' satisfaction in terms of quality. We first…

多媒体 · 计算机科学 2018-09-17 Soobeom Jang , Jong-Seok Lee

We consider the problem of space-time super-resolution (ST-SR): increasing spatial resolution of video frames and simultaneously interpolating frames to increase the frame rate. Modern approaches handle these axes one at a time. In…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Muhammad Haris , Greg Shakhnarovich , Norimichi Ukita

Temporal realism remains a central weakness of current generative video models, as most evaluation metrics prioritize spatial appearance and offer limited sensitivity to motion. We introduce a scalable, model-agnostic framework that…

计算机视觉与模式识别 · 计算机科学 2025-11-19 Mert Onur Cakiroglu , Idil Bilge Altun , Zhihe Lu , Mehmet Dalkilic , Hasan Kurban