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Perceptual video quality assessment plays a vital role in the field of video processing due to the existence of quality degradations introduced in various stages of video signal acquisition, compression, transmission and display. With the…

Multimedia · Computer Science 2024-02-07 Xiongkuo Min , Huiyu Duan , Wei Sun , Yucheng Zhu , Guangtao Zhai

We consider vector-quantized (VQ) transmission of compressed sensing (CS) measurements over noisy channels. Adopting mean-square error (MSE) criterion to measure the distortion between a sparse vector and its reconstruction, we derive…

Information Theory · Computer Science 2014-05-01 Amirpasha Shirazinia , Saikat Chatterjee , Mikael Skoglund

Learned Compression (LC) is the emerging technology for compressing image and video content, using deep neural networks. Despite being new, LC methods have already gained a compression efficiency comparable to state-of-the-art image…

Multimedia · Computer Science 2023-05-11 Farhad Pakdaman , Moncef Gabbouj

Commonly used datasets for evaluating video codecs are all very high quality and not representative of video typically used in video conferencing scenarios. We present the Video Conferencing Dataset (VCD) for evaluating video codecs for…

Image and Video Processing · Electrical Eng. & Systems 2023-11-15 Babak Naderi , Ross Cutler , Nabakumar Singh Khongbantabam , Yasaman Hosseinkashi , Henrik Turbell , Albert Sadovnikov , Quan Zhou

Existing video captioning approaches typically require to first sample video frames from a decoded video and then conduct a subsequent process (e.g., feature extraction and/or captioning model learning). In this pipeline, manual frame…

Computer Vision and Pattern Recognition · Computer Science 2024-01-04 Yaojie Shen , Xin Gu , Kai Xu , Heng Fan , Longyin Wen , Libo Zhang

Images captured in nighttime scenes suffer from severely reduced visibility, hindering effective content perception. Current low-light image enhancement (LLIE) methods face significant challenges: data-driven end-to-end mapping networks…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Tongshun Zhang , Pingping Liu , Zhe Zhang , Qiuzhan Zhou

Video quality assessment (VQA) is an important problem in computer vision. The videos in computer vision applications are usually captured in the wild. We focus on automatically assessing the quality of in-the-wild videos, which is a…

Computer Vision and Pattern Recognition · Computer Science 2021-02-11 Dingquan Li , Tingting Jiang , Ming Jiang

Nowadays, with the vigorous expansion and development of gaming video streaming techniques and services, the expectation of users, especially the mobile phone users, for higher quality of experience is also growing swiftly. As most of the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Shaoguo Wen , Suiyi Ling , Junle Wang , Ximing Chen , Lizhi Fang , Yanqing Jing , Patrick Le Callet

The VALUE (Video-And-Language Understanding Evaluation) benchmark is newly introduced to evaluate and analyze multi-modal representation learning algorithms on three video-and-language tasks: Retrieval, QA, and Captioning. The main…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 Minchul Shin , Jonghwan Mun , Kyoung-Woon On , Woo-Young Kang , Gunsoo Han , Eun-Sol Kim

Video coding standards are essential to enable the interoperability and widespread adoption of efficient video compression technologies. In pursuit of greater video compression efficiency, the AVS video coding working group launched the…

Image and Video Processing · Electrical Eng. & Systems 2026-02-03 Xihua Sheng , Xiongzhuang Liang , Chuanbo Tang , Zhirui Zuo , Yifan Bian , Yutao Xie , Zhuoyuan Li , Yuqi Li , Hui Xiang , Li Li , Dong Liu

Lossy image compression is pervasively conducted to save communication bandwidth, resulting in undesirable compression artifacts. Recently, extensive approaches have been proposed to reduce image compression artifacts at the decoder side;…

Image and Video Processing · Electrical Eng. & Systems 2020-10-13 Qunliang Xing , Mai Xu , Tianyi Li , Zhenyu Guan

We focus on contrastive methods for self-supervised video representation learning. A common paradigm in contrastive learning is to construct positive pairs by sampling different data views for the same instance, with different data…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Chen Sun , Arsha Nagrani , Yonglong Tian , Cordelia Schmid

Stereoscopic video conferencing is still challenging due to the need to compress stereo RGB-D video in real-time. Though hardware implementations of standard video codecs such as H.264 / AVC and HEVC are widely available, they are not…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Yueyu Hu , Onur G. Guleryuz , Philip A. Chou , Danhang Tang , Jonathan Taylor , Rus Maxham , Yao Wang

Mixture-of-Experts(MoE) Vision-Language Models (VLMs) offer remarkable performance but incur prohibitive memory and computational costs, making compression essential. Post-Training Quantization (PTQ) is an effective training-free technique…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Guangshuo Qin , Zhiteng Li , Zheng Chen , Weihang Zhang , Linghe Kong , Yulun Zhang

Video quality assessment (VQA) has attracted growing attention in recent years. While the great expense of annotating large-scale VQA datasets has become the main obstacle for current deep-learning methods. To surmount the constraint of…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Hongbo Liu , Mingda Wu , Kun Yuan , Ming Sun , Yansong Tang , Chuanchuan Zheng , Xing Wen , Xiu Li

Video compression plays a crucial role in video streaming and classification systems by maximizing the end-user quality of experience (QoE) at a given bandwidth budget. In this paper, we conduct the first systematic study for adversarial…

Computer Vision and Pattern Recognition · Computer Science 2022-12-09 Jung-Woo Chang , Mojan Javaheripi , Seira Hidano , Farinaz Koushanfar

The volume of remote sensing data is experiencing rapid growth, primarily due to the plethora of space and air platforms equipped with an array of sensors. Due to limited hardware and battery constraints the data is transmitted back to…

Image and Video Processing · Electrical Eng. & Systems 2024-04-18 Alessandro Giuliano , S. Andrew Gadsden , Waleed Hilal , John Yawney

The integration of advanced video codecs into the streaming pipeline is growing in response to the increasing demand for high quality video content. However, the significant computational demand for advanced codecs like Versatile Video…

Multimedia · Computer Science 2023-12-14 Yiqun Liu , Hadi Amirpour , Mohsen Abdoli , Christian Timmerer , Thomas Guionnet

Composed video retrieval (CoVR) is a challenging problem in computer vision which has recently highlighted the integration of modification text with visual queries for more sophisticated video search in large databases. Existing works…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Omkar Thawakar , Muzammal Naseer , Rao Muhammad Anwer , Salman Khan , Michael Felsberg , Mubarak Shah , Fahad Shahbaz Khan

The growing context length of Large Language Models (LLMs) enlarges the Key-Value (KV) cache, limiting deployment in resource-limited environments. Prior training-free approaches for KV cache compression typically rely on low-rank…

Computation and Language · Computer Science 2026-03-18 Yixuan Wang , Qingyu Shi , Jiayu Zhou , Dianbo Liu , Ziwei He , Zhouhan Lin
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