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Video compression is a critical component of Internet video delivery. Recent work has shown that deep learning techniques can rival or outperform human-designed algorithms, but these methods are significantly less compute and…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Mehrdad Khani , Vibhaalakshmi Sivaraman , Mohammad Alizadeh

Long video understanding poses a significant challenge for current Multi-modal Large Language Models (MLLMs). Notably, the MLLMs are constrained by their limited context lengths and the substantial costs while processing long videos.…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Yan Shu , Zheng Liu , Peitian Zhang , Minghao Qin , Junjie Zhou , Zhengyang Liang , Tiejun Huang , Bo Zhao

Video Salient Document Detection (VSDD) is an essential task of practical computer vision, which aims to highlight visually salient document regions in video frames. Previous techniques for VSDD focus on learning features without…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Hemraj Singh , Mridula Verma , Ramalingaswamy Cheruku

Event cameras encode visual information with high temporal precision, low data-rate, and high-dynamic range. Thanks to these characteristics, event cameras are particularly suited for scenarios with high motion, challenging lighting…

计算机视觉与模式识别 · 计算机科学 2020-12-10 Etienne Perot , Pierre de Tournemire , Davide Nitti , Jonathan Masci , Amos Sironi

Video saliency detection (VSD) aims at fast locating the most attractive objects/things/patterns in a given video clip. Existing VSD-related works have mainly relied on the visual system but paid less attention to the audio aspect, while,…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Chenglizhao Chen , Mengke Song , Wenfeng Song , Li Guo , Muwei Jian

Multiple-object tracking and behavior analysis have been the essential parts of surveillance video analysis for public security and urban management. With billions of surveillance video captured all over the world, multiple-object tracking…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Guojun Yin , Bin Liu , Huihui Zhu , Tao Gong , Nenghai Yu

High frame rates have been known to enhance the perceived visual quality of specific video content. However, the lack of investigation of high frame rates has restricted the expansion of this research field particularly in the context of…

图像与视频处理 · 电气工程与系统科学 2020-06-05 Tariq Rahim , Muhammad Arslan Usman , Soo Young Shin

Video coding is a critical step in all popular methods of streaming video. Marked progress has been made in video quality, compression, and computational efficiency. Recently, there has been an interest in finding ways to apply techniques…

图像与视频处理 · 电气工程与系统科学 2019-05-14 Everett Fall , Kai-wei Chang , Liang-Gee Chen

In video compression, most of the existing deep learning approaches concentrate on the visual quality of a single frame, while ignoring the useful priors as well as the temporal information of adjacent frames. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2019-01-16 Xiandong Meng , Xuan Deng , Shuyuan Zhu , Shuaicheng Liu , Chuan Wang , Chen Chen , Bing Zeng

Standardized lossy video coding is at the core of almost all real-world video processing pipelines. Rate control is used to enable standard codecs to adapt to different network bandwidth conditions or storage constraints. However, standard…

图像与视频处理 · 电气工程与系统科学 2024-10-08 Christoph Reich , Biplob Debnath , Deep Patel , Tim Prangemeier , Daniel Cremers , Srimat Chakradhar

Video Camouflaged Object Detection (VCOD) is a challenging task which aims to identify objects that seamlessly concealed within the background in videos. The dynamic properties of video enable detection of camouflaged objects through motion…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Shuyong Gao , Yu'ang Feng , Qishan Wang , Lingyi Hong , Xinyu Zhou , Liu Fei , Yan Wang , Wenqiang Zhang

One of the core components of conventional (i.e., non-learned) video codecs consists of predicting a frame from a previously-decoded frame, by leveraging temporal correlations. In this paper, we propose an end-to-end learned system for…

图像与视频处理 · 电气工程与系统科学 2020-04-22 Nannan Zou , Honglei Zhang , Francesco Cricri , Hamed R. Tavakoli , Jani Lainema , Emre Aksu , Miska Hannuksela , Esa Rahtu

Video compression has always been a popular research area, where many traditional and deep video compression methods have been proposed. These methods typically rely on signal prediction theory to enhance compression performance by…

计算机视觉与模式识别 · 计算机科学 2023-08-31 Lv Tang , Xinfeng Zhang , Gai Zhang , Xiaoqi Ma

In the video coding process, the perceived quality of a compressed video is evaluated by full-reference quality evaluation metrics. However, it is difficult to obtain reference videos with perfect quality. To solve this problem, it is…

图像与视频处理 · 电气工程与系统科学 2022-05-10 Liqun Lin , Zheng Wang , Jiachen He , Weiling Chen , Yiwen Xu , Tiesong Zhao

In recent years, the proliferation of multimedia applications and formats, such as IPTV, Virtual Reality (VR, 360-degree), and point cloud videos, has presented new challenges to the video compression research community. Simultaneously,…

图像与视频处理 · 电气工程与系统科学 2023-10-23 Thomas Amestoy , Naty Sidaty , Wassim Hamidouche , Pierrick Philippe , Daniel Menard

Recently, many video enhancement methods have been proposed to improve video quality from different aspects such as color, brightness, contrast, and stability. Therefore, how to evaluate the quality of the enhanced video in a way consistent…

图像与视频处理 · 电气工程与系统科学 2023-03-17 Yixuan Gao , Yuqin Cao , Tengchuan Kou , Wei Sun , Yunlong Dong , Xiaohong Liu , Xiongkuo Min , Guangtao Zhai

Many tensor-based data completion methods aim to solve image and video in-painting problems. But, all methods were only developed for a single dataset. In most of real applications, we can usually obtain more than one dataset to reflect one…

计算机视觉与模式识别 · 计算机科学 2014-09-02 Chao Li , Lili Guo , Andrzej Cichocki

The compression quality losses of depth sequences determine quality of view synthesis in free-viewpoint video. The depth map intra prediction in 3D extensions of the HEVC applies intra modes with auxiliary depth modeling modes (DMMs) to…

多媒体 · 计算机科学 2025-11-06 Mansi Sharma , Jyotsana Grover

Advanced video classification systems decode video frames to derive the necessary texture and motion representations for ingestion and analysis by spatio-temporal deep convolutional neural networks (CNNs). However, when considering visual…

计算机视觉与模式识别 · 计算机科学 2019-01-03 Mohammad Jubran , Alhabib Abbas , Aaron Chadha , Yiannis Andreopoulos

Art forms such as movies and television (TV) dramas are reflections of the real world, which have attracted much attention from the multimodal learning community recently. However, existing corpora in this domain share three limitations:…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Chen Li , Xutan Peng , Teng Wang , Yixiao Ge , Mengyang Liu , Xuyuan Xu , Yexin Wang , Ying Shan