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Screen content coding (SCC) is becoming increasingly important in various applications, such as desktop sharing, video conferencing, and remote education. When compared to natural camera- captured content, screen content has different…

图形学 · 计算机科学 2015-11-12 Haoming Chen , Ankur Saxena , Felix Fernandes

Free-view video (FVV) allows users to explore immersive video content from multiple views. However, delivering FVV poses significant challenges due to the uncertainty in view switching, combined with the substantial bandwidth and…

多媒体 · 计算机科学 2025-01-24 Qiang Hu , Qihan He , Houqiang Zhong , Guo Lu , Xiaoyun Zhang , Guangtao Zhai , Yanfeng Wang

Real-time unmanned aerial vehicle (UAV) video streaming is essential for time-sensitive applications, including remote surveillance, emergency response, and environmental monitoring. However, it faces challenges such as limited bandwidth,…

图像与视频处理 · 电气工程与系统科学 2025-07-10 Xuyang Chen , Chong Huang , Daquan Feng , Lei Luo , Yao Sun , Xiang-Gen Xia

Rate adaptation is one of the most important issues in dynamic adaptive streaming over HTTP (DASH). Due to the frequent fluctuations of the network bandwidth and complex variations of video content, it is difficult to deal with the varying…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Hui Yuan , Xiaoqian Hu , Junhui Hou , Xuekai Wei , Sam Kwong

Deadline-aware transmission scheduling in immersive video streaming is crucial. The objective is to guarantee that at least a certain block in multi-links is fully delivered within their deadlines, which is referred to as delivery ratio.…

网络与互联网体系结构 · 计算机科学 2024-09-02 Tongtong Feng , Qi Qi , Bo He , Jingyu Wang

Content-adaptive compression is crucial for enhancing the adaptability of the pre-trained neural codec for various contents. Although these methods have been very practical in neural image compression (NIC), their application in neural…

图像与视频处理 · 电气工程与系统科学 2024-09-05 Zhenghao Chen , Luping Zhou , Zhihao Hu , Dong Xu

Virtual Reality (VR) applications require high data rate for a high-quality immersive experience, in addition to low latency to avoid dizziness and motion sickness. One of the key wireless VR challenges is providing seamless connectivity…

网络与互联网体系结构 · 计算机科学 2021-10-07 Mostafa Abdelrahman , Mohammed Elbamby , Vilho Räisänen

Streaming applications frequently encounter skewed workloads and execute on heterogeneous clusters. Optimal resource utilization in such adverse conditions becomes a challenge, as it requires inferring the resource capacities and input…

分布式、并行与集群计算 · 计算机科学 2017-10-03 Muhammad Anis Uddin Nasir , Hiroshi Horii , Marco Serafini , Nicolas Kourtellis , Rudy Raymond , Sarunas Girdzijauskas , Takayuki Osogami

Differentially private (DP) stochastic convex optimization (SCO) is ubiquitous in trustworthy machine learning algorithm design. This paper studies the DP-SCO problem with streaming data sampled from a distribution and arrives sequentially.…

机器学习 · 计算机科学 2022-06-17 Yuxuan Han , Zhicong Liang , Zhipeng Liang , Yang Wang , Yuan Yao , Jiheng Zhang

Decentralization for data storage is a challenging problem for blockchain-based solutions as the blocksize plays the key role for scalability. In addition, specific requirements of multimedia data calls for various changes in the blockchain…

分布式、并行与集群计算 · 计算机科学 2022-03-15 Suayb S. Arslan , Turguy Goker

This paper presents a cross-layer video delivery scheme, StreamOptix, and proposes a joint optimization algorithm for video delivery that leverages the characteristics of the physical (PHY), medium access control (MAC), and application…

多媒体 · 计算机科学 2024-06-10 Mufan Liu , Le Yang , Yifan Wang , Yiling Xu , Ye-Kui Wang , Yunfeng Guan

This paper proposes a video delivery strategy for dynamic streaming services which maximizes time-average streaming quality under a playback delay constraint in wireless caching networks. The network where popular videos encoded by scalable…

网络与互联网体系结构 · 计算机科学 2019-03-01 Minseok Choi , Albert No , Mingyue Ji , Joongheon Kim

The Chapter begins with a discussion of the constraints and needs of video coding systems. The lack in flexibility of traditional monolithic codec specifications, not suitable to model commonalities among codecs and foster reusability among…

硬件体系结构 · 计算机科学 2021-03-08 Francesca Palumbo , Carlo Sau

The standard way of training video models entails sampling at each iteration a single clip from a video and optimizing the clip prediction with respect to the video-level label. We argue that a single clip may not have enough temporal…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Xitong Yang , Haoqi Fan , Lorenzo Torresani , Larry Davis , Heng Wang

Perceptual video compression adopts generative video modeling to improve perceptual realism but frequently sacrifices signal fidelity, diverging from the goal of video compression to faithfully reproduce visual signal. To alleviate the…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Ding Ding , Daowen Li , Ying Chen , Yixin Gao , Ruixiao Dong , Kai Li , Li Li

In this paper, we study inter-operator spectrum sharing and intra-operator resource allocation in shared spectrum access communication systems and propose efficient dynamic solutions to address both inter-operator and intra-operator…

Adaptive video streaming relies on the construction of efficient bitrate ladders to deliver the best possible visual quality to viewers under bandwidth constraints. The traditional method of content dependent bitrate ladder selection…

图像与视频处理 · 电气工程与系统科学 2024-09-04 Somdyuti Paul , Andrey Norkin , Alan C. Bovik

Non-orthogonal multiple access (NOMA) has shown potential for scalable multicast of video data. However, one key drawback for NOMA-based video multicast is the limited number of layers allowed by the embedded successive interference…

多媒体 · 计算机科学 2018-12-31 Xiaoda Jiang , Hancheng Lu , Chang Wen Chen , Feng Wu

Caching algorithms try to predict content popularity, and place the content closer to the users. Additionally, nowadays requests are increasingly driven by recommendation systems (RS). These important trends, point to the following:…

网络与互联网体系结构 · 计算机科学 2021-10-05 Theodoros Giannakas , Pavlos Sermpezis , Thrasyvoulos Spyropoulos

In this paper, we study a new problem arising from the emerging MPEG standardization effort Video Coding for Machine (VCM), which aims to bridge the gap between visual feature compression and classical video coding. VCM is committed to…

图像与视频处理 · 电气工程与系统科学 2020-01-10 Sifeng Xia , Kunchangtai Liang , Wenhan Yang , Ling-Yu Duan , Jiaying Liu
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