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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,…

Image and Video Processing · Electrical Eng. & Systems 2023-10-23 Thomas Amestoy , Naty Sidaty , Wassim Hamidouche , Pierrick Philippe , Daniel Menard

The ability to efficiently switch from one pre-encoded video stream to another (e.g., for bitrate adaptation or view switching) is important for many interactive streaming applications. Recently, stream-switching mechanisms based on…

Multimedia · Computer Science 2016-06-29 Wei Dai , Gene Cheung , Ngai-Man Cheung , Antonio Ortega , Oscar C. Au

For data streaming applications, existing solutions are not yet able to close the gap between high data rates and low delay. This work considers the problem of data streaming under mixed delay constraints over a single communication channel…

Information Theory · Computer Science 2022-02-08 Alejandro Cohen , Muriel Médard , Shlomo Shamai

The wide adoption of multimedia service capable mobile devices, the availability of better networks with higher bandwidths, and the availability of platforms offering digital content has led to an increasing popularity of multimedia…

Networking and Internet Architecture · Computer Science 2024-02-12 M. Aguayo , L. Bellido , C. M. Lentisco , E. Pastor

Video capture is limited by the trade-off between spatial and temporal resolution: when capturing videos of high temporal resolution, the spatial resolution decreases due to bandwidth limitations in the capture system. Achieving both high…

Graphics · Computer Science 2018-06-14 Ana Serrano , Elena Garces , Diego Gutierrez , Belen Masia

Internet traffic is dramatically increasing with the development of network technologies and video streaming traffic accounts for large amount within the total traffic, which reveals the importance to guarantee the quality of content…

Networking and Internet Architecture · Computer Science 2023-10-24 Bo Wei , Hang Song , Makoto Nakamura , Koichi Kimura , Nozomu Togawa , Jiro Katto

Video compression is a central feature of the modern internet powering technologies from social media to video conferencing. While video compression continues to mature, for many compression settings, quality loss is still noticeable. These…

Image and Video Processing · Electrical Eng. & Systems 2023-10-31 Max Ehrlich , Jon Barker , Namitha Padmanabhan , Larry Davis , Andrew Tao , Bryan Catanzaro , Abhinav Shrivastava

Video coding has traditionally been developed to support services such as video streaming, videoconferencing, digital TV, and so on. The main intent was to enable human viewing of the encoded content. However, with the advances in deep…

Image and Video Processing · Electrical Eng. & Systems 2024-11-19 Hadi Hadizadeh , Ivan V. Bajić

In this work, we propose a novel rate control algorithm for Versatile Video Coding (VVC) standard based on its distinct rate-distortion characteristics. By modelling the transform coefficients with the composite Cauchy distribution, higher…

Multimedia · Computer Science 2020-08-28 Yunhao Mao , Meng Wang , Shiqi Wang , Sam Kwong

Caching at the wireless edge can be used to keep up with the increasing demand for high-definition wireless video streaming. By prefetching popular content into memory at wireless access points or end-user devices, requests can be served…

Information Theory · Computer Science 2019-12-03 Parisa Hassanzadeh , Antonia M. Tulino , Jaime Llorca , Elza Erkip

A transcoding scheme for the High Efficiency Video Coding (HEVC) is proposed that allows any partial frame modification to be followed by a partial re-compression of only the modified areas, while guaranteeing identical reconstruction of…

Multimedia · Computer Science 2023-12-20 Mohsen Abdoli , Félix Henry , Gordon Clare

Deep video compression has made remarkable process in recent years, with the majority of advancements concentrated on P-frame coding. Although efforts to enhance B-frame coding are ongoing, their compression performance is still far behind…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Xihua Sheng , Li Li , Dong Liu , Shiqi Wang

We introduce a video compression algorithm based on instance-adaptive learning. On each video sequence to be transmitted, we finetune a pretrained compression model. The optimal parameters are transmitted to the receiver along with the…

Image and Video Processing · Electrical Eng. & Systems 2023-06-26 Ties van Rozendaal , Johann Brehmer , Yunfan Zhang , Reza Pourreza , Auke Wiggers , Taco S. Cohen

As the latest video coding standard, versatile video coding (VVC) has shown its ability in retaining pixel quality. To excavate more compression potential for video conference scenarios under ultra-low bitrate, this paper proposes a bitrate…

Image and Video Processing · Electrical Eng. & Systems 2023-03-21 Anni Tang , Yan Huang , Jun Ling , Zhiyu Zhang , Yiwei Zhang , Rong Xie , Li Song

The user experience in adaptive HTTP streaming relies on offering bitrate ladders with suitable operation points for all users and typically involves multiple resolutions. While open GOP coding structures are generally known to provide…

Image and Video Processing · Electrical Eng. & Systems 2021-04-30 Robert Skupin , Christian Bartnik , Adam Wieckowski , Yago Sanchez , Benjamin Bross , Cornelius Hellge , Thomas Schierl

The live streaming is more challenging than on-demand streaming, because the low latency is also a strong requirement in addition to the trade-off between video quality and jitters in playback. To balance several inherently conflicting…

Multimedia · Computer Science 2019-10-15 Huan Peng , Yuan Zhang , Yongbei Yang , Jinyao Yan

The introduction of Dynamic Adaptive Streaming over HTTP (DASH) helped reduce the consumption of resource in video delivery, but its client-based rate adaptation is unable to optimally use the available end-to-end network bandwidth. We…

Networking and Internet Architecture · Computer Science 2015-01-20 Francesco Bronzino , Dragoslav Stojadinovic , Cedric Westphal , Dipankar Raychaudhuri

Due to the soaring popularity of video applications and the consequent rise in video traffic on the Internet, technologies like HTTP Adaptive Streaming (HAS) are crucial for delivering high Quality of Experience (QoE) to consumers. HAS…

Multimedia · Computer Science 2024-09-11 Farzad Tashtarian , Christian Timmerer

Adaptive bitrate (ABR) streaming is the de facto solution for achieving smooth viewing experiences under unstable network conditions. However, most of the existing rate adaptation approaches for ABR are content-agnostic, without considering…

Multimedia · Computer Science 2018-11-19 Guanyu Gao , Linsen Dong , Huaizheng Zhang , Yonggang Wen , Wenjun Zeng

Scalable video coding (SVC) is extended from its predecessor advanced video coding (AVC) because of its flexible transmission to all type of gadgets. However, SVC is more flexible and scalable than AVC, but it is more complex in determining…

Multimedia · Computer Science 2020-09-09 L. Balaji , K. K. Thyagharajan , C. Raja , A. Dhanalakshmi