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Related papers: Adaptive Video Encoding For Different Video Codecs

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Current developments in video encoding technology lead to continuously improving compression performance but at the expense of increasingly higher computational demands. Regarding the online video traffic increases during the last years and…

Image and Video Processing · Electrical Eng. & Systems 2023-07-12 Lena Eichermüller , Gaurang Chaudhari , Ioannis Katsavounidis , Zhijun Lei , Hassene Tmar , André Kaup , Christian Herglotz

The recent progress in artificial intelligence has led to an ever-increasing usage of images and videos by machine analysis algorithms, mainly neural networks. Nonetheless, compression, storage and transmission of media have traditionally…

Image and Video Processing · Electrical Eng. & Systems 2024-01-22 Jukka I. Ahonen , Nam Le , Honglei Zhang , Antti Hallapuro , Francesco Cricri , Hamed Rezazadegan Tavakoli , Miska M. Hannuksela , Esa Rahtu

While learned video codecs have demonstrated great promise, they have yet to achieve sufficient efficiency for practical deployment. In this work, we propose several novel ideas for learned video compression which allow for improved…

Image and Video Processing · Electrical Eng. & Systems 2021-10-06 Oren Rippel , Alexander G. Anderson , Kedar Tatwawadi , Sanjay Nair , Craig Lytle , Lubomir Bourdev

Enabling high compression efficiency while keeping encoding energy consumption at a low level, requires prioritization of which videos need more sophisticated encoding techniques. However, the effects vary highly based on the content, and…

Image and Video Processing · Electrical Eng. & Systems 2024-07-09 Lena Eichermüller , Gaurang Chaudhari , Ioannis Katsavounidis , Zhijun Lei , Hassene Tmar , Christian Herglotz , André Kaup

We present a new algorithm for video coding, learned end-to-end for the low-latency mode. In this setting, our approach outperforms all existing video codecs across nearly the entire bitrate range. To our knowledge, this is the first…

Image and Video Processing · Electrical Eng. & Systems 2018-11-20 Oren Rippel , Sanjay Nair , Carissa Lew , Steve Branson , Alexander G. Anderson , Lubomir Bourdev

To provide users with more realistic visual experiences, videos are developing in the trends of Ultra High Definition (UHD), High Frame Rate (HFR), High Dynamic Range (HDR), Wide Color Gammut (WCG) and high clarity. However, the data amount…

Multimedia · Computer Science 2022-11-17 Yun Zhang , Linwei Zhu , Gangyi Jiang , Sam Kwong , C. -C. Jay Kuo

With the ongoing advancement of video technology and the emergence of new video platforms, suppliers of video contents are striving to ensure that the video quality meets the desire of consumers. Accessing a limited amount of channel…

Image and Video Processing · Electrical Eng. & Systems 2024-08-20 Masoumeh Farhadi Nia

For $360^{\circ}$ video streaming, FoV-adaptive coding that allocates more bits for the predicted user's field of view (FoV) is an effective way to maximize the rendered video quality under the limited bandwidth. We develop a low-latency…

Image and Video Processing · Electrical Eng. & Systems 2024-03-19 Yixiang Mao , Liyang Sun , Yong Liu , Yao Wang

In recent years, the global demand for high-resolution videos and the emergence of new multimedia applications have created the need for a new video coding standard. Hence, in July 2020 the Versatile Video Coding (VVC) standard was released…

Image and Video Processing · Electrical Eng. & Systems 2022-07-01 Anup Saha , Wassim Hamidouche , Miguel Chavarrías , Guillaume Gautier , Fernando Pescador , Ibrahim Farhat

Modern video encoders have evolved into sophisticated pieces of software in which various coding tools interact with each other. In the past, singlepass encoding was not considered for Video-On-Demand (VOD) use cases. In this work, we…

Image and Video Processing · Electrical Eng. & Systems 2024-04-09 Vibhoothi Vibhoothi , Julien Zouein , François Pitié , Anil Kokaram

One of the challenges faced by many video providers is the heterogeneity of network specifications, user requirements, and content compression performance. The universal solution of a fixed bitrate ladder is inadequate in ensuring a high…

Image and Video Processing · Electrical Eng. & Systems 2021-11-02 Angeliki V. Katsenou , Joel Sole , David R. Bull

Video streaming often requires transcoding content into different resolutions and bitrates to match the recipient's internet speed and screen capabilities. Video encoders like x264 offer various presets, each with different tradeoffs…

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

The upcoming video coding standard, Versatile Video Coding (VVC), has shown great improvement compared to its predecessor, High Efficiency Video Coding (HEVC), in terms of bitrate saving. Despite its substantial performance, compressed…

Image and Video Processing · Electrical Eng. & Systems 2021-12-09 Fatemeh Nasiri , Wassim Hamidouche , Luce Morin , Nicolas Dhollande , Gildas Cocherel

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

Recently, learned video compression has drawn lots of attention and show a rapid development trend with promising results. However, the previous works still suffer from some criticial issues and have a performance gap with traditional…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Yibo Shi , Yunying Ge , Jing Wang , Jue Mao

Over the past decade, the utilization of UAVs has witnessed significant growth, owing to their agility, rapid deployment, and maneuverability. In particular, the use of UAV-mounted 360-degree cameras to capture omnidirectional videos has…

Image and Video Processing · Electrical Eng. & Systems 2023-11-02 Mohit K. Sharma , Chen-Feng Liu , Ibrahim Farhat , Nassim Sehad , Wassim Hamidouche , Merouane Debbah

Conventional video compression approaches use the predictive coding architecture and encode the corresponding motion information and residual information. In this paper, taking advantage of both classical architecture in the conventional…

Image and Video Processing · Electrical Eng. & Systems 2019-04-09 Guo Lu , Wanli Ouyang , Dong Xu , Xiaoyun Zhang , Chunlei Cai , Zhiyong Gao

The ever-growing multimedia traffic has underscored the importance of effective multimedia codecs. Among them, the up-to-date lossy video coding standard, Versatile Video Coding (VVC), has been attracting attentions of video coding…

Image and Video Processing · Electrical Eng. & Systems 2022-05-10 Tiesong Zhao , Yuhang Huang , Weize Feng , Yiwen Xu , Sam Kwong

Content providers increasingly replace traditional constant bitrate with variable bitrate (VBR) encoding in real-time video communication systems for better video quality. However, VBR encoding often leads to large and frequent bitrate…

Multimedia · Computer Science 2023-07-10 Zicheng Zhang , Hao Chen , Xun Cao , Zhan Ma