Variable bitrate ≈ Variable bitrate
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A Survey on Bitrate Adaptation Schemes for Streaming Media Over HTTP Open
In this survey, we present state-of-the-art bitrate adaptation algorithms for HTTP adaptive streaming (HAS). As a key distinction from other streaming approaches, the bitrate adaptation algorithms in HAS are chiefly executed at each client…
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Phenaki: Variable Length Video Generation From Open Domain Textual Description Open
We present Phenaki, a model capable of realistic video synthesis, given a sequence of textual prompts. Generating videos from text is particularly challenging due to the computational cost, limited quantities of high quality text-video dat…
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Content-gnostic Bitrate Ladder Prediction for Adaptive Video Streaming Open
A challenge that many video providers face is the heterogeneity of networks and display devices for streaming, as well as dealing with a wide variety of content with different encoding performance. In the past, a fixed bit rate ladder solu…
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Detection of Double Compression for HEVC Videos With Fake Bitrate Open
Bitrate is an important criterion for digital video quality. Forgers prefer to up-convert bitrate of videos without improving the video quality at all, especially for videos over the Internet. Therefore, proposing an effective algorithm to…
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Ultra-Low Bitrate Video Conferencing Using Deep Image Animation Open
In this work we propose a novel deep learning approach for ultra-low bitrate video compression for video conferencing applications. To address the shortcomings of current video compression paradigms when the available bandwidth is extremel…
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CtuNet: A Deep Learning-based Framework for Fast CTU Partitioning of H265/HEVC Intra- coding Open
Nowadays, real-time multimedia applications mandate high video quality while maintaining reasonable bitrates. The H.264 coding delivered inexpensive bitrate costs compared to other coding schemes while maintaining high-grade video quality,…
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VMAF-based Bitrate Ladder Estimation for Adaptive Streaming Open
In HTTP Adaptive Streaming, video content is conventionally encoded by\nadapting its spatial resolution and quantization level to best match the\nprevailing network state and display characteristics. It is well known that the\ntraditional …
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Improving QoE of ABR Streaming Sessions through QUIC Retransmissions Open
While adaptive bitrate (ABR) streaming has contributed significantly to the reduction of video playout stalling, ABR clients continue to suffer from the variation of bit rate qualities over the duration of a streaming session. Similar to s…
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Balancing Quality of Experience and Traffic Volume in Adaptive Bitrate Streaming Open
Adaptive bitrate (ABR) streaming services have spread with advances in the codec, video streaming, and network technologies. For smooth video playback in ABR streaming services, a video player runs an ABR algorithm, which dynamically adjus…
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CBREN: Convolutional Neural Networks for Constant Bit Rate Video Quality Enhancement Open
Constant bit rate (CBR) videos are widely used in streaming playback applications. However, the image quality of the CBR video is often unstable, especially for scenes with large motion. To this end, we design a new model to represent the …
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Bitrate Adaptation for Video Streaming Services in Edge Caching Systems Open
With the evolution of 5G networks, mobile edge computing (MEC) is being considered as a key enabler for realizing significant improvements in heterogeneous video streaming services. This is because MEC provides storage and computation reso…
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JND-Aware Two-Pass Per-Title Encoding Scheme for Adaptive Live Streaming Open
Adaptive live video streaming applications utilize a predefined collection of bitrate-resolution pairs, known as a bitrate ladder , for simplicity and efficiency, eliminating the need for additional run-time to determine the optimal pairs …
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QoE in 5G cloud networks using multimedia services Open
The 4G standard Long Term Evolution-Advanced(LTE-A) has been deployed in many countries. Now, technologyis evolving towards the 5G standard since it is expecting tostart its service in 2020. The 5G cellular networks will mainlycontain in c…
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Adaptive Chunklets and AQM for Higher-Performance Content Streaming Open
Commercial streaming services such as Netflix and YouTube use proprietary HTTP-based adaptive streaming (HAS) techniques to deliver content to consumers worldwide. MPEG recently developed Dynamic Adaptive Streaming over HTTP (DASH) as a un…
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Assessing the Quality-of-Experience of Adaptive Bitrate Video Streaming Open
The diversity of video delivery pipeline poses a grand challenge to the evaluation of adaptive bitrate (ABR) streaming algorithms and objective quality-of-experience (QoE) models. Here we introduce so-far the largest subject-rated database…
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Evaluation of Throughput Prediction for Adaptive Bitrate Control Using Trace-Based Emulation Open
Dynamic adaptive video streaming over HTTP (DASH) is widely studied and has been adopted in modern video players to ensure user quality of experience (QoE). In DASH, adaptive bitrate control is a key part whose ultimate goal is to maximize…
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Fingerprinting Technique for YouTube Videos Identification in Network Traffic Open
Recently, many video streaming services, such as YouTube, Twitch, and Facebook, have contributed to video streaming traffic, leading to the possibility of streaming unwanted and inappropriate content to minors or individuals at workplaces.…
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1Mbps is enough: Video quality and individual idiosyncrasies in multiparty HD video-conferencing Open
Most video platforms deliver HD video in high bitrate encoding. Modern video-conferencing systems are capable of handling HD streams, but using multiparty conferencing, average internet connections in the home are on their bandwidth limit.…
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New objective QoE models for evaluating ABR algorithms in DASH Open
[EN] As users become more demanding with regards to the consumption of multimedia content, the importance of measuring their level of satisfaction is growing. The difficulty in terms of time and resources for assessing the Quality of Exper…
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A Novel Adaptation Method for HTTP Streaming of VBR Videos over Mobile Networks Open
Recently, HTTP streaming has become very popular for delivering videos over the Internet. For adaptivity, a provider should generate multiple versions of a video as well as the related metadata. Various adaptation methods have been propose…
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Review on QoS Provisioning Approaches for Supporting Video Traffic in IEEE802.11e: Challenges and Issues Open
Recently, the demand for multimedia applications is dramatically increased, which in turn increases the portion of video traffic on the Internet. The video streams, which require stringent Quality of Service (QoS), are expected to occupy m…
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SUPERVEGAN: Super Resolution Video Enhancement GAN for Perceptually Improving Low Bitrate Streams Open
This paper presents a novel model family that we call SUPERVEGAN, for the problem of video enhancement for low bitrate streams by simultaneous video super resolution and removal of compression artifacts from low bitrates (e.g. 250Kbps). Ou…
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EVeREst: Bitrate Adaptation for Cloud VR Open
Cloud Virtual Reality (VR) technology is expected to promote VR by providing a higher Quality of Experience (QoE) and energy efficiency at lower prices for the consumer. In cloud VR, the virtual environment is rendered on the remote server…
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MuZero with Self-competition for Rate Control in VP9 Video Compression Open
Video streaming usage has seen a significant rise as entertainment, education, and business increasingly rely on online video. Optimizing video compression has the potential to increase access and quality of content to users, and reduce en…
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Optimized viewport‐adaptive 360‐degree video streaming Open
Because of the rapid growth of head‐mounted displays and 5G networking deployment, 360‐degree video has become increasingly popular. To generate the real experience of a virtual environment, 360‐degree videos require an ultrahigh resolutio…
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Encoding Bitrate Optimization Using Playback Statistics for HTTP-based Adaptive Video Streaming Open
HTTP video streaming is in wide use to deliver video over the Internet. With HTTP adaptive steaming, a video playback dynamically selects a video stream from a pre-encoded representation based on available bandwidth and viewport (screen) s…
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QoE Aware Video Streaming Scheme Utilizing GRU-Based Bandwidth Prediction and Adaptive Bitrate Selection for Heterogeneous Mobile Networks Open
Nowadays, video streaming has become a popular form of multimedia for communication and entertainment. The rapid traffic explosion spurred by the development of emerging video-centric services such as e-science, virtual reality, and video …
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Stream-Based Visually Lossless Data Compression Applying Variable Bit-Length ADPCM Encoding Open
Video applications have become one of the major services in the engineering field, which are implemented by server–client systems connected via the Internet, broadcasting services for mobile devices such as smartphones and surveillance cam…
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Enforcing Bitrate-Stability for Adaptive Streaming Traffic in Cellular Networks Open
International audience
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Very Low Bitrate Semantic Compression of Airplane Cockpit Screen Content Open
International audience