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Video streaming is in high demand by mobile users, as recent studies indicate. In cellular networks, however, the unreliable wireless channel leads to two major problems. Poor channel states degrade video quality and interrupt the playback…

网络与互联网体系结构 · 计算机科学 2015-04-22 Martin Dräxler , Johannes Blobel , Philipp Dreimann , Stefan Valentin , Holger Karl

High resolution images can be acquired using a non-regular sampling sensor which consists of an underlying low resolution sensor that is covered with a non-regular sampling mask. The reconstructed high resolution image is then obtained…

图像与视频处理 · 电气工程与系统科学 2022-04-08 Markus Jonscher , Karina Jaskolka , Jürgen Seiler , André Kaup

Video anomaly detection (VAD) is an important but challenging task in computer vision. The main challenge rises due to the rarity of training samples to model all anomaly cases. Hence, semi-supervised anomaly detection methods have gotten…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Mohammad Baradaran , Robert Bergevin

This paper describes a new approach for allocating resources to video streaming traffic. Assuming that the future channel state can be predicted for a certain time, we minimize the fraction of the bandwidth consumed for smooth streaming by…

多媒体 · 计算机科学 2013-04-11 Sanam Sadr , Stefan Valentin

This paper introduces a framework for super-resolution of scalable video based on compressive sensing and sparse representation of residual frames in reconnaissance and surveillance applications. We exploit efficient compressive sampling…

计算机视觉与模式识别 · 计算机科学 2017-08-01 Mohammad Hossein Moghaddam , Mohammad Javad Azizipour , Saeed Vahidian , Besma Smida

Motion blur in videos captured by autonomous vehicles and robots can degrade their perception capability. In this work, we present a novel approach to video deblurring by fitting a deep network to the test video. Our key observation is that…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Xuanchi Ren , Zian Qian , Qifeng Chen

In anticipatory networking, channel prediction is used to improve communication performance. This paper describes a new approach for allocating resources to video streaming traffic while accounting for quality of service. The proposed…

网络与互联网体系结构 · 计算机科学 2016-03-09 Dimitrios Tsilimantos , Amaya Nogales-Gómez , Stefan Valentin

Video question-answering is a fundamental task in the field of video understanding. Although current vision--language models (VLMs) equipped with Video Transformers have enabled temporal modeling and yielded superior results, they are at…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Wei Han , Hui Chen , Min-Yen Kan , Soujanya Poria

While great strides have been made in using deep learning algorithms to solve supervised learning tasks, the problem of unsupervised learning - leveraging unlabeled examples to learn about the structure of a domain - remains a difficult…

机器学习 · 计算机科学 2017-03-02 William Lotter , Gabriel Kreiman , David Cox

With the advent of perceptual loss functions, new possibilities in super-resolution have emerged, and we currently have models that successfully generate near-photorealistic high-resolution images from their low-resolution observations. Up…

计算机视觉与模式识别 · 计算机科学 2019-05-03 Eduardo Pérez-Pellitero , Mehdi S. M. Sajjadi , Michael Hirsch , Bernhard Schölkopf

Experience and reasoning occur across multiple temporal scales: milliseconds, seconds, hours or days. The vast majority of computer vision research, however, still focuses on individual images or short videos lasting only a few seconds.…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Olivia Wiles , Joao Carreira , Iain Barr , Andrew Zisserman , Mateusz Malinowski

Image prediction methods often struggle on tasks that require changing the positions of objects, such as video prediction, producing blurry images that average over the many positions that objects might occupy. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Daniel Geng , Max Hamilton , Andrew Owens

High-quality 3D streaming from multiple cameras is crucial for immersive experiences in many AR/VR applications. The limited number of views - often due to real-time constraints - leads to missing information and incomplete surfaces in the…

计算机视觉与模式识别 · 计算机科学 2026-03-06 Leif Van Holland , Domenic Zingsheim , Mana Takhsha , Hannah Dröge , Patrick Stotko , Markus Plack , Reinhard Klein

We propose an adaptive form of frameless rendering with the potential to dramatically increase rendering speed over conventional interactive rendering approaches. Without the rigid sampling patterns of framed renderers, sampling and…

图形学 · 计算机科学 2025-10-21 Abhinav Dayal , Cliff Woolley , Benjamin Watson , David Luebke

Extended Reality (XR) is one of the most important 5G/6G media applications that will fundamentally transform human interactions. However, ensuring low latency, high data rate, and reliability to support XR services poses significant…

网络与互联网体系结构 · 计算机科学 2023-07-19 Moyukh Laha , Dibbendu Roy , Sourav Dutta , Goutam Das

Sharpening is a widely adopted technique to improve video quality, which can effectively emphasize textures and alleviate blurring. However, increasing the sharpening level comes with a higher video bitrate, resulting in degraded Quality of…

图像与视频处理 · 电气工程与系统科学 2025-08-13 Yingxue Pang , Shijie Zhao , Haiqiang Wang , Gen Zhan , Junlin Li , Li Zhang

This work presents a supervised learning based approach to the computer vision problem of frame interpolation. The presented technique could also be used in the cartoon animations since drawing each individual frame consumes a noticeable…

计算机视觉与模式识别 · 计算机科学 2017-06-16 Vladislav Samsonov

The task of estimating the world model describing the dynamics of a real world process assumes immense importance for anticipating and preparing for future outcomes. For applications such as video surveillance, robotics applications,…

计算机视觉与模式识别 · 计算机科学 2025-05-22 Hao Tang , Kevin Ellis , Suhas Lohit , Michael J. Jones , Moitreya Chatterjee

Efficient point cloud compression is essential for applications like virtual and mixed reality, autonomous driving, and cultural heritage. This paper proposes a deep learning-based inter-frame encoding scheme for dynamic point cloud…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Anique Akhtar , Zhu Li , Geert Van der Auwera

Video Super-Resolution (VSR) aims to recover sequences of high-resolution (HR) frames from low-resolution (LR) frames. Previous methods mainly utilize temporally adjacent frames to assist the reconstruction of target frames. However, in the…

计算机视觉与模式识别 · 计算机科学 2023-04-12 Yongjie Chen , Tieru Wu