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Two-stream networks have achieved great success in video recognition. A two-stream network combines a spatial stream of RGB frames and a temporal stream of Optical Flow to make predictions. However, the temporal redundancy of RGB frames as…

计算机视觉与模式识别 · 计算机科学 2019-12-13 Shiyuan Huang , Xudong Lin , Svebor Karaman , Shih-Fu Chang

With the growing computer vision applications, lots of videos are transmitted for content analysis, the way to allocate resources can affect the performance of video content analysis. For this purpose, the traditional resource allocation…

网络与互联网体系结构 · 计算机科学 2020-09-29 Jiujiu Chen , Chunyan Feng , Caili Guo , Xu Zhu

Real-time streaming of point cloud video, characterized by massive data volumes and high sensitivity to packet loss, remains a key challenge for immersive applications under dynamic network conditions. While connection-oriented protocols…

多媒体 · 计算机科学 2025-08-20 Ruonan Chai , Yixiang Zhu , Xinjiao Li , Jiawei Li , Zili Meng , Dirk Kutscher

The cost-effective visual representation and fast query-by-example search are two challenging goals that should be maintained for web-scale visual retrieval tasks on moderate hardware. This paper introduces a fast and robust method that…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Savas Ozkan , Gozde Bozdagi Akar

We present StreamDEQ, a method that aims to infer frame-wise representations on videos with minimal per-frame computation. Conventional deep networks do feature extraction from scratch at each frame in the absence of ad-hoc solutions. We…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Can Ufuk Ertenli , Ramazan Gokberk Cinbis , Emre Akbas

In this paper, we propose a quality enhancement network of versatile video coding (VVC) compressed videos by jointly exploiting spatial details and temporal structure (SDTS). The proposed network consists of a temporal structure fusion…

计算机视觉与模式识别 · 计算机科学 2019-05-23 Xiandong Meng , Xuan Deng , Shuyuan Zhu , Bing Zeng

We present a novel approach for the problem of frequency estimation in data streams that is based on optimization and machine learning. Contrary to state-of-the-art streaming frequency estimation algorithms, which heavily rely on random…

数据结构与算法 · 计算机科学 2022-07-19 Dimitris Bertsimas , Vassilis Digalakis

Generating video descriptions automatically is a challenging task that involves a complex interplay between spatio-temporal visual features and language models. Given that videos consist of spatial (frame-level) features and their temporal…

计算机视觉与模式识别 · 计算机科学 2020-01-20 Anoop Cherian , Jue Wang , Chiori Hori , Tim K. Marks

In this paper, we investigate resource allocation problem in the context of multiple virtual reality (VR) video flows sharing a certain link, considering specific deadline of each video frame and the impact of different frames on video…

网络与互联网体系结构 · 计算机科学 2023-09-01 Qingxuan Feng , Peng Yang , Zhixuan Huang , Jiayin Chen , Ning Zhang

The rapid shift toward video on-demand and real time information systems has affected mobile as well as wired networks. The research community has placed a strong focus on optimizing the Quality of Experience (QoE) of video traffic, mainly…

网络与互联网体系结构 · 计算机科学 2020-08-25 Qahhar Muhammad Qadir , Alexander A. Kist , Zhongwei Zhang

Deep neural networks, especially transformer-based architectures, have achieved remarkable success in semantic segmentation for environmental perception. However, existing models process video frames independently, thus failing to leverage…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Serin Varghese , Kevin Ross , Fabian Hueger , Kira Maag

Video super-resolution, which aims at producing a high-resolution video from its corresponding low-resolution version, has recently drawn increasing attention. In this work, we propose a novel method that can effectively incorporate…

计算机视觉与模式识别 · 计算机科学 2020-07-22 Takashi Isobe , Songjiang Li , Xu Jia , Shanxin Yuan , Gregory Slabaugh , Chunjing Xu , Ya-Li Li , Shengjin Wang , Qi Tian

This paper presents FluxMem, a training-free framework for efficient streaming video understanding. FluxMem adaptively compresses redundant visual memory through a hierarchical, two-stage design: (1) a Temporal Adjacency Selection (TAS)…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Yiweng Xie , Bo He , Junke Wang , Xiangyu Zheng , Ziyi Ye , Zuxuan Wu

In conventional HTTP-based adaptive streaming (HAS), a video source is encoded at multiple levels of constant bitrate representations, and a client makes its representation selections according to the measured network bandwidth. While…

网络与互联网体系结构 · 计算机科学 2014-01-22 Zhi Li , Ali C. Begen , Joshua Gahm , Yufeng Shan , Bruce Osler , David Oran

Training an effective video action recognition model poses significant computational challenges, particularly under limited resource budgets. Current methods primarily aim to either reduce model size or utilize pre-trained models, limiting…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Harry Cheng , Yangyang Guo , Liqiang Nie , Zhiyong Cheng , Mohan Kankanhalli

With the inevitable dominance of video traffic on the Internet, providing perceptually good video quality is becoming a challenging task. This is partly due to the bursty nature of video traffic, changing network conditions and limitations…

网络与互联网体系结构 · 计算机科学 2020-08-18 Qahhar Muhammad Qadir , Alexander A. Kist , Zhongwei Zhang

In this paper, we present a new inpainting framework for recovering missing regions of video frames. Compared with image inpainting, performing this task on video presents new challenges such as how to preserving temporal consistency and…

计算机视觉与模式识别 · 计算机科学 2019-05-09 Yifan Ding , Chuan Wang , Haibin Huang , Jiaming Liu , Jue Wang , Liqiang Wang

Vision Transformer models have shown impressive effectiveness in the surgical video understanding tasks through long-range dependency modeling. However, current methods suffer from prohibitive computational costs due to processing massive…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Xixi Jiang , Chen Yang , Dong Zhang , Pingcheng Dong , Xin Yang , Kwang-Ting Cheng

We provide a unified framework using which we design scalable dynamic adaptive video streaming algorithms based on index based policies (dubbed DAS-IP) to maximize the Quality of Experience (QoE) provided to clients using video streaming…

网络与互联网体系结构 · 计算机科学 2016-12-20 Rahul Singh , P. R. Kumar

Over the last decade, the bandwidth expansion and MU-MIMO spectral efficiency have promised to increase data throughput by allowing concurrent communication between one Access Point and multiple users. However, we are still a long way from…

网络与互联网体系结构 · 计算机科学 2021-07-28 Hannaneh Barahouei Pasandi , Tamer Nadeem , Hadi Amirpour