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The large amount of videos popping up every day, make it more and more critical that key information within videos can be extracted and understood in a very short time. Video summarization, the task of finding the smallest subset of frames,…

计算机视觉与模式识别 · 计算机科学 2019-09-17 Yujia Zhang , Michael Kampffmeyer , Xiaodan Liang , Dingwen Zhang , Min Tan , Eric P. Xing

Video compression artifact reduction aims to recover high-quality videos from low-quality compressed videos. Most existing approaches use a single neighboring frame or a pair of neighboring frames (preceding and/or following the target…

图像与视频处理 · 电气工程与系统科学 2019-10-29 Yi Xu , Longwen Gao , Kai Tian , Shuigeng Zhou , Huyang Sun

We propose an approach to learn spatio-temporal features in videos from intermediate visual representations we call "percepts" using Gated-Recurrent-Unit Recurrent Networks (GRUs).Our method relies on percepts that are extracted from all…

计算机视觉与模式识别 · 计算机科学 2016-03-02 Nicolas Ballas , Li Yao , Chris Pal , Aaron Courville

Recent progress in using recurrent neural networks (RNNs) for image description has motivated the exploration of their application for video description. However, while images are static, working with videos requires modeling their dynamic…

The complicated syntax structure of natural language is hard to be explicitly modeled by sequence-based models. Graph is a natural structure to describe the complicated relation between tokens. The recent advance in Graph Neural Networks…

计算与语言 · 计算机科学 2019-09-19 Wei Li , Shuheng Li , Shuming Ma , Yancheng He , Deli Chen , Xu Sun

Various convolutional neural networks (CNNs) were developed recently that achieved accuracy comparable with that of human beings in computer vision tasks such as image recognition, object detection and tracking, etc. Most of these networks,…

计算机视觉与模式识别 · 计算机科学 2019-03-20 Tianchen Wang , Jinjun Xiong , Xiaowei Xu , Yiyu Shi

Most of the semantic segmentation approaches have been developed for single image segmentation, and hence, video sequences are currently segmented by processing each frame of the video sequence separately. The disadvantage of this is that…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Andreas Pfeuffer , Karina Schulz , Klaus Dietmayer

Video super-resolution (VSR) is a task that aims to reconstruct high-resolution (HR) frames from the low-resolution (LR) reference frame and multiple neighboring frames. The vital operation is to utilize the relative misaligned frames for…

计算机视觉与模式识别 · 计算机科学 2022-11-04 Meiqin Liu , Shuo Jin , Chao Yao , Chunyu Lin , Yao Zhao

Video summarization has unprecedented importance to help us digest, browse, and search today's ever-growing video collections. We propose a novel subset selection technique that leverages supervision in the form of human-created summaries…

计算机视觉与模式识别 · 计算机科学 2016-05-02 Ke Zhang , Wei-Lun Chao , Fei Sha , Kristen Grauman

Graph neural networks (GNNs) have achieved strong performance in various applications. In the real world, network data is usually formed in a streaming fashion. The distributions of patterns that refer to neighborhood information of nodes…

机器学习 · 计算机科学 2020-12-07 Junshan Wang , Guojie Song , Yi Wu , Liang Wang

Most existing approaches to video instance segmentation comprise multiple modules that are heuristically combined to produce the final output. Formulating a purely learning-based method instead, which models both the temporal aspect as well…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Joakim Johnander , Emil Brissman , Martin Danelljan , Michael Felsberg

A new method is proposed for human motion prediction by learning temporal and spatial dependencies. Recently, multiscale graphs have been developed to model the human body at higher abstraction levels, resulting in more stable motion…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Mohsen Zand , Ali Etemad , Michael Greenspan

Recurrent Neural Networks (RNNs) are powerful sequence modeling tools. However, when dealing with high dimensional inputs, the training of RNNs becomes computational expensive due to the large number of model parameters. This hinders RNNs…

机器学习 · 计算机科学 2018-05-23 Jinmian Ye , Linnan Wang , Guangxi Li , Di Chen , Shandian Zhe , Xinqi Chu , Zenglin Xu

We present a novel Multi-Relational Graph Convolutional Network (MRGCN) based framework to model on-road vehicle behaviors from a sequence of temporally ordered frames as grabbed by a moving monocular camera. The input to MRGCN is a…

计算机视觉与模式识别 · 计算机科学 2020-08-17 Sravan Mylavarapu , Mahtab Sandhu , Priyesh Vijayan , K Madhava Krishna , Balaraman Ravindran , Anoop Namboodiri

This project explores the application of advanced machine learning models, specifically Long Short-Term Memory (LSTM), Gated Recurrent Units (GRU), and Transformers, to the task of vehicle speed estimation using video data. Traditional…

计算机视觉与模式识别 · 计算机科学 2025-02-24 Sai Krishna Reddy Mareddy , Dhanush Upplapati , Dhanush Kumar Antharam

Non-local operations are usually used to capture long-range dependencies via aggregating global context to each position recently. However, most of the methods cannot preserve object shapes since they only focus on feature similarity but…

计算机视觉与模式识别 · 计算机科学 2020-12-18 Pengju Zhang , Yihong Wu , Jiagang Zhu

In this paper, we study the problem of node representation learning with graph neural networks. We present a graph neural network class named recurrent graph neural network (RGNN), that address the shortcomings of prior methods. By using…

机器学习 · 计算机科学 2019-08-27 Binxuan Huang , Kathleen M. Carley

Convolutional Neural Networks (CNNs) have revolutionized the understanding of visual content. This is mainly due to their ability to break down an image into smaller pieces, extract multi-scale localized features and compose them to…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Zachary Wharton , Ardhendu Behera , Asish Bera

Video summarization aims at generating concise video summaries from the lengthy videos, to achieve better user watching experience. Due to the subjectivity, purely supervised methods for video summarization may bring the inherent errors…

计算机视觉与模式识别 · 计算机科学 2020-07-30 Tianyu Liu

Sequential abstractive neural summarizers often do not use the underlying structure in the input article or dependencies between the input sentences. This structure is essential to integrate and consolidate information from different parts…

计算与语言 · 计算机科学 2022-11-18 Yifu Qiu , Shay B. Cohen