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In computer vision pixelwise dense prediction is the task of predicting a label for each pixel in the image. Convolutional neural networks achieve good performance on this task, while being computationally efficient. In this paper we carry…

计算与语言 · 计算机科学 2016-12-15 Tom Sercu , Vaibhava Goel

Crowd counting is an important task in computer vision, which has many applications in video surveillance. Although the regression-based framework has achieved great improvements for crowd counting, how to improve the discriminative power…

计算机视觉与模式识别 · 计算机科学 2016-05-02 Biyun Sheng , Chunhua Shen , Guosheng Lin , Jun Li , Wankou Yang , Changyin Sun

We propose a simple, yet effective approach for spatiotemporal feature learning using deep 3-dimensional convolutional networks (3D ConvNets) trained on a large scale supervised video dataset. Our findings are three-fold: 1) 3D ConvNets are…

计算机视觉与模式识别 · 计算机科学 2015-10-08 Du Tran , Lubomir Bourdev , Rob Fergus , Lorenzo Torresani , Manohar Paluri

This paper proposes a novel pretext task to address the self-supervised video representation learning problem. Specifically, given an unlabeled video clip, we compute a series of spatio-temporal statistical summaries, such as the spatial…

计算机视觉与模式识别 · 计算机科学 2021-02-01 Jiangliu Wang , Jianbo Jiao , Linchao Bao , Shengfeng He , Wei Liu , Yun-hui Liu

We propose a system that uses a convolution neural network (CNN) to estimate depth from a stereo pair followed by volumetric fusion of the predicted depth maps to produce a 3D reconstruction of a scene. Our proposed depth refinement…

计算机视觉与模式识别 · 计算机科学 2019-06-04 Rohan Chabra , Julian Straub , Chris Sweeney , Richard Newcombe , Henry Fuchs

Despite receiving significant attention from the research community, the task of segmenting and tracking objects in monocular videos still has much room for improvement. Existing works have simultaneously justified the efficacy of dilated…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Christian Schmidt , Ali Athar , Sabarinath Mahadevan , Bastian Leibe

Crowd counting problem that counts the number of people in an image has been extensively studied in recent years. In this paper, we introduce a new variant of crowd counting problem, namely "Categorized Crowd Counting", that counts the…

计算机视觉与模式识别 · 计算机科学 2019-12-13 Sarkar Snigdha Sarathi Das , Syed Md. Mukit Rashid , Mohammed Eunus Ali

The aim of crowd counting is to estimate the number of people in images by leveraging the annotation of center positions for pedestrians' heads. Promising progresses have been made with the prevalence of deep Convolutional Neural Networks.…

计算机视觉与模式识别 · 计算机科学 2019-09-17 Zhi-Qi Cheng , Jun-Xiu Li , Qi Dai , Xiao Wu , Alexander Hauptmann

We propose a novel scene flow estimation approach to capture and infer 3D motions from point clouds. Estimating 3D motions for point clouds is challenging, since a point cloud is unordered and its density is significantly non-uniform. Such…

计算机视觉与模式识别 · 计算机科学 2022-03-10 Bing Li , Cheng Zheng , Silvio Giancola , Bernard Ghanem

We study video crowd counting, which is to estimate the number of objects (people in this paper) in all the frames of a video sequence. Previous work on crowd counting is mostly on still images. There has been little work on how to properly…

计算机视觉与模式识别 · 计算机科学 2021-04-30 Haoyue Bai , S. -H. Gary Chan

Predicting crowd intentions and trajectories is critical for a range of real-world applications, involving social robotics and autonomous driving. Accurately modeling such behavior remains challenging due to the complexity of pairwise…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Weizheng Wang , Baijian Yang , Sungeun Hong , Wenhai Sun , Byung-Cheol Min

Dense pixel matching is important for many computer vision tasks such as disparity and flow estimation. We present a robust, unified descriptor network that considers a large context region with high spatial variance. Our network has a very…

计算机视觉与模式识别 · 计算机科学 2019-04-08 René Schuster , Oliver Wasenmüller , Christian Unger , Didier Stricker

Video analysis is a major computer vision task that has received a lot of attention in recent years. The current state-of-the-art performance for video analysis is achieved with Deep Neural Networks (DNNs) that have high computational costs…

计算机视觉与模式识别 · 计算机科学 2023-09-25 Mireille El-Assal , Pierre Tirilly , Ioan Marius Bilasco

Convolutional neural networks have enabled accurate image super-resolution in real-time. However, recent attempts to benefit from temporal correlations in video super-resolution have been limited to naive or inefficient architectures. In…

计算机视觉与模式识别 · 计算机科学 2017-04-11 Jose Caballero , Christian Ledig , Andrew Aitken , Alejandro Acosta , Johannes Totz , Zehan Wang , Wenzhe Shi

Dilated convolutions, also known as atrous convolutions, have been widely explored in deep convolutional neural networks (DCNNs) for various dense prediction tasks. However, dilated convolutions suffer from the gridding artifacts, which…

计算机视觉与模式识别 · 计算机科学 2019-05-03 Zhengyang Wang , Shuiwang Ji

Crowd counting is the task of estimating people numbers in crowd images. Modern crowd counting methods employ deep neural networks to estimate crowd counts via crowd density regressions. A major challenge of this task lies in the…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Miaojing Shi , Zhaohui Yang , Chao Xu , Qijun Chen

This paper presents a deep learning framework for medical video segmentation. Convolution neural network (CNN) and transformer-based methods have achieved great milestones in medical image segmentation tasks due to their incredible semantic…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Chengxi Zeng , Xinyu Yang , David Smithard , Majid Mirmehdi , Alberto M Gambaruto , Tilo Burghardt

Effective and Efficient spatio-temporal modeling is essential for action recognition. Existing methods suffer from the trade-off between model performance and model complexity. In this paper, we present a novel Spatio-Temporal Hybrid…

计算机视觉与模式识别 · 计算机科学 2020-03-19 Xu Li , Jingwen Wang , Lin Ma , Kaihao Zhang , Fengzong Lian , Zhanhui Kang , Jinjun Wang

Traffic prediction is critical for optimizing travel scheduling and enhancing public safety, yet the complex spatial and temporal dynamics within traffic data present significant challenges for accurate forecasting. In this paper, we…

机器学习 · 计算机科学 2025-02-19 Lingxiao Cao , Bin Wang , Guiyuan Jiang , Yanwei Yu , Junyu Dong

Classifying videos according to content semantics is an important problem with a wide range of applications. In this paper, we propose a hybrid deep learning framework for video classification, which is able to model static spatial…

计算机视觉与模式识别 · 计算机科学 2015-04-08 Zuxuan Wu , Xi Wang , Yu-Gang Jiang , Hao Ye , Xiangyang Xue