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Related papers: 3D Convolutional Networks for Action Recognition: …

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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…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Christian Schmidt , Ali Athar , Sabarinath Mahadevan , Bastian Leibe

Convolutional neural networks are state-of-the-art for various segmentation tasks. While for 2D images these networks are also computationally efficient, 3D convolutions have huge storage requirements and therefore, end-to-end training is…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Christoph Angermann , Markus Haltmeier

Dynamic Textures (DTs) are sequences of images of moving scenes that exhibit certain stationarity properties in time such as smoke, vegetation and fire. The analysis of DT is important for recognition, segmentation, synthesis or retrieval…

Computer Vision and Pattern Recognition · Computer Science 2017-03-17 Vincent Andrearczyk , Paul F. Whelan

Different from salient object detection methods for still images, a key challenging for video saliency detection is how to extract and combine spatial and temporal features. In this paper, we present a novel and effective approach for…

Computer Vision and Pattern Recognition · Computer Science 2018-07-13 Guanqun Ding , Yuming Fang

In this paper, we introduce a deep learning solution for video activity recognition that leverages an innovative combination of convolutional layers with a linear-complexity attention mechanism. Moreover, we introduce a novel quantization…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Gabriele Lagani , Fabrizio Falchi , Claudio Gennaro , Giuseppe Amato

Geometric 3D scene classification is a very challenging task. Current methodologies extract the geometric information using only a depth channel provided by an RGB-D sensor. These kinds of methodologies introduce possible errors due to…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Albert Mosella-Montoro , Javier Ruiz-Hidalgo

This thesis explore different approaches using Convolutional and Recurrent Neural Networks to classify and temporally localize activities on videos, furthermore an implementation to achieve it has been proposed. As the first step, features…

Computer Vision and Pattern Recognition · Computer Science 2017-03-06 Alberto Montes , Amaia Salvador , Santiago Pascual , Xavier Giro-i-Nieto

Group convolution has been shown to offer great computational savings in various 2D convolutional architectures for image classification. It is natural to ask: 1) if group convolution can help to alleviate the high computational cost of…

Computer Vision and Pattern Recognition · Computer Science 2019-11-20 Du Tran , Heng Wang , Lorenzo Torresani , Matt Feiszli

Deep convolutional networks have achieved great success for visual recognition in still images. However, for action recognition in videos, the advantage over traditional methods is not so evident. This paper aims to discover the principles…

Computer Vision and Pattern Recognition · Computer Science 2016-08-03 Limin Wang , Yuanjun Xiong , Zhe Wang , Yu Qiao , Dahua Lin , Xiaoou Tang , Luc Van Gool

This paper explores the capabilities of convolutional neural networks to deal with a task that is easily manageable for humans: perceiving 3D pose of a human body from varying angles. However, in our approach, we are restricted to using a…

Computer Vision and Pattern Recognition · Computer Science 2017-07-21 Agne Grinciunaite , Amogh Gudi , Emrah Tasli , Marten den Uyl

Standard methods for video recognition use large CNNs designed to capture spatio-temporal data. However, training these models requires a large amount of labeled training data, containing a wide variety of actions, scenes, settings and…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 AJ Piergiovanni , Michael S. Ryoo

Convolutional neural networks (CNNs) have been extensively applied for image recognition problems giving state-of-the-art results on recognition, detection, segmentation and retrieval. In this work we propose and evaluate several deep…

Computer Vision and Pattern Recognition · Computer Science 2015-04-14 Joe Yue-Hei Ng , Matthew Hausknecht , Sudheendra Vijayanarasimhan , Oriol Vinyals , Rajat Monga , George Toderici

Despite the steady progress in video analysis led by the adoption of convolutional neural networks (CNNs), the relative improvement has been less drastic as that in 2D static image classification. Three main challenges exist including…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Saining Xie , Chen Sun , Jonathan Huang , Zhuowen Tu , Kevin Murphy

We propose a novel scheme for human action recognition in videos, using a 3-dimensional Convolutional Neural Network (3D CNN) based classifier. Traditionally in deep learning based human activity recognition approaches, either a few random…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 S. H. Shabbeer Basha , Viswanath Pulabaigari , Snehasis Mukherjee

We investigate architectures of discriminatively trained deep Convolutional Networks (ConvNets) for action recognition in video. The challenge is to capture the complementary information on appearance from still frames and motion between…

Computer Vision and Pattern Recognition · Computer Science 2014-11-13 Karen Simonyan , Andrew Zisserman

We present a new action recognition deep neural network which adaptively learns the best action velocities in addition to the classification. While deep neural networks have reached maturity for image understanding tasks, we are still…

Computer Vision and Pattern Recognition · Computer Science 2016-03-23 Otkrist Gupta , Dan Raviv , Ramesh Raskar

Convolutional neural networks with spatio-temporal 3D kernels (3D CNNs) have an ability to directly extract spatio-temporal features from videos for action recognition. Although the 3D kernels tend to overfit because of a large number of…

Computer Vision and Pattern Recognition · Computer Science 2017-08-28 Kensho Hara , Hirokatsu Kataoka , Yutaka Satoh

Action recognition is a fundamental problem in computer vision with a lot of potential applications such as video surveillance, human computer interaction, and robot learning. Given pre-segmented videos, the task is to recognize actions…

Computer Vision and Pattern Recognition · Computer Science 2017-06-28 Ahsan Iqbal , Alexander Richard , Hilde Kuehne , Juergen Gall

Visual attributes in individual video frames, such as the presence of characteristic objects and scenes, offer substantial information for action recognition in videos. With individual 2D video frame as input, visual attributes extraction…

Computer Vision and Pattern Recognition · Computer Science 2018-05-09 Yunfeng Wang , Wengang Zhou , Qilin Zhang , Houqiang Li

Recently, 3D convolutional networks yield good performance in action recognition. However, optical flow stream is still needed to ensure better performance, the cost of which is very high. In this paper, we propose a fast but effective way…

Computer Vision and Pattern Recognition · Computer Science 2020-01-17 Li Tao , Xueting Wang , Toshihiko Yamasaki