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We propose a novel video object segmentation algorithm based on pixel-level matching using Convolutional Neural Networks (CNN). Our network aims to distinguish the target area from the background on the basis of the pixel-level similarity…

Computer Vision and Pattern Recognition · Computer Science 2017-08-18 Jae Shin Yoon , Francois Rameau , Junsik Kim , Seokju Lee , Seunghak Shin , In So Kweon

With higher-order neighborhood information of graph network, the accuracy of graph representation learning classification can be significantly improved. However, the current higher order graph convolutional network has a large number of…

Machine Learning · Computer Science 2019-08-05 FangYuan Lei , Xun Liu , QingYun Dai , Bingo Wing-Kuen Ling , Huimin Zhao , Yan Liu

Compared with still image object detection, video object detection (VOD) needs to particularly concern the high across-frame variation in object appearance, and the diverse deterioration in some frames. In principle, the detection in a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Yuheng Shi , Tong Zhang , Xiaojie Guo

We solve the problem of salient object detection by investigating how to expand the role of pooling in convolutional neural networks. Based on the U-shape architecture, we first build a global guidance module (GGM) upon the bottom-up…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Jiang-Jiang Liu , Qibin Hou , Ming-Ming Cheng , Jiashi Feng , Jianmin Jiang

Event-based cameras can overpass frame-based cameras limitations for important tasks such as high-speed motion detection during self-driving cars navigation in low illumination conditions. The event cameras' high temporal resolution and…

Computer Vision and Pattern Recognition · Computer Science 2022-01-31 Haixin Sun , Minh-Quan Dao , Vincent Fremont

In this work we deal with the problem of high-level event detection in video. Specifically, we study the challenging problems of i) learning to detect video events from solely a textual description of the event, without using any positive…

Machine Learning · Computer Science 2015-11-26 Christos Tzelepis , Damianos Galanopoulos , Vasileios Mezaris , Ioannis Patras

In this paper, we propose a discriminative video representation for event detection over a large scale video dataset when only limited hardware resources are available. The focus of this paper is to effectively leverage deep Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2014-11-17 Zhongwen Xu , Yi Yang , Alexander G. Hauptmann

To date, machine learning for human action recognition in video has been widely implemented in sports activities. Although some studies have been successful in the past, precision is still the most significant concern. In this study, we…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Cheng Yan , Xin Li , Guoqiang Li

Pooling layers (e.g., max and average) may overlook important information encoded in the spatial arrangement of pixel intensity and/or feature values. We propose a novel lacunarity pooling layer that aims to capture the spatial…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Akshatha Mohan , Joshua Peeples

While low-level image features have proven to be effective representations for visual recognition tasks such as object recognition and scene classification, they are inadequate to capture complex semantic meaning required to solve…

Multimedia · Computer Science 2014-06-17 Tim Althoff , Hyun Oh Song , Trevor Darrell

We consider the task of estimating 3D human pose and shape from videos. While existing frame-based approaches have made significant progress, these methods are independently applied to each image, thereby often leading to inconsistent…

Computer Vision and Pattern Recognition · Computer Science 2021-09-08 Yun-Chun Chen , Marco Piccirilli , Robinson Piramuthu , Ming-Hsuan Yang

In this paper, we present a new feature representation for first-person videos. In first-person video understanding (e.g., activity recognition), it is very important to capture both entire scene dynamics (i.e., egomotion) and salient local…

Computer Vision and Pattern Recognition · Computer Science 2015-05-07 M. S. Ryoo , Brandon Rothrock , Larry Matthies

We present an integrated framework for using Convolutional Networks for classification, localization and detection. We show how a multiscale and sliding window approach can be efficiently implemented within a ConvNet. We also introduce a…

Computer Vision and Pattern Recognition · Computer Science 2014-02-25 Pierre Sermanet , David Eigen , Xiang Zhang , Michael Mathieu , Rob Fergus , Yann LeCun

The human ability to detect and segment moving objects works in the presence of multiple objects, complex background geometry, motion of the observer, and even camouflage. In addition to all of this, the ability to detect motion is nearly…

Computer Vision and Pattern Recognition · Computer Science 2016-04-04 Pia Bideau , Erik Learned-Miller

Example weighting algorithm is an effective solution to the training bias problem, however, most previous typical methods are usually limited to human knowledge and require laborious tuning of hyperparameters. In this paper, we propose a…

Machine Learning · Computer Science 2019-11-27 Zhenmao Li , Yichao Wu , Ken Chen , Yudong Wu , Shunfeng Zhou , Jiaheng Liu , Junjie Yan

Images captured nowadays are of varying dimensions with smartphones and DSLR's allowing users to choose from a list of available image resolutions. It is therefore imperative for forensic algorithms such as resampling detection to scale…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Mohit Lamba , Kaushik Mitra

This paper proposes an end-to-end trainable network, SegFlow, for simultaneously predicting pixel-wise object segmentation and optical flow in videos. The proposed SegFlow has two branches where useful information of object segmentation and…

Computer Vision and Pattern Recognition · Computer Science 2017-09-21 Jingchun Cheng , Yi-Hsuan Tsai , Shengjin Wang , Ming-Hsuan Yang

This paper introduces a novel weighted unsupervised learning for object detection using an RGB-D camera. This technique is feasible for detecting the moving objects in the noisy environments that are captured by an RGB-D camera. The main…

Computer Vision and Pattern Recognition · Computer Science 2018-10-24 Kamran Kowsari , Manal H. Alassaf

Event-based cameras have shown great promise in a variety of situations where frame based cameras suffer, such as high speed motions and high dynamic range scenes. However, developing algorithms for event measurements requires a new class…

Computer Vision and Pattern Recognition · Computer Science 2018-08-14 Alex Zihao Zhu , Liangzhe Yuan , Kenneth Chaney , Kostas Daniilidis

Event-based cameras are bio-inspired sensors with pixels that independently and asynchronously respond to brightness changes at microsecond resolution, offering the potential to handle visual tasks in challenging scenarios. However, due to…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Sheng Zhong , Zhongyang Ren , Xiya Zhu , Dehao Yuan , Cornelia Fermuller , Yi Zhou