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In CNN-based object detection methods, region proposal becomes a bottleneck when objects exhibit significant scale variation, occlusion or truncation. In addition, these methods mainly focus on 2D object detection and cannot estimate…

Computer Vision and Pattern Recognition · Computer Science 2017-03-10 Yu Xiang , Wongun Choi , Yuanqing Lin , Silvio Savarese

Object detection, one of the three main tasks of computer vision, has been used in various applications. The main process is to use deep neural networks to extract the features of an image and then use the features to identify the class and…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Wenshuo Li

Jointly integrating aspect ratio and context has been extensively studied and shown performance improvement in traditional object detection systems such as the DPMs. It, however, has been largely ignored in deep neural network based…

Computer Vision and Pattern Recognition · Computer Science 2017-03-23 Bo Li , Tianfu Wu , Shuai Shao , Lun Zhang , Rufeng Chu

One of the greatest challenges for detecting moving objects in the solar system from wide-field survey data is determining whether a signal indicates a true object or is due to some other source, like noise. Object verification has relied…

Background subtraction has been a driving engine for many computer vision and video analytics tasks. Although its many variants exist, they all share the underlying assumption that photometric scene properties are either static or exhibit…

Computer Vision and Pattern Recognition · Computer Science 2009-10-16 P. M. Jodoin , V. Saligrama , J. Konrad

In recent years, there has been a growing interest in the visual detection of micro aerial vehicles (MAVs) due to its importance in numerous applications. However, the existing methods based on either appearance or motion features encounter…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Hanqing Guo , Canlun Zheng , Shiyu Zhao

Convolutional neural networks (CNN) have enabled significant improvements in pedestrian detection owing to the strong representation ability of the CNN features. Recently, aggregating features from multiple layers of a CNN has been…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Tianrui Liu , Mohamed Elmikaty , Tania Stathaki

Weakly supervised object localization is a challenging task in which the object of interest should be localized while learning its appearance. State-of-the-art methods recycle the architecture of a standard CNN by using the activation maps…

Computer Vision and Pattern Recognition · Computer Science 2020-12-03 Akhil Meethal , Marco Pedersoli , Soufiane Belharbi , Eric Granger

For crowded scenes, the accuracy of object-based computer vision methods declines when the images are low-resolution and objects have severe occlusions. Taking counting methods for example, almost all the recent state-of-the-art counting…

Computer Vision and Pattern Recognition · Computer Science 2018-06-14 Di Kang , Zheng Ma , Antoni B. Chan

We propose an approach to detect flying objects such as UAVs and aircrafts when they occupy a small portion of the field of view, possibly moving against complex backgrounds, and are filmed by a camera that itself moves. Solving such a…

Computer Vision and Pattern Recognition · Computer Science 2015-12-14 Artem Rozantsev , Vincent Lepetit , Pascal Fua

Optically observing and monitoring moving objects, both natural and artificial, is important to human space security. Non-sidereal tracking can improve the system's limiting magnitude for moving objects, which benefits the surveillance.…

Instrumentation and Methods for Astrophysics · Physics 2024-09-05 Lei Wang , Xiaoming Zhang , Chunhai Bai , Haiwen Xie , Juan Li , Jiayi Ge , Jianfeng Wang , Xianqun Zeng , Jiantao Sun , Xiaojun Jiang

Background modeling and subtraction is a promising research area with a variety of applications for video surveillance. Recent years have witnessed a proliferation of effective learning-based deep neural networks in this area. However, the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Synh Viet-Uyen Ha , Cuong Tien Nguyen , Hung Ngoc Phan , Nhat Minh Chung , Phuong Hoai Ha

Although deep convolutional neural networks(CNNs) have achieved remarkable results on object detection and segmentation, pre- and post-processing steps such as region proposals and non-maximum suppression(NMS), have been required. These…

Computer Vision and Pattern Recognition · Computer Science 2016-05-12 Eunbyung Park , Alexander C. Berg

We propose a light-weight variational framework for online tracking of object segmentations in videos based on optical flow and image boundaries. While high-end computer vision methods on this task rely on sequence specific training of…

Computer Vision and Pattern Recognition · Computer Science 2020-08-17 Amirhossein Kardoost , Sabine Müller , Joachim Weickert , Margret Keuper

Convolutional neural network (CNN) has led to significant progress in object detection. In order to detect the objects in various sizes, the object detectors often exploit the hierarchy of the multi-scale feature maps called feature…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Jin Hyeok Yoo , Dongsuk Kum , Jun Won Choi

Millimeter-wave radars are being increasingly integrated into commercial vehicles to support new advanced driver-assistance systems by enabling robust and high-performance object detection, localization, as well as recognition - a key…

Signal Processing · Electrical Eng. & Systems 2022-05-02 Xiangyu Gao , Guanbin Xing , Sumit Roy , Hui Liu

This survey paper specially analyzed computer vision-based object detection challenges and solutions by different techniques. We mainly highlighted object detection by three different trending strategies, i.e., 1) domain adaptive deep…

Computer Vision and Pattern Recognition · Computer Science 2021-07-19 Muhammed Muzammul , Xi Li

Detecting camouflaged moving foreground objects has been known to be difficult due to the similarity between the foreground objects and the background. Conventional methods cannot distinguish the foreground from background due to the small…

Computer Vision and Pattern Recognition · Computer Science 2018-04-18 Shuai Li , Dinei Florencio , Wanqing Li , Yaqin Zhao , Chris Cook

A robust and accurate 3D detection system is an integral part of autonomous vehicles. Traditionally, a majority of 3D object detection algorithms focus on processing 3D point clouds using voxel grids or bird's eye view (BEV). Recent works,…

Computer Vision and Pattern Recognition · Computer Science 2020-09-18 Sumesh Thakur , Jiju Peethambaran

Vehicle tracking in Wide Area Motion Imagery (WAMI) relies on associating vehicle detections across multiple WAMI frames to form tracks corresponding to individual vehicles. The temporal window length, i.e., the number $M$ of sequential…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Ahmed Elliethy , Gaurav Sharma