نتایج جستجو برای: camera networks

تعداد نتایج: 481971  

2008
Huang Lee Linda Tessens Marleen Morbée Hamid K. Aghajan Wilfried Philips

Within a camera network, the contribution of a camera to the observations of a scene depends on its viewpoint and on the scene configuration. This is a dynamic property, as the scene content is subject to change over time. An automatic selection of a subset of cameras that significantly contributes to the desired observation of a scene can be of great value for the reduction of the amount of tr...

2018
Po-Chang Su Ju Shen Wanxin Xu Sen-Ching S. Cheung Ying Luo

From object tracking to 3D reconstruction, RGB-Depth (RGB-D) camera networks play an increasingly important role in many vision and graphics applications. Practical applications often use sparsely-placed cameras to maximize visibility, while using as few cameras as possible to minimize cost. In general, it is challenging to calibrate sparse camera networks due to the lack of shared scene featur...

Journal: :Pattern Recognition 2017
Xiaolong Ma Xiatian Zhu Shaogang Gong Xudong Xie Jianming Hu Kin-Man Lam Yisheng Zhong

Most existing person re-identification (ReID) methods rely only on the spatial appearance information from either one or multiple person images, whilst ignore the space-time cues readily available in video or imagesequence data. Moreover, they often assume the availability of exhaustively labelled cross-view pairwise data for every camera pair, making them non-scalable to ReID applications in r...

Journal: :CoRR 2017
Jhony-Heriberto Giraldo-Zuluaga Augusto Salazar Alexander Gómez Angélica Diaz-Pulido

The segmentation and classification of animals from camera-trap images is due to the conditions under which the images are taken, a difficult task. This work presents a method for classifying and segmenting mammal genera from camera-trap images. Our method uses Multi-Layer Robust Principal Component Analysis (RPCA) for segmenting, Convolutional Neural Networks (CNNs) for extracting features, Le...

Journal: :CoRR 2018
Qiang Fang Tianjiang Hu

-Deep learning has been applied to camera relocalization, in particular, PoseNet and its extended work are the convolutional neural networks which regress the camera pose from a single image. However there are many problems, one of them is expensive parameter selection. In this paper, we directly explore the three Euler angles as the orientation representation in the camera pose regressor. Ther...

2015
Martin Čadík Jan Vašíček Michal Hradiš Filip Radenović Ondřej Chum

This work addresses the problem of camera elevation estimation from a single photograph in an outdoor environment. We introduce a new benchmark dataset of one-hundred thousand images with annotated camera elevation called Alps100K. We propose and experimentally evaluate two automatic data-driven approaches to camera elevation estimation: one based on convolutional neural networks, the other on ...

Journal: :International Journal of Distributed Sensor Networks 2013

Journal: :International Journal of Applied Earth Observation and Geoinformation 2021

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