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题名:
A Low-Cost Implementation of a 360 degrees Vision Distributed Aperture System
作者: Peng, Xiaoming1,2; Bennamoun, Mohammed2; Wang, Qingbo3; Ma, Qian4; Xu, Zhiyong4
刊名: IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY
出版日期: 2015-02-01
卷号: 25, 期号:2, 页码:225-238
关键词: Bundle adjustment ; camera orientation estimation ; distributed aperture systems (DASs) ; GPU programming ; image registration ; image stitching ; real-time virtual view synthesis
文章类型: Article
英文摘要: Visible light cameras commonly used for surveillance applications usually have a limited field of view (FoV). To acquire a broader FoV, distributed aperture systems (DASs) combine views from multiple cameras. Although some commercial or proprietary systems already exist, the open literature in this field reports solely the performance and/or hardware architecture of the respective systems, and omits the required details for a reimplementation. In this paper we present a low-cost, personal-computer-based 360 degrees DAS, with a full description of the hardware architecture and the software implementation details. In particular, we describe in detail two problems, the offline estimation of the orientations of the cameras of the proposed DAS and the online synthesis of a virtual view in real time. For the first problem, we propose an area-based bundle adjuster by combining the forward additive Lucas-Kanade algorithm with a bundle adjustment strategy. The color virtual view of up to 2048 x 1024 pixels is synthesized online at 39 frames/s. A large majority of the workload of the online phase is implemented on the graphic processing unit. The techniques and methods proposed in this paper are generic and independent on the arrangement of cameras.
WOS标题词: Science & Technology ; Technology
类目[WOS]: Engineering, Electrical & Electronic
研究领域[WOS]: Engineering
关键词[WOS]: ALIGNMENT ; FEATURES
收录类别: SCI
语种: 英语
WOS记录号: WOS:000349624000005
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2535
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Univ Elect Sci & Technol China, Sch Automat Engn, Chengdu 611731, Peoples R China
2.Univ Western Australia, Sch Comp Sci & Software Engn, Crawley, WA 6009, Australia
3.Univ Elect Sci & Technol China, Sch Automat Engn, Chengdu 611731, Peoples R China
4.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China

Recommended Citation:
Peng, Xiaoming,Bennamoun, Mohammed,Wang, Qingbo,et al. A Low-Cost Implementation of a 360 degrees Vision Distributed Aperture System[J]. IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY,2015,25(2):225-238.
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