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题名: Depth measurement using single camera with fixed camera parameters
作者: Wei YJ(魏阳杰) ; Dong ZL(董再励) ; Wu CD(吴成东)
作者部门: 机器人学研究室
刊名: IET COMPUTER VISION
ISSN号: 1751-9632
出版日期: 2012
卷号: 6, 期号:1, 页码:29-39
收录类别: SCI ; EI
产权排序: 1
摘要: Owing to the space limitation and the strict requirement on operation, depth measurement using single visual sensor is necessary in many applications, such as mini-robot, precision processing and micro/nano-manipulation. Depth from defocus (DFD), a typical method applied in depth reconstruction, has been extensively researched and has developed greatly in recent years. However, all the existing DFD algorithms has focused only on the situation that blurring images with different camera parameters (i.e. focal length or radius of the lens), and it resulted in the inapplicability of these algorithms in cases where any change of camera parameters is absolutely forbidden. Therefore a novel DFD method considering different images with fixed camera parameters is given. First, the blurring imaging model is constructed with the relative blurring and the diffusion equation. Secondly the relation between depth and blurring is discussed. Subsequently, the depth measurement problem is transformed into an optimisation issue. Finally, simulations and experiments are conducted to show the feasibility and effectiveness of the proposed method.
语种: 英语
WOS记录号: WOS:000299324300003
WOS标题词: Science & Technology ; Technology
类目[WOS]: Computer Science, Artificial Intelligence ; Engineering, Electrical & Electronic
关键词[WOS]: FOCUS ; DEFOCUS ; SHAPE
研究领域[WOS]: Computer Science ; Engineering
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/10023
Appears in Collections:机器人学研究室_期刊论文

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Recommended Citation:
魏阳杰; 董再励; 吴成东.Depth measurement using single camera with fixed camera parameters,IET COMPUTER VISION,2012,6(1):29-39
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文件名: Depth measurement using single camera with fixed camera parameters.pdf
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