A moving object deblurring method based on distributed camera array

A camera array and moving target technology, applied in the field of optical detection, can solve the problems of small detection range of camera array, etc., and achieve the effect of improving the detection range

Active Publication Date: 2017-11-07
NORTHWESTERN POLYTECHNICAL UNIV
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Problems solved by technology

[0003] The purpose of the present invention is to provide a moving target deblurring method based on a distributed camera array, to solve the problem that the existing method has a small detection range and cannot make full use of the advantages of the baseline length between camera arrays to provide the necessary multi-view target motion information

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  • A moving object deblurring method based on distributed camera array
  • A moving object deblurring method based on distributed camera array
  • A moving object deblurring method based on distributed camera array

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Embodiment Construction

[0028] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] The present invention provides a method for deblurring a moving target based on a distributed camera array, which is implemented according to the following steps:

[0030] Step 1. Build a distributed camera array system and camera configuration:

[0031] The system includes an array 1, an array 2, and an array 3 arranged at intervals in sequence, and each array includes two or more cameras, all of which are installed on a shelf through universal joints to ensure the camera's pose adjustment. Among them, the field of view between the arrays is guaranteed to be consistent, so as to take advantage of multi-view detection, the two cameras in the array form a small cross field of view, (the small cross field of view is to ensure that the cross fields of view of the two cameras reach their respective full fields of view at the same time. 10...

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Abstract

The invention discloses a moving target deblurring method based on a distributed camera array, which is implemented according to the following steps: Step 1, building a distributed camera array system; Step 2, associating objects in the array, and then moving the associated image sequence Target 3D field flow estimation; Step 3. Sampling the 3D field flow sequence respectively, and using the triangular transformation method to estimate the motion point of the fuzzy target according to the sampling points; Step 4. Estimating the motion point of the fuzzy target by linear interpolation method according to the motion point Fuzzy kernel function; step 5, segment the fuzzy moving target to obtain a target sequence, and use the fuzzy kernel function obtained in step 4 to deconvolute to obtain a deblurred image of the target. Multi-frame rate and multi-exposure strategies are adopted between different camera arrays to overcome the contradiction between the exposure time of a single camera and high-resolution image acquisition; the configuration of the camera array is used to improve the detection range of the field of view and achieve the detection of moving targets under the requirement of a large detection field of view. Vague.

Description

technical field [0001] The invention belongs to the technical field of optical detection and relates to a method for deblurring a moving target based on a distributed camera array. Background technique [0002] In the multi-camera array optical detection system, due to the fast moving speed of the moving target in the detection field of view and the long exposure time of the camera, the relatively large displacement of the target between the beginning and the end of the camera exposure will result in the formation of target overlap. Shadow, ie, motion blur effect. A clear target image is an important prerequisite for target detection, tracking, and recognition. Therefore, research on high-precision, high-reliability moving target deblurring methods is an important means to improve the effects of optical detection system target detection, tracking, and recognition. Existing moving target deblurring methods are mainly divided into two categories: one is a software-led method ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00G06T7/246
Inventor 薛松潘泉赵春晖张夷斋黄诚席庆彪田利民古家德刘流潘利源胡亮吕鑫魏妍妍
Owner NORTHWESTERN POLYTECHNICAL UNIV
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