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Target object matching method and device and target object monitoring system

A technology of target object and matching method, which is applied in the direction of instruments, character and pattern recognition, computer parts, etc., can solve the problems of low matching efficiency and large amount of calculation for vehicle matching, and achieve the effect of solving displacement offset and improving matching efficiency

Pending Publication Date: 2021-09-28
HANGZHOU HIKVISION DIGITAL TECH
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Problems solved by technology

[0003] In view of this, an embodiment of the present invention provides a target object matching method and device, and a target object monitoring system to solve the technical problem of low matching efficiency due to the large amount of calculation for vehicle matching in the prior art

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  • Target object matching method and device and target object monitoring system
  • Target object matching method and device and target object monitoring system
  • Target object matching method and device and target object monitoring system

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Embodiment Construction

[0023] In order to better understand the technical solutions of the present invention, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0024] It should be clear that the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] figure 1 is a schematic diagram of a scene to which the target object matching method provided in the embodiment of the present invention is applicable.

[0026] refer to figure 1 The target object matching method provided by the embodiment of the present invention is applicable to setting two camera devices at a traffic checkpoint in a road traffic scene, so as to realize the target object ( such as vehicles, pedestrian...

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Abstract

The invention discloses a matching method and device according to a target object and a target object monitoring system. According to a target object matching method, based on a first camera device and a second camera device, a homography matrix between a first image and a second image is obtained by taking a calibration plane as a plane scene, and the target object can be matched on the first image and the second image by selecting one pixel point in the pixel range where the target object is located on the first image. According to the technical scheme, searching and matching of feature points in the image are not needed, and only one-time calibration is needed, so that the matching efficiency is improved.

Description

【Technical field】 [0001] The invention relates to the technical field of intelligent transportation systems, in particular to a target object matching method and device, and a target object monitoring system. 【Background technique】 [0002] The intelligent transportation system is the development direction of the future transportation system, and it will be widely used. An important technology in intelligent transportation system is vehicle identification and matching technology. In the prior art, vehicle recognition and matching is realized by searching and matching feature points from the images captured by the camera, but usually it is necessary to find multiple feature points from the image for matching, and the amount of calculation is very large, which leads to a high efficiency of recognition and matching. lower. 【Content of invention】 [0003] In view of this, the embodiments of the present invention provide a target object matching method and device, and a targe...

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Application Information

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IPC IPC(8): G06K9/00G06K9/62
Inventor 方吉庆
Owner HANGZHOU HIKVISION DIGITAL TECH
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