A method for detecting abnormal movement of a camera and intrusion of foreign objects in a scene

A technology of foreign body intrusion and detection method, which is applied in the field of computer vision and security monitoring, can solve the problems of unsatisfactory foreign body intrusion detection effect and difficult to achieve consistency.

Active Publication Date: 2019-01-04
UNIV OF JINAN
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in actual situations, the light is greatly affected by weather and other factors, and it is difficult to achieve consistency; it is normal for the camera to shake d

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  • A method for detecting abnormal movement of a camera and intrusion of foreign objects in a scene
  • A method for detecting abnormal movement of a camera and intrusion of foreign objects in a scene
  • A method for detecting abnormal movement of a camera and intrusion of foreign objects in a scene

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Embodiment Construction

[0072] In order to clearly illustrate the technical characteristics of the present solution, the present invention will be described in detail below through specific embodiments and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted herein to avoid unnecessaril...

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Abstract

The invention discloses a detection method for judging abnormal movement of a camera head and intrusion of foreign objects in a scene, which comprises the following steps: 1, obtaining a series of image sequences of a gun-type camera head; 2, obtaining an edge distribution cumulative probability model by using an image sequence; 3, comparing the edge distribution of the current image and the previous image, and judging whether the camera moves abnormally; 4, when the camera doe not move, comparing the edge distribution of the current image with the cumulative probability model of the edge distribution to judge whether foreign object intrusion exists or not. The method of the invention is simple and easy to implement, greatly reduces the time complexity of the algorithm, and can effectivelyrealize automatic detection functions such as abnormal movement of the camera, foreign object intrusion in the scene and the like.

Description

technical field [0001] The invention relates to a detection method for judging the abnormal movement of a camera and the intrusion of foreign objects in a scene, and belongs to the technical fields of computer vision and safety monitoring. Background technique [0002] At present, there are a large number of bullet cameras in the market. This type of camera has a fixed focal length and can monitor its surrounding environment. Due to the difficulty of power supply, surveillance cameras in borders, oil fields and other places need to be equipped with separate batteries to work. In order to save power and avoid frequent battery replacement, these cameras usually monitor the surrounding environment by taking snapshots, and finally obtain a sequence of images with a certain time interval. [0003] For borders, oil fields and other places, nearby people, vehicles and fires are all foreign object invasion. At present, the common method of detecting foreign object intrusion is the...

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Application Information

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IPC IPC(8): G06T7/73G06T7/20G06T7/13G06T7/12G06T5/00
CPCG06T5/002G06T7/20G06T2207/20032G06T2207/30232G06T7/12G06T7/13G06T7/73
Inventor 李金屏于向茹丁健配窦一民林振锴
Owner UNIV OF JINAN
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