Foreign matter intrusion detection device and foreign matter intrusion detection method

Abstract

The invention discloses a device for foreign body invasion detection and a method for foreign body invasion detection. A monocular camera is configured to be able to transmit an image within a monitoring range to an image collecting and processing system. A laser trace control system is configured to be able to control a single-point laser range finder to rotate and pitch according to a rotating angle and a pitching angle, the single-point laser range finder measures the straight-line distance between a foreign body and the single-point laser range finder, and the straight-line distance is transmitted to the image collecting and processing system. According to the received image, the image collecting and processing system judges whether a suspected foreign body appears within the monitoring range of the monocular camera or not, obtains the image and the image point of the suspected foreign body when the suspected foreign body appears, calculates the position and the azimuth angle of the suspected foreign body in camera coordinates of the corresponding monocular camera, and calculates the rotating angle and the pitching angle used for the single-point laser range finder by using the obtained position and azimuth angle. The image collecting and processing system uses the received straight-line distance and the suspected foreign body image for restoring the actual position and size of the foreign body to judge whether the suspected foreign body is an invading foreign body or not.

Description

technical field [0001] The invention relates to the technical field of railway operation safety detection, in particular to a foreign object intrusion detection device and a foreign object intrusion detection method, in particular to a railway foreign object intrusion detection device and method based on a monocular camera group and a single-point laser ranging. Background technique [0002] With the increasing intensity of high-speed railway construction in my country, during the construction process of new railways crossing or adjacent to existing lines, machinery, equipment, personnel and construction materials often intrude into the boundaries of existing lines, which greatly affects the safe operation of existing lines. security risks. At the same time, there are often sudden hazards such as falling rocks in mountainous areas and tunnel entrances and exits, which seriously endanger the safety of railway transportation. Therefore, accurate and timely detection of foreign...

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