Train positioning method combining image matching and two-dimensional code

Abstract

The embodiment of the invention provides a train positioning method combining image matching and a two-dimensional code, equipment and a storage medium. The train positioning method comprises the steps that an environment image of a train in operation is collected; first position information corresponding to a standard image matched with the environment image and second position information corresponding to a two-dimensional code graph in the environment image are acquired; and current position information of the train is determined according to the first position information and the second position information. Through the method, the accuracy of train positioning information can be effectively improved, investment of operation and maintenance cost is effectively reduced, and high applicability is achieved.

Description

technical field [0001] The invention relates to the technical field of train control, in particular to a train positioning method, equipment and storage medium combining image matching and two-dimensional codes. Background technique [0002] With the rapid development of cities, giving priority to the development of urban public transport systems with rail transit as the backbone has become one of the effective means to solve urban traffic problems; For train driving safety, it is necessary to obtain the location information of trains in operation in rail transit. [0003] At present, transponders, track circuits or GNSS (Global Navigation Satellite System) are generally used in rail transit to locate running trains, among which transponder-based positioning is the most widely used. [0004] However, no matter which of the above positioning methods, there is the problem of inaccurate train positioning due to its own nature limitations. Specifically, the positioning method b...

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Problems solved by technology

[0004] However, no matter which of the above positioning methods, there is the problem of inaccurate train positioning due to its own nature limitations. Specifically, the positioning method based on transponders requires the arrangement of a large number of transponders and high maintenance costs , if the number of transponders is insufficient, it is impossible to accurately locate the train, that is, it cannot meet the requirements of economy and accuracy at the same time; while the positioning method based on track circuits can only determine that the train is in a certain interval, and cannot perform more accurate positioning. Positioning; and GNSS can only be applied on the Qinghai-Tibet line with fewer obstacles because of its high terrain requirements, and it cannot be accurately positioned in the city

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