A method for extracting road network topology points in a picture
A road network and topological point technology, which is applied in the field of basic database construction of virtual road traffic system, can solve the problem of not being able to directly access internal data, programs, modules, etc., and achieve an easy-to-use algorithm, high application value, and strong applicability Effect
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[0034] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments:
[0035] The invention provides a method for extracting topological points of a road network in a picture, which can identify nodes, inflection points and intermediate nodes of the road network. The method includes sequential image information reading, image preprocessing, skeleton graph scanning to obtain topological points and road nodes, deletion of redundant nodes, and image recognition to obtain the road network basis. The method of the invention extracts road network topological points based on picture recognition, and expands the construction method of the basic database of the virtual road traffic system.
[0036] The invention provides a method for extracting road network topology points in a picture, which can quickly and accurately identify the nodes, inflection points and intermediate nodes of the road network, including sequential picture in...
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