Indoor scene identifying method based on point cloud fragment division
A recognition method and indoor scene technology, applied in character and pattern recognition, instruments, computer parts, etc., can solve problems such as the lack of a model system, and achieve the effect of easy recognition and operation
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[0025] A method for indoor scene recognition based on point cloud segment segmentation, the method comprising the following steps:
[0026] Step 1. Combining with the graph theory method, the scene pre-segmentation is performed on the 3D point cloud image according to the plane normal vector and color information of the 3D point cloud, and the image is divided into different point cloud segments, and each segment is guaranteed to belong to a different object. The indoor scene space contains many objects, such as walls, doors, floors, ceilings, tables, chairs, etc. In order to obtain semantic information in the scene and better understand the environment, scene segmentation is an essential prerequisite.
[0027] The scene pre-segmentation specifically includes the following steps:
[0028] 1) Construct an undirected graph G(V, E), where V represents a vertex in the graph, each vertex represents a data point in the scene space, and each point v i =(x i ,y i ,z i , r i , g ...
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