Octree forest compression based three-dimensional voxel access method
A technology of three-dimensional voxel and access method, which is applied in the field of three-dimensional voxel access based on octree forest compression, which can solve the problems of large storage space, occupation, limited application, etc., and achieve fast search speed, high-efficiency and fast reading , the effect of small depth
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[0040] In order to describe the present invention more specifically, the technical solutions of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
[0041] In this embodiment, the octree forest structure to which a volume space with a size of 3m×3m×3m belongs will be compressed with reference to the accompanying drawings.
[0042] like figure 1 As shown, firstly, the entire volume space is roughly and evenly divided into 30×30×30 small cubes, each cube is 0.1m in size, and then an octree is constructed in each small area, so that all the Octrees make up an octree forest. Each octree corresponds to a cube area in physical space, and each tree carries a tree label to mark whether the tree is a non-empty tree.
[0043] The specific forest construction and growth methods are as follows:
[0044] When a depth image and its corresponding camera parameters are given, it can be determined whether each node o...
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