A 3D Voxel Access Method Based on Octree Forest Compression
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 limited application, large storage space, occupation, etc., and achieve efficient and fast reading and fast search speed , the effect of small depth
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[0040] In order to describe the present invention in more detail, the technical solution of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
[0041] In this embodiment, a 3m×3m×3m volume space will be compressed in combination with the accompanying drawings.
[0042] Such as figure 1 As shown, first the entire volume space is roughly 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 volume in the volume space The octree constitutes an octree forest. Each octree corresponds to a cube area in the physical space, and each tree has 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 judged whether each node of each tree needs to grow and subdivide accord...
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