Truncated signed distance field (TSDF) ◇Less memory than SDF 0 02 0.g 111 11 0.s .2 0.5 0.9 1 0c03b】 0.2 0.8 1 1 0.20.8 1 0. o.2 0.60.8 0.30.70.9 1 00.0.30.81 0.90.70.l00.40.91 1 0.0.4 11 11
Outline ◇Point cloud Signed distance field ◇Implicit function Grid Pixel,Voxel ◇Quad-tree,Octree ◇Mesh Triangle,Tetrahedron Data structure Halfedge File format ⊙Obj,Of
Implicit function F(x,y,z）=0 F(x,y,z)<0 F(x,y,z)>0 Singed distance field is also an implicit function
𝐹 𝑥, 𝑦, 𝑧 > 0 𝐹 𝑥, 𝑦, 𝑧 = 0 𝐹 𝑥, 𝑦, 𝑧 < 0