Marching cubes: A high resolution 3D surface construction algorithm
1987; ACM SIGGRAPH; Volume: 21; Issue: 4 Linguagem: Inglês
10.1145/37402.37422
ISSN1558-4569
AutoresWilliam E. Lorensen, H. E. Cline,
Tópico(s)Medical Image Segmentation Techniques
ResumoWe present a new algorithm, called marching cubes , that creates triangle models of constant density surfaces from 3D medical data. Using a divide-and-conquer approach to generate inter-slice connectivity, we create a case table that defines triangle topology. The algorithm processes the 3D medical data in scan-line order and calculates triangle vertices using linear interpolation. We find the gradient of the original data, normalize it, and use it as a basis for shading the models. The detail in images produced from the generated surface models is the result of maintaining the inter-slice connectivity, surface data, and gradient information present in the original 3D data. Results from computed tomography (CT), magnetic resonance (MR), and single-photon emission computed tomography (SPECT) illustrate the quality and functionality of marching cubes . We also discuss improvements that decrease processing time and add solid modeling capabilities.
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