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Marching cubes: A high resolution 3D surface construction algorithm
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DOI：10.1145/37402.37422.png)
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Abstract
En 中文
We 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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