This paper provides good background information by describing the uses of CT, MR, SPECT and how it aids physicians in understanding them. I appreciate the fact that such an algorithm was designed back in the 80's and I am most certain that it has many applications today and maybe even many flavors of the algorithm. The models produced by the marching cubes algorithm have a striking similarity of reality because of the amount of detail that can be visualized in the models.
The calculation of cubes from the input slices seems like an improvement over the older algorithms where the calculations are not fine, but marching cubes is formulated such that every detail of the image is taken into consideration. The improvements the authors give at the end using dividing cubes can a good enhancement to represent big volumes of 3-d data.
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