نتایج جستجو برای: voxel
تعداد نتایج: 14434 فیلتر نتایج به سال:
Diffusion tensor imaging provides increased sensitivity to microstructural tissue changes compared conventional anatomical but also presents limited specificity. To tackle this problem, the DIAMOND model subdivides voxel content into diffusion compartments and draws from diffusion-weighted data estimate compartmental non-central matrix-variate Gamma distribution of tensors, thereby resolving cr...
ÐA voxel-based method for flattening a surface in 3D space into 2D while best preserving distances is presented. Triangulation or polyhedral approximation of the voxel data are not required. The problem is divided into two main parts: Voxel-based calculation of the minimal geodesic distances between points on the surface and finding a configuration of points in 2D that has Euclidean distances a...
This paper presents a coarse-grain approach based on the Weibull E-SD field for segmentation of an object with gray levels appearing in a volume data. The input data is on a 3D structured grid and of the form δ =) , , (k j i v , where δ is some scalar value. In this paper, we consider a voxel as a k k k × × cube, and each voxel is assigned two values: expectancy and standard deviation (E-SD). W...
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