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Random-grid stereology applied to MR head scans

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2 Author(s)
Lee, K.K. ; Sch. of Appl. Eng., Nanyang Technol. Univ., Singapore ; Rajapakse, J.C.

Fixed-grid 3D stereology uses a randomly placed 3D parallelepiped grid for sampling image space to generate test points. Though this is an efficient technique, the use of the fixed-grid introduces errors in the final estimate. Random-grid 3D stereology was introduced to improve the accuracy while maintaining a high efficiency (J.C. Rajapakse and K.K. Lee, 1998). The authors apply random-grid 3D stereology for volumetry of human brain and ventricles in MR head scans. They demonstrate superior efficiency and accuracy of random-grid stereology compared to fixed-grid stereology when applied to MR head scans. Also, the effects of grid sizes and the optimal directions of sectioning on volume estimates of the brain and ventricles are investigated

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Neural Information Processing, 1999. Proceedings. ICONIP '99. 6th International Conference on  (Volume:3 )

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