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|Title:||Three-dimensional Talairach-Tournoux brain atlas|
|Authors:||Fang, Anthony |
Nowinski, Wieslaw L.
Nguyen, Bonnie T.
Bryan, R.Nick M.D.
|Citation:||Fang, Anthony,Nowinski, Wieslaw L.,Nguyen, Bonnie T.,Bryan, R.Nick M.D. (1995). Three-dimensional Talairach-Tournoux brain atlas. Proceedings of SPIE - The International Society for Optical Engineering 2431 : 583-592. ScholarBank@NUS Repository.|
|Abstract:||The Talairach-Tournoux Stereotaxic Atlas of the human brain is a frequently consulted resource in stereotaxic neurosurgery and computer-based neuroradiology. Its primary application lies in the 2-D analysis and interpretation of neurological images. However, for the purpose of the analysis and visualization of shapes and forms, accurate mensuration of volumes, or 3-D models matching, a 3-D representation of the atlas is essential. This paper proposes and describes, along with its difficulties, a 3-D geometric extension of the atlas. We introduce a `zero-potential' surface smoothing technique, along with a space-dependent convolution kernel and space-dependent normalization. The mesh- based atlas structures are hierarchically organized, and anatomically conform to the original atlas. Structures and their constituents can be independently selected and manipulated in real-time within an integrated system. The extended atlas may be navigated by itself, or interactively registered with patient data with the proportional grid system (piecewise linear) transformation. Visualization of the geometric atlas along with patient data gives a remarkable visual `feel' of the biological structures, not usually perceivable to the untrained eyes in conventional 2-D atlas to image analysis.|
|Source Title:||Proceedings of SPIE - The International Society for Optical Engineering|
|Appears in Collections:||Staff Publications|
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