Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Patent
1995-07-24
1998-07-28
Smith, Ruth S.
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
600544, 395 21, 395 23, 395924, A61B 500
Patent
active
057856532
ABSTRACT:
A live body internal condition predicting and expressing system is capable of predicting the internal condition of a live body on the basis of an electromagnetic field distribution at significantly reduced period. The system comprises an electromagnetic field distribution measuring portion, a training data generating portion generating a plurality of training data on the basis of an electromagnetic field distribution derived from a head model data designating a head model and a predetermined dipole parameter and an internal condition category data describing a relationship between the active region of a brain and the internal condition of the live body, an inference portion deriving a numeric value representative of the active region of the brain from the electromagnetic field distribution in the training data with employing a neural network having predetermined coupling coefficients representative of coupling condition between each unit forming each layer and transforming portion transforming the numeric value representative of the active region in the brain output from said inferencing means into an expression indicative of the internal condition of the live body.
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David E. Rumelhart et al, "Learning Internal Representation by Erropr Propagation", Parallel Distributed Processing, 1986, pp. 318-362.
Kiyuna Tomoharu
Tanigawa Tetsuji
Yamazaki Toshimasa
NEC Corporation
Smith Ruth S.
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