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A neural network for fusing the MR information into PET images to improve spatial resolution

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3 Author(s)
Sase, M. ; Interdisciplinary Graduate Sch. of Sci. & Eng., Tokyo Inst. of Technol., Yokohama, Japan ; Kinoshita, N. ; Kosugi, Yukio

We propose a neural network architecture to fuse the anatomical information given by an MR image, into a PET image to reconstruct a reasonable activity distribution in the brain. In the network, convolutional parameters and the anatomical brain structure are expressed in pre-wired weights. When an observed PET image is given to the comparison side of the network, the activity profile of the activity layer is iteratively adjusted to constitute a reasonable model for the positron generating profile, using a modified network inversion technique

Published in:

Image Processing, 1994. Proceedings. ICIP-94., IEEE International Conference  (Volume:3 )

Date of Conference:

13-16 Nov 1994

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