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A novel weighted least squares PET image reconstruction method using adaptive variable index sets.
Hongqing Zhu
Jian Zhou
Huazhong Shu
Limin Luo
Published in:
Digit. Signal Process. (2006)
Keyphrases
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reconstruction method
image reconstruction
input image
weighted least squares
high resolution
least squares
super resolution
neural network
image segmentation
image data
surface reconstruction
learning algorithm
upper bound
maximum likelihood
feature points
gradient field