no code implementations • 5 Jan 2022 • Siqi Li, Kuang Gong, Ramsey D. Badawi, Edward J. Kim, Jinyi Qi, Guobao Wang
In this paper, we propose an implicit regularization for the kernel method by using a deep coefficient prior, which represents the kernel coefficient image in the PET forward model using a convolutional neural-network.
no code implementations • 30 Oct 2019 • Hao Sun, Jiadong Guo, Edward J. Kim, Robert J. Brunner
The increasing amount of data in astronomy provides great challenges for machine learning research.
1 code implementation • 15 Aug 2016 • Edward J. Kim, Robert J. Brunner
Most existing star-galaxy classifiers use the reduced summary information from catalogs, requiring careful feature extraction and selection.
2 code implementations • 8 May 2015 • Edward J. Kim, Robert J. Brunner, Matias Carrasco Kind
There exist a variety of star-galaxy classification techniques, each with their own strengths and weaknesses.
Instrumentation and Methods for Astrophysics