Method to estimate fan‐beam CT noise power spectrum using two basis functions with a limited number of noise realizations

2022 ◽  
Author(s):  
Hanjoo Jang ◽  
Jongduk Baek
Keyword(s):  
Power Spectrum ◽  
Basis Functions ◽  
Noise Power ◽  
Noise Power Spectrum

Noise power spectrum studies of CT systems with off-centered image object and bowtie filter

2016 ◽  
Author(s):  
Daniel Gomez-Cardona ◽  
Juan P. Cruz-Bastida ◽  
Ke Li ◽  
Adam Budde ◽  
Jiang Hsieh ◽  
...  
Keyword(s):  
Power Spectrum ◽  
Noise Power ◽  
Noise Power Spectrum ◽  
Image Object
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