Techniques to improve the accuracy of noise power spectrum measurements in digital x-ray imaging based on background trends removal

Medical Physics

Volumn 38, Issue 3, 2011, Pages 1600-1610

  Zhou, Zhongxing ^a,b   Gao, Feng ^a,b   Zhao, Huijuan ^a,b   Zhang, Lixin ^a,b  

^a TIANJIN UNIVERSITY   (China)

^b TIANJIN KEY LABORATORY OF BIOMEDICAL DETECTING TECHNIQUES AND INSTRUMENTS   (China)

Author keywords

background trend removal; digital x ray imaging; noise power spectrum; NPS variance

Indexed keywords

FREQUENCY RESPONSE; IMAGE SEGMENTATION; LOW PASS FILTERS; POLYNOMIALS; POWER SPECTRUM; RANDOM PROCESSES; STOCHASTIC SYSTEMS; X RAY APPARATUS;

APPROPRIATE TECHNIQUES; DIGITAL X-RAY IMAGING; LOW-FREQUENCY COMPONENTS; NOISE CHARACTERIZATION; NOISE POWER SPECTRUM; PRECISE MEASUREMENTS; SECOND-ORDER POLYNOMIAL; TREND REMOVALS;

X RAY RADIOGRAPHY;

EID: 79952124295     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.3556566     Document Type: Article

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