Automatic selection of the log-subtraction decomposition...

Details Automatic selection of the log-subtraction decomposition... Automatic selection of the log-subtraction decomposition...

2006-06-27

2006-06-27

Mehta, Bhavesh M. (Department: 2621)

Image analysis

Applications

Biomedical applications

C382S132000

Reexamination Certificate

active

07068826

ABSTRACT:
The present technique provides a variety of processing schemes for decomposing soft tissue and bone images more accurately from low and high-energy images acquired from an imaging system, such as a dual-energy digital radiography system using flat-panel technology. In particular, a parameter selection process is provided for automatically computing the decomposition parameters WS and WB to create soft tissue and bone images, respectively. The parameter selection process modifies a default decomposition parameter based on a variety of image and technique variables, such as intensity levels of the low and high-energy images, the patient size, and the collimator filtration setting. The parameter selection process avoids robustness problems associated with image-based algorithms, and the process may operate without any direct user interaction.

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J. A. Seibert et al., Nuclear Symposium, 1996. Conference Record., 1996 IEEE, vol.: 2, Nov. 2-9, 1996, pp.: 1244-1247 vol. 2.

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