Method and system for verifying detection of a lung nodule

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United States of America Patent

PATENT NO 8229195
APP PUB NO 20100040269A1
SERIAL NO

12540121

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Abstract

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Detected lung nodules are presented in a chest radiographic sub-image. A curve is matched to pixels in the sub-image and confidence values for individual pixels is determined. A confidence image is generated consisting of the confidence values at the position of the respective pixel. Separated regions of pixels within the confidence image are identified which have a confidence value greater than a threshold confidence value. A filtered confidence image is generated consisting of the separated regions of the confidence image which are larger than a threshold area. A histogram of values characteristic for the matching of the curve is determined, wherein the filtered confidence image is used as a mask, such that only values are considered for the histogram which correspond to the separated regions of the filtered confidence image. A statistical measure of the histogram is determined and the lung nodules are verified based on the statistical measure.

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Patent Owner(s)

Patent OwnerAddress
SIEMENS INFORMATION SYSTEMS LTD84 KEONICS ELECTRONICS CITY HOSUR ROAD BANGALORE 560100

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Acharyya, Mausumi Bangalore, IN 6 87

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