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    • 9. 发明授权
    • Method and system for verifying detection of a lung nodule
    • 检测肺结节的方法和系统
    • US08229195B2
    • 2012-07-24
    • US12540121
    • 2009-08-12
    • Mausumi Acharyya
    • Mausumi Acharyya
    • G06K9/00
    • G06K9/4604G06K9/6212G06T7/0012G06T7/136G06T7/44G06T2207/10116G06T2207/30064
    • 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.
    • 检测到的肺结节呈现在胸部X光照相子图像中。 曲线与子图像中的像素匹配,并确定各个像素的置信度值。 产生由相应像素的位置处的置信度值组成的置信图像。 识别置信图像内的像素的分离区域,其具有大于阈值置信度值的置信度值。 生成由置信图像的分离区域大于阈值区域的经滤波的置信图像。 确定曲线匹配特征值的直方图,其中滤波的置信图像用作掩模,使得对于对应于滤波的置信图像的分离区域的直方图仅考虑值。 确定直方图的统计量度,并根据统计学方法验证肺结节。
    • 10. 发明申请
    • METHOD AND SYSTEM FOR VERIFYING DETECTION OF A LUNG NODULE
    • 一种用于验证肺功能检测的方法和系统
    • US20100040269A1
    • 2010-02-18
    • US12540121
    • 2009-08-12
    • Mausumi Acharyya
    • Mausumi Acharyya
    • G06K9/00
    • G06K9/4604G06K9/6212G06T7/0012G06T7/136G06T7/44G06T2207/10116G06T2207/30064
    • 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.
    • 检测到的肺结节呈现在胸部X光照相子图像中。 曲线与子图像中的像素匹配,并确定各个像素的置信度值。 产生由相应像素的位置处的置信度值组成的置信图像。 识别置信图像内的像素的分离区域,其具有大于阈值置信度值的置信度值。 生成由置信图像的分离区域大于阈值区域的经滤波的置信图像。 确定曲线匹配特征值的直方图,其中滤波的置信图像用作掩模,使得对于对应于滤波的置信图像的分离区域的直方图仅考虑值。 确定直方图的统计量度,并根据统计学方法验证肺结节。