发明授权
US5343390A Method and system for automated selection of regions of interest and
detection of septal lines in digital chest radiographs
失效
自动选择感兴趣区域的方法和系统,以及数字胸片X线照片检测中隔线
- 专利标题: Method and system for automated selection of regions of interest and detection of septal lines in digital chest radiographs
- 专利标题(中): 自动选择感兴趣区域的方法和系统,以及数字胸片X线照片检测中隔线
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申请号: US843721申请日: 1992-02-28
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公开(公告)号: US5343390A公开(公告)日: 1994-08-30
- 发明人: Kunio Doi , Xuan Chen , Shigehiko Katsuragawa
- 申请人: Kunio Doi , Xuan Chen , Shigehiko Katsuragawa
- 申请人地址: IL Chicago
- 专利权人: Arch Development Corporation
- 当前专利权人: Arch Development Corporation
- 当前专利权人地址: IL Chicago
- 主分类号: A61B6/00
- IPC分类号: A61B6/00 ; G06F19/00 ; G06T5/00 ; G06T7/00 ; G06F15/00 ; G06F15/42 ; H04N5/30 ; H04N1/40
摘要:
An automated method and system for discriminating between normal lungs and abnormal lungs having interstitial disease and/or septal lines, wherein a large number of adjacent regions of interest (ROIs) are selected, corresponding to an area on a digital image of a patient's lungs. The ROIs each contain a number of square or rectangular pixel arrays and are selected to sequentially fill in the total selected area of the lungs to be analyzed. A background trend is removed from each individual ROI and the ROIs are then analyzed to determine those exhibiting sharp edges, i.e., high edge gradients. A percentage of these sharp-edged ROIs are removed from the original sample based on the edge gradient analysis, a majority of which correspond to rib-edge containing ROIs. After removal of the sharp-edged ROIs, texture measurements are taken on the remaining sample in order to compare such data with predetermined data for normal and abnormal lungs. Thus, a computerized scheme for quantitative analysis of interstitial lung diseases and/or septal lines appearing in digitized chest radiographs can be implemented in practical clinical situations.
公开/授权文献
- US6072719A Semiconductor memory device 公开/授权日:2000-06-06