Image analysis – Pattern recognition – Feature extraction
Reexamination Certificate
2007-01-09
2007-01-09
Wu, Jingge (Department: 2624)
Image analysis
Pattern recognition
Feature extraction
C382S205000
Reexamination Certificate
active
10297845
ABSTRACT:
An image segmentational recognition method in industrial radiational imaging, comprising the steps of: pre-processing an original image to climate noises; log-transforming, to obtain a linear attenuation coefficient image; edge detecting; edge tracking, to track the points whose edge values are close to each other to obtain edge segments; edge connecting, to connect edge segments; edge connecting, to connect edge segments whose average edge values are close to each other; edge closing; region filling; and region displaying. In comparison with existing arts, the present invention can separate effectively the overlapped objects in an image, raise the efficiency of image inspection, and find out concealed contraband goods more easily.
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Chen Zhi-qiang
Cheng Jianping
Jin Hui
Zhang Li
Birch & Stewart Kolasch & Birch, LLP
Kim Charles
Nuctech Company Limited
Tsinghua University
Wu Jingge
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