Image analysis – Pattern recognition – Feature extraction
Reexamination Certificate
2011-03-22
2011-03-22
Ahmed, Samir A (Department: 2624)
Image analysis
Pattern recognition
Feature extraction
C382S128000, C382S182000
Reexamination Certificate
active
07912292
ABSTRACT:
A system and method for determining the presence or absence of candidate objects in a digital image by computing a gradient field of the digital image and then applying predetermined filters to the gradient field to obtain a response image which can be further processed to detect the objects. The application of these filters to the digital image can be performed by convolution and the filters can be adapted based on the shape of the object to be searched.
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Bogoni Luca
Periaswamy Senthil
Ahmed Samir A
Lee John W
Siemens Medical Solutions USA , Inc.
Withstandley Peter
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