Automated method and system for the detection of lesions in medi

Details Automated method and system for the detection of lesions in medi Automated method and system for the detection of lesions in medi

1994-03-31

1999-03-09

Porta, David P.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378901, 2503634, A61B 603

Patent

active

058811249

ABSTRACT:
A method and system for the automated detection of lesions in computed tomographic images, including generating image data from at least one selected portion of an object, for example, from CT images of the thorax. The image data are then analyzed in order to produce the boundary of the thorax. The image data within the thoracic boundary is then further analyzed to produce boundaries of the lung regions using predetermined criteria. Features within the lung regions are then extracted using multi-gray-level thresholding and correlation between resulting multi-level threshold images and between at least adjacent sections. Classification of the features as abnormal lesions or normal anatomic features is then performed using geometric features yielding a likelihood of being an abnormal lesion along with its location in either the 2-D image section or in the 3-D space of the object.

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