Identification of suspicious mass regions in mammograms

Details Identification of suspicious mass regions in mammograms Identification of suspicious mass regions in mammograms

1996-03-12

1997-03-25

Porta, David P.

X-ray or gamma ray systems or devices

Specific application

Mammography

378 62, A61B 612

Patent

active

056152434

ABSTRACT:
A method of detecting and identifying abnormal regions in living tissue depicted in a digital radiograph includes, in each of a number of stages, identifying an abnormal region; and reducing any overlap between the identified regions. Typically the digital radiograph is a mammogram and the abnormal regions are suspicious mass regions in a human breast. Five stages of identifying are used to detect a region with a global minimum in the smoothed image; a region with a local minimum in the original image; a region with a local minimum in the filtered image; a small region of rounded shape and low contrast; and a region of rounded shape and high contrast.

REFERENCES:
patent: 4349739 (1982-09-01), Annis
patent: 5142557 (1992-08-01), Toker et al.
patent: 5365429 (1994-11-01), Carman

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