Image analysis – Applications – Biomedical applications
Patent
1995-02-15
1998-06-23
Johns, Andrew W.
Image analysis
Applications
Biomedical applications
382201, 382286, G06K 900, G06K 946, G06K 950
Patent
active
057713081
ABSTRACT:
A method of processing an image representing an object of substantially uniform intensity contrasted against a background of uniform intensity includes the determination of a trace (.increment.) of the image cutting the object in a segment (I) and the scanning of the image by said trace starting from an origin pixel (yl). Firstly, at each current pixel (Pi) cumulated sums is determined, computed beforehand over intervals of the trace which are delimited by the origin pixel (yl) and by end pixels defined by the abscissa (yi) of the current pixel and by a semi-width function of the cumulated sums is estimated within limits (al, am) of the semi-width parameter. Then, over the set of pixels of the trace, a second estimated, as, respectively, the abscissa (yo) of the pixel of the trace, includes storage and computing devices for implementing this method.
REFERENCES:
patent: 5054094 (1991-10-01), Barski
patent: 5471550 (1995-11-01), Kurachi
"Automated Identification of Vessel Contours in Coronary Arteriograms by an Adaptive Tracking algorithm" Ying Sun, IEEE Transactions on Medical Imaging, vol. 8, No. 1, Mar. 1989.
Davis Monica S.
Johns Andrew W.
Slobod Jack D.
U.S. Philips Corporation
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