Automatic segmentation, skinline and nipple detection in digital

Details Automatic segmentation, skinline and nipple detection in digital Automatic segmentation, skinline and nipple detection in digital

1994-12-30

1996-11-05

Porta, David P.

X-ray or gamma ray systems or devices

Specific application

Mammography

382132, A61B 600

Patent

active

055725651

ABSTRACT:
Digital mammograms are automatically segmented into background, corresponding to the region external of the breast, and foreground, corresponding to the region within the breast, by the detection of the skinline which forms a border between these regions. A binary array is produced representing an initial coarse segmentation between foreground and background in which a binary one value is assigned to each pixel in the binary array whose intensity exceeds an intensity threshold and/or whose gradient amplitude exceeds a gradient threshold.

REFERENCES:
"Computerized Detection of Masses in Digital Mammograms: Automated Alignment of Breast Images . . . " Fang-Fang Yin et al, Med. Phys. vol. 21, No. 3, Mar. 1994, pp. 445-452.
"Computer Aided Detection and Diagnosis of Masses and Clustered Microcalcifications from Digital Mammograms" Robert Nishikawa et al, SPIE vol. 1905, pp. 422-432.
"Computerized Detection of Masses in Digital Mammograms: Analysis of Bilateral Substration Images" Fang-Fang Yin et al, Med. Phys. 18(5) Sep./Oct. 1991 pp. 955-963.
"Image Processing for Recognition of Tumor on Mammography" S. Yabashi et al, Proceedings of the 1989 International Symposium on Noise and Clutter Rejection in Radars and Imaging Sensors, pp. 182-185.

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