D ETECTION AND C LASSIFICATION OF M ICROCALCIFICATIONS IN D IGITIZED M AMMOGRAMS FOR C OMPUTER- A...
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Transcript of D ETECTION AND C LASSIFICATION OF M ICROCALCIFICATIONS IN D IGITIZED M AMMOGRAMS FOR C OMPUTER- A...
DETECTION AND CLASSIFICATION OF
MICROCALCIFICATIONS IN DIGITIZED
MAMMOGRAMS FOR COMPUTER-AIDED
DIAGNOSIS OF BREAST CANCER
Werapon CHIRACHARIT
Kosin CHAMNONGTHAI
King Mongkut’s University of Technology Thonburi
Electrical and Computer Engineering
BREAST CANCER
Major Cause for Mortality of Women
its cause?
SCREENING TEST
Mammography: Breast X-Ray Imaging
ultrasound imaging
magnetic resonance imaging
thermography
MAMMOGRAM FILMS
Two Mammographic Views
Second Opinion
COMPUTER-AIDED DIAGNOSIS (CAD)
DIGITIZED MAMMOGRAM
Transparency Adapter
Scanner Computer
X-Ray Film
MICROCALCIFICATIONS
Presentation of Mineral Deposits as Specks
RELATED WORK
Digital Mammograms
Detection of Microcalcifications
Classification of Microcalcifications
Benign / Malignant
• small size & vary shape
• low contrast to background
• ambiguity from noises
PART I
DETECTION OF MICROCALCIFICATIONS
Calcification or Non-calcification?
MAMMOGRAPHIC ANALYSISin
tens
ity
position
microcalcifications
noises
background
DETECTED MICROCALCIFICATIONS
input image output image
to be continued
PART II
CLASSIFICATION OF
MICROCALCIFICATIONS
Benign or Malignant?