werapon chiracharit kosin chamnongthai king mongkut’s university of technology thonburi electrical...
DESCRIPTION
D ETECTION AND C LASSIFICATION OF M ICROCALCIFICATIONS IN D IGITIZED M AMMOGRAMS FOR C OMPUTER- A IDED D IAGNOSIS OF B REAST C ANCER. Werapon CHIRACHARIT Kosin CHAMNONGTHAI King Mongkut’s University of Technology Thonburi Electrical and Computer Engineering. B REAST C ANCER. - PowerPoint PPT PresentationTRANSCRIPT
DETECTION AND CLASSIFICATION OF MICROCALCIFICATIONS IN DIGITIZED
MAMMOGRAMS FOR COMPUTER-AIDED DIAGNOSIS OF BREAST CANCER
Werapon CHIRACHARITKosin CHAMNONGTHAI
King Mongkut’s University of Technology ThonburiElectrical 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
ten s
it y
position
microcalcifications
noises
background
DETECTED MICROCALCIFICATIONS
input image output image
to be continued
PART II CLASSIFICATION OF
MICROCALCIFICATIONS
Benign or Malignant?