Werapon CHIRACHARIT Kosin CHAMNONGTHAI King Mongkut’s University of Technology Thonburi Electrical...

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?