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DETECTION AND CLASSIFICATION OF MICROCALCIFICATIONS IN DIGITIZED MAMMOGRAMS FOR COMPUTER-AIDED DIAGNOSIS OF BREAST CANCER Werapon CHIRACHARIT Kosin CHAMNONGTHAI King Mongkut’s University of Technolo gy Thonburi Electrical and Computer Engineering

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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 Presentation

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Page 1: Werapon CHIRACHARIT Kosin CHAMNONGTHAI King Mongkut’s University of Technology Thonburi Electrical and Computer Engineering

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

Page 2: 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?

Page 3: Werapon CHIRACHARIT Kosin CHAMNONGTHAI King Mongkut’s University of Technology Thonburi Electrical and Computer Engineering

SCREENING TEST

Mammography: Breast X-Ray Imaging

ultrasound imaging

magnetic resonance imaging

thermography

Page 4: Werapon CHIRACHARIT Kosin CHAMNONGTHAI King Mongkut’s University of Technology Thonburi Electrical and Computer Engineering

MAMMOGRAM FILMS

Two Mammographic Views

Page 5: Werapon CHIRACHARIT Kosin CHAMNONGTHAI King Mongkut’s University of Technology Thonburi Electrical and Computer Engineering

Second Opinion

COMPUTER-AIDED DIAGNOSIS (CAD)

Page 6: Werapon CHIRACHARIT Kosin CHAMNONGTHAI King Mongkut’s University of Technology Thonburi Electrical and Computer Engineering

DIGITIZED MAMMOGRAM

Transparency Adapter

Scanner Computer

X-Ray Film

Page 7: Werapon CHIRACHARIT Kosin CHAMNONGTHAI King Mongkut’s University of Technology Thonburi Electrical and Computer Engineering

MICROCALCIFICATIONS

Presentation of Mineral Deposits as Specks

Page 8: Werapon CHIRACHARIT Kosin CHAMNONGTHAI King Mongkut’s University of Technology Thonburi Electrical and Computer Engineering

RELATED WORK

Digital Mammograms

Detection of Microcalcifications

Classification of Microcalcifications

Benign / Malignant

Page 9: Werapon CHIRACHARIT Kosin CHAMNONGTHAI King Mongkut’s University of Technology Thonburi Electrical and Computer Engineering

• small size & vary shape• low contrast to background• ambiguity from noises

PART I DETECTION OF MICROCALCIFICATIONS

Calcification or Non-calcification?

Page 10: Werapon CHIRACHARIT Kosin CHAMNONGTHAI King Mongkut’s University of Technology Thonburi Electrical and Computer Engineering

MAMMOGRAPHIC ANALYSISin

ten s

it y

position

microcalcifications

noises

background

Page 11: Werapon CHIRACHARIT Kosin CHAMNONGTHAI King Mongkut’s University of Technology Thonburi Electrical and Computer Engineering

DETECTED MICROCALCIFICATIONS

input image output image

Page 12: Werapon CHIRACHARIT Kosin CHAMNONGTHAI King Mongkut’s University of Technology Thonburi Electrical and Computer Engineering

to be continued

PART II CLASSIFICATION OF

MICROCALCIFICATIONS

Benign or Malignant?

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