1. (c) 2002 by Yu Hen Hu Lecture 2. Introduction to Digital Image Processing Sumber: Dept. of Electrical and Computer Engineering ECE533 Digital Image Processing Univ of Wisconsin

2. (c) 2002 by Yu Hen Hu Digital Image and Digital Image Processing  Image – A two-dimensional signal that can be observed by human visual system  Digital image – Representation of images by sampling in time and space.  Digital image processing – perform digital signal processing operations on digital images

3. (c) 2002 by Yu Hen Hu Examples of DIP: CT: Computer Tomography  http://www.nlm.nih.gov/r esearch/visible/image/hea d.jpg  Section through Visible Human Male - head, including cerebellum, cerebral cortex, brainstem, nasal passages (from Head subset)  This is an example of the “visible human project” sponsored by NIH  DIP techniques applicable: –Enhancement –Segmentation

4. (c) 2002 by Yu Hen Hu Ultrasound Image  Profiles of a fetus at 4 months, the face is about 4cm long  Ultra sound image is another imaging modality http://www.parenthood.com/parent_cfmfiles/us.cfm?N=566

5. (c) 2002 by Yu Hen Hu Chapter 1: Introduction

6. (c) 2002 by Yu Hen Hu Chapter 1: Introduction

7. (c) 2002 by Yu Hen Hu Chapter 1: Introduction

8. (c) 2002 by Yu Hen Hu Chapter 1: Introduction

9. (c) 2002 by Yu Hen Hu Chapter 1: Introduction

10. (c) 2002 by Yu Hen Hu

11. Kompresi

12. Klasifikasi

13. Kelainan

14. Why DIP?  One picture worth 1000 words!  Support visual communication  Facilitate inspection, diagnosis of complex systems –Human body –Manufacturing  Entertainment  Keep record, history  Managing multimedia information  Security, –monitoring, –watermarking, etc

15. (c) 2002 by Yu Hen Hu Chapter 1: Introduction