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

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Presentation transcript:

(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

(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

(c) 2002 by Yu Hen Hu Examples of DIP: CT: Computer Tomography  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

(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

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

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

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

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

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

(c) 2002 by Yu Hen Hu

Kompresi

Klasifikasi

Kelainan

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

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

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