Download presentation
Presentation is loading. Please wait.
Published byRegina Wilcox Modified over 9 years ago
1
1-1 Chapter 1: Introduction 1.1. Images An image is worth thousands of words
2
1-2 Human Eyeball Camera
3
1-3 1.2. Digital Images Digital image: content of image array Pixel: picture element Gray level: pixel value (0 – 255) Camera Sensor array Image array
4
1-4 Imaging Model
5
1-5 Scene: a 3-D function, g(x,y,z) Image: a 2-D function, f(x,y) Origin ○
6
1-6 Spatial Resolution
7
1-7 Grayscale resolution (Quantization) False contours
8
1-8 ○ Two major applications of image processing (A) Human perception (B) Machine interpretation (A) Human perception Image sharpening
9
1-9 Noise removal Deblurring
10
1-10 (B) Machine interpretation Image segmentation Edge detection Line drawing
11
1-11 ○ Three levels of image processing Low-level processing – e.g., Noise removal (smoothing) Contrast enhancement Mid-level processing – e.g., Edge detection Image segmentation High-level processing – e.g., Image understanding Scene interpretation
12
1-12 Intensity (grayscale) image ○ Types of images Binary image
13
1-13 2-13 Color image Indexed (or palette) color image
14
1-14 X-ray image
15
1-15 X-ray transmission computerized tomography (CT) image
16
1-16 Gamma-ray images
17
1-17 Ultrasound images
18
1-18 Ultraviolet images
19
1-19 Radio images
20
1-20 Multispectral images
21
1-21 Range images
22
1-22 Moire images
23
1-23 Structure light images
24
1-24
25
1-25 Simultaneous contrast Optical illusion ○ Image Perception
26
1-26 Overshoot and Undershoot e.g., Mack band pattern
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.