Title: Digital Image Processing 0909.452.01/0909.552.01 Fall 2001
1Digital Image Processing0909.452.01/0909.552.01
Fall 2001
Lecture 1September 10, 2001
- Shreekanth Mandayam
- ECE Department
- Rowan University
- http//engineering.rowan.edu/shreek/fall01/dip/
2Plan
- What is an image?
- Mathematical representation of monochromatic
images - What is a digital image?
- Digital image processing
- Fundamental steps
- Why do we need this?
- Course logistics
- Self-Assessment Test
- Sampling Quantization
- Image Preprocessing
- Pre-Lab 1
3Images
Sample Quantize
4Digital Image
y
x
Gray Level
f(x,y)
5Fundamental Steps
Representation Description
Preprocessing
Segmentation
Knowledge Base
Problem Domain
Image Acquisition
Recognition Interpretation
Result
Rafael C. Gonzalez and Richard E. Woods, Digital
Image Processing, Addison-Wesley, 1992
6DIP Details
7DIP Course Logistics
http//engineering.rowan.edu/shreek/fall01/dip/
8Sampling Quantization
- Sampling
- demos/demo1sampling_and_quantization/demo_sampling
.m - Quantization
- demos/demo1sampling_and_quantization/demo_quant.m
9Image Preprocessing
Restoration
Enhancement
- Inverse filtering
- Wiener filtering
Spatial Domain
Spectral Domain
- Filtering
- gtgtfft2/ifft2
- gtgtfftshift
- Point Processing
- gtgtimadjust
- gtgthisteq
- Spatial filtering
- gtgtfilter2
10Point Processing(Intensity Transformation)
s(x,y) T r(x,y)
Transformed Gray Level
Original Gray Level
Transformation Function
gtgtimadjdemo gtgtimadjust
11Pre-Lab 1 Intro to Matlab IP Toolbox
http//engineering.rowan.edu/shreek/fall01/dip/ip
intro.html
12Summary