Digital Image Processing Chapter 1 Introduction What Is
- Slides: 33
Digital Image Processing Chapter 1: Introduction
What Is Digital Image Processing? ¡ A sample digital image. 662*640*2 56. y x
f(x, y): A two-dimensional function, where x and y are spatial coordinates, and the amplitude of f at any pair of coordinates (x, y) is called the intensity or gray level of the image at that point. ¡ x size: 662, y size: 640, gray levels: 256 ¡ Digital image: x, y, and the amplitude values of f are all finite, discrete quantities ¡
¡ A sample color digital image, 800*600 *24 bits
¡ Pixel: The elements of a digital image. Pixels
¡ Some applications l l l FUJIFILM: Searching faces, Fuji. htm License plates, Licence. htm Tracking people, Hand. htm
The Origins of Digital Image Processing ¡ One of the first applications of digital images was in the newspaper industry, when pictures were first sent by submarine cable between London and New York.
¡ Better quality
¡ 15 -tone equipment
¡ From computers, meaningful image processing tasks appeared.
Medical imaging ¡ Remote Earth resource observations ¡ Astronomy ¡ High-energy plasmas and electron microscopy ¡
Examples of Fields tat Use Digital Image Processing ¡ Electromagnetic energy spectrum
Gamma. Ray Imaging
X-ray Imaging
Imaging in the Ultraviolet Band
Imaging in the Visible and Infrared Bands
¡ Remote sensing
¡ Weather Observa tion, visible and infrared bands
¡ Infrared imaging
¡ Automated visual inspection
Imaging in the Microwave Band
Imaging in the Radio Band ¡ MRI
Examples in which Other Imaging Modalities Are Used ¡ Sound
¡ Ultrasound
¡ Electron Microscope
¡ Images generated by computers
Fundamental Steps in Digital Image Processing Methods whose input and output are images ¡ Methods whose outputs are attributes extracted from those images ¡
Components of an Image Processing System
- Histogram processing in digital image processing
- Neighborhood processing in image processing
- Neighborhood processing in digital image processing
- What is point processing in digital image processing
- Image enhancement by point processing
- Digital image processing
- Image transform in digital image processing
- Optimum notch filter in image processing
- Fundamentals of image compression
- Key stages in digital image processing
- Error free compression
- Image sharpening in digital image processing
- Geometric transformation in digital image processing
- Image formation model in digital image processing ppt
- Image transform in digital image processing
- Maketform matlab
- Image restoration in digital image processing
- Introduction to digital image processing
- Introduction to digital image processing with matlab
- Topological descriptors in image processing
- Representation and description in digital image processing
- Segmentation in digital image processing
- Explain basic relationship between pixels
- Intensity transformation function example
- Zooming and shrinking of digital images
- Imadjust
- 4-adjacency 8-adjacency m-adjacency example
- Coordinate conventions in digital image processing
- Dam construction in digital image processing
- Digital image processing java
- Thresholding in digital image processing
- Filteration
- Digital image processing
- Representation and description in image processing