Digital Image Characteristics
Online Module |
Mind Map |
Outline
Introduction and Overview
Image Types
Analog Images
For human viewing
Shades of gray
Colors
Digital Images
For computer system processing, distribution, and
storage
Numbers
Digital Image Structure
Pixels
Concept
Pixel values
Matrix
Pixel Bit Depth
Concept
Bits
Number of bits
Dynamic range
Numerical Size
Concept
Significance
Number of pixels
Pixel bit depth
Digital Image Detail
Concept
Pixel Size
Matrix size
Image size (Field of view)
The imaging modalities
Digital Image Contrast
Concept
Acquisition Dynamic Range
Displayed Image Range
Image Processing
Windowing
Concept
Window level
Window width
Image Compression
Concept
Why Compress
Image storage
Image transmission and distribution
Levels of Compression
Concept
Lossless
Lossy
Compression Methods
Concept
JPEG
Other
Summary