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Chp 2: Introduction to Medical Images - Coggle Diagram
Chp 2: Introduction to Medical Images
To solve 3 issues
Sources of Medical Images
What's image?
2 types of image
Smallest element
How to convert from analog to digital?
Sampling (x axis) & Quantisation (y axis)
Image quality
Spatial Resolution
Intensity level Resolution
smallest is pixle
has bits (shades)
e.g 8 bits is 1 byte
so, possible values is 2 power of 8 = 256 (-1, no. that can be inside the box
Types of Digital Images
1) Monochromatic
2) Grayscale
3) True Colour/RGB
4) Indexed Image
Digital Image type VS. File Types
Calculating Image/File size
Digital Image File Format
DICOM?
BIN
BMP
GIF
TIFF
JPEG