An Introduction to Digital Imaging
Digital Imaging
What is an image?
Acquisition Considerations
How do you acquire a digital image?
Film
Film
Polaroid Type 55
Film Characteristic Curve
Scanner
Video
Video Formats
Framestores
Digital Cameras
Digital Scan generator
Digital image considerations
Spatial Resolution
Intensity Response
Visual Response
The bottom line is…
Digital Image Storage
Storage Formats
TIFF vs. JPEG
TIFF vs. JPEG
TIFF vs. JPEG
Storage Formats
Storage Formats
Dealing with digital images
Enlarging
Correcting Image Defects
Non-Square Pixels
Image Distortion
Image Processing
Feature Analysis
Printing the image
Grayscale images on binary printers
Half-toning and screening
Binary “half-toning”
What is Gamma?
Dithering
“Publication quality” images?
Image Quality
Image Quality
Best Image Quality
What resources do we have?