
Contents
1 Raster images 3
2 Quantization 17
Foreword by Jim Blinn vii
Foreword by Mark Schubin ix
List of figures xxv
List
of tables xxxv
Part 1 -Introduction 1
Imaging 3
Aspect ratio 4
Digitization 5
Pixel array 6
Visual acuity 8
Viewing distance and angle 8
Spatiotemporal domains 10
Lightness terminology 11
Nonlinear image coding 12
Linear and nonlinear 15
Luma and color difference components
SDTV/H DTV 16
Decibels 18
Noise, signal, sensitivity 19
Quantization error 20
Linearity 21
Perceptual uniformity 21
Headroom and footroom 22
16