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Introduction
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12 Image Processing
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YIQ Conversion
12.3 Convolutions
Introduction
12.3.2 The Convolution Operation
Two-Dimensional Convolutions
Separable Filters
12.3.3 Convolutions Using the Accumulation Buffer
12.3.4 The Convolution Extension
12.3.5 Useful Convolution Filters
Line detection
Horizontal Edges
Vertical Edges
Left Diagonal Edges
Right Diagonal Edges
Gradient Detection (Embossing)
North
West
East
South
Northeast
Smoothing and Blurring
Arithmetic Mean
Basic Smooth: 3x3
Basic Smooth: 5x5
High-pass Filters
Basic High-Pass Filter: 3x3
Basic High-Pass Filter: 5x5
Laplacian Filter
Sobel Filter
Horizontal
Vertical
12.3.6 Correlation and Feature Detection
