Pre-Processing

Contains functions for manipulating grayscale pixel intensity. These functions as typically used as precursors to segmentation and clean-up steps, to improve the accuracy of the final feature selection.

Functions

Contrast

• Adjust Contrast
• Histogram Equalization
• *Histogram Match
• Flatten Background

Cluster

• Smart Cluster
• Superpixels

Noise Reduction

• Median Filter
• Wiener Filter
• Non-Local Means

Blur

• Gaussian Blur
• Average Blur
• Sum Filter
• Grayscale Dilate
• Grayscale Erode

Edges

• StdDev Filter
• Entropy Filter
• Gradient Filter
• Highlight Lines

Texture

• Bright Texture
• Dark Texture
• Advanced Texture
• Pattern Mapping
• Symmetry Mapping
• Orthogonal Correlate
• *Cross-Correlate

Correction

• Sharpen
• FFT Filter
• Make FFT
• Apply Stored FFT Filter
• *Grayscale Interpolation
• *Grayscale Reconstruction