Table of Contents

Examples of monadic operations

These images are generated by the hw_monadic_ops_2.m script. They contain the image (either original or after application of the given operation), histogram of intensities of the shown image, the CDF and a lookup table derived from the transformation operation.

Original image

Original image

Negative

Negative image

Threshold (theta=0.5)

Thresholded image

Brightness (beta=-0.3)

Brightness adjusted image

Gamma correction (gamma=0.5)

Gamma corrected image

Contrast (c=2)

Contrast adjusted image

Non-linear contrast (alpha=0.7)

Non-linear contrast adjusted image

Logarithmic scale (scale=-0.5)

Log-scaled image

Quantization (q_levels=16)

Quantized image