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Code: Gray Level Transformation

Table of Contents

Introduction

Basic Image Processing tools. Gray Level Transformation such as Histogram Equalization, Histogram Stretching.

LenaDark.png

IIILena1Histeq.png

First Edition(c++): 2003/05. Last Modified: 2007/02.
Tag: Scientific ImagePocessing Histogram Equalization

Histogram

Histogram Equalization

>> I = imread('LenaDark.png');
>> X = uint8(cvHisteq(I));

LenaDark.png IIILena1Histeq.png

Histogram Streching

>> I = imread('LenaDark.png');
>> X = uint8(cvHistnorm(I, [0, 255]));

LenaDark.png

IIILena1Histstrech.png