Class Tonemap

Base class for tonemapping algorithms - tools that are used to map HDR image to 8-bit range.

Inheritance
System.Object
DisposableObject
DisposableCvObject
Algorithm
Tonemap
TonemapDrago
TonemapMantiuk
TonemapReinhard
TonemapDurand
Implements
Inherited Members
Namespace: OpenCvSharp
Assembly: OpenCvSharp.dll
Syntax
public class Tonemap : Algorithm, ICvPtrHolder

Constructors

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Tonemap(IntPtr)

Constructor used by subclasses

Declaration
protected Tonemap(IntPtr ptr)
Parameters
Type Name Description
IntPtr ptr

Properties

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Gamma

Gets or sets positive value for gamma correction. Gamma value of 1.0 implies no correction, gamma equal to 2.2f is suitable for most displays. Generally gamma > 1 brightens the image and gamma < 1 darkens it.

Declaration
public float Gamma { get; set; }
Property Value
Type Description
System.Single

Methods

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Create(Single)

Creates simple linear mapper with gamma correction

Declaration
public static Tonemap Create(float gamma = 1F)
Parameters
Type Name Description
System.Single gamma

positive value for gamma correction. Gamma value of 1.0 implies no correction, gamma equal to 2.2f is suitable for most displays. Generally gamma > 1 brightens the image and gamma < 1 darkens it.
Returns
Type Description
Tonemap
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DisposeManaged()

Releases managed resources

Declaration
protected override void DisposeManaged()
Overrides
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Process(InputArray, OutputArray)

Tonemaps image

Declaration
public virtual void Process(InputArray src, OutputArray dst)
Parameters
Type Name Description
InputArray src

source image - CV_32FC3 Mat (float 32 bits 3 channels)
OutputArray dst

destination image - CV_32FC3 Mat with values in [0, 1] range

Implements