ImageGear for .NET
InverseDCTToImage Method
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ImageGear21.Processing.Advanced Assembly > ImageGear.FreqIP Namespace > ImGearFrequencyProcessing Class : InverseDCTToImage Method




value
An ImGearComplexObject class object to be transformed.

Glossary Item Box

Computes the inverse Discrete Cosine Transform (IDCT) of the input data.

Syntax

 
Visual Basic
C#
Managed Extensions for C++
C++/CLI
 
 

Parameters

value
An ImGearComplexObject class object to be transformed.

Return Value

ImageGear.Core.ImGearPage class.

Remarks

This method computes the inverse Discrete Cosine Transform (IDCT) of the input data. The difference between this method and InverseDCT method is that this one returns an ImageGear.Core.ImGearPage class as the result, using the default conversion type ImGearCoObjConvType.REAL.

Before using this method, like other frequency processing methods, InitializeFFTW method must be called first to initialize the support for FFTW.

Can be applied only to valid ImGearComplexObject class object.

ImGearFrequencyProcessingVerifier.CanApplyInverseDCTToImage method can be called to check whether the operation can be performed or not.

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