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| ===Image Type Support=== | | ===Image Type Support=== |
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| | 8uC3 | | | 8uC3 |
| | 8uC3 x 4 | | | 8uC3 x 4 |
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Revision as of 18:27, 19 October 2022
Performs one-level wavelet decomposition of an image using haar basis. The four resultant images are half the width and half the height of the original image
Function
CuviStatus haarFwd(const CuviImage& src,
CuviImage& dstApprox,
CuviImage& dstDetailX,
CuviImage& dstDetailY,
CuviImage& dstDetailXY,
const CuviStream& stream = CuviStream());
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Parameters
Name
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Type
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Description
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src
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const CuviImage&
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Input image
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dstApprox
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CuviImage&
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Output approximation image
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dstDetailX
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CuviImage&
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Output horizontal detail image
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dstDetailY
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CuviImage&
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Output vertical detail image
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dstDetailXY
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CuviImage&
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Output diagonal detail image
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stream
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const CuviStream&
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GPU stream ID for execution
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Image Type Support
Input
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Output
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8uC1
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8uC1 x 4
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8uC3
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8uC3 x 4
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Sample
Example
//Input Image
CuviImage gimg = cuvi::io::loadImage(path);
//Four output images
CuviImage a, x, y, xy;
//compute one-level haar wavelet decomposition
cuvi::imageTransforms::haarFwd(gimg,a,x,y,xy);
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