Removes fixed point camera noise from the image using black image. Ideally the black image taken from camera with closed shutter should be all 0s. Any value above that is considered a black noise and can be removed via the formula: outputImage[i] = max(0, inputImage[i] - blackImage[i]);
Function
CuviStatus fpn(CuviImage &output,
const CuviImage &input,
const CuviImage &blackImage)
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Parameters
| Name
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Type
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Description
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| output
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CuviImage&
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Resultant Image
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| input
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CuviImage&
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Source Image
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| blackImage
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CuviImage&
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Black image from camera with closed shutter
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Image Type Support
| output
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input
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blackImage
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| 8uC1
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8uC1
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8uC1
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| 16uC1
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16uC1
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16uC1
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| 8uC3
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8uC3
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8uC3
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| 16uC3
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16uC3
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16uC3
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Example
CuviImage input = cuvi::io::loadImage(path);
CuviImage blackImage= cuvi::io::loadImage(path);
CuviImage output;
//fpn
cuvi::colorOperations::fpn(output, input, blackImage);
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