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78 lines
1.9 KiB
C++
Executable File
78 lines
1.9 KiB
C++
Executable File
/**
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* Jingga
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*
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* @package Image
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* @copyright Dennis Eichhorn
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* @license OMS License 1.0
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* @version 1.0.0
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* @link https://jingga.app
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*/
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#ifndef IMAGE_KERNEL_H
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#define IMAGE_KERNEL_H
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#include <stdio.h>
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#include <opencv2/opencv.hpp>
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#include "ImageUtils.h"
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#include "../Utils/MathUtils.h"
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namespace Image::Kernel
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{
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const float KERNEL_RIDGE_1[3][3] = {
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{0.0, -1.0, 0.0},
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{-1.0, 4.0, -1.0},
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{0.0, -1.0, 0.0}
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};
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const float KERNEL_RIDGE_2[3][3] = {
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{-1.0, -1.0, -1.0},
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{-1.0, 8.0, -1.0},
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{-1.0, -1.0, -1.0}
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};
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const float KERNEL_SHARPEN[3][3] = {
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{0.0, -1.0, 0.0},
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{-1.0, 5.0, -1.0},
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{0.0, -1.0, 0.0}
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};
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const float KERNEL_BOX_BLUR[3][3] = {
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{1.0 / 9.0, 1.0 / 9.0, 1.0 / 9.0},
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{1.0 / 9.0, 1.0 / 9.0, 1.0 / 9.0},
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{1.0 / 9.0, 1.0 / 9.0, 1.0 / 9.0}
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};
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const float KERNEL_GAUSSUAN_BLUR_3[3][3] = {
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{1.0 / 16.0, 2.0 / 16.0, 1.0 / 16.0},
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{2.0 / 16.0, 4.0 / 16.0, 2.0 / 16.0},
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{1.0 / 16.0, 2.0 / 16.0, 1.0 / 16.0}
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};
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const float KERNEL_EMBOSS[3][3] = {
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{-2.0, -1.0, 0.0},
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{-1.0, 1.0, 1.0},
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{0.0, 1.0, 2.0}
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};
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const float KERNEL_UNSHARP_MASKING[5][5] = {
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{-1.0 / 256.0, -4.0 / 256.0, -6.0 / 256.0, -4.0 / 256.0, -1.0 / 256.0},
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{-4.0 / 256.0, -16.0 / 256.0, -24.0 / 256.0, -16.0 / 256.0, -4.0 / 256.0},
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{-6.0 / 256.0, -24.0 / 256.0, 476.0 / 256.0, -24.0 / 256.0, -6.0 / 256.0},
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{-4.0 / 256.0, -16.0 / 256.0, -24.0 / 256.0, -16.0 / 256.0, -4.0 / 256.0},
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{-1.0 / 256.0, -4.0 / 256.0, -6.0 / 256.0, -4.0 / 256.0, -1.0 / 256.0},
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};
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inline
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cv::Mat convolve(cv::Mat in, const float kernel[][3])
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{
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cv::Size dim = in.size();
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cv::Mat out(in.size(), in.type());
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cv::Mat mKernel(3, 3, CV_32F, (float *) kernel);
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cv::filter2D(in, out, -1, mKernel);
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return out;
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}
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}
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#endif |