corealgmatlab.cpp

/*  Copyright 2017 onlyliu(997737609@qq.com).                             */
/*                                                                        */
/*  part of source code come from https://github.com/qibao77/cornerDetect */
/*  Automatic Camera and Range Sensor Calibration using a single Shot     */
/*  this project realize the papar: Automatic Camera and Range Sensor     */
/*  Calibration using a single Shot                                       */

#include "corealgmatlab.h"

using namespace cv;

corealgmatlab::corealgmatlab()
{
}


corealgmatlab::~corealgmatlab()
{
}
Mat corealgmatlab::conv2(const Mat &img, const Mat& ikernel, ConvolutionType type)
{
	Mat dest;
	Mat kernel;
	flip(ikernel, kernel, -1);
	Mat source = img;
	if (CONVOLUTION_FULL == type)
	{
		source = Mat();
		const int additionalRows = kernel.rows - 1, additionalCols = kernel.cols - 1;
		copyMakeBorder(img, source, (additionalRows + 1) / 2, additionalRows / 2, (additionalCols + 1) / 2, additionalCols / 2, BORDER_CONSTANT, Scalar(0));
	}
	Point anchor(kernel.cols - kernel.cols / 2 - 1, kernel.rows - kernel.rows / 2 - 1);
	int borderMode = BORDER_CONSTANT;
	filter2D(source, dest, img.depth(), kernel, anchor, 0, borderMode);

	if (CONVOLUTION_VALID == type)
	{
		dest = dest.colRange((kernel.cols - 1) / 2, dest.cols - kernel.cols / 2).rowRange((kernel.rows - 1) / 2, dest.rows - kernel.rows / 2);
	}
	return dest;
}