图像处理之Hobject与Mat互转

Hobject是Halcon中的图像格式，Mat是OpenCV中的图像格式，以下是二者的转换

using namespace cv;
using namespace Halcon;//Hobject转Mat
Mat Hobject2Mat(Hobject Hobj)
{HTuple htCh = HTuple();char* cType="";Mat Image;convert_image_type(Hobj, &Hobj, "byte");count_channels(Hobj, &htCh);Hlong wid;Hlong hgt;int W, H;if (htCh[0].I() == 1){Hlong ptr;get_image_pointer1(Hobj, &ptr, cType, &wid, &hgt);W = wid;H = hgt;Image.create(H, W, CV_8UC1);int64 ptrImage;uchar* pdata = (uchar*)ptr;memcpy(Image.data, pdata, W*H);}else if (htCh[0].I() == 3){unsigned char *ptrR = NULL, *ptrG = NULL, *ptrB = NULL;unsigned char* data = NULL;char imgType[128] = { 0 };get_image_pointer3(Hobj, (Hlong*)&ptrR, (Hlong*)&ptrG, (Hlong*)&ptrB, imgType, &wid, &hgt);W = wid;H = hgt;Image.create(H, W, CV_8UC3);vector<Mat> vecM(3);vecM[2].create(H, W, CV_8UC1);vecM[1].create(H, W, CV_8UC1);vecM[0].create(H, W, CV_8UC1);uchar* pr = (uchar*)ptrR;uchar* pg = (uchar*)ptrG;uchar* pb = (uchar*)ptrB;memcpy(vecM[2].data, pr, W*H);memcpy(vecM[1].data, pg, W*H);memcpy(vecM[0].data, pb, W*H);merge(vecM, Image);}return Image;
}//Mat转Hobject
Hobject Mat2Hobject(Mat& image)
{Hobject Hobj = Hobject();int hgt = image.rows;int wid = image.cols;int i;if (image.type() == CV_8UC3){vector<Mat> imgchannel;split(image, imgchannel);Mat imgB = imgchannel[0];Mat imgG = imgchannel[1];Mat imgR = imgchannel[2];uchar* dataR = new uchar[hgt*wid];uchar* dataG = new uchar[hgt*wid];uchar* dataB = new uchar[hgt*wid];for (i = 0; i < hgt; i++){memcpy(dataR + wid*i, imgR.data + imgR.step*i, wid);memcpy(dataG + wid*i, imgG.data + imgG.step*i, wid);memcpy(dataB + wid*i, imgB.data + imgB.step*i, wid);}gen_image3(&Hobj, "byte", wid, hgt, (Hlong)dataR, (Hlong)dataG, (Hlong)dataB);delete[]dataR;delete[]dataG;delete[]dataB;dataR = NULL;dataG = NULL;dataB = NULL;}else if (image.type() == CV_8UC1){uchar* data = new uchar[hgt*wid];for (i = 0; i < hgt; i++)memcpy(data + wid*i, image.data + image.step*i, wid);gen_image1(&Hobj, "byte", wid, hgt, (Hlong)data);delete[] data;data = NULL;}return Hobj;
}

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图像处理之Hobject与Mat互转

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