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資源簡(jiǎn)介

本資源是將DICOM格式的CT圖用VTK讀取,轉(zhuǎn)給OpenCV處理并可視化。當(dāng)中的操作比普通的圖片顯示要更困難(可看我的博文了解)。本程序只要配置好OpenCV和VTK環(huán)境即可成功運(yùn)行,使用簡(jiǎn)單方便。

資源截圖

代碼片段和文件信息

#include?
#include???//?當(dāng)中含有_finddata_t
#include?
#include?

#include?
#include?
#include?

#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?

using?namespace?std;
using?namespace?cv;

//?讀入一個(gè)CT圖,返回它的像素矩陣,使用OpenCV的Mat類(lèi)型返回
void?dicomread(string?inputFilename?Mat?&imgvtkSmartPointer?&reader)
{
????img.create(512512CV_32SC1);?

vtkSmartPointer?imageCast?=?
vtkSmartPointer::New();

????reader->SetFileName(inputFilename.c_str());

????reader->Update();

imageCast->SetInputConnection(reader->GetOutputPort());
imageCast->SetOutputScalarTypeToInt();
imageCast->Update();

//?圖像的基本信息
int?dims[3];
reader->GetOutput()->GetDimensions(dims);

//圖像的像素值
for(int?k=0;k {
????for(int?j=0;j {
????for(int?i=0;i {
????int*?pixel?=?
(int*)(imageCast->GetOutput()->GetScalarPointer(ijk));?//?第i列第j行的像素值
img.at(ji)?=?int(*pixel);?//?第j行第i列的像素值
}
}
}
}

void?showdicom(Mat?I)
{
double?maxx=0minn=0;
????double?*max?=?&maxx;
double?*min?=?&minn;
I.convertTo(ICV_64FC1);
minMaxIdx(Iminmax);
for(int?i=0;i {
????for(int?j=0;j {
????I.at(ij)?=?255*(I.at(ij)-minn)*1/(maxx-minn);
}
}

minMaxIdx(Iminmax);
for(int?i=0;i {
for(int?j=0;j I.at(ij)?=?(I.at(ij)-minn)*1/(maxx-minn);
}
//cout?< imshow(“DICOM?Image“I);
waitKey(0);
}

int?main()
{
????string?filename?=?“D:\\CT\\CT000895“;
????Mat?I1G1;
????vtkSmartPointer?reader?=?
vtkSmartPointer::New();
????//?讀入dicom圖
dicomread(filenameI1reader);
flip(I1I10);
//cout?< showdicom(I1);
}

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????文件??????526948??2011-09-03?01:04??DicomReader\CT000895
?????文件????????2257??2017-06-21?10:55??DicomReader\dicomreader.cpp
?????目錄???????????0??2017-06-21?10:56??DicomReader\

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