private void setVbx(int noChannels, reconPara reconPar)
{
vbxKSpace = new List <ViewBoxForm>();
vbxLowImage = new List <ViewBoxForm>();
for (int i = 0; i < imageShort.Length; i++)
{
vbxKSpace.Add(new ViewBoxForm());
vbxKSpace[i].Width = 512;
vbxKSpace[i].Height = 512;
vbxKSpace[i].Left = 5;
vbxKSpace[i].Top = i * (512 + 5);
//kSpace[i].readPixelData();
vbxLowImage.Add(new ViewBoxForm());
vbxLowImage[i].Width = 512;
vbxLowImage[i].Height = 512;
vbxLowImage[i].Left = 5 + 5 + 512;
vbxLowImage[i].Top = i * (512 + 5);
vbxLowImage[i].AccelModeScale = 3;
//vbxLowImage[i].Dock = DockStyle.Fill;
vbxLowImage[i].FovCol = 0d;
vbxLowImage[i].FovRow = 0d;
vbxLowImage[i].GrayLevelData = null;
vbxLowImage[i].Lev = ((short)(0));
vbxLowImage[i].Name = "vbxImage" + i.ToString();
vbxLowImage[i].NoCol = 0;
vbxLowImage[i].NoRow = 0;
vbxLowImage[i].Pannable = false;
vbxLowImage[i].PixelData = null;
vbxLowImage[i].SampleRect = new System.Drawing.Rectangle(-161, -205, 322, 410);
vbxLowImage[i].ShowPixelValue = false;
vbxLowImage[i].ShowStatistics = false;
vbxLowImage[i].Size = new System.Drawing.Size(512, 512);
vbxLowImage[i].TabIndex = 0;
vbxLowImage[i].PixelValueColor = Color.Blue;
vbxLowImage[i].TabStop = false;
vbxLowImage[i].Win = ((short)(1));
vbxLowImage[i].Zoomable = false;
//vbxLowImage[i].SizeChanged += new System.EventHandler(this.vbxImage_SizeChanged);
//vbxLowImage[i].VisibleChanged += new System.EventHandler(this.vbxImage_VisibleChanged);
//vbxLowImage[i].Click += new System.EventHandler(this.vbxImage_Click);
//vbxLowImage[i].Paint += new System.Windows.Forms.PaintEventHandler(this.vbxImage_Paint);
//vbxLowImage[i].Resize += new System.EventHandler(vbxImage_Resize);
//vbxLowImage[i].MouseUp += new MouseEventHandler(this.vbxImage_MouseUp);
//vbxLowImage[i].ImageView.MouseDown += new MouseEventHandler(this.vbxImage_MouseDown);
//vbxLowImage[i].OnWinLvlChangedByUI += OnWinLvlChanged;
//vbxLowImage[i].OnPanPositionChangedByUI += OnPanPosChanged;
//vbxLowImage[i].OnZoomFactorChangedByUI += OnZoomFactorChanged;
vbxLowImage[i].NoRow = reconPar.noEchoes * reconPar.noScans;
vbxLowImage[i].NoCol = reconPar.noSamples;
vbxLowImage[i].ColSpacing = reconPar.colSpacing;
vbxLowImage[i].RowSpacing = reconPar.rowSpacing;
float rowScale = (float)vbxLowImage[i].Height / vbxLowImage[i].RowSpacing / (vbxLowImage[i].NoRow - 1);
float colScale = (float)vbxLowImage[i].Width / vbxLowImage[i].ColSpacing / (vbxLowImage[i].NoCol - 1);
vbxLowImage[i].ZoomFactor = (rowScale > colScale) ? rowScale : colScale;
}
}
private reconPara getReconPara(string fileName, reconParaFrom frm)
{
using (FileStream fs = new FileStream(fileName, FileMode.Open))
{
reconPara rp = new reconPara();
rp.effectiveEcho = 1;
rp.noSlices = 1;
rp.noScans = 1;
rp.noAverages = 1;
rp.noEchoes = 1;
rp.noSamples = 1;
rp.colSpacing = 1;
rp.rowSpacing = 1;
rp.po = enumPhaseOrder.DownUpDownUp;
if (frm == reconParaFrom.fromRawData)
{
//从原始数据提取重建参数
byte[] buf = new byte[64 * 1024];
fs.Read(buf, 0, buf.Length);
string str = System.Text.Encoding.ASCII.GetString(buf);
str = str.Remove(str.IndexOf("PARAMEND_V2"));
string[] lines = str.Split('\n');
double fovPhase = 0;
double fovRead = 0;
for (int i = 2; i < lines.Length; i++)
{
if (lines[i].Contains("noScans"))
{
rp.noScans = (int)double.Parse(lines[i].Remove(0, lines[i].IndexOf(',') + 1).Trim());
}
else if (lines[i].Contains("noEchoes"))
{
rp.noEchoes = (int)double.Parse(lines[i].Remove(0, lines[i].IndexOf(',') + 1).Trim());
}
else if (lines[i].Contains("noSamples"))
{
rp.noSamples = (int)double.Parse(lines[i].Remove(0, lines[i].IndexOf(',') + 1).Trim());
}
else if (lines[i].Contains("noAverages"))
{
rp.noAverages = (int)double.Parse(lines[i].Remove(0, lines[i].IndexOf(',') + 1).Trim());
}
else if (lines[i].Contains("noSlices"))
{
rp.noSlices = (int)double.Parse(lines[i].Remove(0, lines[i].IndexOf(',') + 1).Trim());
}
else if (lines[i].Contains("effectiveEcho"))
{
rp.effectiveEcho = (int)double.Parse(lines[i].Remove(0, lines[i].IndexOf(',') + 1).Trim());
}
else if (lines[i].Contains("fovPhase"))
{
fovPhase = double.Parse(lines[i].Remove(0, lines[i].IndexOf(',') + 1).Trim());
}
else if (lines[i].Contains("fovRead"))
{
fovRead = double.Parse(lines[i].Remove(0, lines[i].IndexOf(',') + 1).Trim());
}
if (fovPhase != 0 && fovRead != 0)
{
rp.colSpacing = (float)fovRead / rp.noSamples;
rp.rowSpacing = (float)fovPhase / rp.noScans / rp.noEchoes;
}
}
return(rp);
}
}
return(new reconPara());
}
private int[][][] openRawData(string[] fileName, reconPara para, int[] customPO, out int maxData, out int minData)
{
maxData = int.MinValue;
minData = int.MaxValue;
if (para.noEchoes > 1 && para.po == enumPhaseOrder.UserCustom)
{
if (customPO == null || customPO.Length != para.noEchoes * para.noScans)
{
MessageBox.Show("wrong custom phase order array length!");
return(null);
}
}
int noChannels = fileName.Length;
int[][][] tmpRawData = new int[noChannels][][];
for (int i = 0; i < noChannels; i++)
{
tmpRawData[i] = new Int32[para.noSlices][];
for (int j = 0; j < para.noSlices; j++)
{
tmpRawData[i][j] = new int[2 * para.noScans * para.noEchoes * para.noSamples];
}
}
for (int ch = 0; ch < fileName.Length; ch++)
{
using (FileStream fs = new FileStream(fileName[ch], FileMode.Open))
{
int noCData = para.noSlices * para.noScans * para.noEchoes * para.noSamples;
byte[] buf = new byte[2 * 4 * noCData];
fs.Seek(64 * 1024 + 8 + 256, SeekOrigin.Begin);
int tmpLen = fs.Read(buf, 0, buf.Length);
for (int scan = 0; scan < para.noScans; scan++)
{
for (int slice = 0; slice < para.noSlices; slice++)
{
for (int echo = 0; echo < para.noEchoes; echo++)
{
for (int sample = 0; sample < 2 * para.noSamples; sample++)
{
int posRawData = scan * para.noEchoes * 2 * para.noSamples + echo * 2 * para.noSamples + sample;
//channelRawData[slice][posRawData] = swap4Bytes(buf, 4 * (posRawData + slice * 2 * para.noEchoes * para.noSamples));
//int posRawData = scan * para.noEchoes * 2 * para.noSamples*para.noSlices + echo * 2 * para.noSamples + sample;
//channelRawData[slice][posRawData] = swap4Bytes(buf, 4 * (posRawData + slice * 2 * para.noEchoes * para.noSamples));
tmpRawData[ch][slice][posRawData] = swap4Bytes(buf, 4 * (sample + echo * 2 * para.noSamples + slice * 2 * para.noEchoes * para.noSamples + 2 * scan * para.noSlices * para.noEchoes * para.noSamples));
}
}
}
}
//多回波重排
if (para.noEchoes > 1)
{
int[] phaseOrder = new int[para.noEchoes * para.noScans];
if (para.po == enumPhaseOrder.UpDownUpDown)
{
for (int i = 0; i < para.noScans; i++)
{
for (int j = 0; j < para.noEchoes; j++)
{
phaseOrder[i * para.noEchoes + j] = -j * para.noScans - i + (para.effectiveEcho - 1) * para.noScans + para.noScans / 2 + (para.noScans * para.noEchoes) / 2;
}
}
}
else if (para.po == enumPhaseOrder.UpDownDownUp)
{
for (int i = 0; i < para.noScans; i++)
{
for (int j = 0; j < para.noEchoes; j++)
{
phaseOrder[i * para.noEchoes + j] = j * para.noScans - i + (para.effectiveEcho - 1) * para.noScans + para.noScans / 2 + (para.noScans * para.noEchoes) / 2;
}
}
}
else if (para.po == enumPhaseOrder.DownUpUpDown)
{
for (int i = 0; i < para.noScans; i++)
{
for (int j = 0; j < para.noEchoes; j++)
{
phaseOrder[i * para.noEchoes + j] = -j * para.noScans + i + (para.effectiveEcho - 1) * para.noScans - para.noScans / 2 + (para.noScans * para.noEchoes) / 2;
}
}
}
else if (para.po == enumPhaseOrder.DownUpDownUp)
{
for (int i = 0; i < para.noScans; i++)
{
for (int j = 0; j < para.noEchoes; j++)
{
phaseOrder[i * para.noEchoes + j] = j * para.noScans + i - (para.effectiveEcho - 1) * para.noScans - para.noScans / 2 + (para.noScans * para.noEchoes) / 2;
}
}
}
else if (para.po == enumPhaseOrder.UserCustom)
{
}
else
{
MessageBox.Show("unrecongnized phse order!");
return(null);
}
for (int i = 0; i < phaseOrder.Length; i++)
{
if (phaseOrder[i] < 0)
{
phaseOrder[i] = phaseOrder[i] + para.noScans * para.noEchoes;
}
else if (phaseOrder[i] >= para.noScans * para.noEchoes)
{
phaseOrder[i] = phaseOrder[i] - para.noScans * para.noEchoes;
}
}
//k空间重排
int[] tmpRawData1 = new int[2 * para.noScans * para.noEchoes * para.noSamples];
int tmpInt;
for (int slice = 0; slice < para.noSlices; slice++)
{
for (int i = 0; i < tmpRawData1.Length; i++)
{
tmpInt = phaseOrder[i / (2 * para.noSamples)];
tmpRawData1[tmpInt * 2 * para.noSamples + i % (2 * para.noSamples)] = tmpRawData[ch][slice][i];
}
tmpRawData[ch][slice] = tmpRawData1;
}
}
}
}
//查找最大最小值
for (int i = 0; i < tmpRawData.Length; i++)
{
for (int j = 0; j < tmpRawData[0].Length; j++)
{
for (int k = 0; k < tmpRawData[0][0].Length; k++)
{
if (tmpRawData[i][j][k] > maxData)
{
maxData = tmpRawData[i][j][k];
}
if (tmpRawData[i][j][k] < minData)
{
minData = tmpRawData[i][j][k];
}
}
}
}
return(tmpRawData);
}
private void btnOpenImage_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.InitialDirectory = defaultRawDataPath;
ofd.Multiselect = true;
ofd.Filter = rawDataFilter;
if (ofd.ShowDialog() == DialogResult.OK)
{
//clearVbx();
Settings.Default.defaultRawDataPath = Path.GetDirectoryName(ofd.FileName);
Settings.Default.Save();
defaultRawDataPath = Settings.Default.defaultRawDataPath;
//检查文件是否属于同一次扫描
rawDataFileName = ofd.FileNames;
if (rawDataFileName.Length > 1)
{
string s = Regex.Replace(rawDataFileName[0], "_ch[0-9]*_", "");
for (int i = 1; i < rawDataFileName.Length; i++)
{
if (s != Regex.Replace(rawDataFileName[i], "_ch[0-9]*_", ""))
{
MessageBox.Show("not in same scan!");
return;
}
}
}
reconPar = getReconPara(ofd.FileNames[0], reconParaFrom.fromRawData);
imagePar.noCol = reconPar.noSamples;
imagePar.noRow = reconPar.noScans * reconPar.noEchoes;
imagePar.colSpacing = reconPar.colSpacing;
imagePar.rowSpacing = reconPar.rowSpacing;
imagePar.imageFileName = Regex.Replace(rawDataFileName[0], "_ch[0-9]*_", "_").Replace(".raw", "");
//FileInfo[] fileInfoArray = new DirectoryInfo(Path.GetDirectoryName(ofd.FileNames[0])).GetFiles(ofd.SafeFileName.Replace("_ch1_","_ch*_"));
acqChannels = ofd.FileNames.Length;
//初始化k空间数据
if (rawData != null)
{
rawData = null;
}
rawData = new int[acqChannels][][];
for (int i = 0; i < acqChannels; i++)
{
rawData[i] = new int[reconPar.noSlices][];
for (int j = 0; j < reconPar.noSlices; j++)
{
rawData[i][j] = new int[2 * reconPar.noScans * reconPar.noEchoes * reconPar.noSamples];
}
}
imageAbsSOS = new short[reconPar.noSlices][];
for (int i = 0; i < reconPar.noSlices; i++)
{
imageAbsSOS[i] = new short[reconPar.noScans * reconPar.noEchoes * reconPar.noSamples];
}
//初始化图像数据
int noCData = reconPar.noSlices * reconPar.noScans * reconPar.noEchoes * reconPar.noSamples;
//for (int i = 0; i < acqChannels; i++)
//{
//读取通道i的数据
rawData = openRawData(ofd.FileNames, reconPar, null, out rawDataMax, out rawDataMin);
//MessageBox.Show("Max:" + RawDataMax.ToString() + ", Min:" + RawDataMin.ToString());
//getRawData(fileInfoArray[i].FullName, para);
//}
//for (int ch = 0; ch < rawData.Length; ch++)
//{
// for (int slice = 0; slice < rawData[0].Length; slice++)
// {
// using (StreamWriter sw = new StreamWriter(@"D:\wuduan\Engineering\MRI_Spectrometer\EDA\Matlab\mri_data\20170802_anke\rawData_ch" + ch.ToString() + "_slice" + slice.ToString() + ".txt"))
// {
// for (int i = 0; i < rawData[0][0].Length; i++)
// {
// sw.WriteLine(rawData[ch][slice][i].ToString());
// }
// }
// }
//}
//重建图像
imageShort = imageRecon(rawData);
//imageShort = new short[imageDbl.Length][][];
//for (int i = 0; i < imageDbl.Length; i++)
//{
// imageShort[i] = new short[imageDbl[0].Length][];
// for (int j = 0; j < imageDbl[0].Length; j++)
// {
// imageShort[i][j] = new short[imageDbl[0][0].Length];
// }
//}
//for (int i = 0; i < imageDbl.Length; i++)
//{
// for (int j = 0; j < imageDbl[0].Length; j++)
// {
// for (int k = 0; k < imageDbl[0][0].Length; k++)
// {
// imageShort[i][j][k] = (short)(imageDbl[i][j][k] * factor);
// }
// }
//}
//imageDbl = null;
imageAbsSOS = ImageUtils.getSOS(imageShort);
//显示图像
//for (int slice = firstImageDisplay; slice < firstImageDisplay+vbxImage.Count; slice++)
//{
//if (slice < vbxImage.Count)
//{
// imageShow(imageAbsSOS[slice], vbxImage[slice ], reconPar.noScans * reconPar.noEchoes, reconPar.noSamples);
// //vbxImage[slice].Image.Save(@"g:\t\bmp_"+slice.ToString()+".bmp");
//}
//imageShow(imageAbsSOS[slice], vbxImage[slice], reconPar.noScans * reconPar.noEchoes, reconPar.noSamples);
imageShow();
//}
}
setImageIcon(reconPar.noSlices);
}
public FormLowLevelImageViewer(int[][][] rawData, short[][][] imageShort, int focusedImage, reconPara par)
{
InitializeComponent();
this.rawData = rawData;
this.imageShort = imageShort;
this.focusedImage = focusedImage;
noChannels = rawData.Length;
setVbx(noChannels, par);
//pnlLowLevelImage.Controls.AddRange(vbxKSpace.ToArray());
for (int i = 0; i < noChannels; i++)
{
vbxLowImage[i].readPixelData(ImageUtils.ImageFormatTranslate(imageShort[i][focusedImage], enumImgFormat.AbsLinear));
}
pnlLowLevelImage.Controls.AddRange(vbxLowImage.ToArray());
if (rbtImageAbs.Checked)
{
}
}
