实例介绍
【实例简介】
自己整理的一个关于ＤＴＩｓｔｕｄｉｏ的处理流程
C Normal C Oblique Coronal 彐卩2习 圆画回 1001. 器 CD Visualization 0pc图一 两 彐 Ap吵 Defaul 2、A|R处埋 然后在mage血板 Image Processing区域近择 Automatic Image registration(AR),按下 图进行设置,然后点击OK,等图像配准完成后,在 Image面板的 Orthogonal Views区域的 文件下拉框中看到Air_开头的一系列文件,为校止后的DT图像文件,点击Save,将Air开 头的所有文件选中,选择 Raw data,保存为一个.dat文件。 Autematic Image Registration (AIR) Reference Dr standad image 30 Images lo be registered Encinal mages lst Selected images Create new mages after regstration Noise Levet 10 Optional Upper Bound o Linear Translormation Approach F Rigid Body(Rolation and Translation, 6 Parametets C Affine (Rotation Translatian Scaling and Shear, 12 parameters C Nearest neighbor better for bnary images o Tri-Lnear inteipola'ic Quantitative Measureing between Images[Cost Funcion) F Standad deriation of the rato image C Least-squared difference image C Cooled lost oquorsd dffeacncc mago v Save tansformation matrices as a text file File Name: AirMatic bet r Adjusting the crociente for the dffusion weighted images if apploople Acknowedgement this fundion partially nwopoated the sauce code of AIR fom http://bishopw.bniucaedu/air5/ Save Images As nage(s)you have mage(s)to be saved Ai1001mg·4 Air_ 1001. img Air_1001.img An_1001mng·3 Air- 1001. img Air_ 1001. img Air_1001. img-10 Air_1001. img Aan_1001mg-13 Air_1001. img Ai1001ma-10 Air1001mg·15 Image Fle Format F Raw Data C Analyze C NARD 3、张量解算以及FA,ADC等护散指标的计算 ①打廾Dπ I studio,File-> DTI Mapping,选择 Philips rec file格式,按 contiune o A、 Image Slices:填刚才上一部中所记住的数值+1 (因为整体数据是从0—3,此例中应为39) Slice orientation:选择片层来源: Axial Slice Sequencing:轴向前后(可在读img文件时观察) B、 End at:填刚才上一部中所记住的数值,此例中为38 C、 Gradient Table:将上面处理好的梯度数据复制过来 D、 Add a file中选中上·步保存的.dat文件,点击OK, DW-Image Parameters(Philips REC file) Image Dimension r Slices to be processed Image Sequence Image width: 256 Start From: 0 C All Slices Slice By slice Image Height: 256 End At:38 c Partial Slices c Gradient By Gradient Image Slices: 39 Gradient Table 0000 Hint: Slice Orientation 1:02160020886150381892 The grader defined as: # x,y z Coronal Axial C Sagittal 2044561041872707918542 Gradient间000 30635186077060059474 4050054901925390844026 means a BO image Shce Sequencing 50221230531170817873 3100.100.100wl exclud the image from C Inferior-Superior Superior-Inferior 6089194100791430445171 7016931605134290841262 tensor calculation 802639660440254-0858155 Voxel Size(mm) 905985240006920801075 Select a pre-defined gradient table Field of View- width Field of View-Height: 190 Philips REC Image File[s] Slice Thickness F: \c\131223\1312232\prodata 1001 Image. dat Pixel Size. Width 07422 Pixel Size· Height 07422 Add afie Remove Move Up Move Down Others(Optional) b_Value: 1000 r Swap Bytes Image Qaulity Flag File: < Back Cancel OK ②在 DtiMap面板的 Calculation区域选中 Tensor, Color Map etc.(计算ADC值选择 ADC-Map),根据图像选择噪声水平,点击OK,然后等 DTI Studio算元后在 Image面板的 Orthogonal view区域可看到计算出来的各种扩散属性文件。对于想要保存的文件,如FA Eigenvector-0, Color Map-0等可以分别进行Save(.dat格式),便于下一次查看和使用 DTI-Map Option Mask Image Get more Results C Create a mask--image based on the background noise level: 30 厂20FAmp IdCe (Dxx+Dyy+Dz2) C Select a mask-image 1001 mage. dat.0 r Geometrical index of the tensor ellipsoid (CL Cp and Cs) lethod Radial diffusivity( (Lamda- 1+ Lamda_ 2)/2) Standard Linear-Regression Save Results C Automatic outlier SLICE reiection if its relative_errot >3 2 To this Folder:F: \c\131223\ 131223-2\prodata\DTIMap C Automatic outlier PIXEL rejection Optional parameters v Tensor(Dxx, Dyy, Dzz, Dxy, DKz, D yz)>Tensor.dat C AIR for theory-original DWl pairs, teration_#2 Optional parameters v Eigen values( Lamda 0-2)-> Eigen'val0/1/2.dal Verty the result y Eigen vectors Nector 0-2)> EigerVec_0/1/2.dat v Create images of the DwI-Fitting y Fractional/Relative Anisotropic(FA/RA)map>FA/RA.dat v Create eror map between DWl-Fitting and the original v Color coded principal eigen vector(Color Map)> ColorMap.dat V TRACE if applicable.> Trace. dat Cancel OK Color Map-c-Primary Viewd LE File Edit View Window Help 日 nalr oticus 反侧回画回 M - rame aud w saola v Coronel Copy 30Vew lo Llpeoatd Inane Diocesan re Ic 33 4、纤维跟踪及可视化。 A第一种方法:基于前面步骤,在 DtiMap面板的 Fiber Tracking区域点击 Fiber Tracking, 然后进行参数设置,点击oK,就会进行基于全脑体素(FA>0.2)的纤维重建; Fiber-Tracking Parameters Start Tracking Flip eigen vector fRactional Anisotropy>0.2 Stop Tracking- f Fractonal Anisotropy 0.2 il Elect tuming- angle>45 厂 Zcomponent 第二种方法:如果上一步已保存FA和 Eigen Vector-0文件,可重新打开 DTI Studio, File-> Fiber-Tracking,选上FA-Map文件和 Principle Vector文件,并进行参数设置,点击OK 就会进行基于全脑体素(FA>0.2)的纤维重建。 Images Parameters(for Fiber-Tracking FAMap: F: ycl1312231131223-2\ prodata\DTIMap RA dat Principal Vector: E: yct1312231131223-2 prodata\D TIMap\Eiger/ec_O dat mage D mension Voxel Size(mm) Image width: 255 Field of View-Width: 190 Image Height:256 Field of View-Height: 190 Image Slices:39 39 Slice Thickness FA-map vector Shce Orientation C Coronal Axial C Sagittal Pixel Size- width 0.7422 Shce Sequencing Pixel Size-Heigh 07422 C Inferior-Superior Superior-Inferior Start Tracking fLip Eigen vector if Fractional Anisotropy >0.2 < Back component Slop Tracking Cancel if Fractional Anisotropy <0.2 Y 45 v Z-comp if Tract turning- angle B、通过任何一种方法,算完后右下角会出现 Fiber面板,。再此面板选择RO就可以 自动生成三维纤维追踪图。可以对特定纤维束进行显示和编辑,并可以对纤维属性进行统计 分析 聖 Dn- Studic-[ Color Map·0- Frimary View l File Edit View Window Hela 14“4》川俄%@ net I C None C A G Sclected 厂 Showers on aD image Muiple Vew ot 301 Ratom C Uee.dired Coa RCI. Staines Mostly recent Itil斗Fib4 (2251621(63434 ber Statis All Fibers Select Fibers Number of Fibers 56129 Number of Fibers Maximum Length M aximum Length 164 Minimum Length Minimum Length Average Length 23.2035 Average Length 56.5515 Maximum Length 211.5715 Maximum Length 211.5T15 Minimum Length 3.8338 Minimum Length 5.108 Average Length 30.1177 Average Length 76.28 of voxels that 86m of Voxels that 14465 149 Max. of Min. of Min. of Mean of 12.298 Mean#。f 14.8551 Image Statisties along the Select Fibers Image(s) you have Results ev. dat Max. of Ingval: 1.0000 olor a Min. of Ingval: 0. 1014 Mean of Ingal: 0. 6513 Std. of Ingval: 0. 1859 Statistics Profile 【实例截图】
【核心代码】
自己整理的一个关于ＤＴＩｓｔｕｄｉｏ的处理流程
C Normal C Oblique Coronal 彐卩2习 圆画回 1001. 器 CD Visualization 0pc图一 两 彐 Ap吵 Defaul 2、A|R处埋 然后在mage血板 Image Processing区域近择 Automatic Image registration(AR),按下 图进行设置,然后点击OK,等图像配准完成后,在 Image面板的 Orthogonal Views区域的 文件下拉框中看到Air_开头的一系列文件,为校止后的DT图像文件,点击Save,将Air开 头的所有文件选中,选择 Raw data,保存为一个.dat文件。 Autematic Image Registration (AIR) Reference Dr standad image 30 Images lo be registered Encinal mages lst Selected images Create new mages after regstration Noise Levet 10 Optional Upper Bound o Linear Translormation Approach F Rigid Body(Rolation and Translation, 6 Parametets C Affine (Rotation Translatian Scaling and Shear, 12 parameters C Nearest neighbor better for bnary images o Tri-Lnear inteipola'ic Quantitative Measureing between Images[Cost Funcion) F Standad deriation of the rato image C Least-squared difference image C Cooled lost oquorsd dffeacncc mago v Save tansformation matrices as a text file File Name: AirMatic bet r Adjusting the crociente for the dffusion weighted images if apploople Acknowedgement this fundion partially nwopoated the sauce code of AIR fom http://bishopw.bniucaedu/air5/ Save Images As nage(s)you have mage(s)to be saved Ai1001mg·4 Air_ 1001. img Air_1001.img An_1001mng·3 Air- 1001. img Air_ 1001. img Air_1001. img-10 Air_1001. img Aan_1001mg-13 Air_1001. img Ai1001ma-10 Air1001mg·15 Image Fle Format F Raw Data C Analyze C NARD 3、张量解算以及FA,ADC等护散指标的计算 ①打廾Dπ I studio,File-> DTI Mapping,选择 Philips rec file格式,按 contiune o A、 Image Slices:填刚才上一部中所记住的数值+1 (因为整体数据是从0—3,此例中应为39) Slice orientation:选择片层来源: Axial Slice Sequencing:轴向前后(可在读img文件时观察) B、 End at:填刚才上一部中所记住的数值,此例中为38 C、 Gradient Table:将上面处理好的梯度数据复制过来 D、 Add a file中选中上·步保存的.dat文件,点击OK, DW-Image Parameters(Philips REC file) Image Dimension r Slices to be processed Image Sequence Image width: 256 Start From: 0 C All Slices Slice By slice Image Height: 256 End At:38 c Partial Slices c Gradient By Gradient Image Slices: 39 Gradient Table 0000 Hint: Slice Orientation 1:02160020886150381892 The grader defined as: # x,y z Coronal Axial C Sagittal 2044561041872707918542 Gradient间000 30635186077060059474 4050054901925390844026 means a BO image Shce Sequencing 50221230531170817873 3100.100.100wl exclud the image from C Inferior-Superior Superior-Inferior 6089194100791430445171 7016931605134290841262 tensor calculation 802639660440254-0858155 Voxel Size(mm) 905985240006920801075 Select a pre-defined gradient table Field of View- width Field of View-Height: 190 Philips REC Image File[s] Slice Thickness F: \c\131223\1312232\prodata 1001 Image. dat Pixel Size. Width 07422 Pixel Size· Height 07422 Add afie Remove Move Up Move Down Others(Optional) b_Value: 1000 r Swap Bytes Image Qaulity Flag File: < Back Cancel OK ②在 DtiMap面板的 Calculation区域选中 Tensor, Color Map etc.(计算ADC值选择 ADC-Map),根据图像选择噪声水平,点击OK,然后等 DTI Studio算元后在 Image面板的 Orthogonal view区域可看到计算出来的各种扩散属性文件。对于想要保存的文件,如FA Eigenvector-0, Color Map-0等可以分别进行Save(.dat格式),便于下一次查看和使用 DTI-Map Option Mask Image Get more Results C Create a mask--image based on the background noise level: 30 厂20FAmp IdCe (Dxx+Dyy+Dz2) C Select a mask-image 1001 mage. dat.0 r Geometrical index of the tensor ellipsoid (CL Cp and Cs) lethod Radial diffusivity( (Lamda- 1+ Lamda_ 2)/2) Standard Linear-Regression Save Results C Automatic outlier SLICE reiection if its relative_errot >3 2 To this Folder:F: \c\131223\ 131223-2\prodata\DTIMap C Automatic outlier PIXEL rejection Optional parameters v Tensor(Dxx, Dyy, Dzz, Dxy, DKz, D yz)>Tensor.dat C AIR for theory-original DWl pairs, teration_#2 Optional parameters v Eigen values( Lamda 0-2)-> Eigen'val0/1/2.dal Verty the result y Eigen vectors Nector 0-2)> EigerVec_0/1/2.dat v Create images of the DwI-Fitting y Fractional/Relative Anisotropic(FA/RA)map>FA/RA.dat v Create eror map between DWl-Fitting and the original v Color coded principal eigen vector(Color Map)> ColorMap.dat V TRACE if applicable.> Trace. dat Cancel OK Color Map-c-Primary Viewd LE File Edit View Window Help 日 nalr oticus 反侧回画回 M - rame aud w saola v Coronel Copy 30Vew lo Llpeoatd Inane Diocesan re Ic 33 4、纤维跟踪及可视化。 A第一种方法:基于前面步骤,在 DtiMap面板的 Fiber Tracking区域点击 Fiber Tracking, 然后进行参数设置,点击oK,就会进行基于全脑体素(FA>0.2)的纤维重建; Fiber-Tracking Parameters Start Tracking Flip eigen vector fRactional Anisotropy>0.2 Stop Tracking- f Fractonal Anisotropy 0.2 il Elect tuming- angle>45 厂 Zcomponent 第二种方法:如果上一步已保存FA和 Eigen Vector-0文件,可重新打开 DTI Studio, File-> Fiber-Tracking,选上FA-Map文件和 Principle Vector文件,并进行参数设置,点击OK 就会进行基于全脑体素(FA>0.2)的纤维重建。 Images Parameters(for Fiber-Tracking FAMap: F: ycl1312231131223-2\ prodata\DTIMap RA dat Principal Vector: E: yct1312231131223-2 prodata\D TIMap\Eiger/ec_O dat mage D mension Voxel Size(mm) Image width: 255 Field of View-Width: 190 Image Height:256 Field of View-Height: 190 Image Slices:39 39 Slice Thickness FA-map vector Shce Orientation C Coronal Axial C Sagittal Pixel Size- width 0.7422 Shce Sequencing Pixel Size-Heigh 07422 C Inferior-Superior Superior-Inferior Start Tracking fLip Eigen vector if Fractional Anisotropy >0.2 < Back component Slop Tracking Cancel if Fractional Anisotropy <0.2 Y 45 v Z-comp if Tract turning- angle B、通过任何一种方法,算完后右下角会出现 Fiber面板,。再此面板选择RO就可以 自动生成三维纤维追踪图。可以对特定纤维束进行显示和编辑,并可以对纤维属性进行统计 分析 聖 Dn- Studic-[ Color Map·0- Frimary View l File Edit View Window Hela 14“4》川俄%@ net I C None C A G Sclected 厂 Showers on aD image Muiple Vew ot 301 Ratom C Uee.dired Coa RCI. Staines Mostly recent Itil斗Fib4 (2251621(63434 ber Statis All Fibers Select Fibers Number of Fibers 56129 Number of Fibers Maximum Length M aximum Length 164 Minimum Length Minimum Length Average Length 23.2035 Average Length 56.5515 Maximum Length 211.5715 Maximum Length 211.5T15 Minimum Length 3.8338 Minimum Length 5.108 Average Length 30.1177 Average Length 76.28 of voxels that 86m of Voxels that 14465 149 Max. of Min. of Min. of Mean of 12.298 Mean#。f 14.8551 Image Statisties along the Select Fibers Image(s) you have Results ev. dat Max. of Ingval: 1.0000 olor a Min. of Ingval: 0. 1014 Mean of Ingal: 0. 6513 Std. of Ingval: 0. 1859 Statistics Profile 【实例截图】
【核心代码】
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