RESTmetaMDD ChaoGan Yan Ph D yancgpsych ac cn






































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REST-meta-MDD数据整理、 标准化预处理、质量控制、整理与上传 严超赣 Chao-Gan Yan, Ph. D. yancg@psych. ac. cn http: //rfmri. org/yan Institute of Psychology, Chinese Academy of Sciences
Outline • Data Preparation • Standardized Preprocessing • Quality Control • Data Upload 2
Data Organization Processing. Demo. Data. zip Fun. Raw Sub_001 Functional DICOM data Sub_002 Sub_003 T 1 Raw Sub_001 Structural DICOM data Sub_002 Sub_003 http: //rfmri. org/Demo. Data 3
Data Organization Processing. Demo. Data. zip Fun. Img Sub_001 Sub_002 Functional NIf. TI data (. nii. gz. , . nii or. img) Sub_003 T 1 Img Sub_001 Structural NIf. TI data (. nii. gz. , . nii or. img) Sub_002 Sub_003 4
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IMA dcm none 6
Data preparation Arrange each subject's f. MRI DICOM images in one directory, and then put them in "Fun. Raw" directory under the working directory. Subject 1’s DICOM 1’s Fun. Raw files directory, please name as this Working directory 7
Data preparation Arrange each subject's T 1 DICOM images in one directory, and then put them in “T 1 Raw" directory under the working directory. Subject 1’s DICOM 1’s T 1 Raw files directory, please name as this Working directory 8
Outline • Data Preparation • Standardized Preprocessing • Quality Control • Data Upload 9
esting State f. MRI Data Processing Template Parameters 10
Preprocessing and R-f. MRI measures Calculation 11
Preprocessing and R-f. MRI measures Calculation 12
Outline • Data Preparation • Standardized Preprocessing • Quality Control • Data Upload 13
Preprocessing and R-f. MRI measures Calculation Reorient Interactively This step could improve the accuracy in coregistration, segmentation and normalization, especially when images had a bad initial orientation. Also can take as a QC step. 14
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Display the mean image after realignment. (Could take this step as a QC procedure. ) QC scores and comments are stored at {Work. Dir}/QC 17
Motion artifact Aliasing artifacts Courtesy of Dr. Rui-Wang Huang Ghost Spikes (single peak in k-space) Chemical shift artifacts Zipper
Metal / decoration or hair gel Metal artifacts false teeth T 1 Courtesy of Dr. Rui-Wang Huang T 1 PD T 2
Ghost Bad coverage Inhomogeneity Not good coverage
Quality Control 21
Quality Control 22
Quality Control 23
Quality Control 24
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Outline • Data Preparation • Standardized Preprocessing • Quality Control • Data Upload 26
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Organized Results 29
Organized Results 30
Organized Results 31
Organized Results 32
Data Upload 33
Data Upload 1. FTP: lab. rfmri. org; username: mddproject; password: see in follow up email. E. g. , File. Zilla 34
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Data Upload 1. FTP: lab. rfmri. org; username: mddproject; password: see in follow up email. E. g. , File. Zilla 2. 网盘 3. QQ邮箱超大附件 请发邮件到rfmrilab@gmail. com告知我们,并附上临床资 料数据表格。 36
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