Groups

DSI Studio

1–30 of 2535

Private link for sending data: https://www.dropbox.com/request/W0hJkAIVC2keWAjqtqvU

Due to the increasing amount of spam, posts from non-members will undergo a review period before being posted to the forum. Only members' posts will be made public immediately.

0 selected

Venkateswaran Rajagopalan

Jan 3

Differential tractography between two groups

Dear All I am new to differential tractography I read through the documents and watched youtube

unread,

Differential tractography between two groups

Dear All I am new to differential tractography I read through the documents and watched youtube

Jan 3

Andrei Barborica, … Frank Yeh5

12/28/25

Transformation matrix from T1w to DWI

Thanks, I'll look into it. On Thu, Dec 11, 2025 at 11:31 PM Andrei Barborica <andrei.barborica

unread,

Transformation matrix from T1w to DWI

Thanks, I'll look into it. On Thu, Dec 11, 2025 at 11:31 PM Andrei Barborica <andrei.barborica

12/28/25

12/26/25

Odd shape of SLF

Hi Frank. When running automated fiber tracking on the SLF, it always looks like a great mass instead

unread,

Odd shape of SLF

Hi Frank. When running automated fiber tracking on the SLF, it always looks like a great mass instead

12/26/25

Giorgio Marcello, Frank Yeh3

12/26/25

Hi Frank, I tried again after b table correction (there were b0 value assigned as 800 and 1600), but

unread,

Hi Frank, I tried again after b table correction (there were b0 value assigned as 800 and 1600), but

12/26/25

shashank bansal, Frank Yeh2

12/25/25

Heterogeneous FA Changes in Longitudinal Infant DTI Connectometry: Group-Level vs. Individual-Level Discrepancy

Likely there is an error when extracting the tract FA values. If still cannot identify the cause, you

unread,

Heterogeneous FA Changes in Longitudinal Infant DTI Connectometry: Group-Level vs. Individual-Level Discrepancy

Likely there is an error when extracting the tract FA values. If still cannot identify the cause, you

12/25/25

tommaso casseri, Frank Yeh4

12/24/25

Issues in automatic fiber traking

If possible, please upload the FIB file and I will do my best to figure out the issue. Frank tommaso

unread,

Issues in automatic fiber traking

If possible, please upload the FIB file and I will do my best to figure out the issue. Frank tommaso

12/24/25

Darren Lee, Frank Yeh3

12/23/25

TOPUP + EDDY Runtime in DSI Studio

This is expected. Frank Darren Lee <darren...@gmail.com> 於 2025年12月23日週二下午9:29 寫道： Dear Dr

unread,

TOPUP + EDDY Runtime in DSI Studio

This is expected. Frank Darren Lee <darren...@gmail.com> 於 2025年12月23日週二下午9:29 寫道： Dear Dr

12/23/25

Jaeyoung Kang, Frank Yeh2

12/22/25

Optimal QA Threshold Strategy for ADNI/PPMI Group Study (Auto vs Fixed?)

Sorry for delayed reply and this is a challenging task and I would say there's no correct or the

unread,

Optimal QA Threshold Strategy for ADNI/PPMI Group Study (Auto vs Fixed?)

Sorry for delayed reply and this is a challenging task and I would say there's no correct or the

12/22/25

Andreas Freitag, Frank Yeh5

12/22/25

Bruker B-Vector orientation

Good point. Each dicussion post (including this one) has a unique http link, and the content is

unread,

Bruker B-Vector orientation

Good point. Each dicussion post (including this one) has a unique http link, and the content is

12/22/25

Usitha Uduwakaarachchi, Frank Yeh2

12/22/25

DSI Studio CLI not generating connectivity outputs for ROI-based tracking

Sorry for the delayed reply. The code loaded multiple tracts all at once, and this cannot output

unread,

DSI Studio CLI not generating connectivity outputs for ROI-based tracking

Sorry for the delayed reply. The code loaded multiple tracts all at once, and this cannot output

12/22/25

Maryam Shapourjani, Frank Yeh4

12/22/25

Batch tractography using GUI

Yes, just as you have described. Frank Hello Dear Frank, Thank you for the guidance. I have another

unread,

Batch tractography using GUI

Yes, just as you have described. Frank Hello Dear Frank, Thank you for the guidance. I have another

12/22/25

Yijie Li (一生破晓), Frank Yeh2

12/22/25

Perform Registration of GQI Data

Hi Yijie, You may download QSDR FIB files and export FA maps. They will be in the MNI space. Best

unread,

Perform Registration of GQI Data

Hi Yijie, You may download QSDR FIB files and export FA maps. They will be in the MNI space. Best

12/22/25

ramtilak gattu, Frank Yeh2

12/19/25

zero tracts with Correlational tractography with latest version

The regression won't provide good result with just 1 TBI patient and 20 controls due to a heavily

unread,

zero tracts with Correlational tractography with latest version

The regression won't provide good result with just 1 TBI patient and 20 controls due to a heavily

12/19/25

Michael-John Beltejar, Frank Yeh2

12/19/25

It does not support multiple GPU. The reduction by using GPU is usually 5 fold to 10 fold of

unread,

It does not support multiple GPU. The reduction by using GPU is usually 5 fold to 10 fold of

12/19/25

Joseph Turner, Frank Yeh4

12/16/25

Methodology for generating hcp1065_avg_tracts_trk atlas

Please check out the Method section of the paper. The steps are detailed there. Best regards Frank

unread,

Methodology for generating hcp1065_avg_tracts_trk atlas

Please check out the Method section of the paper. The steps are detailed there. Best regards Frank

12/16/25

Catalina Andrea Saini Ferrón, Frank Yeh3

12/15/25

Comparing two QSIRecon Workflows using DSI Studio

Thank you for the reply. I will review the files using the information you have provided and keep the

unread,

Comparing two QSIRecon Workflows using DSI Studio

Thank you for the reply. I will review the files using the information you have provided and keep the

12/15/25

Chiara Matti, … Frank Yeh5

12/11/25

Difference between GUI AutoTrack result and command-line result using the same parameter_id

Thank you for your reply. It seems that after updating the dsi_studio version, the command line

unread,

Difference between GUI AutoTrack result and command-line result using the same parameter_id

Thank you for your reply. It seems that after updating the dsi_studio version, the command line

12/11/25

Maryam Shapourjani, Frank Yeh4

12/11/25

On Sun, Dec 7, 2025 at 2:04 PM Maryam Shapourjani <shapourja...@gmail.com> wrote: >

unread,

On Sun, Dec 7, 2025 at 2:04 PM Maryam Shapourjani <shapourja...@gmail.com> wrote: >

12/11/25

Mark Pinsk, Frank Yeh3

12/11/25

fdr_dist.values text file

Glad that this issue is resolved (sorry for delayed reply). Frank On Thu, Dec 11, 2025 at 12:46 AM

unread,

fdr_dist.values text file

Glad that this issue is resolved (sorry for delayed reply). Frank On Thu, Dec 11, 2025 at 12:46 AM

12/11/25

Selina Selina, Frank Yeh4

12/11/25

Yes Selina Selina <selina537...@gmail.com> 於 2025年12月11日週四上午12:03 寫道： Hello,Frank .

unread,

Yes Selina Selina <selina537...@gmail.com> 於 2025年12月11日週四上午12:03 寫道： Hello,Frank .

12/11/25

Christian Gewinn (Christent), Frank Yeh12

12/9/25

Orientation of along trat data after export

Hi Frank, After examining the data visually and getting slightly surprised by the results, me and my

unread,

Orientation of along trat data after export

Hi Frank, After examining the data visually and getting slightly surprised by the results, me and my

12/9/25

Brady Williamson, Frank Yeh3

12/7/25

Results for Binary Categorical Variables in Correlational Tractography

Thanks for providing the details. I will review the code to see possible causes. Frank Brady

unread,

Results for Binary Categorical Variables in Correlational Tractography

Thanks for providing the details. I will review the code to see possible causes. Frank Brady

12/7/25

taravat rasooli, Frank Yeh2

12/6/25

Question About Metric Differences Across DSI Studio Versions

Older versions may apply 'normalization' which changes the values, and the Spearman

unread,

Question About Metric Differences Across DSI Studio Versions

Older versions may apply 'normalization' which changes the values, and the Spearman

12/6/25

Gautier Kempinaire, Frank Yeh4

12/4/25

Nifti files modified/created by DSI Sutdio not recognized by other programs

Thanks. I am listing this issue on my to do list. Hope to get back to you soon. Frank Gautier

unread,

Nifti files modified/created by DSI Sutdio not recognized by other programs

Thanks. I am listing this issue on my to do list. Hope to get back to you soon. Frank Gautier

12/4/25

Ellen Nogossek, Frank Yeh2

12/3/25

Interpreting correlational tractography output file

Sorry for the delay. This task is on my queue and I hope to get to it soon. On Wed, Nov 26, 2025 at 5

unread,

Interpreting correlational tractography output file

Sorry for the delay. This task is on my queue and I hope to get to it soon. On Wed, Nov 26, 2025 at 5

12/3/25

Elizabeth Castro, Frank Yeh4

12/2/25

Errant streamlines at back of brain

Hi Frank, Checking in to see if you have had a chance to look at the data I uploaded. Best, Elizabeth

unread,

Errant streamlines at back of brain

Hi Frank, Checking in to see if you have had a chance to look at the data I uploaded. Best, Elizabeth

12/2/25

Алина Лясковик, … Frank Yeh22

11/28/25

You may check out the region statistics to see if the volume is the same. Best regards Frank Selina

unread,

You may check out the region statistics to see if the volume is the same. Best regards Frank Selina

11/28/25

RUTH LANGAT, Frank Yeh3

11/26/25

About batch save connective matrix

太好了，弗兰克。现在我可以用hcp-mmp获取矩阵，但实际上，shen268图集只需要268×268的尺寸。不过我试过了，但根本没有矩阵文件。我现在不知道该怎么办，希望能得到你的帮助。 On

unread,

About batch save connective matrix

太好了，弗兰克。现在我可以用hcp-mmp获取矩阵，但实际上，shen268图集只需要268×268的尺寸。不过我试过了，但根本没有矩阵文件。我现在不知道该怎么办，希望能得到你的帮助。 On

11/26/25

Gaelle Doucet, Frank Yeh3

11/24/25

Siemens upgrade and diffusion error

Thank you for the quick response! Using the most up to date version, it works! In the meantime, I

unread,

Siemens upgrade and diffusion error

Thank you for the quick response! Using the most up to date version, it works! In the meantime, I

11/24/25

Mark Pinsk, Frank Yeh2

11/24/25

Corr Tractography: multiple study variables

We usually run it multiple times for each of the scores. If too many, we may use PCA to reduce them.

unread,

Corr Tractography: multiple study variables

We usually run it multiple times for each of the scores. If too many, we may use PCA to reduce them.

11/24/25

Search

Clear search

Close search

Google apps

Main menu