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Lucía Sánchez Aranda
,
Jan Petr
2
Feb 24
ExploreASL do not find fsl
Hi Lucia, Best to add the path to FSL to the dataPar.json - see here https://exploreasl.github.io/
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ExploreASL do not find fsl
Hi Lucia, Best to add the path to FSL to the dataPar.json - see here https://exploreasl.github.io/
Feb 24
Kajuboju Tejaswi
,
ExploreASL
2
Feb 24
Guidance needed: ExploreASL v1.11 BIDS2Legacy error (“bids2legacy” field missing)
Try updating to the "develop" branch. Also try deleting the "derivatives"
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Guidance needed: ExploreASL v1.11 BIDS2Legacy error (“bids2legacy” field missing)
Try updating to the "develop" branch. Also try deleting the "derivatives"
Feb 24
Claire Lillian Illeck
,
Jan Petr
2
Feb 24
Questions Regarding Multi-PLD Data and M0 Settings
Hi, Sorry, I've noticed this only now - we don't check the groups too often. Let me know at j
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Questions Regarding Multi-PLD Data and M0 Settings
Hi, Sorry, I've noticed this only now - we don't check the groups too often. Let me know at j
Feb 24
Jennie Chen
,
Jan Petr
2
3/10/24
Ignore image & different number of repetitions
Hi Jennie, Glad to hear that. Yes, ExploreASL should be perfectly able to handle such cases. You did
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Ignore image & different number of repetitions
Hi Jennie, Glad to hear that. Yes, ExploreASL should be perfectly able to handle such cases. You did
3/10/24
James
10/27/23
Longitudinal Analysis
Hi all, Trying to test the longitudinal analysis with one subject but two separate sessions, just to
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Longitudinal Analysis
Hi all, Trying to test the longitudinal analysis with one subject but two separate sessions, just to
10/27/23
Bhaskar Roy
6/5/23
Reagarding ADNI image processing in ExploreASL
Dear experts, I am currently processing ADNI ASL images using customs scripts of Micheal Stritt.
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Reagarding ADNI image processing in ExploreASL
Dear experts, I am currently processing ADNI ASL images using customs scripts of Micheal Stritt.
6/5/23
Victor Mazereel
7/26/22
Quantification of CBF without M0 and without control images without background suppression
Dear I'm working on an PCASL dataset acquired from a Philips scanner (2D readout) and have run
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Quantification of CBF without M0 and without control images without background suppression
Dear I'm working on an PCASL dataset acquired from a Philips scanner (2D readout) and have run
7/26/22
Hannah Bernstein
,
Jan Petr
3
3/15/22
Low CBF values for children
Dear Jan, Thank you very much for your response! Attached is an ASL4D for an image taken at a PLD of
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Low CBF values for children
Dear Jan, Thank you very much for your response! Attached is an ASL4D for an image taken at a PLD of
3/15/22
Nikolaos Mouchtouris
,
Jan Petr
2
3/2/22
Issue with generating own DataPar.json file
Hi, I've recently revamped the Documentation. See the new documentation here. All should be
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Issue with generating own DataPar.json file
Hi, I've recently revamped the Documentation. See the new documentation here. All should be
3/2/22
Asako
,
Jan Petr
2
3/2/22
Data directory and sourceStructure.json settings
Dear Asako, here are some comments below: 1. Please see our updated documentation that explains the
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Data directory and sourceStructure.json settings
Dear Asako, here are some comments below: 1. Please see our updated documentation that explains the
3/2/22
ANINDITA BHATTACHARJEE Res. Scholar, School of Biomed. Engg. IIT (BHU)
7/27/21
Processing ADNI-ASL images
Dear Jan, I hope you are doing well. Currently, I am trying to process ADNI ASL images with
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Processing ADNI-ASL images
Dear Jan, I hope you are doing well. Currently, I am trying to process ADNI ASL images with
7/27/21
ANINDITA BHATTACHARJEE Res. Scholar, School of Biomed. Engg. IIT (BHU)
4/17/21
Analysis of ASL Images with ExploreASL
Hello Jan, Let me introduce myself; I am a Ph.D. research scholar at the Indian Institute of
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Analysis of ASL Images with ExploreASL
Hello Jan, Let me introduce myself; I am a Ph.D. research scholar at the Indian Institute of
4/17/21
ANINDITA BHATTACHARJEE Res. Scholar, School of Biomed. Engg. IIT (BHU)
4/7/21
Dataset on which ExploreASL working
Hello Jan, Can you please tell me which opensource ASL images currently ExploreASL is giving results?
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Dataset on which ExploreASL working
Hello Jan, Can you please tell me which opensource ASL images currently ExploreASL is giving results?
4/7/21
tayebeh ebrahimi
,
Jan Petr
2
3/29/21
negative number for CBF
Dear Tayebeh, The Harvard-Oxford atlas has both larger and smaller regions. It can happen that some
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negative number for CBF
Dear Tayebeh, The Harvard-Oxford atlas has both larger and smaller regions. It can happen that some
3/29/21
ANINDITA BHATTACHARJEE Res. Scholar, School of Biomed. Engg. IIT (BHU)
,
Jan Petr
12
3/23/21
Analysis of ASL images without M0 file
---------- Forwarded message --------- From: ANINDITA BHATTACHARJEE Res. Scholar, School of Biomed.
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Analysis of ASL images without M0 file
---------- Forwarded message --------- From: ANINDITA BHATTACHARJEE Res. Scholar, School of Biomed.
3/23/21
Mutsaerts, H.J.M.M. (Henk Jan)
11/22/20
Re: Multimodal Imaging Analysis of Cognitive Flexibility in Hypertension
Hi Roger, Thanks, great to hear! Would be best if you can join our weekly clinical/user meeting, in
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Re: Multimodal Imaging Analysis of Cognitive Flexibility in Hypertension
Hi Roger, Thanks, great to hear! Would be best if you can join our weekly clinical/user meeting, in
11/22/20
Mutsaerts, H.J.M.M. (Henk Jan)
2
11/17/20
Re: Inquiry about ExploreASL
From: Jan Petr <j.p...@hzdr.de> Date: Tuesday, 17 November 2020 at 14:58 To: Rubinski, Anna
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Re: Inquiry about ExploreASL
From: Jan Petr <j.p...@hzdr.de> Date: Tuesday, 17 November 2020 at 14:58 To: Rubinski, Anna
11/17/20
tayebeh ebrahimi
11/17/20
،اث advantage of multi inversion time over one TI in PASL
Dear ExploreASL experts, I know that the multi-inversion time sequence has some advantage over the
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،اث advantage of multi inversion time over one TI in PASL
Dear ExploreASL experts, I know that the multi-inversion time sequence has some advantage over the
11/17/20
tayebeh ebrahimi
,
Jan Petr
2
11/11/20
CBF calculation formula
Hi Tayebe, For single-TI PASL, it is correct to use the formula 2 from page 112 of the Alsop 2015
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CBF calculation formula
Hi Tayebe, For single-TI PASL, it is correct to use the formula 2 from page 112 of the Alsop 2015
11/11/20
Mutsaerts, H.J.M.M. (Henk Jan)
2
11/7/20
Re: Standard space in ExploreASL
Hi Tayebeh, Indeed, ensuring that you inspect and/or analyse the correct hemisphere is not trivial,
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Re: Standard space in ExploreASL
Hi Tayebeh, Indeed, ensuring that you inspect and/or analyse the correct hemisphere is not trivial,
11/7/20
Timothy Ellmore
, …
Jan Petr
9
10/30/20
Re: quantification issues
These numbers look good. I can't comment exactly on the numbers from the top of my head, but
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Re: quantification issues
These numbers look good. I can't comment exactly on the numbers from the top of my head, but
10/30/20
Timothy Ellmore
,
Jan Petr
2
10/29/20
quick question about "n/a" in mean_qCBF_StandardSpace_Hammers_*
Shortly: It means that there are not enough voxels to evaluate the mean CBF. Each TSV file only has
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quick question about "n/a" in mean_qCBF_StandardSpace_Hammers_*
Shortly: It means that there are not enough voxels to evaluate the mean CBF. Each TSV file only has
10/29/20
Mutsaerts, H.J.M.M. (Henk Jan)
10/29/20
Re: Questions regarding using ExploreASL to process 3D ASL
Dear Rita, Thanks for your message! Can you let me know which ExploreASL version this is? This could
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Re: Questions regarding using ExploreASL to process 3D ASL
Dear Rita, Thanks for your message! Can you let me know which ExploreASL version this is? This could
10/29/20
tayebeh ebrahimi
,
Jan Petr
2
10/26/20
Run an ROI analysis with a custom atlas
Hi Tayyebe, To obtain the quantitative values in the HO atlas, you simply need to go to the analysis
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Run an ROI analysis with a custom atlas
Hi Tayyebe, To obtain the quantitative values in the HO atlas, you simply need to go to the analysis
10/26/20
Henk-Jan Mutsaerts
10/20/20
Re: ExploreASL_error
Dear Tayebeh, Thanks for reaching out, I've put our team members in CC. Your question concerns
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Re: ExploreASL_error
Dear Tayebeh, Thanks for reaching out, I've put our team members in CC. Your question concerns
10/20/20
Timothy Ellmore
, …
Jan Petr
3
9/16/20
error in Population module
Dear Tim, Thanks for reporting this. We have fixed this error in version 1.2.1, which has just been
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error in Population module
Dear Tim, Thanks for reporting this. We have fixed this error in version 1.2.1, which has just been
9/16/20
Henk-Jan Mutsaerts
,
jan.honza.petr
3
7/8/20
Q&A
2D or 3D?
Typically, 2D ASL acquisitions use echo-planar-imaging (EPI) readout. While 3D use GRASE (on Philips
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Q&A
2D or 3D?
Typically, 2D ASL acquisitions use echo-planar-imaging (EPI) readout. While 3D use GRASE (on Philips
7/8/20
ExploreASL
,
Henk-Jan Mutsaerts
2
7/7/20
Q&A
ADNI3 ASL
Dear Amaryllis, Good to hear, no, the M0 and perfusion-weighted image are two different things!
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Q&A
ADNI3 ASL
Dear Amaryllis, Good to hear, no, the M0 and perfusion-weighted image are two different things!
7/7/20
Lina Jarutytė
,
jan.honza.petr
2
4/20/20
Q&A
Uneven number of control-label frames
Hi Lina, That is pretty difficult as most vendors do not save this information to the DICOM. This
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Q&A
Uneven number of control-label frames
Hi Lina, That is pretty difficult as most vendors do not save this information to the DICOM. This
4/20/20
Henk-Jan Mutsaerts
12/25/19
Q&A
Re-running ASL-T1w registration
Hi guys, nice Christmas question for you: Let's say you only rerun the ASL-T1w registration, then
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Q&A
Re-running ASL-T1w registration
Hi guys, nice Christmas question for you: Let's say you only rerun the ASL-T1w registration, then
12/25/19