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ASLtbx discussion board

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Welcome on board! This place is open to any Q&A or discussion or information sharing for ASL data processing either related to or independent of ASLtbx.

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mahmoud, red...@gmail.com2

Jul 9

New to ASL Research – Help Needed with PCASL and Single-Phase ASL on Philips 3T

I would suggest contacting Philips technical support for setting up their sequence. Some useful tips

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New to ASL Research – Help Needed with PCASL and Single-Phase ASL on Philips 3T

I would suggest contacting Philips technical support for setting up their sequence. Some useful tips

Jul 9

Kai Chuang, … Yiran Li3

May 20

multi delay PCASL

Hi Kai, The attached file is the demo code for multi-PLD fitting with example data. Please let me

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multi delay PCASL

Hi Kai, The attached file is the demo code for multi-PLD fitting with example data. Please let me

May 20

s4s...@gmail.com, … red...@gmail.com4

6/1/24

Calculation of CBF and ATT map from multi Delay ASL

The process is right. I didn't see any problem in your scripts. Make sure you used the perfusion

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Calculation of CBF and ATT map from multi Delay ASL

The process is right. I didn't see any problem in your scripts. Make sure you used the perfusion

6/1/24

red...@gmail.com

6/1/24

RE: ASL toolbox inquiry

Hi Dinh Thuy, The file is attached here. Your attached manual refers to the very early example which

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RE: ASL toolbox inquiry

Hi Dinh Thuy, The file is attached here. Your attached manual refers to the very early example which

6/1/24

SHYNA A, … redhatw6

4/8/24

Do you mean the spike noise by "impulse noise"? That can occur to MRI but the pattern will

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Do you mean the spike noise by "impulse noise"? That can occur to MRI but the pattern will

4/8/24

SHYNA A, … Gizeaddis L. Simegn6

2/14/24

Error in spm_segment module

Hi shyna. Would you mind sharing how you fixed the spm12 Mprage segment error? Thank you Gize On

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Error in spm_segment module

Hi shyna. Would you mind sharing how you fixed the spm12 Mprage segment error? Thank you Gize On

2/14/24

Vincent Zeng, red...@gmail.com2

1/22/24

How to quantify CBF without M0 image

You cannot get the quantitative CBF maps. The only thing you can do is to convert the control-label

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How to quantify CBF without M0 image

You cannot get the quantitative CBF maps. The only thing you can do is to convert the control-label

1/22/24

s4s...@gmail.com, red...@gmail.com3

3/6/23

Regarding MNI template

Thank you sir On Mon, 6 Mar 2023, 9:47 pm , <red...@gmail.com> wrote: I don't see a need

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Regarding MNI template

Thank you sir On Mon, 6 Mar 2023, 9:47 pm , <red...@gmail.com> wrote: I don't see a need

3/6/23

Óscar Peña-Nogales, … red...@gmail.com3

2/10/23

CBF estimation C2P Siemens sequence from UCL.

You should contact UCL for this. Our sequence is 3D BS PCASL with spiral readout and we do apply a

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CBF estimation C2P Siemens sequence from UCL.

You should contact UCL for this. Our sequence is 3D BS PCASL with spiral readout and we do apply a

2/10/23

12/11/22

the problem in CBF calculation

Dear Professor Wang: I am very sorry to bother you. I am writing this letter for the purpose of

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the problem in CBF calculation

Dear Professor Wang: I am very sorry to bother you. I am writing this letter for the purpose of

12/11/22

Ashwati Vipin, red...@gmail.com2

8/29/22

batch_reset_orientation help for PASL acquired P>A orientation

Hi Ashwati, Resetting orientation has been switched from the manual approach (which needs the

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batch_reset_orientation help for PASL acquired P>A orientation

Hi Ashwati, Resetting orientation has been switched from the manual approach (which needs the

8/29/22

wei li, … tianci_3693587276

8/17/22

脑血流量为负值

这是一封自动回复邮件。已经收到您的来信，我会尽快回复。

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脑血流量为负值

这是一封自动回复邮件。已经收到您的来信，我会尽快回复。

8/17/22

YH Chen, tianci_3693587273

6/15/22

ASLtbx脑血流量异常

the detailed parameters were performed here: Sequence: 3D pcASL Machine: GE img: struc(T1), func(

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ASLtbx脑血流量异常

the detailed parameters were performed here: Sequence: 3D pcASL Machine: GE img: struc(T1), func(

6/15/22

Ze Wang, tianci_3693587272

4/25/22

Re: Assistance with SPM

这是一封自动回复邮件。已经收到您的来信，我会尽快回复。

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Re: Assistance with SPM

这是一封自动回复邮件。已经收到您的来信，我会尽快回复。

4/25/22

陳立國, tianci_3693587272

4/19/22

無法下載 ASLtbx?

这是一封自动回复邮件。已经收到您的来信，我会尽快回复。

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無法下載 ASLtbx?

这是一封自动回复邮件。已经收到您的来信，我会尽快回复。

4/19/22

Ze Wang, tianci_3693587272

4/3/22

Fw: postdoc or research associate position in University of Maryland School of Medicine

这是一封自动回复邮件。已经收到您的来信，我会尽快回复。

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Fw: postdoc or research associate position in University of Maryland School of Medicine

这是一封自动回复邮件。已经收到您的来信，我会尽快回复。

4/3/22

Ze Wang, tianci_3693587272

3/14/22

Fw: postdoc position for brain entropy mapping and clustering

这是一封自动回复邮件。已经收到您的来信，我会尽快回复。

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Fw: postdoc position for brain entropy mapping and clustering

这是一封自动回复邮件。已经收到您的来信，我会尽快回复。

3/14/22

shani...@gmail.com, … tianci_36935872712

2/27/22

ROI based analysis of ASL data

这是一封自动回复邮件。已经收到您的来信，我会尽快回复。

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ROI based analysis of ASL data

这是一封自动回复邮件。已经收到您的来信，我会尽快回复。

2/27/22

박강민, … tianci_36935872711

2/27/22

To get ROI data

这是一封自动回复邮件。已经收到您的来信，我会尽快回复。

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To get ROI data

这是一封自动回复邮件。已经收到您的来信，我会尽快回复。

2/27/22

Ekaterina Lunkova, … tianci_3693587274

2/27/22

pCASL 1st & 2nd level analysis

这是一封自动回复邮件。已经收到您的来信，我会尽快回复。

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pCASL 1st & 2nd level analysis

这是一封自动回复邮件。已经收到您的来信，我会尽快回复。

2/27/22

Óscar Peña-Nogales, … Ze Wang4

11/21/21

Hi, use the attached code. The output will be slightly different from the CBF map obtained by the GE

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Hi, use the attached code. The output will be slightly different from the CBF map obtained by the GE

11/21/21

Lisa Rosenblum, … Ze Wang3

11/21/21

Regexp error for first level analysis after changing FWHM

This issue is caused by the conflict between SPM function and Matlab functions. You can start SPM by

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Regexp error for first level analysis after changing FWHM

This issue is caused by the conflict between SPM function and Matlab functions. You can start SPM by

11/21/21

Ze Wang, Giannina Rita Iannotti6

10/19/21

Re: ASL toolbox

Dear Rita, Please see below. On Monday, October 11, 2021 at 9:23:04 AM UTC-4 Giannina Rita Iannotti

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Re: ASL toolbox

Dear Rita, Please see below. On Monday, October 11, 2021 at 9:23:04 AM UTC-4 Giannina Rita Iannotti

10/19/21

10/19/21

Influence of Prescan Normalization in Siemens scanners on PCASL acquisition

Hi Eric, On Tuesday, August 24, 2021 at 11:54:36 PM UTC-4 Eric wrote: Dear Dr. Wang, Thanks for your

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Influence of Prescan Normalization in Siemens scanners on PCASL acquisition

Hi Eric, On Tuesday, August 24, 2021 at 11:54:36 PM UTC-4 Eric wrote: Dear Dr. Wang, Thanks for your

10/19/21

10/6/21

postdoc positions open

We have several positions open. Please help to spread! Thanks Ze Wang, PhD Associate Professor,

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postdoc positions open

We have several positions open. Please help to spread! Thanks Ze Wang, PhD Associate Professor,

10/6/21

Francesco Sammartino docpatient, Ze Wang3

5/30/21

Not sure whether I answered this or not. But the answer is using the one named by S0_. I can't

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Not sure whether I answered this or not. But the answer is using the one named by S0_. I can't

5/30/21

Óscar Peña-Nogales

5/28/21

DICOM header information

Dear all, I've been provided with ASL data from different sites, but I haven't been told

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DICOM header information

Dear all, I've been provided with ASL data from different sites, but I haven't been told

5/28/21

4/28/21

Hello, Im trying to load some .mat files. But i have thirs error: Matrix dimensions must agree. Here

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Hello, Im trying to load some .mat files. But i have thirs error: Matrix dimensions must agree. Here

4/28/21

3/15/21

Re: Error in computing CBF from perfusion image

Hi Michele, The mean perfusion difference map seems ok to me. The extreme large value after CBF

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Re: Error in computing CBF from perfusion image

Hi Michele, The mean perfusion difference map seems ok to me. The extreme large value after CBF

3/15/21

Francesco Neri, redhatw9

1/3/21

T1 - ASL Coregistration problem

TI2 = post labeling delay time here. On Wed, Dec 30, 2020 at 11:54 AM Francesco Neri <nericesco@

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T1 - ASL Coregistration problem

TI2 = post labeling delay time here. On Wed, Dec 30, 2020 at 11:54 AM Francesco Neri <nericesco@

1/3/21

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