[Mristudio-users] 15-direction gradient table

[jenabi at optonline.net]

Could you please stop sending me e-mails?

----- Original Message -----
From: susumu 
Date: Thursday, March 19, 2009 9:46 am
Subject: Re: [Mristudio-users] 15-direction gradient table
To: "'DTI Studio, ROI Editor, Landmarker Questions/Support'" 

> 
> 
> for which scanner? Or something you can implement in a scanner 
> by yourself?
> Anyway, these are some options you can consider;
> 
> 
> 
> Philips "Medium" 15-orientation:
> 
> 
> 
> 0: 0, 0, 0
> 
> 1: 1.0, 0.0, 0.0
> 
> 2: 0.0, 1.0, 0.0
> 
> 3: 0.0, 0.0, 1.0
> 
> 4: -0.1789, -0.1113, -0.9776
> 
> 5: -0.0635, 0.3767, -0.9242
> 
> 6: 0.710, 0.0516, -0.7015
> 
> 7: 0.6191, -0.4385, -0.6515
> 
> 8: 0.2424, 0.7843, -0.5710
> 
> 9: -0.2589, -0.6180, -0.7423
> 
> 10: -0.8169, 0.1697, -0.5513
> 
> 11: -0.8438, 0.5261, -0.1060
> 
> 12: -0.2626, 0.9548, -0.1389
> 
> 13: 0.0001, 0.9689, 0.2476
> 
> 14: 0.7453, 0.6663, 0.0242
> 
> 15: 0.9726, 0.2317, 0.0209
> 
> 
> 
> 
> 
> GE 15-orientation
> 
> 
> 
> 0: 0.000, 0.000, 0.000
> 
> 1: 0.216, -0.8986, 0.38188
> 
> 2: -0.444, -0.4187, 0.7918
> 
> 3: -0.6351, -0.7700, -0.05947
> 
> 4: 0.500, -0.19253, 0.8440
> 
> 5: -0.2212, 0.5311, -0.8178
> 
> 6: -0.8919, 0.07914, -0.4451
> 
> 7: -0.1693, 0.5134, 0.8412
> 
> 8: -0.2639, -0.4402, -0.8581
> 
> 9: 0.59852, 0.00692, -0.8010
> 
> 10: -0.899, 0.2234, 0.3751
> 
> 11: 0.9853, -0.1664, 0.0385
> 
> 12: 0.6279, 0.6270, 0.46098
> 
> 13: -0.3501, 0.9364, 0.02096
> 
> 14: 0.5270, 0.7731, -0.3528
> 
> 15: 0.4206, -0.8041, -0.4200
> 
> 
> 
> There are Jones10 and Jones20, but I am not sure if there is 
> Jones15. 
> 
> 
> 
> _____ 
> 
> From: mristudio-users-bounces at mristudio.org
> [mailto:mristudio-users-bounces at mristudio.org] On Behalf Of Abby Ding
> Sent: Thursday, March 19, 2009 6:01 AM
> To: MRIstudio
> Subject: [Mristudio-users] 15-direction gradient table
> 
> 
> 
> Dear users,
> 
> 
> 
> Does any one of you have a 15-direction gradient table to share 
> with me?
> 
> 
> 
> Thank you very much for your kindly help!
> 
> 
> 
> Best Regards,
> 
> Abby
> 
> 
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