[Mristudio-users] 15-direction gradient table

[susumu]

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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