Rank: 1564 based on 93 downloads (last 30 days) and 3 files submitted
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Glen Lichtwark

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Lat/Long
-27.0, 153.0

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Professional Interests:
biomechanics, image processing, signal processing, simulation

 

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Files Posted by Glen View all
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(last 30 days)
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30 Oct 2011 Screenshot Muscle fascicle tracking - Ultrasound Implementation of an optical flow algorithm to track muscle length changes imaged with ultrasound. Author: Glen Lichtwark ultrasound, muscle, image processing, gui 49 5
  • 5.0
5.0 | 2 ratings
24 Feb 2011 Screenshot Optitrack SDK interface demo Demonstration file on how to interface directly with Natural Points USB cameras (TrackIR or FLEX) Author: Glen Lichtwark instrument driver, trackir, optitrack 19 2
22 Jan 2010 Tracking Tools (Optitrack) Demo on how to use the Tracking Tools API from Matlab to interface with Optitrack cameras. Author: Glen Lichtwark instrument driver, measurement, optitrack, tracking 25 5
  • 4.5
4.5 | 2 ratings
Comments and Ratings by Glen View all
Updated File Comments Rating
30 Oct 2011 Muscle fascicle tracking - Ultrasound Implementation of an optical flow algorithm to track muscle length changes imaged with ultrasound. Author: Glen Lichtwark

Dan, you'll have to be more specific. Can you get the video file to open at all? If not, then this is probably due to an incompatibility of the video compression. Try installing DivX as described. If you are getting an error message then I'll need to know what the message is. Please ensure you are also using Matlab 2009 onwards.

07 Jul 2010 Affine optic flow Estimates the parameters of an affine (first-order) optic flow model from two images. Author: David Young

Comments and Ratings on Glen's Files View all
Updated File Comment by Comments Rating
14 Jul 2014 Tracking Tools (Optitrack) Demo on how to use the Tracking Tools API from Matlab to interface with Optitrack cameras. Author: Glen Lichtwark avi

I'm getting:
Caught unexpected "char*" Exception message is:
Index out of range

what should i do about it? i tried every thing

11 Apr 2013 Tracking Tools (Optitrack) Demo on how to use the Tracking Tools API from Matlab to interface with Optitrack cameras. Author: Glen Lichtwark Lichtwark, Glen

Jose9, are you using a 32-bit or 64-bit version of Matlab? The 64-bit version will not work, however perhaps if you install the new version of Motive with your Tracking Tools license, then this may work. I will test this in the coming months.

23 Nov 2012 Tracking Tools (Optitrack) Demo on how to use the Tracking Tools API from Matlab to interface with Optitrack cameras. Author: Glen Lichtwark jose9

Hi Glen, I'm interested in your work, i have just purchased TT 2.5.0, and i used your matlab code with any succeed, and do you have any idea about the solution of this.

Thank very much

26 Oct 2012 Tracking Tools (Optitrack) Demo on how to use the Tracking Tools API from Matlab to interface with Optitrack cameras. Author: Glen Lichtwark Lichtwark, Glen

For anyone who is interested, I have recently tried running previously posted Matlab code on the latest 64-bit version of TT (2.5.0) with a 64-bit version of Matlab and haven't succeeded. It seems that 'loadlibrary' throws an error that I can't pinpoint the source of. I will look into this further for a solution....

30 Aug 2012 Muscle fascicle tracking - Ultrasound Implementation of an optical flow algorithm to track muscle length changes imaged with ultrasound. Author: Glen Lichtwark Robert

I was wrong - installing DivX as suggested solved the problem…

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