Non-invasive assessment of local arterial compliance by simultaneous ultrasound and tonometry measurements
From niml.org
Please contact *Bryn Martin for information about this project.
http://www.vernier.com/accessories/access.html?hr-rec&template=basic.html
http://catalog.belkin.com/IWCatProductPage.process?Product_Id=136212
I was using an C++ application using the TLib vision library: http://www.tuyphon.com/tlib/
You can do the same with opencv: http://opencv.willowgarage.com/wiki/