Thursday, November 18, 2010

a field activity with the participation of members with mental disabilities




Album(Photo: weiweiyin)
Album(Photo: asa)

We just had a field activity with the participation of members with mental disabilities. It provided close-up opportunities to investigate their special needs at workplaces.

Monday, February 1, 2010

iPad

We once believed content is independent of the device, just like TV sets and cellular phones. We also believed content is independent of channels, just like Internet. However, this device controls the content. The device becomes a channel itself.

Friday, January 22, 2010

Friday, January 15, 2010

Medical Monitoring Networks Get Personal

I just read a wonderful article from Scientific American, Sep. 2009
Medical Monitoring Networks Get Personal


quote:
"[Bluetooth] really falls down when it comes to battery issues," says Nathaniel Sims, a physician at Boston's Massachusetts General Hospital and assistant professor of anesthesia at Harvard Medical School.

If all goes well, look for MBANs to fall into three categories in the near future—those used to monitor a patient's general health or "wellness," those measuring the health of the elderly, and those used to monitor patients with long-term medical conditions such as Parkinson's disease or epilepsy, says Paolo Bonato,

Saturday, January 9, 2010

Healthcare sensors

Two Ideas for outpatient healthcare
1. Bluetooth headset for chewing problem detection, ISWPC 2008, Greece
2. In-bed accelerometer sensors for sleeping patterns identification,
Pervasive Health 2008, Finland (software now also available on i-Phone as
paid download)

I like their ideas of using widely available Bluetooth headset and i-Phone
instead of expensive medical equipment. But I do not have signal processing
background to make judgments.

Indoor positioning

There are two recent survey papers on indoor positioning.

Survey of Wireless Indoor Positioning Techniques and Systems
Hui Liu; Darabi, H.; Banerjee, P.; Jing Liu;
Systems, Man, and Cybernetics, Part C: Applications and Reviews, IEEE
Transactions on
Volume 37, Issue 6, Nov. 2007 Page(s):1067 - 1080

A survey of indoor positioning systems for wireless personal networks
Yanying Gu; Lo, A.; Niemegeers, I.;
Communications Surveys & Tutorials, IEEE
Volume 11, Issue 1, First Quarter 2009 Page(s):13 - 32

Friday, January 8, 2010

SSL on embedded linux

If SSL has to be implemented in C, CyaSSL is a C language based SSL developed for
embedded environments and real time operating systems where resources are
constrained.