Berthold K.P. Horn      

Publications



• Awards

• Routes

• Courses

• Ideas

Other:

• Quaternions: what are they, and why do we need to know?
• Tired of stop-and-go traffic and phantom traffic jams? — How to suppress traffic flow instabilities.
• Indoor equivalent of GPS? Overview: Fine Time Measurement (FTM) Round Trip Time (RTT)
• FTMRTT app for indoor localization using Wi-Fi access points (IEEE 802.11mc).
• WifiRttScanX app for finding FTM RTT responders and calibrating distance measurements
• Wish to improve cell phone reception? — How to install a cellular repeater.
• Want to learn more about cellular signals? — CellTracker app for Android.
• Where is cell phone coverage poor? — Distribution of femto cells as a proxy for poor service.
• Interested in weather data collection? — Crowd-sourcing urban air temperatures from smartphone battery temperatures
• “Absolute Orientation” third in list of top cited papers in the Journal of the Optical Society (JOSA A)
• Still using Y&Y TeX? Would you like to 'upgrade' to TeX 3.14159265? Download zip file of .exe and .dll
• Which pored mushroom is it? — Identifying boletes of the North East
• Hiking in the Ossipee Mountains? — Get the detailed map for your GPS
• Hiking on the Kapalua Resort Trails? — Get tracks for Google Earth or your GPS

Some more random links...

(ORCID)

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