Any modern mobile phone is equipped with accelerometer and compass sensor. Many techniques is developed to use the ease of phone sensors for indoor tracking. Using accelerometer to estimate the walking distance, using compass to detect heading direction.
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Today, I visit my wordpress blog: julyhoping.wordpress.com
It’s my 1st wordpress blog, before I moved to this site. I created it in my 2nd year at university. Reading it again made me remember the past – the time I was really interested in programming and the time I began my study at APCS. I missed all those memories!
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