Indoor fingerprint map constructing method based on crowdsourcing fingerprint
A construction method and fingerprint map technology, applied in location-based services, nan, instruments, etc., can solve problems such as uneven distribution, inaccurate crowdsourced fingerprint location labeling, and different dimensions
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[0095] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.
[0096] Such as figure 1 As shown, the present invention includes the step of grid division, the step of obtaining crowdsourcing fingerprints, the step of crowdsourcing fingerprint splitting, the step of judging the number of crowdsourcing fingerprints, the step of AP screening, the step of directly constructing grid fingerprints and the step of fingerprint surface fitting.
[0097] As an embodiment of the present invention:
[0098] (1) Grid division steps:
[0099] Establish a plane Cartesian coordinate system, such as figure 2 As shown, the planar target area is divided into 6 classrooms and 1 corridor according to its physical structure, a total of 7 non-overlapping functional areas, among which the area of odd-numbered classrooms is 10.5×9.56m 2 , the even-numbered classrooms each have an area of 10.5×7.76m 2 , the corridor area i...
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