Crowd sensing multi-source information fusion indoor positioning method and crowd sensing multi-source information fusion indoor positioning system
A multi-source information fusion and indoor positioning technology, applied in the field of multi-source information fusion indoor positioning method and system of crowd sensing, can solve the problems of low accuracy of indoor positioning methods, achieve remarkable technical effects, improve positioning accuracy, reduce The effect of positioning costs
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Embodiment 1
[0055] According to an embodiment of the present invention, a crowd sensing multi-source information fusion indoor positioning method is provided, see figure 1 , including the following steps:
[0056] S101: constructing a fingerprint identification database based on group perception;
[0057] S102: Fuse the collected geomagnetic, WiFi and visual image information and locate the target position based on the constructed fingerprint identification database, wherein the image-based small area determination algorithm IBSM and segmented structure automatic are used in locating the target position The algorithm SSAC is adapted to estimate and adaptively calibrate the target position.
[0058] The multi-source information fusion indoor positioning method of crowd sensing in the embodiment of the present invention adopts a fingerprint recognition technology based on crowd sensing, which has remarkable effects, especially for complex infrastructure. In addition, in order to reduce po...
Embodiment 2
[0095] According to another embodiment of the present invention, a crowd sensing multi-source information fusion indoor positioning system is provided, see Figure 11 ,include:
[0096]A fingerprint recognition database construction unit 100, configured to construct a fingerprint recognition database based on group perception;
[0097] The positioning unit 200 is used to fuse the collected geomagnetic, WiFi and visual image information and locate the target position based on the constructed fingerprint identification database, wherein the image-based small area determination algorithm IBSM and A segmented structure adaptive algorithm SSAC is used to estimate and adaptively calibrate the target position.
[0098] The crowd-sensing multi-source information fusion indoor positioning system in the embodiment of the present invention adopts a fingerprint recognition technology based on crowd-sensing, which has remarkable effects, especially for complex infrastructure. In addition...
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