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Indoor person navigation positioning system and method based on camera shooting displacement

A navigation positioning and personnel technology, applied in the field of indoor personnel positioning without GPS coverage, to avoid environmental interference, meet the randomness of emergency positioning, and avoid the effect of magnetic deviation

Inactive Publication Date: 2015-05-20
梁二
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  • Indoor person navigation positioning system and method based on camera shooting displacement
  • Indoor person navigation positioning system and method based on camera shooting displacement
  • Indoor person navigation positioning system and method based on camera shooting displacement

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[0022] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments. But those skilled in the art should know that the following examples are not the sole limitation to the technical solution of the present invention, and any equivalent transformation or modification made under the spirit of the technical solution of the present invention should be considered as belonging to the protection of the present invention scope.

[0023] An indoor personnel navigation and positioning system based on camera displacement provided by the present invention includes a positioning device, which is bound to the heel of the left or right foot of the personnel. The device is internally provided with a wireless transmission module 1 and a DSP digital micro-processing device 2, COMS imaging module 3, and camera 4, such as figure 1 shown.

[0024] The positioning principle of the indoor personnel navigation and positioning system based on...

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Abstract

The invention provides an indoor person navigation positioning system and method based on camera shooting displacement. A person positioning device is bound to the heel part of the left foot or right foot, and comprises a wireless transmission module, a DSP, a COMS imaging module and a camera. A camera shooting module acquires ground images and transmits the ground images into the COMS imaging module for imaging by virtue of a group of optical lenses; the movement track is recorded as a group of coherent images shot at a high speed, the series images are analyzed and processed by virtue of the DSP, and the moving direction and moving distance of a person are judged by analyzing the change of the positions of feature points on the images, so that the person positioning and navigation can be finished. The magnetic disturbance and magnetic deflection problems during indoor positioning navigation and the problem that a displacement error is generated by in-situ vibration of displacement by adopting a step-counting principle are solved. A basic guarantee is provided for the accuracy of final positioning of the person in the indoor environment, and the indoor severe environmental disturbance problem is solved.

Description

technical field [0001] The invention relates to indoor positioning technology, in particular to an indoor personnel positioning method based on camera imaging comparison without GPS coverage. Background technique [0002] In recent years, indoor positioning technology and location-based applications have become a research hotspot. The existing indoor positioning technology is basically divided into three directions: one is base station positioning, mainly using WIFI, ZIGBEE, NFC, RFID, ultra-wideband UWB, Bluetooth, infrared, ultrasonic and other technologies to achieve triangulation positioning principles; the other is geomagnetic inertial navigation Positioning mainly uses geomagnetic sensors to calculate displacement through the principle of direction, acceleration and gyro comprehensive step counting, and calculates altitude through air pressure and temperature for three-dimensional positioning; the other is to use beacon positioning, which mainly uses placing a beacon f...

Claims

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Application Information

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IPC IPC(8): G01C21/00
CPCG01C21/00
Inventor 梁二
Owner 梁二
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