Visible light positioning method and positioning system based on image combination
A technology of image combination and positioning system, applied in positioning, radio wave measurement system, instrument, etc., can solve the problems of difficult positioning of positioning system, different arrangement density of visible light sources, etc., and achieve the effect of high positioning accuracy
Active Publication Date: 2022-06-07
CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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[0003] However, the arrangement density of visible light sources in different spaces is different, and the device for collecting visible light signals may not be able to collect enough visible light signals for positioning in different scenes. A positioning method that can be widely applied to different visible light scenes
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[0060] The present invention is described in further detail below in conjunction with the accompanying drawings and specific embodiments:
[0061] like figure 1 As shown, a visible light positioning method based on image combination, the specific steps are as follows:
[0062] S1, establish a visible light positioning scene: such as figure 2 As shown, one side in the positioning space is a visible light emitting surface, and M visible light sources 1 are arranged on the visible light emitting surface, and the content of the arrangement is the positioning map P, and a positioning camera 21 for dynamic collection is set on the front side of the visible light emitting surface, The positioning camera 21 collects images toward the visible light emitting surface;
[0063] S2, the positioning camera 21 collects images in real time, and when the positioning camera 21 collects the area A i of the acquired image B i When there are less than enough visible light sources a for positi...
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The invention discloses a visible light positioning method based on image combination. When the captured image of the positioning camera is less than the number of visible light sources sufficient for positioning, the positioning camera changes the capture area to obtain a supplementary area outside the edge of the original capture area to generate a combined capture image. Enabling the positioning camera to collect sufficient visible light signals; a positioning system, comprising a visible light source arranged on the top surface of the scene, the top surface being a visible light emitting surface, and a positioning device for collecting optical signals of the visible light source, the positioning device It is equipped with a positioning camera, a motion mechanism and an arithmetic unit. Beneficial effects: when the visible light signal acquisition device does not have enough positioned visible light signals, the acquisition device is ordered to change the acquisition area, and combine the changed acquisition area into the acquisition area of the previous state to form an expanded acquisition area, based on the expanded acquisition area Perform positioning so that the positioning system can adapt to scenes with different visible light source densities, and the positioning accuracy is high.
Description
technical field [0001] The invention relates to the technical field of visible light positioning, in particular to a visible light positioning method and positioning system based on image combination. Background technique [0002] Visible light positioning is a new positioning technology. The position information obtained based on visible light signals has broad application prospects in indoor spaces, especially in spaces where GPS signals or network signals are blocked. Visible light positioning can provide users with accurate position information. [0003] However, the arrangement density of visible light sources in different spaces is different, and the device for collecting visible light signals may not be able to collect enough visible light signals for positioning in different scenarios. Therefore, it is difficult to apply the same positioning system to each independent scene for positioning. A localization method that can be widely applied to different visible light s...
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IPC IPC(8): G01S5/16
CPCG01S5/16
Inventor 吴英翟渊柏俊杰向毅张小云邓乙平吴晨光侯松冉川渝
Owner CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY