Panoramic vision-based wireless charging alignment relative pose calculation method

A relative pose, wireless charging technology, applied in charging stations, electric vehicle charging technology, computing and other directions, can solve the problems of inability to deploy on-board embedded systems and industrialization, to avoid driving risks and improve operability , the effect of reducing security risks

Pending Publication Date: 2020-11-20
HARBIN INST OF TECH
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The two are less affected by the interference of the magnetic field or the sensors, and cannot be well combined with the wireless charging method.
However, this method cannot be deployed to a simple vehicle-mounted embedded system, and cannot be industrialized

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  • Panoramic vision-based wireless charging alignment relative pose calculation method

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specific Embodiment 1

[0031] according to figure 1 As shown, the present invention provides a relative pose calculation method for wireless charging alignment based on panoramic vision, specifically:

[0032] A relative pose calculation method for wireless charging alignment based on panoramic vision, comprising the following steps:

[0033] Step 1: Obtain the visual image of the parking space, and divide the ROI image area according to the obtained visual image of the parking space;

[0034] Described step 1 is specifically: obtain vehicle position image data by panoramic camera, described panoramic camera transmits image data to USB acquisition card, image data is converted into digital signal, main control PC terminal control controls panoramic camera by open source vision storehouse OpenCV Take an image and store it in a designated directory, and divide the ROI image area; the ROI area is an area where redundant body information is cut off by a fixed area method, and image processing is perfor...

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Abstract

The invention relates to a panoramic vision-based relative pose resolving method for wireless charging alignment and relates to the technical field of electric vehicle wireless charging alignment. Themethod comprises steps of obtaining a parking space visual image, and dividing an ROI image region according to the obtained parking space visual image; preprocessing the image area according to thedivided ROI image area, and filtering noise; segmenting and reserving a parking space area according to the preprocessed interested image area, and performing mark line detection on the parking spacearea; according to the detected parking space area marking lines, transformation processing being carried out, a parking area being positioned, and corner point information being obtained, and solvingthe relative pose of the vehicle according to the angular point information, and determining the relative pose of the vehicle. The method provided by the invention is based on panoramic vision, operability of a driver to a driving system can be improved, the driving risk caused by a blind area of the driver is avoided, and the potential safety hazard is reduced.

Description

technical field [0001] The invention relates to the technical field of electric vehicle wireless charging alignment, and relates to a relative pose calculation method for wireless charging alignment based on panoramic vision. Background technique [0002] In order to promote the development of the new energy automobile industry, combine the leadership of technological innovation with the cultivation of strategic emerging industries. The rapid and vigorous development of the electric vehicle industry has achieved world-renowned achievements and has become an important force leading the transformation of the world's automobile industry. However, due to the limited battery capacity of electric vehicles, and the current charging facilities are not yet complete, the charging problem of the magnetic coupling mechanism hampers the development prospects of the field of electric vehicles. The difficulty that needs to be overcome in the field of wireless charging is how to accurately ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/11G06T7/13G06T7/136G06T7/73G06T7/90B60L53/12B60L53/126
CPCB60L53/12B60L53/126G06T2207/20032G06T2207/20061G06T2207/20164G06T2207/30252G06T7/11G06T7/13G06T7/136G06T7/74G06T7/90Y02T10/70Y02T10/7072Y02T90/14
Inventor 李永强杨晓宇宋凯朱春波赵永平牛可通
Owner HARBIN INST OF TECH
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