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Parking obstacle detection method and device

An obstacle and parking technology, applied in the field of parking obstacle detection and parking obstacle detection device, can solve the problem of inability to distinguish between real obstacles and false obstacles, false alarms of parking assistance systems, and influence on driving To avoid traffic accidents, to calculate accurately, and to achieve a wide range of applications

Pending Publication Date: 2021-10-26
STEELMATE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing parking assistance system cannot distinguish between real obstacles and false obstacles, causing false alarms in the parking assistance system, which affects the driving of the car driver.

Method used

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  • Parking obstacle detection method and device
  • Parking obstacle detection method and device
  • Parking obstacle detection method and device

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Embodiment Construction

[0050] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are examples, and are only for explaining the present invention and should not be construed as limiting the present invention.

[0051] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements and / or components, but does not preclude the presen...

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Abstract

The invention provides a parking obstacle detection method and device. The method comprises the following steps of: starting an ultrasonic sensing device to collect and obtain multiple sets of obstacle distance information; solving a difference value between each piece of distance data in the next group of obstacle distance information and one piece of distance data in the previous group of obstacle distance information; screening out candidate difference values within the dynamic range from the difference values; screening out the candidate difference value with the minimum later distance data from the candidate difference values to serve as a target candidate difference value, and determining the front distance data and the rear distance data corresponding to the target candidate difference value as dynamic trajectory data of the nearest obstacle; and outputting alarm information according to the dynamic trajectory data. According to the parking obstacle detection method, multiple sets of obstacle distance information can be collected, real obstacles and false obstacles can be screened out, two pieces of dynamic trajectory data of the real obstacle closest to the automobile are obtained, and warning information is output according to the dynamic trajectory data of the closest obstacle to assist a driver in parking operation.

Description

technical field [0001] The invention belongs to the technical field of automobile safety, and in particular relates to a parking obstacle detection method and a parking obstacle detection device. Background technique [0002] With the development of social economy and industrial technology, automobiles, as a modern product that promoted the previous leap forward of human civilization, have gradually become people's daily necessities and one of the most common means of transportation in today's society. In the process of driving a car, parking behavior is an indispensable operation in the process of using a car, but because the parking behavior is relatively complicated, accidents are prone to occur. Therefore, automobile manufacturers have designed parking assistance systems for automobiles to detect whether there are obstacles around the automobile when parking, and remind the driver of the existence of obstacles in time to reduce or avoid parking accidents and improve the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S15/931G01S15/08G01S7/537
CPCG01S15/931G01S15/08G01S7/537
Inventor 李安培丁陈宙张剑伟王敏
Owner STEELMATE CO LTD
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