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Method for mitigating radar sensor limitations with video camera input for active braking for pedestrians

A radar sensor, camera technology, applied to instruments, utilizing re-radiation, reflection/re-radiation of radio waves, etc., can solve problems such as difficulty in determining the possibility of collision

Active Publication Date: 2017-03-22
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, even with modern image detection and recognition techniques, it is difficult to determine the likelihood of a collision based only on video detection systems

Method used

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  • Method for mitigating radar sensor limitations with video camera input for active braking for pedestrians
  • Method for mitigating radar sensor limitations with video camera input for active braking for pedestrians
  • Method for mitigating radar sensor limitations with video camera input for active braking for pedestrians

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Embodiment Construction

[0018] Before any embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and arrangement of components set forth in the following description or illustrated in the following drawings. The invention is capable of other embodiments and of being practiced or carried out in various ways.

[0019] It should be noted that the term electronic control unit refers to a hardware-based control circuit integrated within an automotive electronic control unit for executing instructions to implement the methods described herein. For example, an electronic control unit may include a microprocessor, microcontroller, or other computing device. The electronic control unit may include one or more electronic control units, one or more memory modules including non-transitory computer readable media, one or more input / output interfaces, and various connections to connect components (e.g., system...

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Abstract

A pedestrian collision avoidance system for a vehicle including a radar sensor, a video camera, and an electronic control unit (ECU) is provided. The ECU detects an object in the video information and classifies the object as a pedestrian based on a comparison of the video information with a database. The ECU determines a distance to the pedestrian based on the radar information and determines a characteristic of the pedestrian based on the video information, the distance, and the database. When the pedestrian ceases to be detected by the radar sensor, the ECU determines an updated distance to the pedestrian based on the video information and the characteristic of the pedestrian. The ECU determines whether a potential for collision exists between the vehicle and the pedestrian based in part on the distance to the pedestrian, and when the potential for collision is present, the ECU activates an automatic vehicle response.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Patent Application No. 62 / 029,227, filed July 25, 2014, the entire contents of which are hereby incorporated by reference. technical field [0003] The present invention relates to systems and methods for automatic detection of pedestrians with vehicle sensors. Background technique [0004] In modern vehicles, various safety systems are incorporated into the design and construction of the vehicle. Among the safety systems, there are pedestrian detection and response systems, also known as active braking systems for pedestrians. The active braking system for pedestrians automatically senses and detects the presence of pedestrians in the direction of travel of the vehicle. Upon detection, the electronic control unit tracks the pedestrian and continuously assesses whether there is a risk of collision between the vehicle and the pedestrian. If this danger exists, the el...

Claims

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Application Information

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IPC IPC(8): G01S13/86G01S13/93G01S13/931
CPCG01S13/867G01S13/931G01S2013/93185G01S2013/93272G01S2013/93271G01S13/87G01S2013/9323G01S13/66
Inventor T.沃尔海斯O.F.施温特
Owner ROBERT BOSCH GMBH
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