A factory off-line calibration device for a surround view system

A calibration device and factory technology, applied in transportation, packaging, motor vehicles, etc., can solve the problems of affecting image stitching effect, high calibration environment requirements, complex calibration patterns, etc., to achieve strong scalability, strong anti-interference ability, calibration Accurate results

Active Publication Date: 2020-03-20
DELPHI ELECTRONICS SUZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the assembly deviation of the same model and the installation deviation of the cameras around the body, if a set of fixed parameters is used for 360-degree surround view system image stitching, these deviations will affect the image stitching effect, so offline calibration must be performed to eliminate them The impact of these deviations
The traditional calibration scheme has the following problems: (1) The calibration pattern is complex and difficult to arrange on site; (2) It requires a large calibration site; (3) It has high requirements for the calibration environment
However, the device is expensive, and the position sensor needs to be maintained regularly in the later stage

Method used

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  • A factory off-line calibration device for a surround view system
  • A factory off-line calibration device for a surround view system
  • A factory off-line calibration device for a surround view system

Examples

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Embodiment

[0028] Such as figure 1 A factory offline calibration device for a surround view system is shown, the device includes a calibration platform, a camera 7 and a computing module 8, and the calibration platform includes a calibration plate 1, a white rectangular calibration area 2, a side baffle 3, and a black edge band 4 and vehicle parking location area 5.

[0029] Among them, the calibration board 1 includes four black rectangular calibration boards, which are respectively tiled at the four corners of the calibration area 2; the vehicle parking position area 5 is located in the center of the calibration area 2; , used to block the surrounding environment and prevent environmental interference, thereby greatly reducing the size of the calibration site required, and ensuring that the calibration algorithm can still achieve a 100% pass rate when the calibration environment is not ideal; the black edge band is located at The overall outer edge formed by the calibration area 2 and...

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Abstract

The invention relates to a factory offline calibration device of an around view system. The device comprises a calibration table position, a camera (7) and a calculation module (8), the calibration table position comprises calibration plates (1), a calibration area (2), side baffles (3) and a car parking position area (5), the calibration plates (1) and the car parking position area (5) are located in the calibration area (2), and the side baffles (3) are erected at the two sides of the calibration area (2) and used for blocking the surrounding. The camera (7) is mounted on a car body, and after the car enters the car parking position area (5), the calculation module (8) processes images shot by the camera (7) to complete calibration. Compared with the prior art, during calibration, the device needs a small site dimension, and is high in anti-interference capacity, high in calibration algorithm precision and passing rate and high in extendibility.

Description

technical field [0001] The invention relates to a factory offline calibration device, in particular to a factory offline calibration device of a surround view system. Background technique [0002] With the increase of car ownership and the increasingly complex traffic environment, safe parking has become a difficult problem for drivers. In order to reduce the potential safety risks in the parking process, various auxiliary parking systems have emerged, such as rear-view reversing camera, reversing radar and other systems. These systems can reduce the driver’s parking burden to a certain extent, but there are still unintuitive And can not completely eliminate the defects of blind spots. The 360-degree surround view system uses multiple cameras to cover the 360-degree area around the vehicle body to eliminate visual blind spots. At the same time, the 360-degree surround view system seamlessly stitches the images around the vehicle body into a bird's-eye view and presents it t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D65/00
Inventor 于萌萌
Owner DELPHI ELECTRONICS SUZHOU
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