Vehicle-mounted panoramic around view calibration system and method

A panoramic view and calibration system technology, applied in the fields of vehicle navigation, automotive electronics, and vision systems, can solve the problems of optimization, low calibration accuracy, and no calibration result inspection link, so as to improve calibration accuracy, calibration accuracy, and calibration efficiency. and the effect of applicability

Active Publication Date: 2016-05-25
SHANGHAI OUFEI INTELLIGNET VEHICLE INTERNET TECH CO LTD
View PDF7 Cites 35 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] 1. The calibration algorithm based on this patent document has low calibration accuracy
[0013] 2. The patent document does not provide the calibration result inspection link in the present invention
[0020] 1. This patent docume

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Vehicle-mounted panoramic around view calibration system and method
  • Vehicle-mounted panoramic around view calibration system and method
  • Vehicle-mounted panoramic around view calibration system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0068] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0069] A calibration system for a vehicle-mounted panoramic view provided according to the present invention includes the following devices:

[0070] Feature extraction device: used to extract images containing features from the images collected by the panoramic view system, which are recorded as feature images;

[0071] Feature parameter extraction device: used to extract useful information of features from the feature images;

[0072] Calibration parameter optimization device: used to optimize the ca...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The present invention provides a vehicle-mounted panoramic around view calibration system and method. The method comprises: extracting an image containing a feature object from images acquired by a panoramic around view system, and marking the image as a feature object image; extracting feature object useful information from the feature object image; according to the feature object useful information, optimizing a calibration parameter; and verifying accuracy of a calibration result, wherein the calibration result refers to a calibration parameter obtained by optimization. According to the system and method provide by the present invention, optimization of the calibration parameter is taken as an optimization problem, and an error function based on a multi-camera feature projection error, so as to indicate a calibration error under a current optimization result, so that calibration is more accurate and rapider, and calibration precision of the panoramic around view system is improved; and calibration can be optimized and corrected by using an artificial marker or a non-artificial marker, so that calibration efficiency and applicability of the panoramic around view system are improved.

Description

technical field [0001] The invention relates to the fields of automotive electronics, visual systems, and vehicle navigation, and in particular, relates to a calibration system and method for a vehicle-mounted panoramic view. Background technique [0002] The panoramic surround view system installs multiple fisheye cameras around the vehicle, and uses the on-board processor to process the multi-channel video images obtained, so as to provide the driver with a vision around the vehicle, thereby improving driving safety. Since the panoramic view system contains multiple cameras (generally greater than or equal to 4), the pose calibration between cameras and between the camera and the car is a key link in the system. The accuracy and convenience of the calibration system directly determine the panoramic view system. effect and convenience. [0003] For different scenarios, the surround view system generally adopts different calibration methods. For example, when the vehicle is...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G06T7/00
CPCG06T2207/30244G06T2207/30248
Inventor 蒋如意段勃勃马光林于萌萌
Owner SHANGHAI OUFEI INTELLIGNET VEHICLE INTERNET TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap