Autonomous Vehicle Pose Validation With Range-Image Classification

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Solution Overview

Problem

Current autonomous vehicle systems require human validation for pose validation, which introduces errors and can lead to dangerous mislocalization, as they may contain false positives, necessitating a method to automate this process.

Innovation Solution

The system employs a high-definition map combined with real-time lidar data for localization, using registration algorithms to align query and reference point clouds, and automated validation through statistical and machine learning methods to determine the accuracy of the autonomous vehicle pose, reducing human error.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If human operators validate autonomous vehicle pose solutions, then validation can be performed with human judgment, but human error may lead to validating false positives and inaccurate pose solutions

Engineering Contradiction:
Improvepose validation accuracyVSAvoidvalidation automation level
Core Design Contradiction:
ReliabilityVSExtent of automation

Solution Approach 1:

The system employs automated validation algorithms that self-validate pose solutions without human intervention. The validation system uses statistical methods and machine learning models to independently assess pose accuracy, eliminating reliance on human operators while maintaining high validation standards through algorithmic self-checking mechanisms

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces the mechanical human validation process with computational algorithms. Statistical validation methods and machine learning models substitute human judgment, using mathematical frameworks to detect false positives and verify pose solutions with consistent, error-free automated decision-making

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Productivity

If automated validation systems are implemented, then validation speed and consistency improve, but system complexity increases

Engineering Contradiction:
Improvevalidation throughputVSAvoidvalidation system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The validation system is segmented into distinct modular components: statistical validation modules that perform specific statistical tests, machine learning validation modules that execute classification algorithms, and integration layers that coordinate these components. This segmentation enables parallel processing of validation tasks, increasing throughput while managing complexity through clear module boundaries and specialized functions

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The automated validation system employs universal algorithms that can validate multiple types of pose solutions across different operating conditions using the same statistical and machine learning frameworks. These multi-functional validation routines handle various sensor configurations and environmental scenarios, reducing overall system complexity by avoiding the need for separate specialized validation systems for each case

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS11861865B2Automated vehicle pose validation
Publication Date: 2024.01.02 VOLKSWAGEN GROUP OF AMERICA INVESTMENTS LLC
  • US11861865B2 patent drawing
  • US11861865B2 patent drawing
  • US11861865B2 patent drawing

AI summary

Disclosed herein are system, method, and computer program product embodiments for automated autonomous vehicle pose validation. An embodiment operates by generating a range image from a point cloud solution comprising a pose estimate for an autonomous vehicle. The embodiment queries the range image for predicted ranges and predicted class labels corresponding to lidar beams projected into the range image. The embodiment generates a vector of features from the range image. The embodiment compares a plurality of values to the vector of features using a binary classifier. The embodiment validates the autonomous vehicle pose based on the comparison of the plurality of values to the vector of features using the binary classifier.