Perspective-Corrected Surroundings Model for Vehicle Imaging
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Solution Overview
Problem
Existing vehicle surroundings models fail to accurately display regions relevant for driving, leading to potential collisions due to perspective errors, which can mislead drivers and driver assistance systems.
Innovation Solution
A method and system that project camera images onto a three-dimensional surroundings model, correcting for perspective by using a virtual camera that can move freely, ensuring the marked region for driving is accurately represented on a projection surface, preventing aberration effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If camera pictures are projected onto a projection surface in the three-dimensional surroundings model, then the image representation is enhanced, but perspective errors occur that mislead the driver about the correct location of regions relevant for driving
Solution Approach 1:
The patent transitions from two-dimensional camera images to a three-dimensional surroundings model, projecting camera pictures onto a projection surface within the 3D model. This dimensional transformation allows for accurate spatial representation of regions relevant for driving while maintaining perspective correctness through the virtual camera's position and alignment data.
Solution Approach 2:
The patent introduces a virtual camera as an intermediary between the actual camera devices and the projection surface. The virtual camera's position and alignment serve as a mediator to calculate correct projection transformations, ensuring that regions relevant for driving are displayed at their accurate locations without perspective distortion.
2Adaptability or versatility
If the virtual camera is allowed to move freely in the surroundings model, then flexible image perspectives can be generated, but the complexity of the system increases
Solution Approach 1:
The patent creates a virtual copy of a camera within the three-dimensional surroundings model. This virtual camera can be positioned and oriented freely to generate different image perspectives without requiring physical camera movement. The virtual camera copies the essential functions of actual cameras while eliminating mechanical complexity.
Solution Approach 2:
The patent replaces the mechanical movement of physical cameras with computational manipulation of a virtual camera's position and alignment parameters. Instead of physically moving cameras to achieve different perspectives, the system uses mathematical transformations based on the virtual camera's coordinates, substituting mechanical complexity with computational efficiency.
Data Source
AI summary
In a method of producing images of a stored three-dimensional model of the surroundings of a vehicle, the images are corrected for perspective. A camera picture is produced by a camera device of the vehicle, and is projected onto a projection surface in the surroundings model. A region relevant for driving is marked in the surroundings model and is projected onto a corresponding projection surface area of the projection surface. An image of the projection surface including the driving-relevant region projected onto the projection surface area is produced and output by a virtual camera that can move freely in the surroundings model.