Vehicle Image Display Apparatus with Distinct Vanishing Points
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Solution Overview
Problem
Existing image display apparatuses for vehicles struggle to intuitively convey the distance between the vehicle and objects in synthesized images captured by multiple cameras, making it difficult for occupants to determine if objects are distant or close.
Innovation Solution
An image display apparatus comprising a first imaging device for the rear, a second imaging device for the rear and side, and a synthesizing device that generates a synthesized image with distinct vanishing points for each image, allowing the occupant to perceive depth differences and thus determine object distance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the synthesized image is generated so that the border between the rear image and each of the left image and the right image smooths, then the image quality and continuity are improved, but the occupant's ability to perceive distance between the vehicle and objects deteriorates
Solution Approach 1:
The synthesized image is divided into multiple regions corresponding to different camera images (rear, left, right). Each region maintains its original vanishing point position, creating visual segments that help occupants distinguish distance zones. The segmentation allows each camera's perspective to be preserved while combining them into a unified display.
Solution Approach 2:
The patent intentionally maintains asymmetric vanishing point positions for different camera images within the synthesized image. Instead of aligning all vanishing points to a common position (which would create symmetry and improve continuity), the asymmetric arrangement preserves the distinct perspective of each camera, enabling better distance perception through varied visual cues.
2Measurement precision
If multiple camera images are synthesized with different vanishing points, then the depth perception and distance information are improved, but the image integration and visual coherence deteriorate
Solution Approach 1:
The patent handles the conflict between different vanishing points by treating each camera image as a separate dimensional layer in the synthesized composition. Rather than forcing all images into a single vanishing point perspective (2D alignment), the system maintains the 3D spatial relationships of each camera independently, allowing depth information to be preserved while integrating images through careful positioning and border management.
Data Source
AI summary
An image display apparatus has: a first imaging device (11B) for imaging an area on the rear of a vehicle (1); a second imaging device (11BL, 11BR) for imaging an area on the rear and side of the vehicle; a synthesizing device (12) for generating a synthesized image in which a first image captured by the first imaging device and a second image captured by the second imaging device are adjacent to each other and a vanishing point of the first image in the synthesized image is different from a vanishing point of the second image in the synthesized image; and a displaying device (13) for displaying the synthesized image.