Rear-View Auxiliary Line Overlay for Clear Object Visibility
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Solution Overview
Problem
Existing back view monitor systems for vehicles often superimpose auxiliary lines for reverse driving assistance on images, which can obscure specific objects like pedestrians or bicycles, making it difficult for drivers to recognize them safely during reverse maneuvers.
Innovation Solution
An image generation apparatus that detects specific objects in the rear-view image and adjusts the superposition of auxiliary lines, either removing them or rendering them semi-transparent when overlapping with object locations, to ensure clear visibility of objects and assist safe reverse driving.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If auxiliary lines are superimposed on the rear-view image to assist reverse driving, then reverse driving assistance is improved, but object visibility is worsened due to obscuration
Solution Approach 1:
The patent applies local quality by making the auxiliary line transparency variable depending on the location. Specifically, the auxiliary line is set to be transparent in regions where objects are detected, while maintaining normal opacity in regions without objects. This allows the auxiliary line to provide guidance where needed while remaining invisible where it would obscure important objects.
Solution Approach 2:
The patent implements dynamics by making the auxiliary line transparency adjustable and changeable based on detected object positions. The transparency is not fixed but dynamically modified according to the presence and location of objects in the rear-view image, allowing the system to adapt to different driving scenarios and object configurations.
2Loss of information
If auxiliary lines are made transparent to improve object visibility, then object recognition is improved, but reverse driving guidance is worsened due to reduced line visibility
Solution Approach 1:
The patent resolves this contradiction by applying local quality differently - the auxiliary line maintains normal opacity in regions without detected objects, providing clear guidance, while becoming transparent only in specific regions where objects are detected. This localized transparency adjustment ensures that object recognition is improved without sacrificing overall reverse driving guidance effectiveness.
3Loss of information
If the auxiliary line is completely removed from overlapping regions, then object visibility is improved, but reverse driving assistance is reduced in those regions
Solution Approach 1:
The patent applies partial action by using semi-transparent auxiliary lines instead of completely removing them from overlapping regions. The auxiliary line is partially visible (transparent but not completely invisible), providing some guidance information while still allowing object detection. This partial presence of the auxiliary line balances object visibility with continued driving assistance.
Data Source
AI summary
This image generation device is provided with: an image acquisition unit that acquires a rear-side image of the rear side of a vehicle; and an image generation unit. When the rear-side image includes an overlapped portion where an image region, in which an auxiliary line for assisting in the backward driving of the vehicle is overlaid, overlaps an image region in which a specific target is positioned, the image generation unit generates, in at least the overlapped portion, an image in which the auxiliary line is not overlaid or is overlaid in a semi-transparent state; and when the rear-side image does not include the overlapped portion, the image generation unit generates an image in which the auxiliary line is overlaid on the rear-side image.