Rear-View Display Cropping Control for Wider Turning Visibility
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Solution Overview
Problem
Existing vehicle rear-view monitoring systems cannot effectively enlarge the cropping area of captured images, making it difficult to check the rearward area of a vehicle.
Innovation Solution
A display control device that includes an obtainer to obtain a vehicle's driving status, a determiner to decide if an image should be enlarged based on the status, and a controller to enlarge the cropping area and display the enlarged image on the vehicle's display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the cropping area is enlarged to display a wider rearward view, then the visibility of the rearward area is improved, but the image resolution and clarity deteriorate
Solution Approach 1:
The patent applies dynamics by making the cropping area adjustable and changeable based on driving status. The cropping area is not fixed but dynamically modified according to vehicle conditions (such as turning left or right), allowing the system to optimize between coverage area and image quality based on real-time needs.
Solution Approach 2:
The patent changes the parameter of cropping area size based on driving status. When the vehicle is turning or in specific driving conditions, the cropping area is enlarged to provide wider visibility, while in normal conditions, the cropping area is maintained at a standard size to preserve image resolution. This parameter adjustment resolves the contradiction between area and resolution.
2Quantity of substance
If multiple images are displayed simultaneously on the monitor screen, then the information coverage is improved, but the detail visibility of each image deteriorates
Solution Approach 1:
The patent extracts and enlarges only the necessary first image (rearward area) when needed, rather than displaying all images at full size simultaneously. By selectively taking out the critical image and enlarging it based on driving status, the system maintains detail visibility for important views while still providing comprehensive monitoring information.
3Area of stationary object
If the cropping area is enlarged to capture more rearward area, then the field of view is improved, but the image quality and sharpness deteriorate
Solution Approach 1:
The system dynamically adjusts the cropping area size based on driving status rather than using a fixed large cropping area. This dynamic adjustment allows the system to maintain high image quality during normal driving while expanding coverage only when necessary for safety reasons, thus resolving the contradiction between field of view and image quality.
Data Source
AI summary
A display control device includes: an obtainer that obtains a driving status of a vehicle; a determiner that determines, on the basis of the driving status obtained by the obtainer, whether to enlarge a first image cropped from a captured image of a rearward area of the vehicle and displayed on a display located in the vehicle; and a controller that, when the determiner determines that the first image is to be enlarged, enlarges the first image by enlarging a cropping area to crop the first image from the captured image, and causes the display to display the enlarged first image.