Driving Assistance Image Opacity Adjustment for Visibility
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Solution Overview
Problem
In existing display control techniques for driving assistance, important elements can be obscured by the vehicle image, leading to incomplete or unclear information being displayed to the driver.
Innovation Solution
A driving assistance device with a converter, combining section, and adjuster that converts and combines images to create a driving assistance image, allowing the opacity of the vehicle image to be adjusted based on vehicle surrounding and running conditions, ensuring critical information is visible.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the vehicle image is superimposed on the combined image to indicate vehicle position and shape, then the driver can understand the vehicle's location in the surrounding environment, but important elements on the combined image may be obscured and not displayed
Solution Approach 1:
The patent changes the transparency parameter of the vehicle image dynamically. The transparency is adjusted based on detection results from imaging devices and recognition processors. When important elements are detected in areas where the vehicle image would be superimposed, the transparency of the vehicle image in those areas is reduced or set to zero, ensuring the important elements remain visible while still providing vehicle position information in other areas.
2Illumination intensity
If the vehicle image is displayed with high opacity to ensure clear vehicle position indication, then the vehicle's position and shape are clearly visible, but the target image containing important driving information becomes less visible
Solution Approach 1:
The patent applies different transparency values to different regions of the vehicle image based on local conditions. The recognition processor detects important elements in the combined image, and the transparency of the vehicle image is adjusted locally in the areas where these important elements are located. This allows the vehicle image to maintain high visibility in areas without important elements while becoming transparent in areas containing critical driving information.
3Duration of action of stationary object
If the vehicle image is always displayed to provide continuous position feedback, then the driver maintains awareness of vehicle location, but the display may show incomplete or unclear information when important elements need to be highlighted
Solution Approach 1:
The patent makes the vehicle image display dynamic rather than static. The transparency of the vehicle image changes over time based on real-time detection and recognition results. The system continuously monitors the combined image for important elements and adjusts the vehicle image transparency accordingly, ensuring that the display adapts to changing conditions and always prioritizes the presentation of complete and accurate driving assistance information.
Data Source
AI summary
A driving assistance device converts an image captured by an in-vehicle camera configured to image the periphery of a vehicle into an image viewed from a virtual viewpoint. The driving assistance device combines, as a higher-level layer, a vehicle image indicating the position and shape of the vehicle with a converted target image. The driving assistance device adjusts the opacity of the vehicle image such that the target image as a lower-level layer is visible at a superimposed portion of the vehicle image and the target image. At this point, the opacity of the vehicle image is variably set according to at least one of an own vehicle surrounding condition or a vehicle running condition. The driving assistance device outputs, as a driving assistance image, the target image combined with the adjusted vehicle image.