Vehicle Surround-View Display Switching for Towing Visibility
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Solution Overview
Problem
Existing surrounding monitoring devices do not optimally adjust the displayed bird's eye view image based on whether a vehicle is in a towing state or not, making it difficult for users to effectively check the surroundings in both towing and non-towing conditions.
Innovation Solution
A controller and display system that includes a state determination unit to identify the towing state and an image generation unit to generate and display first and second bird's eye view images, where the second image shows a larger surrounding area when the vehicle is towing, enhancing visibility of the vehicle and its surroundings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed bird's eye view image is displayed regardless of towing state, then the display system is simple, but the visibility of surrounding area is insufficient when towing
Solution Approach 1:
The display system dynamically switches between first and second bird's eye view images based on the vehicle's towing state. The image generation unit changes the displayed view from a standard perspective to an expanded perspective that shows a larger surrounding area when towing is detected, making the system adaptive to different operational conditions without adding permanent complexity
Solution Approach 2:
The system changes the display parameter (surrounding area coverage) based on the towing state. When the vehicle is determined to be in a towing state, the second bird's eye view image with expanded surrounding area is displayed; otherwise, the first bird's eye view image is shown. This parameter adjustment resolves the contradiction by optimizing visibility only when needed
2Reliability
If a larger surrounding area is always displayed, then visibility is improved, but the display is unnecessarily complex when not towing
Solution Approach 1:
The display adapts its characteristics based on real-time detection of towing state. The image generation unit switches between display modes dynamically - showing the expanded second bird's eye view image with larger surrounding area only when towing is detected, and the standard first bird's eye view image when not towing, optimizing the display for each operational context
Solution Approach 2:
The system adjusts the display parameter (surrounding area coverage) conditionally based on towing state detection. This selective parameter change ensures that the enhanced visibility features are activated only when necessary, avoiding unnecessary complexity during normal non-towing operations while maintaining optimal situational awareness when towing
3Reliability
If the bird's eye view image is switched based on towing state, then visibility is optimized, but the system complexity increases
Solution Approach 1:
The image generation unit implements dynamic switching between two pre-configured bird's eye view images based on towing state detection. This dynamic adaptation optimizes surroundings check accuracy by providing the appropriate view for each operational mode while maintaining manageable system complexity through predetermined image configurations rather than real-time generation
Solution Approach 2:
The system changes the displayed image parameters (surrounding area coverage) based on the detected towing state. By preparing both first and second bird's eye view images in advance with different surrounding area configurations, the system achieves optimized surroundings visibility without the complexity of generating new images dynamically, simply switching between pre-configured options
Data Source
AI summary
A controller includes a state determination unit and an image generation unit. The state determination unit determines whether a vehicle is in a towing state. The image generation unit generates a bird's eye view image from surrounding images of a surrounding area of the vehicle, and display the bird's eye view image on a display. The bird's eye view image includes a first bird's eye view image and a second bird's eye view image. The surrounding area in the second bird's eye view image is larger than the surrounding area in the first bird's eye view image. The image generation unit displays the first bird's eye view image upon the state determination unit determining that the vehicle is not in the towing state, and displays the second bird's eye view image upon the state determination unit determining that the vehicle is in the towing state.