Onboard Display Prioritization for Cluttered Vehicle HUDs
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Solution Overview
Problem
Onboard display systems, particularly head-up displays (HUDs) with limited surface areas, become cluttered when multiple vehicles are present around the host vehicle, distracting occupants with excessive information.
Innovation Solution
An onboard display system that suppresses the display of surrounding objects other than the preceding vehicle in the current traveling lane on the HUD, using a control section to prioritize the display of the first preceding vehicle and emphasize relevant vehicles during events like lane changes, while using different display formats for HUD and meter displays to manage information effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If all surrounding vehicles are displayed on the HUD, then complete information about the environment is provided, but the display becomes cluttered and distracting to the occupant
Solution Approach 1:
The patent extracts and displays only the most relevant surrounding object (the first preceding vehicle in the current lane) on the HUD, separating critical information from less important information. This extraction principle resolves the contradiction by showing complete information about the primary vehicle while omitting other vehicles that would cause clutter.
Solution Approach 2:
The patent applies different display qualities to different vehicles based on their relevance. The first preceding vehicle receives prominent display on the HUD, while other vehicles are either omitted or displayed with reduced emphasis. This local differentiation resolves the contradiction by providing complete information where needed while avoiding clutter in other areas.
2Loss of information
If multiple surrounding objects are displayed on the limited HUD surface area, then comprehensive situational awareness is achieved, but the display region becomes overcrowded and difficult to read
Solution Approach 1:
The patent extracts only the most critical surrounding object (first preceding vehicle) for display on the limited HUD surface area. This extraction allows the system to maintain comprehensive situational awareness of all vehicles while only presenting the essential information that fits within the constrained display region.
Solution Approach 2:
The patent segments the display information by priority, with the first preceding vehicle receiving dedicated HUD display space and other vehicles being excluded or deferred. This segmentation resolves the contradiction by organizing information hierarchically to fit the limited display area while preserving awareness of the most important element.
3Loss of information
If the HUD displays all detected vehicles, then the occupant receives full environmental information, but the occupant's attention is分散ed across multiple objects
Solution Approach 1:
The patent extracts and highlights only the first preceding vehicle on the HUD, removing distracting elements while preserving essential environmental information. This extraction improves ease of operation by enabling the occupant to maintain focus on the most relevant vehicle without being分散ed by other surrounding objects.
Solution Approach 2:
The patent applies enhanced display quality specifically to the first preceding vehicle while minimizing or excluding other vehicles. This local quality differentiation resolves the contradiction by providing full environmental information in the system while ensuring the occupant's attention remains concentrated on the most critical object.
Data Source
AI summary
A MET and a HUD are provided inside a cabin of an host vehicle so as to be capable of being viewed by an occupant. An acquisition section is configured to acquire information regarding surrounding objects around the host vehicle. A control section is configured to suppress display on the HUD of an image of a surrounding object other than a first preceding vehicle traveling ahead in a current traveling lane of the host vehicle from out of images of surrounding objects for which the information has been acquired by the acquisition section. The control section also displays the first preceding vehicle and other surrounding objects on the MET, with display of the other surrounding objects being incrementally toned-down according to their importance level.