Vehicular Navigation Display Controller Resolution Threshold
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Vehicular navigation systems cannot simultaneously display navigation images and external input images due to limitations in image resolution, leading to driver inconvenience and potential distraction.
Innovation Solution
A vehicular navigation apparatus with a controller that adjusts image sizes based on input image resolution, allowing simultaneous display of navigation and input images when the resolution meets a reference threshold, and prioritizes navigation image display when the resolution is below a minimum threshold to ensure driver safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the navigation device displays only one image at a time (either navigation image or external input image), then the image quality and resolution can be maintained, but the driver convenience deteriorates as the driver cannot view both images simultaneously
Solution Approach 1:
The display screen is divided into multiple regions to simultaneously display the navigation image and external input image. The controller allocates different areas of the display screen to different image sources, allowing both images to be viewed at the same time without interfering with each other's quality.
Solution Approach 2:
The navigation image and external input image are merged into a single display output by the controller. Both images are processed and combined in the control unit, which manages their simultaneous presentation on the display screen according to resolution criteria and spatial arrangement.
2Ease of operation
If the navigation device displays both navigation image and external input image simultaneously, then driver convenience improves, but the image resolution and quality deteriorate due to screen space limitations
Solution Approach 1:
Different regions of the display screen are allocated different image content based on their importance and resolution requirements. The controller determines the appropriate display region for each image type, ensuring that each image receives adequate display space and maintains appropriate quality for its function.
Solution Approach 2:
The controller dynamically adjusts display parameters such as image size, position, and resolution allocation based on the external input image's resolution characteristics. When the external image meets minimum resolution thresholds, it is displayed with appropriate scaling and positioning to maintain quality while sharing screen space with the navigation image.
3Ease of operation
If the navigation device displays low-resolution external input images, then driver convenience improves by allowing simultaneous display, but driver safety deteriorates due to potential distraction from poor quality images
Solution Approach 1:
The controller performs preliminary evaluation of the external input image's resolution before allowing simultaneous display. By checking resolution thresholds in advance, the system prevents low-quality images from being displayed, thereby avoiding potential driver distraction and safety issues before they can occur.
Solution Approach 2:
The control unit continuously monitors the resolution characteristics of external input images and adjusts display behavior accordingly. When resolution criteria are not met, the system provides feedback by suppressing simultaneous display, ensuring only images of sufficient quality are presented to the driver.
Data Source
AI summary
A vehicular navigation apparatus may include: an input unit configured to receive an image; a display unit configured to display at least one of a navigation image and an input image; and a controller configured to receive the image from the input unit and to control operation of the display unit. Upon receiving the image from the input unit, the controller may be configured to extract a resolution of the input image and to determine whether the resolution of the input image is less than or equal to a reference resolution, and when the resolution of the input image is less than or equal to the reference resolution, the controller may be configured to control the operation of the display unit so as to simultaneously display the navigation image and the input image.