Image Output Method for Variable Aspect Ratio Displays
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Solution Overview
Problem
Image output devices face challenges in displaying video content across screens with different aspect ratios, leading to partial image display, distortion, or objects being inadvertently hidden or revealed due to the variability in screen aspect ratios, especially in games where player interactions dynamically change the screen content.
Innovation Solution
An image output method that divides the display screen into predefined areas based on its aspect ratio, generating and outputting images specifically for each area to ensure efficient use of the screen space without distortion, by defining division patterns that maintain similar shapes and update frequencies for main and sub areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If image output devices use traditional display methods (letterbox, pan-and-scan, or squeeze) to accommodate different aspect ratios, then the display can be adapted to various screen sizes, but the images become distorted or only partially displayed
Solution Approach 1:
The display screen is divided into multiple regions (first display region and second display region) with different aspect ratios. The first display region displays the main video content in its original aspect ratio without distortion, while the second display region fills the remaining space with additional content or adjusted imagery. This segmentation allows the system to maintain image accuracy while adapting to different screen aspect ratios.
2Adaptability or versatility
If games are programmed to predict every player instruction and test with different aspect ratios, then display compatibility improves, but the development effort and time increase significantly
Solution Approach 1:
The system dynamically determines the aspect ratio of the display device and automatically adjusts the division pattern of the display screen accordingly. The control unit receives information about the display device's aspect ratio and selects an appropriate division pattern from multiple predefined patterns, enabling the game to adapt to different screens without requiring extensive reprogramming or testing for each aspect ratio.
3Manufacturing precision
If the view clip is modified to output distortion-free images on the entire display screen, then image quality improves, but objects that should be hidden may inadvertently appear or adjacent cars may disappear
Solution Approach 1:
Different regions of the display screen are assigned different functions and quality requirements. The first display region maintains the original aspect ratio and displays critical game content with high fidelity, while the second display region uses scaled or adjusted imagery to fill remaining space. This local differentiation ensures that important game elements remain visible and consistent while still utilizing the entire screen effectively.
Data Source
AI summary
First and second division patterns are defined so that main areas A and A′ are similar to each other in shape, having the same horizontal-to-vertical ratio. Even if an image output apparatus is connected to a display unit having both first and second display screens, the image output apparatus generates an identical image for the main area A or A′ regardless of the aspect ratio of the display screen. The main areas A and A′ display important information and the like. Sub areas B and B′ display auxiliary information. The first and second division patterns may be determined so that the sub areas B and B′ are similar to each other in shape like the main areas.