Dual Camera Image Resolution Enhancement via Superimposition
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Solution Overview
Problem
Wide-angle camera devices face a limitation in image resolution due to the need to cover a wider field of view with limited pixels, resulting in reduced image quality.
Innovation Solution
A dual-camera architecture is proposed, where a wide-angle camera captures a first image and an auxiliary camera with a narrower field of view captures a second image, synchronized to enhance the first image by superimposing the second image on the corresponding portion, thereby improving the resolution of the wide-angle image.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a wide-angle camera is used to capture a wider field of view, then the field of view is improved, but the image resolution is reduced
Solution Approach 1:
The patent combines images from multiple cameras (wide-angle camera and auxiliary camera(s)) to create a composite image that achieves both wide field of view and high resolution. The controller merges the wide-angle image with high-resolution images from auxiliary cameras positioned at different angles, thereby resolving the contradiction between broad coverage and detailed quality.
Solution Approach 2:
The controller acts as an intermediary that processes and integrates images from multiple sources. It identifies corresponding regions between the wide-angle image and auxiliary images, then selectively replaces or enhances portions of the wide-angle image with higher-resolution data from auxiliary cameras, achieving both wide coverage and high detail where needed.
2Area of stationary object
If limited pixels are used to cover a wider area, then the field of view is improved, but the image quality is reduced
Solution Approach 1:
Multiple camera images are merged to provide both wide coverage and high image quality. The auxiliary cameras capture high-resolution images of specific areas, which are then combined with the wide-angle coverage image to produce a final image that maintains both extensive coverage and superior quality in key regions.
Solution Approach 2:
The patent applies different quality levels to different regions of the final image. High-resolution auxiliary images are used to enhance specific local areas of interest, while the wide-angle camera provides adequate quality for broader regions. This allows optimal image quality where needed without sacrificing overall coverage.
Data Source
AI summary
An image processing apparatus including a wide-angle camera, an auxiliary camera, and a controller is provided. The wide-angle camera has a first Field Of View (FOV), and captures a first image of a first area of a scene. The auxiliary camera has a second FOV which is narrower than the first FOV, and captures a second image of a second area of the scene. In particular, the wide-angle camera and the auxiliary camera are disposed on the same surface of the image processing apparatus, and synchronized to capture the first image and the second image, respectively. The controller determines a portion of the first image, which corresponds to the second area of the scene, and superimposes the second image on the portion of the first image to generate an enhanced image.