Rotating Multi-Camera Module for High-Resolution Image Synthesis
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Solution Overview
Problem
Existing image acquisition apparatuses face challenges in acquiring high-resolution images due to limitations in sensor technology, particularly with two-dimensional image sensors that struggle with capturing images with high quality, especially when receiving light through red, green, and blue color filters.
Innovation Solution
An image acquisition apparatus featuring a rotatable camera module with multiple main camera modules arranged radially, each capturing partial images that overlap, which are then synthesized using an image processing unit to form a high-resolution image, along with a preview camera module for acquiring a preview image of the entire object.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a two-dimensional image sensor is used to acquire images, then the entire image can be acquired through one photographing operation, but the image quality is relatively disadvantageous due to light transmission through red, green, and blue color filters
Solution Approach 1:
The patent divides the image acquisition process into multiple sequential photographing operations, capturing different color components (red, green, blue) separately through multiple shots rather than simultaneously through color filters. This segmentation allows each component to be captured with higher precision while maintaining efficient acquisition through automated processing.
Solution Approach 2:
The patent employs periodic photographing operations to capture different color components in sequence. By taking multiple periodic shots with different color filters or at different wavelengths, the system achieves high-quality color image acquisition without the limitations of simultaneous color filter transmission.
2Measurement precision
If multiple main camera modules are arranged radially and rotated to capture partial images, then high-resolution images can be acquired through synthesis, but the device complexity increases
Solution Approach 1:
The patent divides the high-resolution image acquisition task into multiple partial images captured by separate camera modules arranged radially. Each camera module captures a specific sector, and the final high-resolution image is synthesized by combining these segmented partial images, achieving high resolution without requiring a single complex sensor.
Solution Approach 2:
The patent transitions from a single-camera two-dimensional sensor approach to a multi-camera radial arrangement, adding the dimension of spatial distribution. By arranging cameras radially and rotating the assembly, the system captures images from multiple angular positions, enabling high-resolution synthesis through multi-dimensional data integration.
3Measurement precision
If a line image sensor is used to acquire images, then high resolution can be achieved by scanning light perpendicular to the movement direction, but the acquisition time increases due to sequential scanning
Solution Approach 1:
The patent segments the image acquisition process into multiple parallel photographing operations using multiple camera modules instead of sequential line scanning. Each camera module captures a portion of the image simultaneously, eliminating the time-consuming sequential scanning process while maintaining high resolution through later synthesis of the segmented images.
Solution Approach 2:
The patent merges multiple partial images captured simultaneously by radially arranged camera modules into a single high-resolution image through synthesis processing. This combining approach replaces the sequential line scanning method with parallel capture and post-processing integration, significantly reducing acquisition time while preserving resolution.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enables the acquisition and printing of high-resolution images without reducing image quality, allowing for efficient image formation and printing on a recording medium with improved resolution and size, utilizing a stitching algorithm to combine partial images effectively.
Implementation Method 1
imaging devices for detecting light to generate electric charges
Data Source
AI summary
An apparatus includes a main body having a stage on which an object to be scanned is supported; a camera module that acquires partial images by photographing a part of the object to be scanned; a rotational body in which the camera module is installed and which is rotatably provided; a driving unit that controls a rotational motion of the rotational body; and an image processing unit that forms a synthesized image by synthesizing the partial images acquired by the camera module, the apparatus capable of acquiring an image with high resolution.