Scan-Controlled Eye Illumination for Sharp Composite Imaging
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Solution Overview
Problem
Conventional methods struggle to provide clear and sharp images of the structures within the eye, particularly the cornea and natural crystalline lens, due to over or underexposure in different areas, which affects the clarity and sharpness of the overall image, and there is a need for precise determination of the position and shape of these structures for accurate laser treatment.
Innovation Solution
A system that scans a light beam on specific areas of the eye structures, capturing images with predetermined pixels on a digital camera to create a composite image with optimal illumination for each structure, using a non-coherent light source or an eye-safe laser, and employs calibration techniques to correct for image distortion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional illumination methods are used to capture images of eye structures, then the imaging process is simple, but the resulting images suffer from overexposure or underexposure in different areas, reducing clarity and sharpness
Solution Approach 1:
The patent divides the eye structure into multiple regions of interest (cornea, lens, iris, etc.) and applies separate illumination control to each region. The illumination system scans different areas with optimized lighting parameters specific to each structure, preventing overexposure or underexposure in any single area while maintaining overall image quality.
Solution Approach 2:
The illumination system provides locally optimized lighting conditions for different eye structures by adjusting illumination intensity, duration, and angle specific to each region. This local quality control ensures that each structure receives appropriate illumination without affecting the exposure of other areas, thereby improving overall image clarity.
2Measurement precision
If a single illumination setting is used for all eye structures, then the illumination system is simple to operate, but different structures cannot be optimally illuminated simultaneously, affecting image quality
Solution Approach 1:
The illumination system dynamically adjusts illumination parameters (intensity, duration, angle) based on the specific structure being imaged. The system automatically transitions between different illumination settings as it scans across various eye structures, providing optimal illumination for each region without requiring manual intervention, thus maintaining ease of operation while improving measurement precision.
Solution Approach 2:
The system incorporates feedback mechanisms that monitor the illumination效果和图像质量, automatically adjusting illumination parameters to maintain optimal conditions for determining the position and shape of eye structures. This closed-loop control ensures high measurement accuracy while keeping the operation simple through automation.
3Measurement precision
If conventional imaging captures all structures simultaneously, then the imaging process is fast, but the position and shape of specific structures cannot be precisely determined due to varying illumination conditions
Solution Approach 1:
The imaging process is segmented into multiple scans, each focused on specific eye structures with optimized illumination parameters. By dividing the imaging task into structure-specific segments, the system achieves precise position and shape determination for each structure while maintaining overall imaging efficiency through automated sequential scanning.
Solution Approach 2:
The system employs periodic scanning of different eye structures with tailored illumination parameters for each scan cycle. This periodic action allows the system to capture images of multiple structures with optimal illumination for each, enabling precise measurement of position and shape without significantly compromising overall imaging speed.
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
Enables the creation of clear and sharp composite images of eye structures in real-time, allowing precise determination of their position and shape, enhancing the accuracy of laser treatments by correcting for image distortion and providing optimal illumination.
Implementation Method 1
A system that scans a light beam on specific areas of the eye structures
Data Source
Figure 1A~1D
Figure 2
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AI summary
A system for the controlled illumination and single image creation of multiple structural components of the eye comprises an illumination light source providing a first and second illumination light beams defining first and second illumination light ray lines (130), corresponding to first and second areas of the eye (120). The first and second illumination light rays define first and second illumination beams having illumination properties that are optimal for illuminating the first and second areas of the eye. An image capture system (102) has first and second image capture areas corresponding to the first and second illumination light ray lines and capable of capturing images of the first and second areas of the eye. The image capture system is capable of combining the image of the first area and the image of the second area to provide a single composite image of the eye without registration of the image of the first area and the image of the second area.