Multi-Spectrum Lens Sections With Wavelength-Specific Angles of View
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Solution Overview
Problem
There is a desire to reduce the size and weight of multi-spectrum cameras while enabling them to perform imaging at appropriate angles of view corresponding to different wavelengths, as existing cameras struggle with setting appropriate image resolution and angle of view for various wavelength measurements.
Innovation Solution
An imaging apparatus with multiple lens sections, each configured to form a subject image in a different area of the image sensor via a different wavelength filter, allowing for varying angles of view and resolution settings based on the wavelength, without the need for multiple image sensors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple image sensors are used to obtain spectral images for each wavelength, then the imaging capability for different wavelengths is improved, but the size and weight of the camera increase
Solution Approach 1:
The patent combines multiple wavelength imaging functions into a single image sensor by using multiple lens sections with different wavelength filters. Each lens section captures a specific wavelength band (RGB, NIR, SWIR) and all images are formed on the same sensor, eliminating the need for multiple separate sensors and reducing overall camera weight.
Solution Approach 2:
A single image sensor is designed to handle multiple wavelength bands simultaneously by receiving light from multiple lens sections. The sensor performs universal imaging functionality across different spectral ranges (visible and infrared) without requiring separate dedicated sensors for each wavelength type.
2Device complexity
If a single angle of view is used for all wavelength images, then the camera structure is simplified, but the imaging quality for different wavelengths deteriorates
Solution Approach 1:
Each lens section is designed with specific optical characteristics tailored to its wavelength band. The first lens section has a wide angle of view optimized for RGB imaging, while the second lens section has a narrow angle of view optimized for NIR imaging. This local optimization ensures each wavelength band captures images with appropriate quality for its specific application.
3Area of stationary object
If a wide angle is used for RGB imaging, then the coverage area is improved, but the image resolution for NIR sensing deteriorates
Solution Approach 1:
The imaging system is segmented into separate lens sections for different wavelength bands. The first lens section captures wide-angle RGB images for large coverage, while the second lens section captures narrow-angle NIR images for high resolution. This segmentation allows each component to optimize for its specific function without compromising the other.
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 configuration enables the camera to capture images with appropriate resolution and angle of view for each wavelength, reducing the size and weight of the camera while allowing for efficient multi-spectrum imaging.
Implementation Method 1
multiple lens sections each configured to form a subject image in a different area of the image sensor via a different wavelength filter
Implementation Method 2
image sensor and multiple lens sections each configured to form a subject image in a different area of the image sensor
Data Source
AI summary
An imaging apparatus according to the present technology includes an image sensor, and multiple lens sections each configured to form a subject image in a different area of the image sensor via a different wavelength filter. At least one of the multiple lens sections has an angle of view different from an angle of view of the other lens sections.