Glare Elimination Assembly with Light Shielding
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Solution Overview
Problem
Optical glare from nearby light fixtures degrades the performance of image sensing systems by causing ghost images, optical flares, and corruption of target image boundaries, making the data generated less reliable and the system performance inferior.
Innovation Solution
An assembly comprising a light fixture with a shield of opaque or diffusive material between the light source and the image capturing device's working optical surface, or a housing with windows positioned within the shadow of the light source, to prevent direct illumination and disperse intense light, thereby reducing glare.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a light source is placed close to an image capturing device for illumination, then the illumination intensity is improved, but optical glare and ghost images are generated that degrade image quality
Solution Approach 1:
The housing is divided into multiple sections including a light source housing and a camera housing that are physically separated by a barrier structure. This segmentation spatially isolates the light source from the image capturing device, allowing intense illumination while preventing direct light paths that cause glare and ghost images in the captured images
Solution Approach 2:
A barrier structure serving as an intermediary element is positioned between the light source and the image capturing device. This intermediate structure blocks direct illumination paths while allowing the light source to provide adequate illumination, thereby eliminating optical flares and corruption of target image boundaries without compromising illumination intensity
2Device complexity
If the light source is positioned close to the image capturing device, then the system complexity is reduced, but ghost images and optical flares are created that corrupt target image boundaries
Solution Approach 1:
The light source and image capturing device are merged into a single integrated assembly with a unified housing structure. The barrier structure is incorporated as an integral part of this combined assembly, creating a compact unit that maintains simple system architecture while effectively preventing optical interference that would corrupt image boundaries
Solution Approach 2:
The barrier structure acts as an intermediary element within the integrated assembly, positioned to block direct light paths from the light source to the image capturing device. This intermediary structure prevents ghost images and optical flares that would otherwise corrupt target image boundaries, while maintaining the simplicity of the integrated system design
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
Significantly reduces or eliminates optical glare, improving image fidelity and reliability by blocking direct light paths and scattering materials that break up intense light sources, resulting in higher quality data generation.
Implementation Method 1
a shield of opaque or diffusive material provided between the light source and a working optical surface of the image capturing device for creating a shadow
Implementation Method 2
a shield of opaque or diffusive material provided between the light source and a working optical surface of the image capturing device for creating a shadow
Data Source
AI summary
An assembly is disclosed, which comprises a light fixture comprising a light source thereon; an image capturing device mounted adjacent with the light source; and a housing covering the image capturing device, wherein the housing has a window within a field of view of the image capturing device; wherein at least a portion of the window serving as working optical surface of the image capturing device is located within a shadow of direct light from the light source of the light fixture.