10 Image Processing Lighting Manufacturers in 2023
This section provides an overview for image processing lighting as well as their applications and principles. Also, please take a look at the list of 10 image processing lighting manufacturers and their company rankings.
Table of Contents
What Is Image Processing Lighting?
In general, luminance and color information are determined by the characteristics of illumination, reflection characteristics of the object, and detection characteristics of the camera.
The appropriate type, shape, location, and color of illumination depends on the purpose of image processing. The requirements for image processing lighting is a high signal-to-noise (S/N) ratio, uniform illumination, and stable illumination.
There are various types of lighting, including LED, halogen, fluorescent, and xenon, but LED lighting is considered superior for image processing lighting.
Uses of Image Processing Lighting
The main uses of image processing lighting are to detect flaws and foreign objects in industrial products.
Flaws in industrial products can be checked by a shining illumination that has been appropriately adjusted for shape, position, and light wavelength on the object, and then using the shading of the image detected by the camera to check for flaws.
Similarly, by transmitting appropriate illumination through the back of an industrial product and detecting it with a camera, it is possible to check for foreign matter in the industrial product.
Since the reflection characteristics of light (reflection angle and spectral characteristics) vary depending on the object, lighting that can flexibly change the angle of incidence and wavelength is used.
Principle of Image Processing Lighting
There are three factors that affect the shading of an image: the characteristics of the lighting source, the characteristics of the object that reflect or transmit the light, and the characteristics of the camera that detect the light. Furthermore, these characteristics are known to vary with the wavelength of the light (spectral characteristics).
In the case of detecting flaws in industrial products, the diffuse reflection of light in the area of the flaw is used. By shining light from a directional light source onto the industrial product at a low angle, and by avoiding detection of the directly reflected light by the camera, only the light diffusely reflected from the scratched area can be detected. As a result, a bright image is generated only in the flawed area.
To check for the presence of foreign matter inside an industrial product, transmitted light is irradiated from a light source with a biased wavelength and detected by a camera. Since different objects have different spectral characteristics, adjusting the spectral characteristics of the light source can produce an image in which only the foreign object is bright.
The desired illumination varies depending on the purpose of the image processing, but the following criteria are mainly used in selecting the illumination: first, whether it should be direct, diffuse, or transmitted. The second criteria is the shape and size; and third criteria is the color (spectral characteristics) of the illumination.
List of 10 Image Processing Lighting Manufacturers
*Including some distributors, etc.
Sort by Features
- Default
- Company Size: largest first
- Year Founded: oldest first
- Year Founded: earliest first
Sort by Area
- United States of America
- Germany
- Japan
- Switzerland
-
-
-
National Instruments (NI)
Machine Vision Lighting
Company Overview
Founded in 1976 and headquartered in Austin, TX, National Instruments Corporation provides a software-centric platform and systems to engineers and scientists worldwide. NI’s software is used for automated test and measurement applications in manufacturing environment for configuring real-time testing application, sensor configuration and data logging of mixed signals, and monitoring ancillary rotating equipment. NI’s software also enables the mass coordination of connected devices, software deployments, and data communications throughout distributed systems. Recently, NI has begun to develop test systems and solutions for autonomous driving software and hardware validation.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Frontiers Media S.A.
Image Processing
-
-
-
-
-
STEMMER IMAGING
industrial image processing
-
-
Image Processing Lighting Manufacturer Ranking
*Including some distributors, etc.Number of Employees
- KEYENCE CORPORATION: 8,961
- National Instruments (NI): 6,900
- di-soric: 180
Newly Established Company
- National Instruments (NI): 1976 (47 years ago)
- KEYENCE CORPORATION: 1974 (49 years ago)
- Baumer: 1952 (71 years ago)
Company with a History
- Baumer: 1952 (71 years ago)
- KEYENCE CORPORATION: 1974 (49 years ago)
- National Instruments (NI): 1976 (47 years ago)
Related Products
Search from All Categories
This is the version of our website addressed to speakers of English in the United States. If you are a resident of another country, please select the appropriate version of Metoree for your country in the drop-down menu.