Lighting industry future star-visual light source
Release time:
2024-11-14 14:49
Source:
The role and classification of visual light sources
Visual light source plays a vital role in the machine vision system, which directly affects the quality of the image, and then affects the performance of the system. The main functions of the light source include providing sufficient brightness, improving image quality, reducing noise, enhancing features, and adapting to different environmental conditions. Machine vision light sources can be classified according to different standards such as light-emitting principles, shapes, and colors to adapt to different detection objects and application scenarios.
The main functions of visual light sources include:
1. Illuminate the target: Provide enough light to make the target object bright so that the camera can capture the image.
2. Forming an imaging effect that is conducive to image processing: through appropriate lighting methods, the difficulty of image processing algorithms is reduced, the contrast of the image is improved, and the features and background information are optimally separated.
3. Overcome the interference of ambient light: ensure the stability and clarity of the image, and improve the accuracy and reliability of the system.
4. Used as a tool or reference for measurement: In some cases, the light source can also be used as a basis for measuring the size or shape of an object.
Application field of visual light source
Visual light source plays a vital role in the machine vision system, which directly affects the quality of the image and the performance of the system. Visual light sources are used in a wide range of applications, including but not limited to the following major industries:
- Semiconductor Industry: In the semiconductor industry, visual light sources are used to detect chip surface defects, character recognition, gold wire inspection, wafer inspection, etc.
- Automotive industryIn the automotive industry, visual light sources are used for dimensional inspection of parts, surface defect inspection, car body appearance inspection, etc.
- Medical industryIn the medical industry, visual light sources are used for the detection of medical equipment, medical equipment, pharmaceutical packaging and other fields, such as the quality detection of infusion bags on the production line of medical infusion bags.
- Food IndustryIn the food industry, visual light sources are often used for defect detection of beverage bottle caps, date code recognition on beverage packaging, etc.
- logistics industryIn the logistics industry, visual light sources are used for the sorting, identification and tracking of express parcels.
- Tobacco industryIn the tobacco industry, visual light sources are often used to detect the appearance quality of cigarettes and the quality of cigarette fitting.
- Intelligent security: In the field of intelligent security, visual light sources are used for face recognition, license plate recognition, etc.
Classification and selection principles of visual light sources
Visual light sources can be classified according to different standards, including light source type (such as LED, halogen lamp, xenon lamp, fiber light source, etc.), light source shape (such as ring, strip, point light source, surface light source, etc.), and light source color (such as white light, monochrome, multi-color light source, etc.)
When choosing a visual light source, you need to consider the following principles:
1. Select the light source according to the characteristics of the object to highlight the specific characteristics of the object.
2. Choose the light source according to the environmental conditions to adapt to different working environments.
3. Select the light source according to the system performance requirements to ensure that the brightness, color temperature, life and other parameters meet the requirements.
4. Select light source according to cost budget, balance performance and cost
Development Trend of Visual Light Source
With the development of technology, the visual light source is developing in the direction of high brightness, high efficiency, high stability, intelligence and integration. The intelligent light source can automatically adjust the brightness, color temperature and other parameters according to the actual demand, and the integrated light source can be better integrated into the system to improve the overall performance and reliability of the system.
The application of visual light source is not limited to the above industries. With the continuous progress of machine vision technology, its application scenarios will be more diversified, which is of great significance to improve production efficiency and product quality.
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