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Technical Articles

Technical Articles | CCD运动物体在线检测原理

2016-08-11

频闪照明是运动采集中常见的手段，通常由频闪控制器控制闪光时间通常10ns~100us，频闪led通常有10ns以下的响应时间，因此与为了和曝光时间配合，让闪光最亮时能够采光，需要调整触发相机快门与频闪器之间的间隔时间，直到配合最佳。

Technical Articles | How to detect the size of 3D smartphones curved glass screen?

2018-05-11

With the introduction of curved screen cell phoness, how to measure the curvature, flatness, thickness and 3D profile of curved glass has become a new technical challenge in the industry. Using a spectral confocal displacement sensor to measure the curved glass screen can achieve good results.

Technical Articles | Classification of light source of machine vision system

2018-05-07

The image acquisition system is composed of three parts: light source, lens, and camera. The selection and lighting of the light source can directly affect at least 30% of the imaging quality. Therefore, the light source is a very important part of the machine vision system.

Analysis of the principle, structure, characteristics, development status and development direction of binocular vision technology

Technical Articles | Analysis of the principle, structure, characteristics, development status and development direction of binocular vision technology

2018-05-02

Binocular stereo vision is an important form of machine vision, which is based on the principle of parallax and the acquisition of three-dimensional geometric information of objects from multiple images. With the development of optics, electronics and computer technology, it is also progressing and gradually becoming practical, with applications in industrial inspection, biomedicine, virtual reality, etc.

Technical Articles | Machine vision localization algorithm: 2D image pattern localization system algorithm

2018-04-25

Machine Vision, also known as computer vision or artificial vision, is the use of computers to simulate the visual function of the human eye, extract information from images or image sequences, and perform morphological and motion recognition of three-dimensional scenes and objects in the objective world. Machine vision technology has been widely used in industrial automation production lines, various types of inspection and surveillance, visual navigation,

Technical Articles | Visual inspection backlight intensity evalsuation method

2018-04-20

Light source is the basis of machine vision image acquisition, through the improvement and design of the light source can efficiently extract the required target information, greatly improve the efficiency of image processing and recognition, improve the system measurement accuracy and reliability

Technical Articles | Overview of 3D Vision Measurement

2018-04-16

The use of three-dimensional measurement can improve the accuracy and real time of measurement and overcome the error of variation due to object movement and measurement at different moments.

Technical Articles | Will machine vision evolve towards anthropomorphism?

2018-04-13

The human eye does not capture the world with the same precision as a video camera. But because it has co-evolved with the brain for hundreds of millions of years, the human eye is a very effective organ. This article describes the similarities and differences between the eye and the camera, and whether machine vision will evolve toward anthropomorphism.

Technical Articles | Machine Vision In-Line Inspection Speeds Up Automation

2018-04-04

With the continuous improvement of the automation level of the automotive industry, some traditional inspection methods can no longer adapt to the high-tempo, flexible production needs, automatic machine vision online inspection technology with real-time monitoring function is gradually applied in the mainstream manufacturers, and achieved good results.

Technical Articles | What is the best light source solution for machine vision?

2018-03-27

A good operating platform should be able to process images in the shortest possible time, good machine vision software should be able to be easily applied in a range of cases, and good cameras and lenses should have minimal distortion and adequate resolution.

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