Introduction to the Knowledge of Image CCD
CCD image sensor can directly convert optical signal into analog current signal. The current signal is amplified and converted to analog-to-digital, which can realize image acquisition, storage, trans...
Introduction of OCR Character Recognition Technology in Machine Vision
The full name of OCR is Optical Character Recognition. It uses optical technology and computer technology to read out the text printed or written on paper and convert it into a format that can be acce...
How Industrial Lens Aperture f / # Affect Depth of Field
Industrial lens aperture f / # how to affect the depth of field it? For this question, we have to start from the industrial lens aperture and the depth of the basic concept of talking about. Aperture ...
What are Progressive and Interlaced Scans? What areTheir Advantages and Disadvantages?
Each frame image is sequentially scanned one line after another by an electron beam, which is called progressive scanning. The frequency of interlaced scan is half of that of progressive scanning....
Machine Vision Lens Selection
In the whole machine vision system, machine vision lens is the image acquisition part of the important imaging components. Because of the constraints of the entire system, so the machine vision lens s...
Influencing Factors of Imaging Quality and Aberration Classification of Optical Lens
What factors affect the image quality of optical lens? Aberration is an important factor affecting image quality. There are six common aberrations in optical systems....
Analysis of Relevant Factors Affecting the Accuracy of Visual Inspection System
In machine vision inspection system, the error of inspection system usually includes mechanical error, calibration error and analysis error. The motion accuracy of the electromechanical motion system ...
Brief Introduction of Visual Measurement Technology
Visual measurement technology is a promising automatic detection technology, which can achieve intelligent, flexible, fast and low-cost detection. With the development of computer vision theory, visua...
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