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          迪奧科技標語
          On the application and advantages of machine vision technology
          Author:Administrator   Published in:2019-12-11 12:00

            For machine vision technology, many people may have heard of it, but they don't know it very well. Machine vision system refers to the use of machine instead of human eye to make various measurements and judgments. Machine vision is a very important research field in the field of engineering and science. It is a comprehensive subject involving optics, machinery, computer, pattern recognition, image processing, artificial intelligence, signal processing and photoelectric integration. Next, TEO editor will introduce the application and advantages of machine vision technology, hoping to help you better understand the machine vision system.

            1. Application scope of machine vision technology:

            (1) in industrial testing:

            In recent decades, machine vision technology has been widely used in industrial detection, which has made use of the outstanding advantages of visual detection system, such as non-contact, fast speed, appropriate accuracy, strong anti-interference ability in the field and so on.

            (2) application in traffic monitoring field:

            In the field of intelligent traffic monitoring, when the camera is placed at an important intersection, it can use the camera's fast photography function to automatically identify and store the license plates of illegal, retrograde and other license plates, so that relevant staff can view them.

            (3) application in medicine:

            In the field of medicine, machine vision is mainly used for medical assistant diagnosis. Firstly, we collect the images of MRI, ultrasound, laser, X-ray, γ - ray and so on. Then we use digital image processing technology and information fusion technology to analyze, describe and identify these medical images. Finally, we get the relevant information, which plays an important role in assisting doctors to diagnose the size, shape and abnormality of human disease source and effective treatment.

            Different medical imaging devices get different characteristics of biological tissue images, for example, X-ray reflects bone tissue, MRI reflects organic tissue image, and doctors often need to consider the relationship between bone and organic tissue, so it is necessary to use digital image processing technology to properly stack the two images for medical analysis.

            (4) application in the field of bridge detection:

            The detection method based on machine vision is to use CCD camera to obtain the bridge apparent picture, and then use computer processing to automatically identify the crack image, and separate it from the background and calculate the crack parameters. It has the advantages of convenience, intuition, accuracy, non-contact, good reproducibility, strong adaptability, high flexibility and low cost, and it can liberate labor force, It has a good application prospect to eliminate human interference.

            The bridge detection technology based on machine vision mainly includes three parts: the acquisition technology of bridge apparent image, the theory and algorithm of automatic crack recognition based on image and the quantitative measurement method of disease degree based on image.

            2. Advantages of machine vision technology:

            1. Efficiency: with the rapid development of industrial automation, the production efficiency has been greatly improved, which puts forward higher requirements for detection efficiency. Machine vision can detect products faster than human, especially in the detection of high-speed moving objects in the production line, the machine can improve the detection efficiency, the speed can even reach 10-20 times of human.

            2. Objectivity: it is inevitable that fatigue will occur in manual testing. At the same time, there is a fatal defect, that is, subjectivity brought by emotion. The testing results will change with the mood of the inspectors. However, the machine has no joy, anger and sorrow, and the testing results it brings are naturally more objective and reliable.

            3. Accuracy: the machine has obvious advantages in accuracy. Its accuracy can reach one thousandth of an inch. As long as there is no difference in parameter settings, multiple machines with the same configuration can maintain the same accuracy.

            4. Repeatability: the machine can complete the inspection work one time in the same way without feeling tired.

            5. Environment: machine vision converts the target into image signal through image acquisition device and transmits it to special image processing system. During the process of measuring workpiece, there is no need to contact with workpiece, so it can adapt to the harsh and dangerous production environment, and at the same time, it will not cause contact damage to workpiece.

            6. Information integration: machine vision can measure the contour, size, appearance defect, product height and other technical parameters of the product to be inspected at one time through the multi position detection method.

            7. Cost: there will be more investment in the early stage of machine vision, but it belongs to one-off investment and long-term output. As the development of machine vision is more and more rapid, the price will gradually reduce.

            8. Digitalization: the data to be measured produced by machine vision in the working process can be copied independently or copied out by network connection, which is convenient for production process statistics and analysis. At the same time, it can also export the specified data and produce the report after the test, without adding manually one by one, which is undoubtedly much better than the data statistics of manual test.

            The above is the introduction of "application and advantages of machine vision technology". Generally speaking, machine vision has the characteristics of automation, objectivity, non-contact and high precision compared with manual detection. Especially in the field of industrial production, machine vision emphasizes the accuracy and speed of production, as well as the reliability in the industrial field environment. It has great application value in repeated and mechanical work, and is an important step for enterprises to realize automatic production.


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          亚洲国产剧情中文视频在线
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