Machine vision also needs color
An important role of machine vision is to promote the improvement of the level of industrial automation, which is the driving force for the development of the domestic machine vision market. The user's needs are undoubtedly the most decisive among the many factors that allow the popularization and development of machine vision. With the further development of China's manufacturing industry, the demand for machine vision has further increased, which is not only reflected in the market capacity, but also reflected in the user's requirements for the quality and performance of machine vision products. At present, machine vision is gradually developing towards openness by simply collecting, analyzing, and transmitting data in the past, and judging actions. This trend also indicates that machine vision will be further integrated with automation. For now, color vision systems, 3D monitoring effects, embedded technology, hardware and software combinations, solutions, etc. have become the latest technological developments in machine vision. Machine vision also needs color Although machine vision has undergone some revolutionary changes in the past few years, the field of color image processing is still developing at a relatively slow rate. One of the main reasons is that using color to solve a machine vision problem is always more than equivalent The grayscale image solution requires more cost and processing power. But this situation has improved in recent years. As vision is used in various industries such as semiconductors, medicine, and textiles, ordinary gray-scale vision systems have been unable to meet user needs. In some applications, color machine vision functions must be used, such as color pattern matching, chromatographic analysis, printing color detection, box identification, and other functions. For the needs of color vision applications, NI provides hardware and software solutions. On the hardware, NI supports thousands of cameras from different manufacturers, and can collect color images uploaded from various analog cameras, 1394 cameras, or Camera Link cameras. At the same time, NI provides powerful software support for images. Both Vision Builder AI and VDM include a variety of color image processing functions, which can directly complete positioning, pattern matching, color segmentation, chromatographic analysis and other functions based on the original color image. Cognex also recently launched three color vision systems in the In-Sight Micro product line. The new In-Sight 1403C is a 2 million pixel (resolution 1600 × 1200) system that can perform high-resolution inspections on a variety of color applications. Color vision system products have always been the direction of ADLINK's research and development, but in ADLINK's view, color applications are only used where color applications are suitable. Compared with gray-scale visual systems, there is no difference between superior and inferior. Suitable for. For example, in the medical industry, for X-ray image analysis, high-level grayscale image processing will be the first choice, and for endoscopic assisted pathological analysis, color image processing becomes necessary. Therefore, the color vision system, due to the relatively complex imaging system, large data volume (information volume), and high image processing algorithm requirements, has been limited in its development in the past few years. Vision systems without grayscale analysis have been successfully applied, and In the past few years, we will get a rapid development after overcoming the technical bottleneck. Increased demand for 3D inspection applications In the past, users may only need 2D effects, but now more and more users are beginning to require 3D detection effects. Schke's 3D vision sensor was developed following the needs of users. The Ranger C product series uses camera connection technology to connect to the PC, which simplifies the integration process and increases the acquisition rate. In 3D mode, Ranger C collects about 30,000 images per second, each image contains 1536 high-quality three-dimensional coordinates, equivalent to 45 million 3D points per second. Embedded-based products will become mainstream As early as a few years ago, some experts predicted that embedded-based products will gradually replace board-type products and become the mainstream form of machine vision products. In recent years, the development of machine vision has mainly focused on intelligence and integration. On the one hand, with the continuous improvement of hardware processing capabilities, engineers have been able to use more advanced visual algorithms to solve complex visual problems. On the other hand, the demand for automation applications has gradually guided the development of machine vision systems from traditional PC-based board-type products to integrated systems of acquisition, analysis, and judgment. Embedded-based products will gradually replace boards Card products. Most embedded operating systems are based on C language. Using C high-level language for embedded system development is a basic work that can improve work efficiency and shorten the development cycle. More importantly, it is developed The product has high reliability, good maintainability, and is convenient for continuous improvement and upgrading. In industrial inspection machines, users are also more inclined to use embedded devices with real-time operating systems, because they do not need a separate IT department to support, which makes the actual operation have better independence and reliability. Some experts pointed out that smart cameras and high-performance embedded vision processing systems will occupy a major share of the vision hardware market in the future. NI has recently released a new embedded machine vision system that can help manufacturing industry engineers and system integrators quickly establish high-speed real-time machine vision systems for product classification, assembly verification, and packaging inspection applications. Software status is rising There is a popular explanation for machine vision, which is to use the machine to replace the human eye for measurement and judgment. With the development of embedded processor technology, the processing power of visual processing hardware is increasing day by day, and at the same time, it has brought about an improvement in the status of software. Under the condition of certain image quality, the quality of the processing software and image algorithm can directly determine the correctness of the judgment structure, so the position of the visual software in the entire system is crucial. From the perspective of the practical application of machine vision applications as an opto-mechanical integration, the determinant of success has always been an evaluation of comprehensive strength. Today, the focus of competition in machine vision is no longer limited to the hardware itself, but more to the software that matches it. It is for this reason that in addition to continuing to invest in motion control and system platforms, ADLINK has gradually begun to change its role as a system integration solution provider. In terms of image processing software, it has been cooperating with Belgian Euresys since 1998, and has accumulated a large number of customers and mature applications. NI also provides engineers with corresponding software platforms for different applications. For precision equipment manufacturing, laboratory vision processing and other applications, NI provides a powerful vision development module VDM. The vision development module can support development under various platforms such as LabVIEW, VC, VB, etc. Contains hundreds of powerful vision tools, can realize accurate measurement, positioning and pattern matching and other functions, suitable for professional vision system developers. For vision applications in industrial production lines, NI provides Vision Builder AI, a flexible and easy-to-use configuration software platform. Hundreds of common vision processing tools are also built into Vision Builder AI. Users can solve most vision applications without programming. It is suitable for non-professional machine vision end users to develop flexible vision applications. Cognex launched In-Sight Explorer version 4.3 software and provided 6 new vision tools and 22 filters for EasyBuilder? Configuration environment. In addition, a large number of communication functions in the In-Sight vision system have added support for the two communication protocols CC-link and MC Protocol, which are mainly used for Mitsubishi Electric's automatic sequencer. Inseparable solutions The development of machine vision technology has been inseparable from industrial automation. The software and hardware products of machine vision have gradually become an essential part of each stage of manufacturing, which puts forward higher requirements for the integration of the system. Industrial automation companies require integrated industrial automation systems that can work in conjunction with test or control systems, rather than independent vision applications. At present, more and more enterprises have put forward requirements for the use of machine vision in conjunction with existing production lines or test control systems. This requires that machine vision manufacturers not only provide independent vision products, but also provide integration with industrial automation systems The complete solution. In the production line of manufacturing enterprises, the machine vision system not only needs to be used in conjunction with the on-site control system, but also considers the connection with the factory information system. General vision system suppliers often only provide visual solutions, and the problem of integrating it with industrial automation systems is left to integrators or end users. NI provides a unified software environment and a variety of modular hardware platforms for industrial automation, such as programmable automation controllers (PACs), industrial touch screens, and distributed I / O based on deterministic Ethernet. Users can realize the functions of machine vision, motion control, human-machine interface and data acquisition on LabVIEW, a graphical development platform designed for engineers. At the same time, the strong compatibility of LabVIEW can also ensure that the system is seamlessly connected to remote databases and enterprise management systems, and build a complete automation platform at a minimum cost. Fire Pit BBQ
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