International Meetings Introduction EMVA launched the initiative to define a unified method to measure, compute and present specification parameters for cameras and image sensors used for machine vision applications. Choosing the suitable camera for a given machine vision application often proves to be a challenging task. The data sheets provided by the manufacturers are difficult to compare. Frequently, vital pieces of information are not available and the user is forced to conduct a costly comparative test which still may fail to deliver all relevant camera parameters. It creates transparency by defining reliable and exact measurement procedures as well as data presentation guidelines and makes the comparison of cameras and image sensors much easier. The Standard is elaborated by a consortium of the industry leading sensor and camera manufacturers, distributers and component customers.
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Today the rapid and error-free development of new cameras is no longer conceivable without accompanying EMVA measurement. OEM customers can use the EMVA parameters to realistically and precisely define the requirements for customer-specific image sensor development. Distributors, system developers and end customers also use EMVA to select the best camera based on the requirements of an application.
However, image sensors and industrial cameras are complex systems. Their best possible use is not managable without appropriate knowledge. EMVA therefore offers, in cooperation with member companies, training courses on the practical application of the standard, which can be combined with certification examinations on two levels. These two levels are: The User Level includes the necessary knowledge to select the best possible camera s for a given application based on EMVA data sheets.
The target group of this certification is employees from marketing and sales as well as all technically oriented employees who need basic knowledge about the EMVA standard. A total of four free webinars in English provide the knowledge required for certification on the User Level: Why is an image sensor not perfect? Or — what effects degrade the signal of a camera? What you should know about your application to select the best camera for it. How to perform camera comparison in practice using the EMVA summary datasheet?
Certification exams at the User Level will be offered next year during the two trade fairs Control Stuttgart in May and Vision Stuttgart in November Details will follow soon.
The certificate proves that the owner understands the important parameters of an image processing application and has basic knowledge about image sensors, cameras and the meaning of the EMVA parameters. This requires practical experience with EMVA measurements. For this, in cooperation with two member companies and for a participation fee EMVA offers two-day training courses with practical demonstrations.
At the end of the second day there will be the opportunity to take the written certification exam as an EMVA expert. The certificate shows that the holder has all the necessary knowledge to successfully carry out EMVA measurements himself and to interpret their results correctly, in particular if they deviate from the ideal behavior. May , Framos, Munich Great benefits of certification at very manageable costs Applicants who pass the certification test of the User Level or the Expert Level receive a corresponding certificate.
With this certification employees as well as companies can objectively prove and promote their EMVA knowledge. Its aim is to promote the development and use of machine vision technology and to support the interests of its members - machine vision companies, research institutions and national machine vision associations.
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EMVA 1288 — Machine Vision Test Standard
Its purpose is to define the methods to measure and characterize image sensors and cameras that are used in machine vision. It also provides rules and guidelines on how to report results and how to write device datasheets. The main goal of the standard is to characterize industrial cameras. Therefore, photography and television standards are not applicable. It was necessary to define a new standard specific to machine vision applications.
EMVA 1288: 图像质量测试和结果