Which CCD and CMOS can promote the development of the industrial camera market?

The industrial camera is the core component of the machine vision system. Its essential function is the process of converting the optical signal into an electrical signal. Compared with the ordinary camera, it has higher transmission force, anti-interference ability and stable imaging capability. Industrial cameras can be classified according to different classification standards. Depending on the type of chip, there are two types of CCD cameras and CMOS cameras. This classification is also the most common. Here, CCD full name charge coupled components, CMOS full complement metal oxide semiconductors, both of which are image sensors, are the essence of industrial cameras.

CCD has always been the leader in the sensor market due to its advantages of no damage, no hysteresis, low voltage, low noise, high sensitivity and high resolution. However, with the continuous advancement of CMOS image sensor technology, based on its own integration, low power consumption, low cost and other advantages, it has also greatly improved in terms of sensitivity, transmission speed and dynamic range. Improvement, so that the gap between the two continues to shrink, and even some insiders believe that the future sensor market should be the world of CMOS. In fact, for machine vision systems, for industrial cameras, no matter which kind of sensor is more powerful, their technological advancement will undoubtedly greatly promote the development of the industrial camera market and machine vision industry.

At present, CCD is still superior to CMOS in terms of performance, but the price advantage of CMOS is also very obvious. At all, in some cases, the two sensors are complementary and can be applied to different applications. Although CMOS technology has been greatly improved, especially in terms of noise and sensitivity, it is still at a disadvantage in high-speed detection; CCD performance is relatively dominant, but it is to achieve this performance advantage, so that it is The cost is too high and the power consumption is relatively large. So which sensor is more suitable for the industrial camera market?

The choice of industrial cameras should meet the requirements of machine vision systems; the choice of machine vision systems should be based on the requirements of user production testing and working condition monitoring. Therefore, which sensor is better depends on the needs of the user. For example, when a user needs a camera for high-speed detection, a CCD camera can be selected, and if the user needs to select a cheap camera, CMOS is the most suitable choice. Therefore, we can say that CCD and CMOS have their own different technical characteristics and market positioning, no matter which one, as long as it meets the needs of users, it is beneficial for industrial cameras.

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