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          迪奧科技標語
          How to choose industrial camera?
          Author:Administrator   Published in:2019-12-17 12:13

            Industrial camera, also known as camera, is an important component of machine vision system. Compared with the traditional civilian camera, it has high image stability, high transmission capacity and high anti-interference ability. Most of the industrial cameras on the market are based on CCD camera or CMOS chip camera.

            Although most industrial camera manufacturers have launched a full range of industrial camera products at present, each brand has its own advantages. Star products of the industrial camera brand are often cost-effective and reliable.

            When choosing an industrial camera, you need to understand the following aspects

            1. Resolution

            Resolution refers to the number of pixels contained in the image sensor, usually expressed by length * width. We often say how many megapixel cameras are calculated by resolution. For example, resolution 1280pixel * 1024pixel, 1280 * 1024 = 1310720, is a 1.3-megapixel camera. In a sense, the resolution determines the precision that the machine vision system can achieve.

            2. Frame rate

            Frame rate refers to the number of frames per second of image acquisition, such as 30 FPS. It can be calculated that the time required to acquire a picture in theory is 1000 ms / 30 FPS = 33.3 MS, which is calculated in the overall detection beat.

            3. Shutter

            The shutter is a device used in the camera to control the exposure time of the light-sensitive elements. There are generally two kinds of shutter modes in industrial cameras: global shutter and rolling shutter. The main point is that if dynamic image retrieval is needed, the global shutter must be selected, and the roller shutter can only be used for static image retrieval. 4. Image sensor

            Image sensor is a sensitive element in camera, which can convert optical image into electronic signal, mainly divided into CCD and CMOS.

            5. Interface for connecting lens

            The camera interface is used to connect the camera and lens, mainly including C port, CS port and f port. The matching industrial lens interface can be selected. This problem must be considered in the selection. If the interface is not the same, an adapter ring should be added.

            6. Transmission interface

            The transmission interface refers to the way the camera transmits pictures. At present, the commonly used interfaces include GigE, USB3.0, Cameralink, etc. different interfaces also affect the acquisition speed.

            7. Camera color

            The camera is divided into color camera and black-and-white camera. Generally, the color camera is selected only when the color needs to be recognized, and the black-and-white camera is always selected at other times. Because many visual tools are processed on black-and-white images, if you choose a color camera, you still need to convert it into black-and-white images for calculation, this process will often reduce the image quality, so it is better to choose a black-and-white camera at the beginning.

            8. Camera dimension

            According to the dimension camera can be divided into 2D camera and 3D camera, 3D camera can get height information, other cases can be solved with 2D camera.

            9. Camera system

            There are two kinds of camera systems: intelligent camera system and new Xiwang vision system. The intelligent camera system integrates image acquisition and image processing, with compact structure, convenient use and slightly high price. The new Xiwang vision system uses industrial cameras to collect images and PC to process images. It can integrate multiple cameras into a vision system at the same time and develop customized software for the second time.

            So when choosing industrial cameras, people often ask whether it's better to choose CCD or CMOS? From their history, at first, the imaging quality of CCD is obviously better than that of CMOS, but after several years of development, CMOS has reached the same imaging quality of CCD and the manufacturing cost is lower, so it must belong to CMOS in the future.

            As for image sensor, we mainly need to know the chip size, which will be used when choosing lens. The structure of the chip determines whether the camera is a linear array camera or a planar array camera. The model of the chip is also very important. A good chip camera has good imaging quality.

            In addition, we need to pay attention to the selection of accessories for industrial cameras:

            1. Select the image acquisition card with the same interface, GigE is equipped with Gigabit network card, and Cameralink is equipped with Cameralink card.

            2. The connecting cable and interface shall be matched and the length shall be determined. If the cable needs to go through the tank chain, it must be equipped with high flexible and bending resistant cable, and it shall be locked on the interface with screws to avoid long-term movement and falling or poor contact.

            The above is all about "how to choose industrial camera" to be shared by Teo editor today. TEO products cover industrial and medical machine vision systems and products, mainly including: full series of industrial cameras, special cameras for industrial image measurement, cross line cameras for laser cutting, special image collectors for micro imaging, ultra-high definition pathological micro imaging Conference System, microscopic image analysis and remote consultation system. Products are widely used in scientific research institutes, hospitals and schools, factories and mining enterprises, cultural relics appraisal units, criminal investigation and judicial, intelligent transportation and other industries.

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          亚洲国产剧情中文视频在线
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