Ningbo Zhixing Optical Technology Co., Ltd.
Ningbo Zhixing Optical Technology Co., Ltd.
Products
Bloom Aruco Calibration Board
  • Bloom Aruco Calibration BoardBloom Aruco Calibration Board
  • Bloom Aruco Calibration BoardBloom Aruco Calibration Board
  • Bloom Aruco Calibration BoardBloom Aruco Calibration Board
  • Bloom Aruco Calibration BoardBloom Aruco Calibration Board
  • Bloom Aruco Calibration BoardBloom Aruco Calibration Board

Bloom Aruco Calibration Board

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Zhixing, a professional manufacturer, would like to provide you high quality Bloom Aruco Calibration Board.


In the application of machine vision, the use of the Bloom Aruco Calibration Board is very necessary, because for the accuracy measurement, the distortion of the lens itself is unavoidable, and at the same time it needs to achieve the accuracy that the customer is satisfied with, so the image itself is required to be very real and accurate, otherwise the software level No matter how high it is, it is also processed based on images with errors, and the final result must have a large error.


High-precision system calibration is the premise and foundation for precise measurement and inspection of machine vision systems. It can improve the accuracy of the entire measurement system through two steps.

The first is error measurement and evaluation. The high-precision calibration system realizes this process through the images collected by the professional image calibration board in the machine vision system environment and cooperates with the professional calibration algorithm. The system can accurately obtain the range of vision. The error value at any position, and the accuracy level of the machine vision system is evaluated based on this error data.

The second step is the correction and compensation of the error image. The calibration system performs position correction and compensation for each pixel information on the image according to the error data obtained in the first step. This process involves image translation, rotation, interpolation, reconstruction, brightness compensation, etc. A precise image algorithm, the corrected and compensated image can more accurately reflect the actual situation of the object under test, so as to achieve the purpose of precise measurement


Types of calibration boards

Material
distinction
Advantage shortcoming
Ceramics The advantages of ceramic calibration plate are non-reflective and high contrast. Restricted by material, the maximum pattern is 200*200mm, the material is expensive, it is difficult to process with high precision, and the rejection rate is high.
Glass The advantage of the glass calibration plate is that it can process high-precision 690*590mm patterns with high precision, the processing technology is much more mature than that of ceramics, and the price is cost-effective. Reflective and
fragile



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Customized QR code pattern display







Bloom Aruco Calibration Board is used in machine vision, image measurement, photogrammetry, three-dimensional reconstruction and other applications to correct lens distortion; determine the conversion relationship between physical size and pixels; and determine the three-dimensional geometric position of a point on the surface of a space object and its location. The relationship between the corresponding points in the image requires the establishment of a geometric model of the camera imaging.

Through the camera's shooting of the fixed-spacing pattern array plate and the calculation of the calibration algorithm, the geometric model of the camera can be obtained, so as to obtain high-precision measurement and reconstruction results. The flat plate with a fixed-pitch pattern array is the calibration plate.


Exhibition photos


Company Profile

Zhixing is a technology-based enterprise focusing on the research and development of optical devices. The founder of the company graduated from famous optoelectronic schools. The company can complete optical system design, aspheric surface processing, aspheric inspection tool (computational hologram, CGH) production, machine vision calibration board development and other needs according to customer needs, and has independent aspheric inspection tools (computational hologram, CGH). Intellectual property rights, breaking the monopoly of foreign counterparts in this technology. In the development of calibration boards, we have maintained long-term cooperation with many well-known enterprises at home and abroad.






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