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Wang Rui, Product director of Yimu Technology, was invited to speak on the technology and application of light field camera in MEMS and Wise Things

Publisher: Release time: 2022-08-19 Pageview (2725)
Relying on the scientific research strength of Shanghai Jiao Tong University, Yimu Technology has overcome a number of light field technical problems, and fully mastered all the core technologies involved in 3D light field cameras: optical design, micro and nano processing, optical field chip packaging and sealing, optical field algorithm, 3D industrial software, etc., leading the development of domestic industry standards for light field cameras.

In July, in MEMS's "Micro and Nano Optical Components and Applications" series of courses, Wang Rui, product director of Yimu Technology, was invited to give a lecture on the course "3D Imaging Technology and Application of light field Camera based on Microlens Array", which introduced the microlens array technology. The existence of microlens array enables the light field camera to record parallax, which provides new possibilities for 3D imaging applications. The optical field camera mainly places a microlens array (MLA) between the main lens and the imaging plane, and the MLA is parallel to the imaging plane. This design enables the optical field camera to capture the position and Angle information of the light in space at the same time - recording the 4D light field information and rendering the light field to realize the ability of imaging before focusing.

Relying on the scientific research strength of Shanghai Jiao Tong University, Yimu Technology has overcome a number of light field technical problems, and fully mastered all the core technologies involved in 3D light field cameras: optical design, micro and nano processing, optical field chip packaging and sealing, optical field algorithm, 3D industrial software, etc., leading the development of domestic industry standards for light field cameras.

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In August, Wise Things open class planned to launch the "Industrial Machine Vision Series Talk" open class, Yimu technology product director Wang Rui speech theme is "3D light field camera innovation and industrial defect detection practice", This paper mainly introduces the optical field imaging technology based on microlens array, the principle of optical field camera, the 3D information processing of optical field camera and the application practice of optical field camera in semiconductor chip, transparent screen module and other scenes. Through the image of the case display, the open class content makes more people interested in light field camera technology and Yimu technology.

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As the accuracy of object detection becomes higher and higher, the measured object becomes more and more complex, and machine vision is evolving from 2D vision to 3D vision under the strong demand. The emergence of 3D machine vision effectively solves the problems of complex object recognition and depth measurement in the traditional 2D era, and can also achieve more complex human-computer interaction functions. At present, 3D machine vision technology mainly includes binocular vision, structured light and laser triangulation. And a new 3D vision technology - light field imaging.

After a long period of research and development, Yimu Technology has launched a three-dimensional detection technology of light field. Through bionic insect compound eye imaging, it integrates millions of precision compound eye sensors with independent viewing angles. A single shot can realize any viewing Angle, any focus, passive large depth of field, and three-dimensional modeling functions, solving the difficulties of three-dimensional detection of transparent, reflective, micro-deep holes and other products. And the application practice is carried out in semiconductor chip, transparent screen module and other scenarios.


Wang Rui Personal introduction:

Wang Rui, Product Director of Yimu (Shanghai) Technology Co., LTD., graduated from Shanghai Jiao Tong University. During the postgraduate period, I was mainly engaged in the research work in the fields of electromechanical control, three-dimensional optical field imaging and artificial intelligence target detection. I have rich experience in the industrialization of optical field cameras, and master the hardware design of optical field cameras, the manufacture of micro and nano components, camera production and packaging, and image algorithm technology. During the study period, I won SMC first-class scholarship, second-class scholarship, University B scholarship, and other scholarships. I have 1 patent and 2 software works, etc. I led the team to win the gold award in Shanghai and Silver award in National Competition of the 7th "Internet +" College Student Innovation and Entrepreneurship Competition with "Optical field 3D imaging Innovation Technology".



About VOMMA


VOMMA (Shanghai) was established in 2019. Through long-term research and development, we have developed a new generation of three-dimensional detection technology for light field. Through bionic insect compound eye imaging, tens of thousands to tens of millions of tiny compound eye sensors are precisely packaged into a camera, realizing "single camera, single shot, three-dimensional imaging", and solving the problems of "transparent, thin, and micro" three-dimensional size and rapid and precise defect detection.

VOMMA is the first high-tech enterprise in China to fully grasp the full link core technologies of optical design, micro and nano processing, packaging and manufacturing, algorithm software, etc., with industrial scale and standardized mass production capabilities of optical field cameras, and the precision and speed of optical field systems are in the forefront of the world. The main products are used in pan-semiconductor, lithium battery, smart wear, 3C, micro and nano three-dimensional detection, is the world's leading supplier of light field cameras.



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