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[China Instrument Network Instrument R&D] A few days ago, the “intelligent perception staring hyperspectral imager†review meeting organized by China Public Security Magazine and Guangdong Shenzhen Security Industry Association was held in Shenzhen, Guangdong.
With the continuous development of science and technology in our country, and the continuous improvement of the level of social civilization, the demand for physical evidence appraisal business in the field of public security will also increase. At the same time, the difficulty of material identification has also increased. Using the spectral characteristics of different physical evidences to realize the inspection of morphology and composition, qualitative and quantitative analysis of trace physical evidence, making the inspection work more scientific, the inspection method more rigorous, and the test results more directivity. It is a criminal image technology in the field of physical evidence identification. Solve the difficult problem.
The submitter of this review meeting was Guangdong Shenzhen Zhong Darui Technology Co., Ltd. The group leader is headed by the Chief Expert of the Police Equipment Experts Library of the Ministry of Public Security and the former Senior Engineer of the Ministry of Public Security, Tao Junsheng, Deputy Director of the Finance Bureau of the Ministry of Public Security; the members include the vice chairman of the National Public Security Photographers Association and the former director of the Public Security Department’s Evidence Appraisal Center, Zhou Yunqi, and the Ministry of Public Security. Deputy inspector Xu Xiaojing of the Center for Physical Certificate Appraisal, Prof. Dan Guoguo, Vice President of the China Interpol College, Prof. Jiang Zhanqing, Dean of the Criminal Science and Technology College of the Chinese People's Public Security University, Editor-in-Chief of the National Police Standards Commission, and President Yang Jincai of the China Public Security Magazine, and From Jiangxi, Guangdong, Shanghai, Tianjin, Guangzhou, Shenzhen, Dalian, Lanzhou, Dongguan and other provinces and cities such as criminal technology, judicial appraisal, policing security and other business departments and the Ministry of Public Security Quality Inspection Center, subordinate scientific research institutes, physical evidence identification, image technology A total of 28 industry technical experts consist of literary inspections, trace inspections, etc.
In the morning, all the experts drove to the location of Darryl & Company in Nanshan Science and Technology Park, visited the R&D center and production workshop of Zhongda Ruihe. The company’s technicians demonstrated the products submitted for trial on-site, and the experts watched the “high†with great interest. "Spectral Imager" demonstrated various functions and applications, all of which expressed their approval and recognition, and discussed with the company's technical personnel about the technical issues concerned.
In the afternoon review meeting, Zhong Darui and General Manager Liang Hongyi introduced the development of the company to leaders and experts. According to reports, Shenzhen Zhong Darui Technology Co., Ltd. was founded in 2005 and is a company dedicated to providing Data security products, network security solutions, hyperspectral data collection systems, and national high-tech enterprises for information and data services.
Subsequently, Cui Dongwei, the company's product director, demonstrated the R&D background, R&D process, and R&D results of the Hyperspectral Imager project. According to reports, the key technologies of the "Hyperspectral Imager" project will develop toward higher identification capabilities, higher process, and higher performance. Its main technical competitive advantage is shown in the design of LCTF liquid crystal tunable filter devices and compact cascode structure packaging technology; large-aperture liquid crystal filters and high resolution, high frame frequency area array image sensors photoelectric integration and synchronous control technology, spectral resolution Enhanced and perspective compensation technologies; staring hyperspectral imager data acquisition, collaborative control and high-speed transmission technology and equipment lightweight and compact integrated process structure design; space, spectrum, time three-dimensional information fusion and feature extraction technology, and joint diagnosis Spectral data intelligent analysis method of spectral characteristics, spatial structure characteristics and time correlation; establishment of one-click performance monitoring and fault intelligent diagnosis method of spectral video imager; design of the whole system test scheme of the system, indoor and outdoor experiments, and establishment of spectrum Imager performance evaluation system and authenticity inspection work, establishment of feedback mechanism for each test link, optimization and improvement of instrument performance parameters; establishment of a set of standardized data acquisition, pretreatment and standardized application of products in the field of criminal investigation material applications and applications Demonstration process.
After hearing the project report of Zhongda Ruihe, the experts consulted with the company’s main R&D technicians and discussed the technical, reliability and practicality of the project. Experts believe that the data submitted by the reviewers are complete, detailed and consistent with the requirements of the review; the hyperspectral imager has made breakthroughs in the research and development of key technologies such as liquid crystal tunable filter LCTF design and technology, with independent intellectual property rights, and obtained a number of Patent and software copyrights; Hyperspectral imager can quickly and simply capture spectral images, obtain spatial information over a full field of view, and spectral information for each pixel in the field of view, providing a new type of non-destructive analysis for forensic science material analysis and analysis. Inspection means.
Therefore, experts from the assessment team unanimously agreed that LCTF, the core technology of the hyperspectral imager, has filled the gaps in the country. Its comprehensive technical level is leading domestically. It is the first in the country and reaches the advanced level of similar international products. It is a forensic scientific evidence inspection analysis. The new high-tech products agreed that the project passed this review. At the same time, it is proposed to further increase the promotion and application in the field of public security according to market requirements.
In addition, in order to better improve the function of the intelligibility-gazing hyperspectral imager and accelerate the formation of equipment, the Criminal Technology Division of Shenzhen Criminal Police Detachment and Shenzhen Zhongda Ruihe Technology Co., Ltd. jointly established Hyperspectral Technology. "Using a joint laboratory" for on-site signing.
(Original title: "Intelligent perception staring hyperspectral imager" review meeting in depth)