Digital watermark anti-counterfeiting: a legend that has not been broken in the world since its birth ten years ago

The rapid development of digital watermark background, digitization and networking technology, on the one hand, provides convenient means to realize the high-speed distortion-free dissemination of information and flexible editing and modification, and also poses severe challenges to the digital information security in transmission and the confidential information management of multimedia databases. With the development and progress of information technology, the sniffing, attack ability and counterfeiting ability of various "Trojans" and hackers are getting stronger and stronger, and it has become very easy to decipher, steal, impersonate, fraud, embezzle and tamper in the "digital world". Traditional faith centered on modern cryptography

A brief analysis of several common digital watermarking techniques

Digital watermarking technology is an information hiding technology, which can embed copyright information, identification information, images and other information into the carrier images such as video, audio, pictures, and text in a visible or invisible way. When embedding invisible watermark information, because the embedded watermark information is lower than the minimum granularity discovery range that the human visual system can bear, it can be used to prove the source of the work as evidence for infringement prosecution on the one hand, and on the other hand, it can also be used to protect the integrity of the work by detecting and analyzing the watermark of the digital work.　　Common digital watermarking technologies include grayscale value encryption and position encryption.

The national standard (draft for review) of "Printing Digital Watermark Technology" passed the review

On August 11, 2017, the National Anti-counterfeiting Standardization Technical Committee (hereinafter referred to as the National Anti-counterfeiting Standards Committee) held an expert review meeting of the national standard (draft for review) of "Printing Digital Watermark Technology" in Beijing. Experts and representatives of the standard drafting group from China Anti-counterfeiting Industry Association, Quanxu Office Anti-counterfeiting Technology Product Review Department, National Anti-counterfeiting Product Quality Supervision and Inspection Center, Anti-counterfeiting Product Quality Supervision and Inspection Center of the Ministry of Public Security, Chengdu Yufei Information Engineering Co., Ltd. (standard drafting team leader) and other units attended the meeting.　　Yin Rongwu, secretary general of the National Anti-counterfeiting Standards Committee, presided over the meeting. The meeting reviewed and adopted the standard (

The Graded Protection System for Cybersecurity entered 2.0 and the Alliance of Security Capabilities was established

Recently, the China Industry (Private) Cloud Security Capability Alliance was established in Beijing. Fifteen companies, including China News Network Security and Huawei, became the first members of the alliance. The Alliance is a working group of the China Information Security Professional Committee, a social organization voluntarily formed by information security professional research institutions, information security evaluation institutions, IT (security) service providers, cloud security product and service providers, cloud platform products and service providers, and information security media.　　The 21st Century Business Herald reporter learned that enterprises in the network security industry have also attracted the layout of many investment institutions. CICC Innovation (Beijing) Investment Management Co., Ltd. (hereinafter referred to as CICC Innovation

Xi Jinping presided over a symposium on cybersecurity and informatization

Xi Jinping, General Secretary of the CPC Central Committee, President of the People's Republic of China, Chairman of the Central Military Commission, and Head of the Central Leading Group for Network Security and Informatization, presided over a symposium on network security and informatization work in Beijing on the morning of the 19th and delivered an important speech, emphasizing that promoting China's economic and social development in accordance with the development concept of innovation, coordination, green, openness and sharing is the general requirement and general trend of China's development in the current and future period, and the development of China's network information industry should adapt to this general trend and take the lead in practicing the new development concept. Promote the construction of a network power, promote the development of China's network information industry, and make the Internet better benefit the country and the people.　　Political of the Central Committee of the Communist Party of China

The Copyright Office talks about "capsizing": the development of self-media brings challenges to copyright protection

Yan Xiaohong, deputy director of the National Copyright Administration, pointed out today that the development of self-media has brought great challenges to copyright protection, so the administrative and judicial departments must increase their efforts. In addition, it is also necessary to study the new problems brought about by technological development, and it is necessary to revise the law in a timely manner to make the law more in line with the requirements of real social development.　　The Information Office of the State Council held a press conference today to invite Shen Changyu, Director General of the State Intellectual Property Office, Liu Junchen, Deputy Director General of the State Administration for Industry and Commerce, and Yan Xiaohong, Deputy Director of the National Copyright Administration, to introduce the development of intellectual property in China in 2015 and answer reporters' questions. In response to the reporter's use of the "capsized hull" as an example, the question was asked: "In the public

Hua Jianhe

Hua Jianhe, chairman of Chengdu Yufei Information Engineering Co., Ltd., aged 57. During his 13 years of military career, from the operator to the chief of the communications unit, he has almost done all the special forces in reconnaissance, communications, engineering, and defense. After the army was transferred to a new job, he worked in politics for five years, and in six years he was appointed as the number one party and government leader of two state-owned enterprises and public institutions, and led the new team to revitalize two old and difficult units with 500 to 600 employees, more than 60 million yuan in debt, and on the verge of bankruptcy. In 2002, at the age of 44, when he was on a smooth journey, with more than 20 years of experience and keen sense of smell in military, government, enterprises and institutions, he was "digital watermark" as an international information security

Li Bingfa

Professor Li Bingfa has studied and worked at Manchester University and Manchester Institute of Technology. He has been a visiting professor and visiting professor at Baptist University in Hong Kong three times. He has been engaged in teaching and scientific research in the School of Computer Science of Sichuan University for nearly 40 years, and has taught more than 20 courses for undergraduate, graduate and foreign students. He has completed 7 major scientific research projects at the provincial and ministerial levels, and published more than 140 academic papers, of which more than 30 papers are indexed by SCI, EI and ISTP . He has won the second prize of scientific and technological progress of the Ministry of Petroleum, the second prize of Sichuan Province Excellent Teaching Award, and Sichuan

Li Ke

Li Ke, born in March 1988, graduated from Jinjiang College of Sichuan University with a bachelor's degree in computer science and technology, and then was admitted to the National Defense Key Discipline Laboratory of Visual Synthetic Graphics and Image Technology of Sichuan University for a Ph.D. degree; He is currently the deputy general manager and manager of the R&D department of the face recognition division of Sichuan Chuanda Zhisheng Software Co., Ltd., responsible for the research and development of face recognition security products. Dr. Li Ke is mainly engaged in the research and development of image and video processing, pattern recognition and computer vision, including video analysis and processing, deep learning, face recognition, etc. As a project leader or principal researcher, he has participated in more than ten national/national defense longitudinal scientific research projects; It includes the research work of major scientific research projects such as the National Natural Science Foundation of China, the National Major Instrument and Equipment Development Project, the National Key Research and Development Program, the Electronics Industry Fund of the Ministry of Industry and Information Technology, and the Sichuan Science and Technology Support Program, and has published many papers in international and domestic academic journals and conferences.