Don't be afraid to leak privacy anymore!"Digital Mask" to find out

Text ｜ "China Science News" reporter Zhu Hanbin

"Digital mask" makes anonymous medical treatment a reality.邰 Mengyun map

Don't want to be photographed when you see a doctor? Are you afraid of being recognized? On September 15th, "Nature -Medicine" published a new technical achievement led by Professor Lin Haojin's team of Professor Lin Haojin, deputy director of the Zhongshan Ophthalmology Center of Sun Yat -sen University. Through the cross -empowerment of digital technology and medical technology, they developed the first "Digital Mask" (digital mask) to make anonymous medical treatment a reality.

"'DIGITAL MASK', this new research result, can eliminate patients' concerns." Lin Haotian, head of the project research team, told the Journal of Science of China that the research technology can be converted into a 3D form through three -dimensional models. , So that the patient's face can automatically generate a virtual "mask", remove personal identity characteristics, while retaining the characteristics used for diagnosis, mainly used to diagnose and record the condition.

Breakthrough facial image de -identity bottleneck

In recent years, Zhongshan University of Ophthalmology has established an intelligent medical system for eye disease screening and prevention, providing scientific and effective solutions for a series of key clinical issues. However, the contradiction between digital medicine data reliance on attributes and medical data is the pain and difficulties of the new era, and it is also a hot topic for international academic discussions.

Facial faces can show a variety of physiological or pathological information of the human body. Whether it is my country's traditional Chinese medicine or modern medicine, the information characteristics of facial faces are important judgment basis for clinical disease diagnosis and treatment, including ophthalmology, hepatobiliary, cardiovascular, nervous system and other organ systems or systemic diseases. It is important medical data and Scientific research data.

At the same time, because the face is one of the important and insertable biometric information of the human body, it also has identity recognition function, so it has extremely high sensitivity and is the focus of the protection of personal sensitive information in the digital era.

"How to realize the separation of identity and disease information is the main technical problem we face. 'Digital Mask' technology is mainly through the three -dimensional reconstruction of the face, which can erase the personal identity information while retaining the disease signs, and cannot undergo reverse engineering to protect it to protect The identity information is irregular. "Said Yang Yahan, the first author of the paper and the post -doctorate of Sun Yat -sen University in Sun Yat -sen University.

"We have lasted more than three years, and we have overcome difficulties through innovative technologies, and developed 'DIGITAL MASK' technology, which innovatively solves the contradiction between the personal sensitive information protection of patients' eyes and the diagnosis of disease -based disease diagnosis." Lin Haotian said, " Digital medicine is the most needed, most suitable for development and application digital technology.

Lin Haotian said that due to the lack of clear data for personal sensitive information in the industry and the standards and specifications of the collection of sensitive medical information, many patients have concerns about the leakage risk of personal sensitive information data. To some extent, these concerns reduced their willingness to provide research data, which greatly increased the cost of data collection, and caused a heavy burden on relevant medical institutions and research teams.

It is understood that the results were completed by Lin Haotian's team and Tsinghua University Dai Qionghai and Professor Xu Feng, and jointly completed the scientific research institutions in the Guangdong -Hong Kong -Macao Greater Bay Area and more than ten medical, artificial intelligence and three -dimensional reconstruction fields at home and abroad.

The effects of four eye disease clinical diagnosis are consistent

In the new era of digital medicine, patients' medical images and daily image data are important information carriers for clinical research, health files, and remote medical care. They are also the foundation and products of digital, real -time, and intelligent medical services. However, as an important strategic resource, there are many bottlenecks in the collection, governance and sharing of medical data.

"The diagnosis and treatment process of the disease can be understood as the process of collection, processing, transmission, storage, and use of sharing. This is a very important foundation for promoting medical development with numbers." Lin Haotian pointed out that the protection of personal sensitive information of medical data It is a problem that needs to be solved in the industry. The relevant methods and procedures for data collection must be updated to protect personal information from being leaked.

In the entire facial image, the biometrics around the eye are one of the most unique subsets in personal biological characteristics, which can be used to assist in building a strong authentication system. In addition, the eyes are the overall health window. The characteristics of the eye weekly are significantly related to coronary heart disease. The abnormal topology changes of the eye dynamics also indicate the poor visual function and visual cognitive development. Most eye diseases accompanied by abnormal eyelids and eyeballs.

Yang Yahan said that in the "Digital Mask" technology, the team focused on the four most common eye diseases, including upper eyelid drooping, eye tremor, strabismus, and thyroid -related orbital diseases, involving more than a dozen abnormal behavioral phenotyps, such as eyelid back Shrinkage, hyperthyroidism or insufficiency. Twelve experts and professors from 4 specialists from Zhongshan Ophthalmology Center were diagnosed with patients using "Digital Mask" and patients who did not use "Digital Mask". The results showed the same diagnosis and through clinical diagnosis requirements.

Studies have shown that in the identification test of the six -choice one, the identity rate of traditional personal sensitive information protection technology (such as "cover") is 91.3%, and the identity is reduced under the protection of "Digital Mask". To 27.3%. In addition, this technology can also resist model attacks based on colorful human face image recognition.

The reporter learned that "DIGITAL MASK" can achieve an anonymous medical treatment effect of "consciousness and not knowing people".According to the statistical analysis of questionnaire surveys, using "Digital Mask" can significantly reduce the information disclosure caused by facial exposure, and increase their willingness to use digital medical products and share health information.Lin Haotian said that "Digital Mask" has multiple applications."For example, in some clinical application scenarios, hospital experts can diagnose the disease through the video of our processing. In addition, Internet hospitals, remote medicine and other products related to digital medicine also have demand for this technology."

Related thesis information:

https://doi.org/10.1038/s41591-022-01966-1

"China Science News" (2022-09-20 The first edition of the first edition of the original title "Aware of the" Digital Mask "to achieve anonymous medical treatment")

Edit | Zhao Lu

Capture | Zhihai

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