With the rapid development of hospital information systems, it has brought huge amounts of data to the hospital. Effective use and analysis of these data and mining of the hidden information can provide better decision support for hospital management.
The 21st century is the era of data explosion, and medicine is no exception. In the information age, medicine is changing with each passing day in terms of breadth and depth. Evidence-based medicine is deeply rooted in people's minds, and information-based medical care is developing rapidly. On the other hand, the rapid development of computer technology has made mass storage possible and costs have been declining. Medical knowledge and medical information show geometric progression. "Big data" is not a very new term. It has existed in the fields of physics, biology, environmental ecology, and military, finance, communications, etc.; historical databases, data warehouses, The technology in the field of information management, such as data marts, is also in a sense to solve the problem of large-scale data. In recent years, big data has attracted people's attention due to the development of the Internet and information industry.
The application of big data is currently concentrated in the field of business decision-making. Medical health is another new area of ​​big data applications, but there are still few examples of applications in medicine. This article briefly analyzes the application of big data in clinical medicine and the problems that may arise in its application. Computer-side storage technologies, analytical mathematical models, business applications, software analysis, etc. for big data are beyond the scope of this article.
Big data means that huge amounts of data cannot be extracted, managed, and organized into useful information in a reasonable amount of time through current mainstream software tools. How big is big data? Some people estimate that the average person in the world produces more than 200 GB of data. According to IBM research, 90% of all data obtained by human civilization has been produced in the past two years. By 2020, the world will produce 44 times the size of today's data. The information industry commonly uses "4V" to summarize the characteristics of big data: volume (large amount), velocity (high speed), variety (diverse), veracity (authenticity). There is no doubt that people pay more attention to the value of big data. Big data is nothing more than a synonym for assets and money for investors. For example, the evaluation agency assesses that most of the effective assets listed on Facebook are data of social networking sites. Therefore, to a certain extent, it can be considered that big data is a new technology, a new concept, and a new industry: the “value added†of data through “processingâ€.
Regarding the application of big data, "The first person in big data business applications" Victor Meyer-Schoenberg has many examples in his book "The Age of Big Data", mainly by finding an association and monitoring it. It is possible to predict the future. For example, how Google uses search records for data mining to predict flu outbreaks, Amazon stores use purchases and browsing record data to make targeted purchase recommendations to increase sales and so on.
The Network CCTV Wireless Security Camera
Compared with wired cameras, wireless security cameras are less invasive to your home, so they are easier and faster to set up. No need to drill through walls or ceilings. Wireless cameras are also more flexible than wired systems because they are not as constrained as wired systems.
The biggest disadvantage of a wireless Camera System is that it is completely dependent on the strength of your Wi-Fi connection. Any interruption or weak signal can mean that you may lose connection to the system, resulting in the loss of the film, which can be critical
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Working principle of camera
The working principle of the camera is to reflect the light to the sensor, convert the signal captured by the sensor into a digital signal, and finally send it to the computer to display the image. Then the camera can capture the static and dynamic images in the picture.
The sensor of the camera is the most important part. It can capture light and convert it into electrical signals. There are many types of sensors, the most common are CCD and CMOS sensors, which can be used to capture images.
The internal circuit of the camera will convert the signal captured by the sensor into a digital signal and send it to the computer. The computer uses these signals to display images, or it can save images to the hard disk drive.
If the camera is not connected to the network, it will not be able to achieve real-time monitoring, but the camera will still work and save the pictures and videos taken. If we need to view, we can only remove the memory for viewing.
The smart camera can also support remote monitoring. You can remotely view the real-time image of the camera through your mobile phone or computer. Users can view the image of the camera anytime, anywhere, to better protect the security of your home or office.
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