Collecting a micro-network news, the coming of the ultra HD video era, give us a better viewing experience, it also puts higher requirements for video coding technology.
However, when the current mainstream video coding, such as H.264, H.265, etc., it is difficult to compress the video volume to a certain volume to facilitate transmission, industry An urgent code technology for high resolution video is urgently needed.
Recently, after three years of study, Fraunhofer HHI (Fraun Hobei Dihehz Institute) officially announced the next generation of video codec standards - H.266 / VVC (General Video Code) is completed, this standard ITU (ITU-T) and International Standardization Organization (ISO) joint development, global participation in manufacturers include Huawei, Haisi, Tencent, Ali, Gao Tong, Samsung, Sony, Intel and other enterprises.
In the future, if H.266 is popular, it will usher in a huge change, and the security industry is no exception. However, behind the technical change, there is a higher request for front end, transmission, storage, intelligent analysis, platform and other links.
Industry insiders, H.266 and Ultra HD needed to support the corresponding supporting solution, in the security industry, from the ultra HD camera, NVR / CVR, decoder / video integrated platform to the central platform software, etc., must be supported H. 266 technical side can.
According to news, there is already a business that has already started designing chips, and software that supports H.266 / VVC decoding is also expected to be launched in the second half of this year, but refer to H.265 / HEVC has not been largely applied, expected H.266 / VCC It is widely accepted and used around 2027.
What is the value of H.266?
In the security industry, the video codec is to compress and digitally encoding the image before and after the camera acquisition screen, obtain more optimized, anti-interference capabilities, to be used for transmission. That is to say, in maintaining the video quality, use as little storage space as possible or occupy less broadband when transmitting, effectively reduce the pressure of transmission and storage.
This newly promulgated H.266 / VVC is a new generation of a generation of 4K and 8K streaming media. Compared to the previous generation (H.265 / HEVC), H.266 further improves compression performance, which can support 50% data size while video clarity is not changed.
For example, 90 minutes of ultra HD video (H.265 / HEVC) requires approximately 10GB of data, while H.266 only requires 5GB, it can save nearly 50% of transmission traffic under the same image quality.
In the network video surveillance system of the security industry, the corresponding requirements are also proposed for video coding techniques due to its 24-hour transmission storage. It is necessary to ensure the small yard ratio, but also to ensure the image is clear.
For example, in the case of 4K resolution, the code rate needs to reach 8m or less to use large-scale commercially available in the security industry. The currently meet the requirements of the code technology only H.265; and in the case of 8K resolution, the code rate needs to reach 16m or less. It is possible to use large commercially in the security industry, and the current H.265 encoding technology code rate is 24m, which is no longer able to meet the commercial requirements.
The emergence of H.266 coding standards uses advanced technology to improve the relationship between code stream, coding quality, delay and algorithm complexity, to achieve optimization settings, to satisfy the storage and transmission requirements of 4K, 8K screen, And reduce the cost of the user.
It is understood that there are already many companies that have started design new chips to enable / accelerate H.266 technology, supporting H.266 encoder and decoder software is also expected to be released this fall, but refer to H.265 / HEVC It has not been applied to a large scale, H.264 / AVC still occupies an absolute mainstream, H.266 / VVC is estimated to be applied over a few years.
Industry video experts pointed out that H.266 / VCC is expected to be widely accepted and used around 2027. With the gradual popularity of 4K video and the development of 8K video, the market is generally popular.
How long does 4K / 8K have penetrated?
In the early March 2019, the Ministry of Industry and Information Technology jointly issued the "Super HD Video Industry Development Action Plan (No. 2019-2022)" in the Ministry of Industry and Information Technology (2019-2022) ", clearly indicated The development goal will vigorously promote the development of ultra HD video industry in accordance with the overall technical route of "4K first, take into account 8K". By 2022, ultra-high-definition video is achieved in the field of cultural and educational entertainment, security monitoring, medical health, intelligent transportation, industrial manufacturing and other fields.
At the same time, in the "Action Plan", it is clear that the field of security monitoring is the key industry in ultra HD applications, which will accelerate the research and development of ultra HD monitoring cameras. Promote the upgrade of security monitoring system, support development based on human face recognition, behavioral identification, target classification, etc. based on ultra HD video, enhance monitoring, identification efficiency and accuracy, and create a group of intelligent ultra HD security monitoring applications.
It is mainly reflected in both aspects in the security industry in the security industry. First, ultra-high resolution can get more detail characteristics, and still clearly distinguish after zooming. For example, 4K common resolution has 3840 * 2160 pixels and two species of 4096 * 2160 pixels, 4 times the resolution of 1080P, and 4 times the 8K resolution is 4K.
The executive of a main video surveillance enterprise indicated that the higher the vertical resolution, the more details and levels of human eye, and the image is still clear, and the image can be effectively resolved to monitor the monitoring of the ultra HD picture and the light complex scene. need.
Second, the higher the resolution, and more content can be displayed in the screen so that the camera's view coverage is wider, thereby solving the problem of large scene monitoring. For example, an outdoor parking lot, a flow-intensive mall, etc., while retaining image details while holding a large scene, solving the problem of large scene video surveillance.
The above executives indicate that the smart analysis results such as human face recognition, license plate identification can be more accurate based on the monitoring video sources of ultra-high definition technology, and promote industry intelligent analysis acceleration applications.
However, wanting to achieve true ultra-high-definition, must fully support HD from the collection of video source, video signal encoding compression, video signal transmission, video browsing, video file playback, etc. . Currently, ultra HD video surveillance still has high bandwidth, high storage, high code stream, high cost.
At the same time, higher performance codec technology provides the same functionality with fewer bandwidth, which also requires the device to decode more powerful computing power.
According to industry, the newly launched H.266 standard is the largest advantage of low yields, which can effectively reduce the pressure of 4K / 8K to transmission, storage, and cost. Under the implementation of the country, H.266 technology or will accelerate the landing application.
At the same time, as the chip, encoding decoder software, the encoding decoder software, etc. supporting H.266 technology, the H.266 technology will also become a boosting agent for 4K / 8K video, directly affect the entire security video compression industry, causing security super The explosive growth of the HD market.
However, it is undeniable that video surveillance is a system, and a certain link technology does not achieve overall technology upgrades, requiring industry communities to work together to achieve further scale of ultra HD market. Read the full article, the original title: H.266 standard is released in the security industry 4K / 8K popularity still?
Article Source: [Micro Signal: GH_EB0FEE55925B, WeChat public number: Semiconductor Investment Alliance] Welcome to add attention! Please indicate the source of the article.
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