Hikvision On The Topic Of A Number Of High-definition Video Applications - High-definition Video,

HD video surveillance and its products are increasingly being flooded with our vision

, in the foreseeable future, high-definition monitor to a large extent on the impact of video surveillance application model. So what is HD? How the demand for high definition? HD How far away? It going? Discussion on these topics, we may be able to understand the preliminary nature of high-definition applications.

40 years, represented by CCD Image Sensor Technology through continuous development, improvement of the formation of a variety of architecture, applied to different areas. People for the continued pursuit of image resolution image sensor technology as the driving force of innovation. This is in the consumer video applications especially embodied in two or three years ago to buy a digital camera, seems to appear in today's cumbersome and not enough clarity. 10 million pixel images at every turn, making our home computers often powerless in dealing with.

However, security video surveillance to CIF, 4CIF resolution for the main specifications of continuous use since the sharpness of the image is still stubbornly stick to the level in the 200 ~ 400TVL. Is it a large number of video surveillance products manufacturer is not aware of the consumption of high-definition wave? In fact, many well-known manufacturers also monitor consumer products Electronic Products giant, with their technical strength in these two technical areas of mutual conversion is very easy. The reason is mainly the question of cost. Sensor itself costs, transmission costs, storage costs, etc., have become the definition of the factors restricting video surveillance. To solve these problems alone is not enough security industry itself, needs the whole industry together.

What is HD? Speaking of HD concept, its definition of the current security industry is not very uniform. Sometimes "HD" is a relative concept was put forward, such as digital video monitoring technology in the early stages, CIF resolution, known as the "SD", 4CIF is called "high definition" because it is almost modulus of hybrid systems can provide the highest resolution. When the monitor resolution to 100 million pixels or more enhancing level, the further use of relative "high definition" concept is out-dated. The industry need for a number of conventions, such as megapixels and higher levels before being referred to as "high definition", such as the 720P resolution of the above specifications can provide more than 700TVL resolution images. The following levels megapixels are only referred to as "SD." This reference to the figures agreed TV Definition on HD. Also in the ITU's ITU-RBT.1201 proposal also provides for a "super-high definition" (HRI) of the number of definitions, which HRI's entry-level definition for the 1920 1080, the equivalent of 2 million pixel level.

Recent years, the image sensor manufacturing technology matures, particularly in large, high-density sensor manufacturing technology gradually achieve a balance between cost and performance. In the network transmission to optical transmission system, represented by high-speed network transmission technology becomes pervasive, across a larger geographical area of ultra high-speed backbone network and local area high-speed network has become the norm, by a large network of real-time stream of high-definition images transmission has become possible, but rates have been reduced space. In storage, Hard disk Unit storage cost is down an alarming rate, for example, since 2005, the unit normal hard disk storage costs from 4 years ago to 10 yuan / GB left and right down to the present 0.8 yuan / GB around. In such a large Environment Under the high-definition, the relatively high rate and the relatively large volume of video surveillance applications characterized by high-definition, with the application based on the user's distance from ordinary drawing near.

The past two years, with IP cameras as the main form of high-definition products surveillance products as the continuing mushrooming. The words of one user, that is, "overnight, overwhelming." And not only HD capture devices, even for HD access and management of NVR, H- DVR , Storage, etc. and auxiliary equipment also has occurred continues to mature.

by: gaga

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