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Video surveillance products and technologies put forward higher requiremen
ts:
1. High-definition technology to see farther
At present, high-definition images have been widely used in traffic and other industries that require high video quality. Pollution source monitoring involves the monitoring of small objects such as gases, particles, and suspended solids, and there is also a demand for high-definition images.modbus tcp gateway In addition to high-pixel high-definition, high-definition laser and thermal imaging cameras that can see several kilometers, tens of kilometers or even farther have more demands for use in water and air pollution monitoring.
2. More transparent fog penetration technology
Current video surveillance fog penetration technologies mainly fall into two categories, namely electronic fog penetration and optical fog penetration. The thermal imaging temperature detection sensitivity of the Hepu three-band laser thermal imaging camera can reach up to 35mk, which has higher sensitivity than conventional products, can obtain more delicate picture quality, and is less affected by fog, rain and snow. It has the function of visible light through fog, daytime optical filtering and DSP image processing, which can enhance the image details in the environment of mist, water vapor and dust.
3. More targeted video intelligent analysis
Video intelligent analysis technology is an important technology for video surveillance to change from passive to active. Among them, behavior analysis, face recognition, license plate recognition and other technologies have been widely used in public security, transportation and other industries.
In the monitoring of pollution sources, behavior analysis such as regional intrusion of sewage outlets and sewage detection sampling points can effectively identify human fraud and other behaviors. At the same time, there are many industrial intelligent analysis needs:
(1) Smoke body color recognition: analyze and identify the color of smoke body;
(2) Blackness analysis of smoke body: judge the blackness information of smoke body;
(3) Water body color analysis: identify the color of the water body;
(4) Analysis of floating objects in the water body: determine the number and density of floating objects in the water body;
(5) Smart meter reading: recognize and read the data of environmental meters through video.
4. Requirements for wireless transmission
Pollution sources are mostly scattered and remote, and power supply and wired transmission are very difficult. serial rs485 to ethernet converter At present, many sensors need to support wireless transmission through 4G industrial-grade wireless routers, and because their power consumption is very low, usually a battery or solar power can support data collection for several years.
5. Requirements for corrosion resistance and self-cleaning
The source of pollution is often in an environment with a lot of water vapor, smoke and dust, and a lot of corrosion. It is necessary to focus on the dustproof, waterproof, and anti-corrosion protection of monitoring equipment. At the same time, it is necessary for the monitoring equipment to have self-cleaning functions such as wipers, which can be controlled regularly or remotely to ensure the effectiveness of the screen. At the same time, higher requirements are placed on the front-end hardware equipment.
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