If the hd, I'm afraid you think of first is the application of network and digital, the network camera configuration is higher and higher, digital technology is more and more perfect, under the trend of simulation monitoring is somewhat awkward situation. For a number of "history", realization of analog cameras in hd and equipment on the upgrade of the dwarfs. Over time, in our impression analog monitoring and distance become more away.

Don't want to in cheap use of equipment, find the high-definition product is really so difficult? Actually for model equipment, in the current situation of hd is not any trouble. Especially with the success of the 960 h listed, although compared with network hd has a lot of small flaws, but for simulation monitoring, means that simulation for hd to break the ice. Actually, for simulation monitoring, as long as grasp three crucial links, a high quality the monitoring effect of what is not a nuisance.

Sensor achievement quality premise

For today's analog cameras, most are still using CCD as a sensor chip. Although it has been applied in simulation of the equipment has reached a relatively mature. But, as the demand of hd CMOS, apparently simulation monitoring equipment to move beyond a barrier.

For current CCD sensors, the current main CCD imaging standard definition of chip can meet the pixel level of concentrated in the 510 h and 760 h. While after a certain amount of optimization, pixels can be the sharpness of the lines to the ascent to 540 to 560 levels. But subject to the limitation of the CCD technology itself. If simulating hd, unless the reference 960 h of CCD, or want to use the original technical processing is almost impossible to achieve hd.

But the author thinks that, under the current technical conditions and application requirements, 560 lines have been able to meet many monitoring requirements, hd for monitoring is more of a concept. And in the course of actual use, if our demand is not a standard hd, sensor using your ISP to strengthen the standard definition imaging effect, can be an effective way to achieve high quality imaging an economy.

Image processing to achieve important supplement

In front of the content, we mentioned with ISP surveillance cameras performance way to get more clear effect. So, what is through the realization of the function of the what kind of ISP?

In fact, in the application, the main functions of the ISP has image interpolation, 3 a, gamma correction, image denoising, wide dynamic, etc. It is the important central link of image processing. If so, if want to make simulation monitoring device of high definition or high image quality of imaging, ISP, when the choice must be able to support the effect of the 960 h, so that they can make the level of the camera resolution reaches more than 650 lines.

Now, in order to be able to let the camera to achieve higher ability of imaging. Simulation of hd ISP on the image to dry, wide dynamic also has a very modern improvements. And make your ISP USES 3 d noise reduction technology, on the basis of the original frame denoising, strengthen the function of noise between frames, the noise reduction effect is more obvious. This configuration is largely improved the simulation monitoring in night vision performance on the job, and sometimes even can achieve better than the level of the network.

Lens effect is fundamental

Actually, if to the realization of hd, then the lens is definitely one of the most important aspects of the case to. As the most critical part of the video monitoring system, monitoring camera quality can directly affect the performance of the camera, even the monitoring results of the whole system.

Objectively speaking, although monitoring camera lens parameters have a lot of kinds, and recognition of the way and effect also has obvious different. But demand for high-resolution simulation equipment, I'm afraid only more than millions of pixels lens can meet the demand of our definition. Otherwise, any other adjustments will bring the result of the ointment.

Perhaps in the heart of many users, hd more to do with the network and digital picture. But in the actual application, hd in many cases are not as complicated as we thought. Only we mastered the monitoring system, or a key part of the camera, high-definition actually also is not what difficult for simulation system.