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MSC316DM+SC5235方案MSTAR H.265+智能高清网络安防监控摄像头5.0MP 5百万像素模组
2020-11-30 23:24:25
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MSTAR H.265+ 智能高清网络监控摄像头MSC313E MSC316DM+SC5235 5.0MP 5百万像素方案介绍:

 
新一代具有成本优势的高清网络监控摄像头H.265+系列产品,该系列产品价格低廉(并不是产品做工质量低等,而是硬件方案成本低),并且可支持智能视频分析功能。该系列产品主要采用了MStar公司生产的高清摄像头芯片,MStar是高清摄像头芯片的搅局者,大家都对这个公司不是十分了解,因为MStar方案是今年才才是推出来的,这是继MStar推出行车记录仪方案后,又一步拓展芯片产品的应用。对了,值得一提的是MSTAR芯片或者处理器在廉价的网络高清电视中被广泛应用,是业界一流的电视芯片方案提供商,该司来自于台湾。
 
目前,对于安防视频监控领域,MStar一共推出两款芯片分别为MC313E以及MC316DM。非常惊讶的是两款芯片采用的是TSOP封装技术而非目前标准的BGA封装技术,这也就是为什么MStar方案比海思方案成本要低。很遗憾的是,目前在MSTAR官网上根本找不到这两款芯片的任何资料。但是根据摄像头模组厂商的资料,我们可以找到芯片的一些基础信息,例如MSC313E支持最高1920x1080p也就是200万像素的分辨率,其最高视频帧数为25fps. MSC316DM支持最高1944x1520分辨率也就是500万像素CMOS源数据输入,最高可编码帧数为18fps。 
 
MSC313E, MSC316DM都支持最新的H.265+视频编码技术,并向下支持H.264/AVI视频压缩。与普通的H.264视频压缩技术对比,H.265+视频编码技术理论上可以减少70%文件大小,从而节约网络带宽,减少视频存储空间容量要求。当然视频文件变小,有利于摄像头在低网速条件下传输流畅高清视频,解决视频卡顿,延时严重的问题。H.265技术虽然很不错,但是因为是新一代标准,H.265视频并不是被广泛支持。例如,大部分多媒体播放器不支持播放H.265视频,大部分视频网站例如YouTube, 腾讯视频,优酷不支持上传H.265格式文件,目前支持H.265转H.264视频转换器非常少。因此,H.265视频的回访/播放需要使用H.265网络录像机来配合。
 
至于图像处理方面,其实主要依靠所搭配的CMOS图像传感器而决定。通过对比实验,在采用同一款CMOS图像传感器的条件下,MStar方案和海思方案摄像头产品所输出的视频分辨率,图像质量相差不大。MStar方案摄像机同样支持2D+3D降噪,支持数字宽动态。不过,联卫新款MStar H.265+方案产品内置了智能视频分析算法,可支持跨线检测,物品滞留/遗失检测,区域检测,防爆检测,流量计数。除此之外,我们提供H.265 NVR产品可与新IPC进行无缝连接,避免用户需要购买第三方NVR产品并担心兼容问题。

MSTAR H.265+ Intelligent HD network surveillance camera MSC313E MSC316DM+SC5235 5.0MP scheme introduction:
A new generation of cost-competitive HD webcam H.265+, which is low in price (not because of poor workmanship, but because of low cost of hardware solutions) and supports intelligent video analysis.This series of products mainly adopts the HD camera chip produced by MStar company, which is the spoiler of HD camera chip. Everyone is not familiar with this company, because THE MStar program was launched this year, which is another step to expand the application of chip products after MStar launched the dashcam program.By the way, it's worth noting that MSTAR chips, or processors, are widely used in cheap, internet-enabled HIGH-DEFINITION televisions, and are the industry's leading provider of TV chip solutions.
 
At present, in the field of security video surveillance, MStar has launched a total of two chips, namely MC313E and MC316DM.It is very surprising that both chips use TSOP packaging technology instead of the current standard BGA packaging technology, which is why the MStar solution costs less than the Hayes solution.Unfortunately, we cannot find any information about these two chips on the official website of MSTAR.However, according to the data of the camera module manufacturer, we can find some basic information of the chip. For example, MSC313E supports a maximum resolution of 1920x1080p, that is, a resolution of 2 megapixels, and a maximum video frame number of 25Fps. MSC316DM supports a maximum resolution of 1944x1520, that is, a maximum resolution of 5 megapixels CMOS source data input, and a maximum encoding frame number of 18fps.
 
Both MSC313E and MSC316DM support the latest H.265+ video encoding technology and downward support h. 264/AVI video compression.Compared with the common H.264 video compression technology, H.265+ video coding technology can theoretically reduce the file size by 70%, thus saving network bandwidth and reducing the video storage capacity requirements.Of course, the smaller video file is conducive to the smooth transmission of HD video by the camera under the condition of low network speed, so as to solve the problem of video lag and serious delay.The H.265 technology is great, but because it's a new generation standard, H.265 video is not widely supported.For example, most multimedia players do not support playing H.265 videos, and most video websites such as YouTube, Tencent video and Youku do not support uploading H.265 format files. Currently, h. 265 to H.264 video converter is very rare.Therefore, the h. 265 video return visit/playback needs to be coordinated with the H.265 network video recorder.
 
As for image processing, it is mainly decided by the CMOS image sensor.Through comparison experiments, under the condition of using the same CMOS image sensor, the video resolution and image quality output by the CAMERA products of MStar scheme and Haisi scheme are not significantly different.MStar camera also supports 2D+3D noise reduction and digital wide dynamic.However, the new MStar H.265+ solution of Linnet has built-in intelligent video analysis algorithm, which can support cross-line detection, item retention/loss detection, area detection, explosion-proof detection, and flow count.In addition, we provide H.265 NVR products that can be seamlessly connected with the new IPC to avoid the need for users to purchase third-party NVR products and worry about compatibility issues.

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