Wednesday, August 22, 2012
Video compression - H.264 and Surveillance Industry
H.264 or MPEG-4 Part 10 (Advanced Video Coding) is an industry standard for video compression, this is the process of converting digital video into a format that can achieve very high data compression. So far Motion JPEG and MPEG-4 Part 2 compression standards that are widely used in surveillance fields. With the use of H.264 video compression codec, surveillance industry could see a dramatic change in how CCTV systems are used. With the use of video surveillance equipment H.264 compression codec could be seen making a major leap in terms of utilization of storage space, better quality image and video transmission.
Video compression codec H.264 encompasses the processes of encoding and decoding. The video encoder performs the encoding process and to transform the video for H.264 bit stream, and then the decoder decodes the bit stream and provides the original content. If you are interested in a full process of how H.264 works visit the resources listed below. The whole process is very accurate and reduces storage space by more than 50% without compromising image quality compared with Motion JPEG and MPEG-4 Part 2. It also offers the same quality of the images, if not better than the bit rate MotionJPEG/MPEG-4 Part 2.
Using the video encoders that support H.264, an analog system can be integrated into more efficient and powerful video surveillance system based on IP. This allows the system to provide better image quality with higher resolutions, frame rates and manage multiple video streams, reducing bandwidth and storage requirements. Video analytics can be used with the video card and converted more and more effective management of large video systems, such as large shopping centers, etc. The use of H.264 modeled systems will have a major advantage in the security industry in the near future and will encourage the use of megapixel cameras whose biggest challenges are the space requirements of large storage and usage of massive banda network....
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