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IP Camera Image Compression Method
- Apr 03, 2018 -

Image compression mostly uses Motion JPEG. Based on the requirements of IP technology, monitoring requires more secure application software. Transmission of high-quality images in local area networks or other media is limited by the bandwidth, and the Motion JPEG compression mode is better than H. 26l, H. 263, MPEG, Wavelet and other compression formats are more popular with most manufacturers. The quality of the generated image is continuous and the format is more suitable. The Motion JPEG format fully supports the web browser standard, so that data images can be transmitted and displayed in real time from any network platform without additional user-designed software.

IP network cameras use the compression method can be roughly divided into H.264, M-JPEG, MPEG1, MPEG2, MPEG4 and Wavelet. Among them, H.264 and MPEG4 are currently the mainstream compression methods. From a functional point of view, IP network cameras are classified into audioless and audio. Based on the consideration of the IP network camera price point and the modification of the traditional analog monitoring system, another similar solution for remote monitoring is to replace the function of an IP network camera with an ordinary camera and a network camera server (web server). Also known as a video gateway or video server, it has a built-in Web server. It is a dedicated network video and audio access device that uses an embedded operating system to provide instant video surveillance through a standard browser.

MPEG4 compression method and its module IP network camera M-CAM, its main principle is built-in an embedded Web server. Users on the network can use the browser (such as Microsoft IE or Netscape) to view the camera images on the Web server. The authorized users can also control the actions of the camera pan-tilt lens or operate the system configuration. At the same time also has the alarm input and output functions.