What is the meaning of the high definition and standard definition of the surveillance camera?
Camera is divided into ordinary camera (standard definition) and high-definition camera, standard definition camera is the physical resolution of 720P in a video format, 720P refers to the vertical resolution of the video to 720 lines progressive scan, the current standard definition In about 400 lines.
If the application in the video surveillance, according to the specific monitoring target to select the camera standard, high-definition camera video files generated by the large, the need for large-capacity storage media, of course, if the monitoring is relatively static target selection standard is enough , If it is to monitor the dynamic target that will consider the high-definition camera, or when the screen playback can not see the characteristics of moving targets. Specific issues specific treatment.
HD requires a physical resolution of 1920 × 1080, that is to say the horizontal resolution to reach 1920 pixels, the vertical resolution to reach 1080 scan lines.
Sub-level is not the same, there are industrial-grade, home-class, high-definition standard than the standard standard strict.
