“Real
vs. Non Real Time Camera in Surveillance”
Episode 26- What is difference between real time camera and non-real time camera
Introduction
When it comes to surveillance systems, a
key parameter that often remains in the spotlight is FPS, or Frames per Second.
Additionally, it distinguishes between two major concepts in the world of
surveillance: real-time camera systems and non-real-time camera systems. In
this article, we will explore difference in real-time camera systems and
non-real-time camera systems.
What
is real-Time Camera Systems?
In surveillance, real-time camera
systems are those that generate a minimum of 25 frames per second in the PAL system used in
countries like Pakistan and 30
frames per second in the NTSC system used in North American countries.
These systems ensure that images are captured and displayed in real-time,
offering a seamless and
smooth viewing experience.
For instance, in real-time systems, if a
person moves their hand in front of the camera, the movement may be instantly
visible on the display as it is.
What
is Non-Real-Time Camera Systems?
Non-real-time camera systems, on the
other hand, produce fewer
than 25 frames per second in PAL and less than 30 frames per second in NTSC. The lower
frame rate results in a delay between image capture and display, leading to latency.
For instance, in non-real-time systems,
if a person moves their hand in front of the camera, the movement may not be instantly
visible on the display. Instead, there is a delay before the motion is
shown, indicating a lack of real-time performance.
Conclusion
In conclusion, understanding the concept
of FPS is essential for making informed choices in the world of surveillance.
The frame rate directly influences how smoothly images are generated and
displayed, affecting the quality of the monitoring experience. When selecting a
camera system, consider the desired FPS, keeping in mind the specific
requirements of your surveillance setup. Dahua cameras and other advanced CCTV
systems provide versatile FPS settings to ensure your surveillance needs are
met effectively.
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