The new generation of CCTV cameras and wireless CCTV cameras or IP cameras is known fully digital, more like a computer in a traditional camera. This new type of camera detects changes in the digital image sensor that "sees" to decide if something is moving in the picture. This method of motion detection can be improved with the addition of a passive infrared (PIR) sensor of the camera, as explained in this article.
There is a limitInternet CCTV cameras to detect motion. These cameras to determine whether there is motion in its field of view, studying the changes in the digital camera that produces images of the optical sensor has occurred. One problem with this approach is that changes in the digital image can come from something other than a person to have been caused. For example, if a lamp post suddenly on the outside of a room in which the camera will be a big change in the digitalImage, it suddenly becomes brighter. The camera will notice this change and a movement to increase detection alarm - a false alarm in this case. There are several ways to solve this problem, such as asking for image processing software in the camera or on a central computer so that people are "recognized" as a person and an image at the level of intensity variation of light is ignored. A simpler solution is to use a PIR sensor.
Wireless Network Detector
A high-quality wirelessCCTV Camera Internet is usually a small connector block port I / O or input / output, as the purpose is unknown. In the port is only a number of holes where they are attached and narrow wires with a screw. The pair of terminals as the input jacks are known to be used if you want to connect a sensor as a motion detector. The inputs are used because the sensor provides a signal to the camera as the camera is in contrast to a signaloutwards.
You need a PIR sensor that selects the camera. The door camera can accept input signals of a certain voltage and voltage, and attaching all the entrance doors, which sends electrical signals above the acceptable range may damage the camera. Fortunately, most of the PIR sensors have a fairly standard power and the cameras are designed with most of them work. Choose a good quality sensor, which can be set forAnd eliminate sensitivity to the movement of small objects, such as pets. For the assembly is easier as you go with a built-in battery. Although in theory to power the camera sensor is possible, in practice it is difficult to obtain sufficient power and the sensor often easier to go for the battery option. Next, we will explore how to find the sensor mounted on the camera.
See your camera's manual to find the pair of jacks to connectblock. Then you simply take the two wires from the sensor and connect it to the inputs of the camera, making sure to connect the positive and negative wires to the appropriate connectors in accordance with the manual, it is more difficult than wiring a plug. Then place the sensor on the wall or ceiling so it's "look" the same view as the camera. This means that if the motion sensor detected, the camera is recording the movement. We must alsoto make a small change in the camera, as in the next section.
The CCTV camera Internet itself must be configured to increase the alarm and disk images will not work if the camera detects motion in itself, but when its input receives a signal from the PIR sensor. There is usually a case of change a single setting of the camera set-up page so that every movement recognition "triggers" is ignored, but it will be an input signal thatcauses the camera to raise an alert. This is usually a simple change but will vary according to the camera model, so please consult the manual for details.
By using a standard PIR sensor with your wireless internet CCTV camera in this way, your camera will be able to detect movement more accurately and consequently the number of false alarms will be greatly reduced.
CCTV wireless Internet - Adding PIRwireless network detector
