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Hence data must be compressed before storing and transmitting images over the network, otherwise data will require more disk space or bandwidth.

To connect to the internet, several transmission types are available.


. JPEG and MPEG are most used compression standards that transmit high-quality Video; whereas the H-standards which are commonly used in video conferencing do not create clear images of fast-moving objects. Advanced network cameras are equipped with several other functions like motion detection and analog video output. One hard disk is capable of storing several million images. It also contains alarm input and relay output. These changed electric/digital signals can now be send over networks as they are now in a format where compressing is possible. Like any other network device it is connected directly to the network, software for Web server, FTP Server, FTP client and e-mail client is built in the camera. The IP camera is an independent entity which has its own IP address. Camera component of the IP camera captures the image and converts it to electrical signals. After converting these signals from analog to digital format, they are sent to the computer function; this function compresses the image and sends it out over the network. Hard disks can be used to store digital images. Standard and ISDN Modems, DSL Modems, Cable TV Modems, T1 Connections, and 10, 100, and 1000 Mbit Ethernet Connections are some of them. In the case of limited bandwidth, lowering the frame rate/accepting a lower quality image, significantly reduces the amount of data being sent. An IP camera has its unique IP address and built-in computing functions Video Baluns Suppliers to manage network communication. The IP camera can be defined, in simple terms as a combination of a camera and computer. After installation and configuration, the IP Camera can be accessed independently from any Web Browser. Light level of 200 Lux is minimum requirement to capture good quality images.IP camera is a video camera with a web server that is built in it; it can be controlled, monitored and viewed from any location using high-Speed Internet. The computer can be programmed to remove old images and make space for new images when the hard disk is full. All images pass through the optical filter before reaching the image sensor; CCTV Cables manufacturers it removes infrared light in order to display the correct colors. The image which is composed of light information is changed into electrical signals by the image sensor. The exposure (light level of image), white balance (adjusts the color levels), image sharpness, and other aspects of image quality are balanced and adjusted by the IP camera.

The image is focused onto the image sensor (CCD) using lens of the camera.

Detailed image means more pixels, which in turn means more data. Cellular Phone Modems and various Wireless Network options are other available options. All that is necessary for watching images over the network is built into the unit. But bear in mind that more detailed images occupy more space on the hard disk and they require more bandwidth for transmission.

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  Blog créé le 28-06-2017 à 07h52 | Mis à jour le 07-09-2017 à 03h45 | Note : Pas de note