SEMINAR ON VIDEO SURVEILLANCE SYSTEM SUBMITTED TO: CNC

SEMINAR ON VIDEO SURVEILLANCE SYSTEM SUBMITTED TO: CNC

SEMINAR ON VIDEO SURVEILLANCE SYSTEM SUBMITTED TO: CNC SUBMITTED BY: NOUSHADALI P CONTENTS Introduction

Purpose Video Surveillance Evolution Uses of CCTV System Advantages Components in CCTV System Camera Types Recorder Types Power Adapter Cables and Connectors

Types of CCTV System Recorder Settings Reorder and Modem Settings for LAN/WAN Viewing VIDEO SURVEILLANCE SYSTEMS

A video surveillance system monitors the behaviour , activities, or other changing information, usually, of people by means of electronic equipments for security purpose. Modern security cameras use closed-circuit television (CCTV) technology. CCTV is a system where signals are not publicly distributed but monitored for security purposes.

CCTV employs video cameras that transmit signals to a specific limited set of monitors. MAIN PURPOSE A surveillance camera is used in surveillance to monitor public or private areas that need to be monitored for security reasons. SCOPE : Prevention Detection Intervention

VIDEO SURVEILLANCE EVOLUTION Analogue Systems Analogue Cameras Digital Storage Analogue

Cameras Coax,Data ,Power Coax,Data, Power Video Matrix Switch

Video Matrix Switch VCRs DVRs TVs TVs or PCs

Networked Systems IP Cameras Ethernet or Wi-Fi PoE Sw itc hHybrid DVRs or

NVRs TVs, PCs or mobile PDAs USES OF CCTV CCTV is commonly used for a variety of purposes, including: Building and ground security. Traffic Monitoring Overseeing locations that would be hazardous to a human.

for example, highly radioactive environment. Obtaining a visual record of activities where it is necessary to maintain proper security. For example, in banks, casinos, or air ports,railway stations,hospitals,offices,exam centers. Used in vehicles to detect theft or vandalism . ADVANTAGES Deters Crime:

The presence of CCTV camera system will reduce petty thefts and vandalism in shops, malls and other public places. Helps Maintain Records: The images and videos captured by a CCTV camera system are often recorded and stored into a database. Protects

Employees: This is particularly helpful in customer service centers. The employees providing customer service may sometimes be subjected to verbal abuse or physical attack.CCTV camera system helps to identify such instances and act immediately. For Evidence in Lawsuits: In legal cases of thefts and other forms of crime,videos and images provided by the CCTV camera system can serve as a valid proof and evidence against the defaulter COMPONENTS IN CCTV SYSTEM

CAMERA (ANALOG/IP) RECORDERS-DVR/NVR STORAGE DEVICE-HDD POWER ADAPTER/SMPS PoE SWITCH FOR IP CAMERA MONITOR-TV/PC CABLES -FOR INPUT-COAXIAL/UTP -FOR OUTPUT-COAXIAL/VGI/HDMI/PATCH CODE CONNECTORS-BNC,RJ45,DC CONNECTOR ETHERNET SWITCH,MODEM AND INTERNET CONNECTION

CAMERA TYPES Fixed Cameras Points in a single direction Monitors specific area of interest Direction of camera is set during installation

PTZ Cameras ( Pan Tilt Zoom Cameras ) Ideal for wide-area surveillance Gives the ability to remotely control pan, tilt, and zoom functions to follow activity and to zoom in for detailed monitoring. CAMERA TYPES IN TERMS OF SHAPE

Dome Bullet Box PTZ-PAN/TILT/ZOOM CONTD DOME BULLET CAMERA

SPEED DOME PTZ CAMERA TYPES IN TERMS OF SOLUTION Analog Camera -960H analog -HD IP Camera

ANALOG CAMERA Used for CCTV surveillance system for passing video data through traditional Coaxial cable. When light passes through the Lens to the Sensor, it

is converted to digital signals by Analog-Digital Converter. Then processed by a built-in Digital Signal Processor. The image is then converted back to analog by a Digital-Analog Converter so the image can be transmitted to DVR. CONTD DIFFERENT ANALOG TECHNOLOGY

HD-CVI stands for High Definition Composite Video Interface The technology is introduced by Dahua Used by DAHUA, CP PLUS HD-TVI stands for High Definition Transport Video Interface HD-TVI was developed by a USA company Tech Point Used by HIKVISION, AVTECH,POWERTECH

IP CAMERA A digital camera transmits video via network to a single central location for monitoring, recording, and video analysis. Advanced technology that communicates through Computer network. Uses an individual IP for its own (Each camera). CONTD.........

A network camera mainly consists of a lens, an image sensor, an image processor, a video compression SoC(System on Chip) and an Ethernet chip that offers network connectivity for data transmission.

When light passes through the lens to the sensor, it is converted to digital signals and then processed by a built-in digital signal processor. The processed video data is then compressed by a multimedia SoC to achieve a smaller data size for optimal transmission. Finally, the video images are sent through the Internet to back-end devices to allow for viewing and storage. RECORDER TYPES Digital

Video Recorder (DVR) Analog DVR HD DVR based on number of camera can be attached -4channel -8 channel -16 channel -32 channel

Network Video Recorder (NVR)-For IP camera -With POE(Power Over Ethernet) ports -Without POE(Power On Ethernet) ports Hybrid(Supports both Analog &IP) Tribrid (Supports analog, HD analog and IP)

POWER ADAPTER/SMPS DVR are supplied with a power supply. Cameras do not come with a power supply. A single camera needs 12V 1.5A. We can use separate power (12V 1.5A)for each camera but it needs power outlet on each camera side.

To avoid this we can use a single power supply having more Ampere so that we can connect multiple CONTD.......... 12V 5A we can connect up to 4 cameras. 12V 10A-we can connect up to 8 cameras. IP camera with PoE switchPoE switch will provide power to the camera through ethernet cable.

CABLES AND CONNECTORS CABLES Power Cable Used for power up the cameras, DVR, NVR. Video Cable -Co-axial Cables(For Analog Cameras) -Twisted Pair Cables- cat5/Cat-6 (For IP cameras)

-Optical Fiber (For long distance connectivity) VGI/HDMI/Coaxial cable for video out Patch code for Ethernet connection There is a specific cable that has been designed that has both a Coaxial cable and a power cable in one(3+1 cable).

CABLES WHAT CABLES YOU WILL NEED Each camera that you want to connect to your DVR will

physically need to be connected using a Coaxial cable that has a BNC connection.. The power cable is just like a extension lead that connects from your camera to the power outlet. Patch code for Ethernet connection. CONNECTORS BNC

CONNECTOR The BNC connector provides a twist-lock feature where there is no chance of the cable being dislodged from either the DVR end or the Camera end. DC PIN MALE

To connect power input to the camera. RJ 45 Connecting Ethernet cable either from IP camera to NVR/POE switch in IP system DVR to Switch/Modem in analog system. TYPES OF CCTV SYSTEM

ANALOG SYSTEM IP/NETWORK SYSTEM ANALOG SYSTEM CONTND. CONTD. An

analoge camera transmits analog video via coaxial cable to a single central location for monitoring , recording, and video analysis. Analog CCTV systems connect to a DVR (digital video recorder)using coax cables and BNC connectors. power

cable connects the analog camera to power supply. DVR is responsible for image encoding and storing. The length for coaxial cable between the DVR and the camera may be over 700m. The signal is sent to the DVR where it is recorded on a hard disk. The DVR is capable of transmitting the video signal live on a monitor connected to the DVR CONTD..........

Characteristics: Low initial investment. Wide-spread compatibility Analog cameras tend to handle low-light situations better than IP cameras on average IP SYSTEM

CONTD.

A digital camera transmits digital video via network to a single central location for monitoring, recording, and video analysis. IP CCTV requires UTP cable i.e. Cat 5 or Cat 6 cable. UTP cable connects the IP camera to the PoE switch (Power of Ethernet) Maximum distance of 100m. The PoE switch will power up the camera. The camera itself compresses and encodes the digital signal and then sends it to the NVR via IP (Internet Protocol). The NVR then records or copies the actual video file from the

camera and as there is no conversion between digital and analogue and back there is no loss in picture quality. Instead of an NVR a server computer may be used with management software for detailed surveillance. CONTD........... Characteristics: Superior image quality-high resolution of the captured images Cost-effectiveness Remote accessibility-cameras can be viewed from any

computer any where in the world Easy, reliable installation Flexibility: It can be moved anywhere in the IP network Encryption and authentication : transmission of data is done through encryption PoE : Cameras can operate without additional power. PoE protocol is used to feed them through internet cable RECORDER SETTINGS GENERAL SETTINGS USER SETTINGS

STORAGE SETTINGS NETWORK SETTINGS CAMERA SETTINGS RECORD SETTINGS LIVE VIEW SETTINGS PLAY BACK AND BACKUP SETTINGS RECORDER REAR PANEL OF RECORDER GENERAL SETTINGS

CONTD.. HDD INITIALISATION DATE and TIME LIVE VIEW SETTINGS RECORD SETTINGS

PLAYBACK SETTINGS BASIC EXPLANATION OF NETWORK/INTERNET VIEWING NETWORK SETTINGS TCP/IP SETTINGS PORT SETTINGS DDND SETTINGS PORT FORWARDING ON MODEM

TCP/IP SETTINGS PORT SETTINGS DDNS SETTINGS PORT FORWARDING ON MODEM REFERENCES 1.http://www.videosurveillance.com/cctvtechnology/ intro-to-cctv.asp

2. http://www.wikipedia.com 3.https://seminarprojects.blogspot,in/2014/04/closedcircuit-television-cctv-seminar.html 4. Stephen Russo, Director of Security and Privacy Technology, IBM Corporation : Digital VideoSurveillance ANY QUESTIONS? THANKS

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