Watchdog
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Posts: 5,361
Joined: Feb 2011
#1
01-03-2011, 03:41 PM


presented by:
Sahebgouda Biradar
Mohammed Riyaz hakki
Muazzam waheed Hullikatti
Mohammad Akbar.Z.Ganihar


.ppt   Video Motion Detection-2.ppt (Size: 520.5 KB / Downloads: 85)
Objectives
 Primary objective is to provide high security.
 Relive CCTV operators from stress of continuously monitoring the screen
 Save storage space.
 Reduced cost of special hardware.
 Project Overview
 Watchdog software captures video from an input device and processes this video in real-time to find significant changes between frames.
 Alarm facility
 Highlight the motion regions
 What does Watchdog Provide ?
 Uses both camera and saved video as input source
 Reduces CPU load on recording server
 Automatic notification upon detection of motion
 Saves storage space
 User friendly interface
 Highlighting motion regions
Algorithm
1. Create initial background image
2. Get image dimension width and height
3. Repeat following steps until there are no subsequent frames in video stream
4. Get next frame and convert it to grayscale image
5. Find difference of corresponding pixels in two images ie – background image and current grayscale image
6. Perform image binarization –after which pixels with intensity above some threshold value are converted to white pixels and those with intensity below threshold are converted to black pixels
7. Calculate white pixels
8. If white pixels are more than zero -Motion detected, trigger events
9. Go to step4
10. Stop
Data flow Diagram
 Aforge.NET Framework
 Uses
 Security system for your house, office or store
 Theft prevention and child, family member or home monitoring
 Bank Security system
 Shops like Jewelry shops
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