shadow sensor alarm using 555 timer

This shadow alarm circuit can sense a moving shadow in a confined area. It can be used to protect things from theft. When somebody approaches the unit, it will give a loud alarm to abort the attempt of theft. The circuit uses the light sensing property of the Photo diode.

The circuit uses the light sensing property of the PIN Photodiode. The p-n junction of the photo diode gives light current when it is forward biased. IC1 is designed as a voltage comparator. Its non inverting input is connected to a potent ....etc

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Abstract
In this paper, we propose a simple but effective shadow removal method using a single input image. We first derive a 2-D intrinsic image from a single RGB camera image based solely on colors, particularly chromaticity. We next present a method to recover a 3-D intrinsic image based on bilateral filtering and the 2-D intrinsic image. The luminance contrast in regions with similar surface reflectance due to geometry and illumination variances is effectively reduced in the derived 3-D intrinsic image, while the contrast in regions with d ....etc

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Abstract
In this paper, we propose a simple but effective shadow removal method using a single input image. We first derive a 2-D intrinsic image from a single RGB camera image based solely on colors, particularly chromaticity. We next present a method to recover a 3-D intrinsic image based on bilateral filtering and the 2-D intrinsic image. The luminance contrast in regions with similar surface reflectance due to geometry and illumination variances is effectively reduced in the derived 3-D intrinsic image, while the contrast in regions with d ....etc

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I am an MSc. Electronic science student in Cochin university of science and technology. i'm specializing in robotics. i wish to prepare a seminar about shadow mode function in robots. also would like to do my academic project on the same. how to implement shadow function in a robot? how to teach the robot using shadow function. using image processing how can we make the robot memorize our movements and reproduce those stored motions in future? kindly give me necessary details.. ....etc

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shadow alarm wiki

This shadow alarm circuit can sense a moving shadow in a confined area. It can be used to protect things from theft. When somebody approaches the unit, it will give a loud alarm to abort the attempt of theft. The circuit uses the light sensing property of the Photo diode.

The circuit uses the light sensing property of the PIN Photodiode. The p-n junction of the photo diode gives light current when it is forward biased. IC1 is designed as a voltage comparator. Its non inverting input is connected to a potential divider R1 and ....etc

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pls provide me the matlab coding for shadow detection and compensation in high resolution satellite images ....etc

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To get full information or details of shadow alarm applications please have a look on the pages

http://seminarsprojects.net/Thread-shadow-alarm--23918

if you again feel trouble on shadow alarm applications please reply in that page and ask specific fields in shadow alarm applications ....etc

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please list some advantages of shadow alarms
please list advantages of shadow alarm.. ....etc

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i want ppt for shadow alaram..as this is my final yr project..kindly provide it to me..plz ....etc

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to get information about the topic anti theft alarm for bikes full report ,ppt and related topic refer the page link bellow
http://seminarsprojects.net/Thread-anti-theft-alarm-for-bikes

http://seminarsprojects.net/Thread-anti-theft-alerting-system-for-vehicles-two-wheeler

http://seminarsprojects.net/Thread-anti-theft-security-for-car-audios ....etc

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