Abstract.
We introduce captcha, an automated test that humans can pass, but current computer programs canâ„¢t pass: any program that has high success over a captcha can be used to solve an unsolved Arti?- cial Intelligence (AI) problem. We provide several novel constructions of captchas. Since captchas have many applications in practical secu- rity, our approach introduces a new class of hard problems that can be exploited for security purposes. Much like research in cryptography has had a positive impact on algorithms for factoring and ....etc

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Digital imaging can be defined many different ways.
Digital imaging can be defined many different ways. I would like to submit that digital imaging is electronic transmission of information that has been encoded digitally and enhanced by technology that transmits information in a digital form. (As for storage and processing by computers) New digital imagery techniques have changed the way we view the world.
It gives us the ability to go places without ever leaving the comfort of our own homes. I believe that a revolution is taking place in ....etc

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Definition
Automatic Number Plate Recognition or ANPR is a technology that uses pattern recognition to 'read' vehicle number plates.

work by tracking vehicles' travel time between two fixed points, and therefore calculate the average speed

In simple terms ANPR cameras 'photograph' the number plates of the vehicles that pass them. This 'photograph' is then fed in a computer system to find out details about the driver and owner of the vehicle and details about the vehicle itself

ANPR consists of cameras linked to a computer.

As ....etc

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ABSTRACT
Data compression is the technique of converting an input data stream or the original data into another data stream which is shorter in length. There are many known methods for data compression. They are based on different ideas and are suitable for different types of data. But they all have the same principle that they compress data by removing the redundancy in the original data. Otherwise data compression can be looked up on as a change in representation from inefficient to efficient form.

INTROD ....etc

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Image processing project viva questions &answers ....etc

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IMAGE PROCESSING TECHNEX08@IT-BHU


Q. What is image processing?

-Study of various attributes of image

-Changing various attributes of original image

-Segmentation and restoration

-Edge extraction
AND MANY MORE………………….


DIGITAL PROCESSING OF ANY SIGNAL LIKE IMAGE

AN IMAGE IS DEFINED AS A 3 CO-ORDINATE FUNCTION f(x,y,z) WHERE x,y,z ARE SPATIAL CO-ORDINATES.

THE AMPLITUDE OF FUNCTION “f” IS DEFINED AS INTENSI ....etc

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....etc

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Handwritten digit recognition is the process of recognizing and classifying handwritten digits without human interaction. Its application field is very wide, for example Postal code recognition (Automatic sorting of mail by destination ZIP code), Digitizing hand written spreadsheets, tax forms etc. Patterns slightly shifted, distorted and even overwritten can be correctly recognized. Neural network aids in efficient recognition. A Multilayer Neural network trained with ?Backpropagation ?algorithm is used. Kirsch masks are adopted for extracting ....etc

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ABSTRACT
As the demand for higher engine efficiencies and lower emissions drive stationary, spark-ignited reciprocating engine combustion to leaner air/fuel operating conditions and higher in-cylinder pressures, increased spark energy is required for maintain stable combustion and low emissions. Unfortunately, increased spark energy negatively impacts spark plug durability and its effectiveness in transmitting adequate energy as an ignition source. Laser ignition offers the potential to improve ignition system durability, reduce ma ....etc

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DEVANAGARI OCR SYSTEM:-An Optical Character Recognition (OCR) system to recognize a wide variety of fonts in Devanagari Script. Though a multitude of products are available for character recognition in Roman script, very few, if any, are available for Devanagari. Whatever work has been done, it has mostly been a part of some academic project and hence they are not useful for any practical application. The major areas of application of Devanagari character recognition would be in following areas- 1. Digitizing existing government documen ....etc

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ABSTRACT
In the beginning of the 19th century we had the industrial revolution, in the middle of the 20 th century we have the digital revolution, and in the dawn of the 21st century we have the communication revolution. The major innovation which upturned the communication revolution is the artificial satellite. Generally satellites use the latest technology for communication, remote sensing, weather forecasting and the like.
Global positioning system, usually called GPS are used to communicate with sa ....etc

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