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Tags: screen, touch, with, illeterates, authentication, password, based, image, image based password authentication for illeterates with touch screen,
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30-01-2013, 10:43 AM
Post: #1
Wink image based password authentication for illeterates with touch screen
plz give me the complete document and ppt of the topic"image based password authentication for illiterates with touch screen
30-01-2013, 04:52 PM
Post: #2
RE: image based password authentication for illeterates with touch screen

Images may be two-dimensional, such as a photograph, screen display, and as well as a three-dimensional, such as a statue or hologram. They may be captured by optical devices–such as cameras, mirrors, lenses, telescopes, microscopes, etc. and natural objects and phenomena, such as the human eye or water surfaces.

The word image is also used in the broader sense of any two-dimensional figure such as a map, a graph, a pie chart, or an abstract painting. In this wider sense, images can also be rendered manually, such as by drawing, painting, carving, rendered automatically by printing or computer graphics technology, or developed by a combination of methods, especially in a pseudo-photograph.

Images may be two-dimensional, such as a photograph, screen display, and as well as a three-dimensional, such as a statue or hologram. They may be captured by optical devices–such as cameras, mirrors, lenses, telescopes, microscopes, etc. and natural objects and phenomena, such as the human eye or water surfaces.

The word image is also used in the broader sense of any two-dimensional figure such as a map, a graph, a pie chart, or an abstract painting. In this wider sense, images can also be rendered manually, such as by drawing, painting, carving, rendered automatically by printing or computer graphics technology, or developed by a combination of methods, especially in a pseudo-photograph.
30-09-2013, 02:51 PM
Post: #3
RE: image based password authentication for illeterates with touch screen
IMAGE BASED PASSWORD AUTHENTICATION FOR ILLITERATES WITH TOUCHSCREEN


.doc   AUTHENTICATION FOR ILLITERATES.doc (Size: 2.34 MB / Downloads: 25)

INTRODUCTION

The paper aims in developing a system which is very helpful for illiterates in secure accessing, who are not able to remember passwords. Image based password authentication for illiterates with touch screen interfacing provides an image based security system, which can be installed in poultry forms, houses and all kinds of domestic and industrial applications. The main aim of this paper is to provide a security system for illiterates. This system provides user-friendly environment for the users with a kind of image interaction. Here the password need not be a string of characters it can use few images this may be easy for the illiterates to remember. This device makes use of a touch screen sensor which makes the things still easier. This paper gives us the exposure about how to efficiently make use of the touch screen technology to interface with the appliances in our practical life. It can also be operated very easily with the hand so can be used even by very old people and also by the illiterates. Touch screens provide fast access to any and all types of digital media, with no text-bound interface getting in the way. Faster input can mean better service. Using a touch interface can effectively increase operator accuracy, reduce training time, and improve overall operational efficiencies, thus keeping costs down, a properly designed touch interface can improve each operator's accuracy. Touch screens are practical in automation, which has become even simpler with touch screen technology. Owners familiar with the icon system appreciate touch screens that make automation systems user friendly. In this paper we make use of an onboard computer which has many input and output ports. This Onboard computer is also termed as micro controller. All the input and the output modules are interfaced with this control unit. The image input from the touch screen is processed by the controller and provides access to the user if the password received is correct

STEPPER MOTOR

Stepper motor (or step motor) is a brushless, synchronous electric motor that can divide a full rotation into a large number of steps. The motor's position can be controlled precisely without any feedback mechanism (see Open-loop controller), as long as the motor is carefully sized to the application. Stepper motors are similar to switched reluctance motors which are very large stepping motors with a reduced pole count, and generally are closed-loop commutated.

Fundamentals of Operation:

Stepper motors operate differently from DC brush motors, which rotate when voltage is applied to their terminals. Stepper motors, on the other hand, effectively have multiple "toothed" electromagnets arranged around a central gear-shaped piece of iron. The electromagnets are energized by an external control circuit, such as a microcontroller. To make the motor shaft turn, first one electromagnet is given power, which makes the gear's teeth magnetically attracted to the electromagnet's teeth. When the gear's teeth are thus aligned to the first electromagnet, they are slightly offset from the next electromagnet.

BUZZER:

Basically, the sound source of a piezoelectric sound component is a piezoelectric diaphragm. A piezoelectric diaphragm consists of a piezoelectric ceramic plate which has electrodes on both sides and a metal plate (brass or stainless steel, etc.). A piezoelectric ceramic plate is attached to a metal plate with adhesives. Applying D.C. voltage between electrodes of a piezoelectric diaphragm causes mechanical distortion due to the piezoelectric effect. For a misshaped piezoelectric element.

CONCLUSION

The paper “Image based password authentication for illiterates with touch screen sensor” was designed such to provide a security system based on images and touch screen module. This system provides user-friendly environment for the users with a kind of image interaction this may be easy for the illiterates to remember.
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