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IDL - International Digital Library Of Technology & Research Volume 1, Issue 4,April 2017

Available at: www.dbpublications.org

Internati onal e-J ournal For Technol ogy And Research-2017

Design and Implementation of Optical Palm Scanner Greeshma K G, Sowmya Poojary, Swathi G, Vidyashree H I, K V Nagalakshmi  Abstract—This paper proposes the method of designing and implementation of optical palm scanner. An individual’s palm lines do not significantly change after a certain age. This paper explains the method of extracting clear palm print image. This image will highlight creases and ridges pattern in the palm which will be distinct to each disorders and diseases. This image can further be used by physician to monitor the health state of individual.

In online palm print, we use input devices like our palm scanner connected to a computer to transfer palm print directly for real t ime processing. Features of Palm:These are the features that need to be highlighted in the image 1.

I. INT RODUCTION

2.

Palm normally contains distinct and stable features such as principle lines, secondary creases (wrinkles) and ridges. The three major flexions are genetically dependent, most of others are not. These are not affected by age and accessories. These non-genetically determin istic and complex patterns , are very useful in monitoring health care. Th is method mainly focuses on feature extraction. These features are extracted fro m the optical palm scanner. This method is advanced than the existing manual laborious ink based methods used in labs. Scanner gives a high quality, clear palm image containing these features. Further this can be analyzed by the physicist to identify various diseases and vulnerability to others. The palm features are distinct for different health disorders .

II. THEORY AND BA CKGROUND

3.

4.

Palm geometric features: Th is feature includes width, length and area of palm‟s shape. Principle line features: These are unique and important physiological characteristics. Palm texture feature: It includes wrin kles of palm. Hence these need to be removed to extract the principle lines. Data point features: These features has delta like central region of the palm.

III. DESIGN OF OPT ICAL PALM SCANNER A. Light Source For the design of the optical palm scanner, we first need to design the Light source comprising of white LEDs. These LEDs are arranged in such a manner so that we obtain the required lu minosity of 400 lu x. So we use two identical LED arrays so that we get the correct picture of the image. The shape of LED chosen for this purpose is “S” so we can get the required lu minosity with min imu m nu mber of LED, on the acrylic sheet which acts as palm placing platform.

Classification of palm print and its features: B. Camera Specifications

We can divide palm print images in two categories – Online and Offline In offline palm print, we use images that are previously taken fro m in ked pad and convert them into digital form by a digital scanner. This method is tedious and so we are not using it.

For capturing the image of the palm, we use HD webcam to get high clarity image. The specifications of the camera are mentioned in table [1]. C. Timing and Operation Control

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