Abstract
A Brain Machine Interface is a communication systemwhich connects the human brain activity to an external devicebypassing the peripheral nervous system and muscular system. Itprovides a communication channel for the people who aresuffering with neuromuscular disorders such as amyotrophiclateral sclerosis, brain stem stroke, quadriplegics and spinal cordinjury. In this paper, a simple BMI system based on EEG signalemanated while visualizing of different colours has beenproposed. The proposed BMI uses the color visual tasks and ....etc

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I am interested in a circuit diagram for fetal doppler for fetal heart monitoring. ....etc

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olour sensor is an interesting project for hobbyists. The cir- cuit can sense eight colours, i.e. blue, green and red (primary colours); magenta, yellow and cyan (secondary colours); and black and white. The circuit is based on the fundamentals of optics and digital electronics. The object whose colour is required to be detected should be placed in front of the system. The light rays reflected from the object will fall on the three convex lenses which are fixed in front of the three LDRs. The convex lenses are used to converge light rays. This ....etc

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Abstract Test card for color TV is a widely used method to evaluate the quality of a TV set directly. We have made a test signal generator (which can also generate synchronizing (abbreviated to sync hereafter) signals) mainly based on microprocessor Z-80. Taking the advantage of microprocessor programming, combining with the technique of microprocessor, digital circuits and analogue devices, we use software as far as possible to generate signals directly or to simplify the controlling circuits. Those signals, such as composite sync signal, bla ....etc

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ABSTRACT
This paper presents a new measure of heart rate variability (HRV) that can be estimated using Doppler ultrasound techniques and is robust to variations in the angle of incidence of the ultrasound beam and the measurement noise. This measure employs the multiple signal characterization (MUSIC) algorithm which is a high-resolution method for estimating the frequencies of sinusoidal signals embedded in white noise from short-duration measurements. We show that the product of the square root of the estimated signal-to-noise ratio ....etc

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Presented by:THULASI RAM P
COLOUR FUNDAMENTALS AND COLOUR MODELING


INTRODUCTION
 Color is a powerful descriptor that simplifies object identification and extraction from a scene.
 Characterization of light is central to the science of color.
 Achromatic light is what viewers see on a black and white TV.
 Gray-level is a scalar measure of intensity that ranges from black, to grays, and finally to white.
NE ....etc

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HISTORY OF COLOUR IMAGE
PROCESSING

History of Color Image Processing
Over the last three decades, we have seen several important contributions in the field of color image processing. While there have been many early papers that address various aspects of color images, it is only recently that a more complete understanding of color vision, colorimetry, and color appearance has been applied to the design of imaging systems and image processing methodologies. The first contributions in this area were those that changed the formu ....etc

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ABSTRACT
This paper analyzes and compares existing variety of LDV technologies. According to existing LDV's deficiencies such
as limited signals processing ability, poor adaptability and low precision, a new design scheme of LDV based on digital
signal processing is introduced in this article.
Doppler signal processing systems processes the spectrum by DSP. The system consists of a filter, a wave detector, an
A/D converter and buffer. DSP system samples digital signals and performs Fourier Transform, and the information of
velocit ....etc

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The Colour of Sound
Abstract
Where™s that noise coming from?. It™s a question we™ve often asked and one which would be easier to answer if we could ˜see™ sound. Our eyes can™t, so our brains are left to process the sounds reaching our ears and then triangulate an approximate location. And if something is hard to hear, we tilt our heads a little “ instinctively repositioning our ears to get better reception. Because our ears seldom have identical performance, we are often deceived over the exact locati ....etc

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