Detecting Patient Motion in SPECT Imaging Using Stereo Optical Cameras



1. Introduction
Patient motion causes many problems in SPECT imaging, such as blur and other motion artifacts. If patient motion is excessive, it may be necessary to repeat an acquisition, with consequent cost and inconvenience. Previous approaches to motion detection relied on inconsistency checks or motion tracking, or were limited to rigid body parts, such as the head. The goal of this work is to design a more general sys ....etc

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Definition

With the proliferation of portable electronic devices, power efficient data transmission has become increasingly important. For serial data transfer, universal asynchronous receiver / transmitter (UART) circuits are often implemented because of their inherent design simplicity and application specific versatility. Components such as laptop keyboards, palm pilot organizers and modems are few examples of devices that employ UART circuits. In this work, design and analysis of a robust UART architecture has been carried out to minimiz ....etc

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SPECT is used to make three dimensional images of the heart, to perform brain studies and for skeletal scintigraphy. It is reasonable to speculate about a constant by perhaps a slower rate of increase of clinical applications of SPECT. It is safe to conclude that SPECT has reached the stage where it will be a valuable and also an unavoidable asset to the medical world. SPECT is used routinely to help diagnose and stage cancer, stroke, liver disease, lungs disease and a host of other physiological (functional) abnormalities. ....etc

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SPECT

ABSTRACT

SPECT, the acronym for Single Photon Emission Computed Tomography, is a nuclear medicine imaging modality, giving information about a patient s specific organ or body system. SPECT is a nuclear medicine technique that uses radiopharmaceuticals, a rotating camera and a computer to produce images which allow us to visualize functional information about a patient s specific organ or body system. SPECT images are functional in nature rather than being purely anatomical such as ultrasound, CT and ....etc

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http://seminarsprojects.net/Thread-spect-single-photon-emission-computed-tomography

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Ping of death:Denial of Service Attacks-An Emerging Vulnerability for the Connected Network
abstract
denying access to essential
services by legitimate users is the main aim of the increasing new types of attacks in internet. This maybe through methods like crashing servers or routers, overwhelming the network with huge traffic to degrade the traffic. a readily available software program is all that one needs to launch a denial of service attack(DoS).

How IP Works
Computers share information over the Internet usin ....etc

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ABSTRACT
SPECT, the acronym for Single Photon Emission Computed
Tomography, is a nuclear medicine imaging modality, giving information
about a patient s specific organ or body system. The patient is
injected with a radiopharmaceutical, which will emit Gamma rays. The
radio activity is collected by an instrument called gamma camera and
the image is reconstructed. SPECT is used to make three dimensional
images of the heart, to perform brain studies and for skeletal
s ....etc

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