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The Engineering Toolbar
The Ultimate Resource for Engineering and Technical Research. (Learn More) |
Case Study: The Analog-Digital X-ray Machine
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From Matrox Imaging
The discovery of 'X-rays' was first reported at the end of 1895 when Wilhelm Conrad Röntgen was conducting experiments with electrostatic charges and cathode ray tubes. In 2008 we have such medical imaging technology as computed tomography (CT), magnetic resonance imaging (MRI), or positron emission topography (PET), it might sound as though X-rays are antiquated. But they're not. Angiography is an X-ray-based medical image processing technique that shows soft tissues such arteries, veins, and organs. During a procedure, a patient receives an injection of a radiocontrast agent that is absorbed by the X-rays to highlight the vascular structures. The acquired image, the angiogram, however, also includes the surrounding structures such as bones and organs, as well. For doctors who need to see a patient's blood vessels, bones and organs can obstruct the physician's view. Products & Services
Frame grabbers are image processing computer boards that capture and store image data for industrial applications such as quality control.
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Machine vision systems are used for automated inspection and measurement in production environments.
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Learn more about Machine Vision Systems
Vision sensors are machine vision video cameras with integrated signal processing and imaging electronics. They typically include program and data interfaces.
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Learn more about Vision Sensors
Image processors includes the hardware and/or software that translates data into dots or pixels in a printer or image setter.
Learn more about Image Processors
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Topics of Interest
Joseph M. Reinhardt,
University of Iowa
William E. Higgins,
Penn State University
1 Introduction
Heart disease continues to be the leading cause of death. According to the Centers for...
(Read More)
1.1. MOTIVATION FOR OPTICAL IMAGING
The most common medical imaging modalities include X-ray radiography, ultrasound
imaging (ultrasonography), X-ray computed tomography (CT), and magnetic...
(Read More)
R.M. Leahy,
University of Southern California
R. Clackdoyle,
CNRS,
France
1 Introduction
The term tomography refers to the general class of devices and procedures for producing...
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Angelo Taibi,
Department of Physics, University of Ferrara via Paradiso 12, I-44100
Ferrara, Italy
(E-mail: taibi@fe.infn.it)
2.1 Introduction
The sensitivity of X-ray film to direct...
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Frederick Y. Biga, Francois I. Luks, John W. McMurdy and Gregory P. Crawford
There are things known and there are things unknown, and in between are the doors of perception.
Aldous Huxley,...
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