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Digital Subtraction Angiography - Home (AJR)

781 Digital Subtraction Angiography: Overview of Technical Principles Donald P.Harringto& Lawrence M.Boxt Philip D.Murray Received June8,1982;accepted afterrevision

http://www.ajronline.org/doi/pdf/10.2214/ajr.139.4.781

Date added: July 15, 2014 - Views: 1

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CHAPTER 10. DIGITAL SUBTRACTION ANGIOGRAPHY (DSA) 10.1 ...

PHYSICS OF MEDICAL X-RAY IMAGING (1)Chapter 10 CHAPTER 10. DIGITAL SUBTRACTION ANGIOGRAPHY (DSA) 10.1 Introduction In this chapter we will discuss a technique that is known as digital subtraction angiography but which is

http://ric.uthscsa.edu/personalpages/lancaster/DI-II_Chapters/DI_chap10.pdf

Date added: January 17, 2012 - Views: 22

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Image Warping for Accurate Digital Subtraction Angiography

Digital subtraction angiography is a routine X-ray pro-cedure for observing vasculature. In DSA, an X-ray image of ... In principle, only the opacified vasculature should be visible in a DSA. How-ever, in practice, ...

http://www.aaai.org/Papers/Symposia/Spring/1994/SS-94-05/SS94-05-024.pdf

Date added: August 31, 2014 - Views: 1

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Intravenous Angiography UsingDigitalVideo Subtraction

angiography using video subtraction techniques hasbeen explored atseveral institutions, allusingthesamegeneral principle withsomevariations inequipment andtechniques [3-7]. ... Theanalog-digital converter isahighspeedconverter capable

http://www.ajronline.org/doi/pdfplus/10.2214/ajr.135.6.1141

Date added: August 31, 2014 - Views: 1

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Dynamic Tomographic Digital Subtraction Angiography Using

Dynamic Tomographic Digital Subtraction Angiography Using Temporal Filtration1 ... Index terms: Digital subtraction angiographv. instrumentation Radiology 147:8o3-867, June 1983 ... principle upon which this processing

http://pubs.rsna.org/doi/pdf/10.1148/radiology.147.3.6342037

Date added: August 31, 2014 - Views: 1

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Digital subtraction angiography ininfants andchildren ...

Thusdigital subtraction angiography is a viable alternative to biplane cineangiography for children with congenital heart disease. Digital subtraction angiography is now well estab-lished asameansofvascularimagingintheadult. Its

http://heart.bmj.com/content/51/5/485.full.pdf

Date added: December 31, 2013 - Views: 1

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C-arm Cone-beam CT: General Principles and Technical ...

Digital flat-panel detector cone-beam computed tomography (CBCT) has recently been adapted for use with C-arm systems. This configuration provides projection radiography, fluoroscopy, digital subtraction angiography, and volumetric computed tomography (CT) ...

http://www.sirweb.org/clinical/cpg/C-arm_Cone-beam_CT.pdf

Date added: April 8, 2012 - Views: 11

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Non-subtracted rotational angiography on a multipurpose ...

Rotational angiography The principle In rotational angiography, a series of images is ... Digital subtraction angiography of the right common carotid following carotid endarterectomy. The image is affected by motion artifacts. There is a suspected

http://www.healthcare.philips.com/pwc_hc/us_en/about/assets/Docs/medicamundi/mm_vol43_no4/mm_vol43_no4_article_nonsubtracted_rotational_angiography.pdf

Date added: March 10, 2014 - Views: 1

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Best Practices in Digital Radiography - American Society of ...

Best Practices in Digital Radiography Tracy L. Herrmann, M.Ed., R.T.(R); Terri L. Fauber, Ed.D., R.T.(R)(M); ... The first form of digital imaging, digital subtraction angiography, was introduced in 1977 and put to clini- ... ALARA principle in digital imaging.

http://www.asrt.org/docs/whitepapers/asrt12_bstpracdigradwhp_final.pdf

Date added: October 8, 2012 - Views: 22

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Advances in Digital Radiography: Physical Principles and ...

Introduction A systematic historical overview of the evolution of digital radiography is shown in Table 1. Ex-perimental digital subtraction angiography was

http://atlas.physics.arizona.edu/~kjohns/downloads/scott/advances-in-dr.pdf

Date added: May 20, 2013 - Views: 2

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Microdroplet Tracking Using Biplane Digital Subtraction ...

Microdroplet Tracking Using Biplane Digital Subtraction Angiography for Cerebral Arteriovenous Malformation Blood Flow Path and Velocity Determinations Stephen Rudin, ... The droplet transit times, however, can in principle have some variability depending on which path a given droplet follows

http://www.ajnr.org/content/20/6/1110.full.pdf

Date added: December 31, 2013 - Views: 1

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Digital and Advanced Imaging Equipment

digital subtraction angiography digital x-ray radiogrammetry direct-to-digital radiographic systems dual-energy x-ray absorptiometry F-center fill factor ... † Describe the basic principle of image production from multiformat cameras, laser cameras, dry laser printers,

http://static.crowdwisdomhq.com/asrt/documents/QM_Textbook/Chapter_9_Sample.pdf

Date added: May 17, 2014 - Views: 1

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3108online.qxp:Layout 1 7/19/12 10:41 AM Page 1187 ...

described principle. 1 The MFV, PSV, and pulsatility index were recorded, and the correlating waveform was analyzed. ... Digital subtraction angiography was performed with direct injection of a contrast agent through a diagnostic catheter

http://www.jultrasoundmed.org/content/31/8/1187.full.pdf

Date added: October 16, 2013 - Views: 1

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DELINEATION OF BRAIN AVMs ON MR-ANGIOGRAPHY FOR THE PURPOSE ...

remains the principle imaging modality used for target defini-tion. In the present study, we aimed to compare delineation of ... malformation has been contoured on digital subtraction angiography (pink). All contours were automatically projected

http://www.researchgate.net/profile/William_Vandertop/publication/6611598_Delineation_of_brain_AVMs_on_MR-Angiography_for_the_purpose_of_stereotactic_radiosurgery/links/02bfe50d998cd25125000000

Date added: October 1, 2014 - Views: 1

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WholeBodyIntravenousDigitalSubtractionAngiography1

Anewtypeofintravenous digital sub-traction angiography using anextralarge field size isreported. ... NTRAVENOUS digital subtraction an-r giography (DSA) asamethod of ... ‘ description ofthe principle ofthis sys-temcanbefound elsewhere (1).The im-

http://pubs.rsna.org/doi/pdf/10.1148/radiology.156.3.2862660

Date added: August 31, 2014 - Views: 1

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Magnetic resonance angiography of the cerebrovascular system

principle that flowing protons entering a slice of tissue possess full longitudinal magnetisation and therefore high ... et al. Comparison of intra-arterial digital subtraction angiography, magnetic resonance angiography and duplex ultrasonography for measuring carotid artery stenosis. Br J Surg ...

http://www.australianprescriber.com/magazine/24/6/article/551.pdf

Date added: September 7, 2013 - Views: 3

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Quantification of arterial flow using digital subtraction ...

Quantification of arterial flow using digital subtraction angiography Odile Bonnefous Philips Research, Paris 92150, France ... Since the underlying principle of the used algorithm is based on following the contrast modulation, the x-ray acqui-

http://www.dannyruijters.nl/docs/QuantificationArterialFlowDSA.pdf

Date added: September 16, 2013 - Views: 1

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Computerized Analysis of Digital Subtraction Angiography: A ...

Computerized Analysis of Digital Subtraction Angiography: A Tool for Quantitative In-vivo Vascular Imaging ... Enhancement is based on the principle that opacified vessels are tubular structures and appear darker (or brighter) than their surrounding

http://www.kagadis.gr/Publications/JDI_2008_21_4_433.pdf

Date added: December 31, 2013 - Views: 1

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Chapter Design and rationale of the thesis

More advanced mapping methods are colour duplex sonography (CDS), conventional digital subtraction angiography (DSA), computed tomography angiography (CTA) and magnetic resonance angiography (MRA). CDS relies on the same working principle as HHD.

http://dissertations.ub.rug.nl/FILES/faculties/medicine/2013/s.klein/01_c1.pdf

Date added: November 29, 2013 - Views: 1

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Power M-Mode Doppler and Single-Gate Spectral Analysis Using ...

continuity principle was applied using the proximal/distal cervical ICA MFV ratio. ... phy,6,12 digital subtraction angiography or MR angiogra-phy,7,13 digital subtraction angiography, MR angiography, or CDU,8 or even en bloc endarterectomy specimens,14 preva-

http://stroke.ahajournals.org/content/38/6/1780.full.pdf

Date added: October 16, 2013 - Views: 1

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Chapter Review: An overview of methods for vascular mapping ...

38 Digital subtraction angiography (DSA) In traditional angiography, an iodine-containing contrast medium is administered intra-arterially while X-

http://dissertations.ub.rug.nl/FILES/faculties/medicine/2013/s.klein/04_c4.pdf

Date added: November 29, 2013 - Views: 1

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CEREBRAL ANGIOGRAPHY - Nardinursing's

What Happens during Cerebral Angiography THE PRINCIPLE The test outlines the arteries and veins of the brain and nearby organs, ... digital subtraction angiography: a review of 112 consecutive examinations. AJNR Am J Neuroradiol 1995; 16:307-318.[Abstract]

http://nardinurses.files.wordpress.com/2008/01/cerebral-angiography.pdf

Date added: February 19, 2012 - Views: 3

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A Novel Gray-Level Registration Algorithm for DSA Image Based ...

Digital Subtraction Angiography became a new clinical diagnosis and treatment method and was popular rapidly in 1980’s [1]. ... blood vessels, the principle applies to DSA image on condition that the size of template window is appropriate. This is

http://dsp.szu.edu.cn/DSP2006/document/publications/2006/A%20Novel%20Gray-Level%20Registration%20Algorithm%20for%20DSA%20Image%20Based%20on%20Subtraction%20Histogram.pdf

Date added: October 16, 2013 - Views: 1

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SURESubtraction CT DSA - Toshiba America Medical Systems

digital subtraction angiography (DSA) algorithms, these examinations are performed every day in vascular ... Use the As Low As Reasonably Achievable radiation dose principle to balance factors such as the patient’s condition, size and age; region to be imaged; and diagnostic task.

http://medical.toshiba.com/downloads/rxl-br-suresub-ct-dsa

Date added: April 18, 2014 - Views: 1

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CT Angiography and Perfusion CT in Cerebral

gated by digital subtraction angiography (DSA), 18 underwent both cerebral PCT and MSCTA. For the ... software relies on the central volume principle, which is the most accurate for low injection rates of iodinated contrast material.22 The

http://www.ajnr.org/content/28/4/750.full.pdf

Date added: May 20, 2013 - Views: 2

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The ONE Guides 4D Neurological Imaging - Toshiba America ...

Achievable radiation dose principle to balance factors such as the patient’s condition, size and age; region to be imaged; and diagnostic task. 4 5 The ONE Guides 4D Neurological Imaging ... 4D CT Digital Subtraction Angiography (DSA) Clinical Examples

http://medical.toshiba.com/downloads/aq-one-club-guide-4d-neuro-imaging

Date added: October 16, 2013 - Views: 1

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Lecture 1 Introduction to Medical Imaging

Digital subtraction angiography – Computed tomography Copyright 2008 © University of Illinois at Chicago. Non-Ionizing Energy • Optical Imaging ... Principle of Medical Imaging Source Energy Biological sample Detector 1) Attenuated energy 2) Contrast X-ray Gamma rays Radio waves

http://proteomics.bioengr.uic.edu/imaging/lectures/bioe594-image_lecture_01.pdf

Date added: September 17, 2013 - Views: 6

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Detection and Characterization of Intracranial Aneurysms ...

Digital subtraction angiography (DSA). Magnetic resonance angiography (MRA). Intracranial aneurysm. 1 Department of Radiology, Sharif Medical City Hospital, Lahore. 2 Department of Radiology, Children Hospital, Lahore. ... The principle aim of this study was to evaluate the

http://www.jcpsp.pk/archive/2011/Jun2011/02.pdf

Date added: October 16, 2013 - Views: 1

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Neuroradiology: past, present and future - Philips Healthcare

Subtraction was based on the principle of ... Angiography (DSA) (Fig. 8b,c). Somersaulting In the 1960’s, ... Digital subtraction angiography The basic principles of subtraction had been described by Ziedses des Plantes in 19348, but Fig. 13.

http://www.healthcare.philips.com/pwc_hc/main/about/assets/Docs/medicamundi/mm_vol40_no3/baleria.pdf

Date added: November 29, 2013 - Views: 1

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Digital Fluoroscopic Imaging - AAPM: The American Association ...

Digital Subtraction Angiography • Temporal subtraction sequence – First implemented mid 1970’s • Eliminate static anatomy ... integration of digital fluoroscopy in the clinical environment and PACS Summary • Fluoroscopic / Fluorographic

http://www.aapm.org/meetings/03AM/pdf/9834-13948.pdf

Date added: December 20, 2011 - Views: 38

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CLASS-BASED NONLINEAR ENHANCEMENT STRATEGY AND ITS VALIDATION ...

Digital subtraction angiography (DSA) is a well-established modality for the visualization of blood vessels in the human body [1]-[4]. ... Section 2 discusses the principle of the enhancement method. The experiment setup is presented in Section 3.

http://www.actapress.com/PaperInfo.aspx?PaperID=44013

Date added: October 1, 2014 - Views: 1

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Wound Healing Society 2014 Update on Guidelines for Arterial ...

Principle: Using the capillary refill test with finger pressure on the dorsum of the ... resonance angiography, colour duplex and digital subtraction angiography of the lower limb arteries from the aorta to the tibio-peroneal trunk in patients with

https://whs.memberclicks.net/assets/documents/Guidelines/arterial%20ulcers.pdf

Date added: October 1, 2014 - Views: 1

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Estimation of effective dose in some digital angiographic and ...

able (the ALARA principle). In general, during procedures performed using ... At present, periods of timeanda largenumberof radiographic digital subtraction angiography (DSA) equipment images obtained. Consequently, patient dose is can give diVerent dose values, depending on the

http://www.birpublications.org/doi/pdfplus/10.1259/bjr.71.841.9534698

Date added: October 1, 2014 - Views: 1

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Note: This copy is for your personal, non-commercial use only ...

digital subtraction angiography has as-sociated risks of puncture site compli-cations, ionizing radiation, and iodine ... (10) on the basis of the principle that black blood images can be obtained in fast-flowing blood with spin-echo se-quences. Promising results have been obtained

https://files.nyu.edu/hr18/public/lim_radiology_2009.pdf

Date added: October 1, 2014 - Views: 1

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Computation of Hemodynamics in the Circle of Willis - Stroke

principle. Accordingly, the normal physiology of flow and ... phy, and digital subtraction angiography by standard protocols. A representative model of the geometry was constructed by manually analyzing natural variations in 10 patients and incorporating the

http://stroke.ahajournals.org/content/38/9/2500.full.pdf

Date added: November 29, 2013 - Views: 1

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The X-ray Tube - Midwestern State University

The X-ray Tube Tube Housing ... – digital subtraction angiographydigital radiography – Cineradiography Anode The Anode is the part of the x-ray tube where accelerated electrons move to after ... The Line-Focus Principle cont. 7 The Anode Heel Effect

http://faculty.mwsu.edu/radsci/gary.morrison/RADS_1513/Chapter_6/The_X-ray_Tube.pdf

Date added: December 28, 2011 - Views: 53

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Intuitiveness, quality and utility of intraoperative ...

The principle contraindication to its use is known iodine hypersensitivity. The ... tive digital subtraction angiography (DSA) or com-puterised tomographic angiography (CTA) and the patient’s neurological outcome. Results There were 30 females and 14 males.

http://www.brain-aneurysm.com/PDF%20publications%20Khurana/Khurana_cerebrovascular_videoangiography_study.pdf

Date added: October 8, 2012 - Views: 2

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Department of Radiology Division of Diagnostic Radiology ...

3.1 Principle and clinical application of ultrasound in evaluation of the abdomen. ... Digital subtraction angiography (DSA) 1.4 Ultrasonography 1.5 Computed tomography 1.6 Magnetic resonance imaging 1.7 Other relating techniques in Nuclear Medicine

http://radiology.md.chula.ac.th/radiology/program/FellowshipKCMH.pdf

Date added: May 5, 2012 - Views: 4

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Digital Projection Radiography - Principles, Imaging and ...

digital subtraction angiography (DSA) for fluoroscopic imaging units. This new ... which makes it fundamentally different in principle to digital techniques, which require separate steps. The digital imaging chain consists of three independent steps: image

http://www.dimond3.org/WEB_DIMOND3/Reports/WP%201/part_c_Chapter%20II.pdf

Date added: September 30, 2012 - Views: 2

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CT, MR Imaging, and MR Angiography in the Evaluation of ...

This same principle can be applied anywhere along the gray-white matter borders, ... correlation with digital subtraction an-giography. Further distinction oc- ... tal subtraction angiography for the diagnosis and early treatment of rup-tured intracranial aneurysms.

http://www.xray.org/pdf%20files/CT,%20MR%20Imaging,%20and%20MR%20Angiography%20in%20the%20Evaluation%20of%20Patients%20with%20Acute%20Stroke.pdf

Date added: May 10, 2013 - Views: 2

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DSA Image Fusion Based on Dynamic Fuzzy Logic and Curvelet ...

Digital subtraction angiography [2], an electronic technique for imaging blood vessels, is useful in diagnosing arterial occlusion, including carotid artery stenosis and pulmonary artery thrombosis, and in detecting renal vascular disease.

http://ojs.academypublisher.com/index.php/jmm/article/download/0403129136/1272

Date added: October 3, 2013 - Views: 1

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Bifurcation geometry and the presence of cerebral artery ...

The angles of arterial bifurcations are governed by principles of work minimization (optimality principle). This determines the relationship between the angle of a bifurcation and the radii of the vessels. ... digital subtraction angiography • computer-assisted image processing D J. Neurosurg.

http://thejns.org/doi/pdf/10.3171/jns.2004.101.1.0108

Date added: April 19, 2014 - Views: 1

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AFFILIATED INSTITUTIONS - Anna University, Chennai

Principle and production of soft X – Rays, Selection of anodes, heel pattern, Scattered Radiation, ... digital subtraction angiography, dental X- ray units. UNIT II TOMOGRAPHY 9 Principle, Plane of Movement, ...

http://www.annauniv.edu/academic_courses/aff/pg/r2009_ft/docs/MEDICAL%20II.pdf

Date added: October 11, 2013 - Views: 9

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Image Processing of Two Identical and Similar Photos

The principle advantage of Digital Image Processing methods is its ... in digital subtraction angiography, Pattern Recognition 35 (2002) 2853–2865. J.P. Djamdji, A. Bajaoui, R. Maniere, Geometrical registration of images: ...

http://www.iiste.org/Journals/index.php/JIEA/article/download/4159/4162

Date added: May 31, 2013 - Views: 7

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Review Article

computed radiography, digital radiography and computed tomography. These x–ray diagnostic techniques differ from each other based on the mode of image acquisition and its storage. Need for Modern Medical Imaging Systems ...

http://nexusacademicpublishers.com/uploads/files/Nexus_451.pdf

Date added: July 26, 2014 - Views: 1

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Vascular Sonography/ Technology - SDMS Home Page

Bernoulli principle..... 9 6. Reynolds number ... Conventional and digital subtraction angiography ..... 129 2. Digital subtraction arteriography (DSA)..... 129 3. Interpretation ...

http://www.sdms.org/store/ProductAttachmentHandler.ashx?ProductID=13&AttachmentType=2

Date added: July 5, 2013 - Views: 2

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Optimization Research on Weld Image Based on Computed ...

X-ray digital subtraction of the working principle is built on the image subtraction. we can subtract two image which in different conditions ,so the background interference ... Rieder SS J.Basic Concepts of Digital Subtraction Angiography. Bosten: Hall Medical,1984

http://www.ndt.net/article/wcndt2008/papers/34.pdf

Date added: December 14, 2012 - Views: 2

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Multislice CT Angiography

Multislice CT Angiography ... In principle, endovascular therapy ... rax, abdomen). Hence pre-operative imaging is of paramount importance. While intra-arterial digital subtraction angiography (DSA) represents a selective intervention and provides for high spatial resolution, it

http://www.european-hospital.com/media/article/2104/Multislice_CT_7_2005.pdf

Date added: October 16, 2013 - Views: 1

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A Fast Technique for Motion Correction in DSA using a Feature ...

In clinical practice, Digital Subtraction Angiography (DSA) is a powerful tech- ... .Since,in principle,thepotentialseverenessofamotionartifact is directlyrelatedto the strengthofthe underlyingedge, it is requiredto indicate

http://www.imagescience.org/meijering/publications/download/miccai1998.pdf

Date added: October 16, 2013 - Views: 1

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Detection and Monitoring of Vasospasm and Delayed Cerebral ...

vasospasm [10]. TCD is based on the principle that a ... angiography of cerebral vasospasm after aneurysmal subarach-noid hemorrhage: comparison of volume-rendered images and ... digital subtraction angiography. Cerebrovasc Dis. 2008;25: 144–50.

http://www.gwicu.com/Assets/Articles/Detection%20and%20Monitoring%20of%20Vasospasm%20and%20Delayed%20Cerebral%20Ischemia.pdf

Date added: September 16, 2013 - Views: 1