منابع مشابه
Extraction of Coronary Arterial Tree Using Cine X-ray Angiograms
Coronary angiography is still the most common modality for physicians to assess the severity of vessel narrowing or stenosis during percutaneous coronary intervention procedure. Accurate quantitative analysis of coronary arteries in digital angiographic images is valuable and important to clinical needs. Computerassisted extraction of a set of major arteries or the entire coronary arterial tree...
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X-ray examination of the chest revealed a large circumscribed area of absent aeration in the central portion of the left lung which extended from the axillary portion of the chest to the hilum, merging with the mediastinal structures. In the lateral projection, this circumscribed area was superimposed over the heart. An aneurysm could not be excluded; the area of diminished aeration was thought...
متن کاملIn vivo X-ray cine-tomography for tracking morphological dynamics.
Scientific cinematography using ultrafast optical imaging is a common tool to study motion. In opaque organisms or structures, X-ray radiography captures sequences of 2D projections to visualize morphological dynamics, but for many applications full four-dimensional (4D) spatiotemporal information is highly desirable. We introduce in vivo X-ray cine-tomography as a 4D imaging technique develope...
متن کاملArticulatory copy synthesis from cine x-ray films
This paper deals with articulatory copy synthesis from X-ray films. The underlying articulatory synthesizer uses an aerodynamic and an acoustic simulation using target area functions, F0 and transition patterns from one area function to the next as input data. The articulators, tongue in particular, have been delineated by hand or semi-automatically from the X-ray films. A specific attention ha...
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ژورنال
عنوان ژورنال: Japanese Journal of Radiological Technology
سال: 1985
ISSN: 0369-4305,1881-4883
DOI: 10.6009/jjrt.kj00001372134