منابع مشابه
MR photography of 3D-MR images
Background Late gadolinium enhancement MRI (LGE-MRI) has become the gold standard for assessing myocardial infarction size. In experimental infarct validation studies the left ventricle is often sliced into thin slices and subsequently stained with TTC as a gold standard for infarct quantification. There is no single imaging slice in a 3D-MR data stack that exactly represents the photographed T...
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Since 3D medical images such as SPECT and MRI are taken under different patients positioning and imaging parameters, interpretation of them, as reconstructed originally, does not provide an easy and accurate understanding of similarities and differences between them. The problem becomes more crucial where a clinician would like to map accurately region of interest from one study to the ot...
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We describe a real-time 3D face detector based on boosted cascade classifiers that uses a scale-invariant image representation to improve both efficiency and efficacy of the detection process, named orthogonal projection images. In this representation, images are no longer scanned at multiple scales in order to detect faces with different distances in relation to the camera. The proposed detect...
متن کاملGPU Based Rician Noise Removal in MR Images Using Fast Gradient Projection Algorithm Authors
Authors Jayabal Papitha, Bakthavachalam Sharmila, Damodaran Nedumaran Central Instrumentation and Service Laboratory, University of Madras, Guindy Campus, Chennai 600 0025, Tamil Nadu, INDIA Corresponding Author Damodaran Nedumaran Emails: [email protected] Abstract This paper presents a combined Fast Gradient Projection Method with Gabor filter technique for removing the Rician noise present i...
متن کاملMr Images Enhancement Using Retinex
Magnetic resonance imaging, or MRI, is a way of obtaining very detailed images of organs and tissues throughout the body without the need for x-rays or "ionizing" radiation. Instead, MRI uses a powerful magnetic field, radio waves, rapidly changing magnetic fields, and a computer to create images that show whether or not there is an injury, disease process, or abnormal condition present. A new ...
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ژورنال
عنوان ژورنال: Japanese Journal of Radiological Technology
سال: 1997
ISSN: 0369-4305,1881-4883
DOI: 10.6009/jjrt.kj00001355984