نتایج جستجو برای: virtual touch tissue quantitative
تعداد نتایج: 1358717 فیلتر نتایج به سال:
OBJECTIVE Virtual touch tissue quantification (VTQ) of acoustic radiation force impulse (ARFI) is a new quantitative technique to measure tissue stiffness. The study was aimed to assess the usefulness of VTQ in the diagnosis of thyroid nodules. METHODS 173 pathologically proven thyroid nodules in 142 patients were included and all were examined by conventional ultrasound (US), conventional el...
OBJECTIVE To evaluate the overall performance of acoustic radiation force impulse imaging (ARFI) in differentiating between benign and malignant lymph nodes (LNs) by conducting a meta-analysis. METHODS PubMed, Embase, Web of Science, the Cochrane Library and the China National Knowledge Infrastructure were comprehensively searched for potential studies through August 13th, 2016. Studies that ...
This meta-analysis was aimed to assess the diagnostic performance of acoustic radiation force impulse (ARFI) elastography for the differentiation of malignant and benign breast lesions. The databases of PubMed, Web of Science(TM), WanFang, Vip, SinoMed and China National Knowledge Infrastructure were searched for all studies that evaluated the diagnostic performance of ARFI including virtual to...
Palpation is an important method of feeling with hands during a physical examination, in which the doctor presses on the surface of the patient body to feel the organs or tissues underneath. In current surgical simulation systems, the lack of an effective sense of touch is still a major problem. In this paper, a dynamic touch-enabled virtual palpation model is proposed. The palpation force sens...
Virtual Touch Screen, on a projected area, is a system in which the projection on any ordinary flat surface provides us a graphical work-field for controlling specific kind of operations without any sophisticated touch sensors. Moreover, an ordinary screen area can be transformed into virtual touch screen with the use of a webcam and a projector. The webcam can take the picture of an indicator ...
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