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搜索结果: 1-10 共查到临床工程学 Ultrasound相关记录10条 . 查询时间(0.078 秒)
An approach to computing estimates of the ultrasound pulse spectrum from echo-ultrasound RF sequences, measured from biological tissues, is proposed. It is computed by a “projection” algorithm base...
The problem of reconstructing the reflectivity of a biological tissue is examined by means of blind deconvolution of the echo ultrasound signals. It is shown that the quality of the reconstruction ...
An “active” ultrasound Doppler method was newly developed in order to directly and easily discriminate emboli from micro bubbles flowing in blood vessel. The principle of this method is based on measu...
The self-reference method is a magnetic resonance (MR) thermometry method for mapping temperature changes in a target organ using the baseline phase field in a region of interest (ROI) estimated by th...
An intravascular forward-looking ultrasound probe that is 3 mm in diameter has been developed. We used the probe as acoustic sources and receivers to make an ultrasound forward-looking image, but many...
Basic Studies on Gene Therapy with Ultrasound.
Combined Cancer Therapy of Ultrasound and Drug Delivery.
Gold standard freehand 3D ultrasound acquisition requires the synthesis of image-based techniques, for good fine scale detail, and position sensors, for good large scale geometrical accuracy. A hybrid...
A segmentation procedure consisting of four main stages is proposed. In the first stage, a locally adaptive contrast enhancement method is used to generate a well-contrasted image. In the second stage...
In this paper, the design, construction and evaluation of a 1.75 dimensional ultrasound phased array to be used for treating prostate cancer and benign prostatic hyperplasia is presented. With this ar...

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