نتایج جستجو برای: ultrasound image de

تعداد نتایج: 2000066  

Journal: :International Journal of Image, Graphics and Signal Processing 2012

2013
Amit Kumar Gupta

Medical practitioners are increasingly using digital images during disease diagnosis several stateof-the-art medical equipments are producing images of different organs, which are used during various stages of analysis. Examples of such devices include MRI, CT, ultrasound and X-Ray. In medical image processing, image denoising has become a very essential exercise all through the diagnose becaus...

Journal: :International Journal of Research in Engineering and Technology 2014

2012
Ihor Trots Andrzej Nowicki Marcin Lewandowski Yuriy Tasinkevych

Medical ultrasound imaging is a technique that has become much more prevalent than other medical imaging techniques since it is more accessible, less expensive, safe, simpler to use and produces images in the real time. However, images produced by an ultrasound imaging system, must be of sufficient quality to provide accurate clinical interpretation. The most commonly used image quality measure...

2011
Komal Juneja Akash Tayal Ashish Thakur

Ultrasound Imaging is primary modality in the diagnosis of many diseases. Compared to other imaging techniques ultrasound imaging owes its great popularity to the fact that it is safe and noninvasive procedure for visualizing the heart, vasculature, abdomen, fetal monitoring etc. Ultrasound images are degraded by intrinsic artifacts called speckle which is result of constructive and destructive...

1997
Stefan Pieper Michael Weidenbach Thomas Berlage

Ultrasound images of the heart are obtained by a probe placed on the patient's chest. The resultant image is a triangular plane with its base in the middle of the body and the tip close to the probe on the chest. Thus, image planes with a different orientation (e.g. parallel to the surface of the body) are impossible to obtain. The aim of current 3D ultrasound of the heart is to provide the phy...

2016
Congzhi Wang Yang Xiao Jingjing Xia Weibao Qiu Hairong Zheng

Plane-wave ultrasound imaging (PWUS) has become an important method of ultrasound imaging in recent years as its frame rate has exceeded 10,000 frames per second, allowing ultrasound to be used for two-dimensional shear wave detection and functional brain imaging. However, compared to the traditional focusing and scanning method, PWUS images always suffer from a degradation of lateral resolutio...

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