نتایج جستجو برای: 3 dimentional ultrasound
تعداد نتایج: 1903956 فیلتر نتایج به سال:
Background: Diagnostic ultrasound has been used to detect human disease especially fetus abnormalities in recent decades. Although the harmful effects of diagnostic ultrasound on human have not been established so far, several researchers showed it has had bioeffects in cell lines and in experimental animals. Three-dimensional (3D), four-dimensional (4D), and color Doppler sonography are new te...
With the increasing role played by ultrasound in clinical diagnostics, ultrasound training in medical education has been becoming very important. The clinical routine is for ultrasound to be trained on real patients; therefore, monitored and guided examinations involving medical students are quite time constrained. To be realistically effective, a computerized ultrasound simulation would provid...
Ultrasound imaging is one of the common methods in medical diagnostic systems. There are many artifacts in a two dimentional image. Three dimentional imaging can be used for better interpretation and perception of an image. Since 1969 many attemps have been made in this regards, and research continues all over the world. The main goal in...
Echocardiography is the method of choice to establish a diagnosis and determine a treatment plan for patients with noncompaction of ventricular myocardium (NVM). The 2-dimentional echocardiography, 3-dimentional echocardiography, color Doppler echocardiography and contrast-enhanced echocardiography are of critical importance for diagnosis and family screening of NVM.
In this paper, a new technique for hiding the data of images has been proposed. This method uses 3-dimentional discrete cosine transformation scheme, along with 2-dimentional discrete cosine transformation. The method proposed in this paper hides two target images behind one cover image thereby increasing the data hiding capacity greatly. For the cause of security only the final stego-image is ...
Building 3-dimensional (3D) molecules is the starting point in molecular modeling. Conformer search and identification of a global energy minimum structure are often performed computationally during spectral analysis of data from NMR, IR, and VCD or during rational drug design through ligand-based, structure-based, and QSAR approaches. I herein report a convenient script that allows for automat...
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