نتایج جستجو برای: video nasoendoscopy
تعداد نتایج: 174464 فیلتر نتایج به سال:
three dimensional- high efficiency video coding (3D-HEVC) is the expanded version of the latest video compression standard, namely high efficiency video coding (HEVC), which is used to compress 3D videos. 3D videos include texture video and depth map. Since the statistical characteristics of depth maps are different from those of texture videos, new tools have been added to the HEVC standard fo...
The performance of video transmission over wireless channels is limited by the channel noise. Thus many error resilience tools have been incorporated into the MPEG-4 video compression method. In addition to these tools, the unequal error protection (UEP) technique has been proposed to protect the different parts in an MPEG-4 video packet with different channel coding rates based on the rate...
Introduction: Video games are common cultural issues with great influence in all societies. One of the important cognitive effects of video games is on creating stress on video players. The present research objective was to study different types of stress in players based on video game styles. Methods: A total of 80 players, aged 18 to 30 years, played four types of video games; Ru...
Background and Objective: Midwifery students should consider both maternal and fetal health. Hence, this study was conducted to compare the effects of simulation video education with lecture on midwifery students’ knowledge and self-confidence regarding cardiopulmonary assessment. Materials and Methods: In this quasi experimental study, 28 midwifery students randomly alloca...
According to progress of technology during the recent decades, video transmission through a wireless channel has found high demands. In this field, several methods have been proposed to improve video quality. Appearing error in motion vector values is one of the most important factors which can affect the video quality. In case of creating errors in motion vector, the synthesized video frames a...
Introduction: Anxiety is one of the most common problems of patients undergoing coronary angiography, which can significantly affect the process of performing this diagnostic test. One of the most important tasks of nurses is patient education. The aim of this study was to determine the effect of video education on the level of anxiety of patients under coronary angiography. Materials and Metho...
Melanoma is a malignant tumor and commonly found second least in the head neck region, with approximately 10% - 25% of melanomas followed by ear (8% 11%). We reported case sino-nasal melanoma 46-year-old Asian lady who presented epistaxis dysphagia. By nasoendoscopy CT scan imaging, diagnosis was later confirmed histopathology examination along immunohistochemistry using Melan A S100. Malignant...
discussions low-bandwidth, internet-based telemedicine is effective and inexpensive. surgeons living in remote areas, distant countries and especially those with limited resources , can follow the videoscopic courses, meetings, and live surgeries organized by experienced centers, on their computer screen, in real-time and interactively. results surgeon applicants who have a computer and basic i...
Synthetic Aperture Radar (SAR) is widely used in different weather conditions for various applications such as mapping, remote sensing, urban, civil and military monitoring. Recently, a new radar sensor called Video SAR (ViSAR) has been developed to capture sequential frames from moving objects for environmental monitoring applications. Same as SAR images, the major problem of ViSAR is the pres...
Video magnification is a computational procedure to reveal subtle variations during video frames that are invisible to the naked eye. A new spatio-temporal method which makes use of connectivity based mapping of the wavelet sub-bands is introduced here for exaggerating of small motions during video frames. In this method, firstly the wavelet transformed frames are mapped to connectivity space a...
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