نتایج جستجو برای: digital x
تعداد نتایج: 916179 فیلتر نتایج به سال:
This study aimed at the assessment and monitoring of digital image quality parameters resulting from use portable X-ray equipment in clinical examinations. A multicentric was conducted for images produced using NOMAD® with DIGORA® ™ Optime UV computed radiography (CR) system. The evaluated terms high- low-contrast spatial resolution, contrast noise ratio (CNR), signal-to-noise (SNR). samples co...
SUMMARY: Purpose: The recent technical developments in digital as well as screen-film X-ray mammography have been reviewed in order to evaluate their clinical potential and to analyse possible lines for future development. Material and methods: The scientific literature has been reviewed, conferences covered and contacts with colleagues developed. Companies in the field have been inquired and i...
Digital Earth is an integrated approach building scientific infrastructure. The ocean data is a typical big data, which can be seen from the data volume, velocity, variety, and value perspectives. The Digital Earth systems provide a threedimensional visualization and integration platform for ocean big data, which include ocean management data, in situ observation data, remote sensing observatio...
We present a content integrity service for long-lived digital documents, especially for objects stored in long-term digital archives. The goal of the service is to demonstrate that information in the archive is authentic and has not been unintentionally or maliciously altered, even after its bit representation in the archive has undergone one or more transformations. We describe our design for ...
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