منابع مشابه
Color Moving Pictures Quality Metric
This paper presents a comprehensive quality metric for color moving pictures which is based on a spatio-temporal vision model and on the opponent-colors theory. The metric is used to assess the quality of MPEG compressed video streams and is compared with a grayscale video quality metric developed recently.
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Prevailing concepts of the optic nerve (ON) head (ONH) and peripapillary region have been informed by static histologic and photographic images. Consequently, most investigators have been biased to envision the ONH region as largely rigid. Sibony’s accompanying paper highlights a dynamic view, employing geometric morphometric analysis of optical coherence tomography of the ONH region in idiopat...
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Last autumn the image of a young Syrian boy lying dead on a Turkish beach highlighted the humanitarian plight of refugees and infl uenced public opinion. The photograph of Alan Kurdi spoke to people more powerfully than any words could have done. Photographs can move us, enrage us, challenge our ideas, and provoke us to action. Other pictures can bring joy and hope. In last year’s Lancet Highli...
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With mobile moving range queries, there is a need to recalculate the relevant surrounding objects of interest whenever the query moves. Therefore, monitoring the moving query is very costly. The safe region is one method that has been proposed to minimise the communication and computation cost of continuously monitoring a moving range query. Inside the safe region the set of objects of interest...
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The scope of the present dissertation is a deep lossy compression of still and moving grayscale pictures while maintaining their fidelity, with a specific goal of creating a working prototype of a software system for use in low bandwidth transmission of still satellite imagery and weather briefings with the best preservation of features considered important by the end user. Among the major resu...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1914
ISSN: 0036-8733
DOI: 10.1038/scientificamerican04111914-315