منابع مشابه
Photographic-assisted prosthetic design technique for the anterior teeth.
The aim of this article is to propose a standardized protocol for treating all inesthetic anterior maxillary situations using a well-planned clinical and photographic technique. As inesthetic aspects should be treated as a pathology, instruments to make a diagnosis are necessary. The prosthetic design to resolve inesthetic aspects, in respect of the function, should be considered a therapy, and...
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a method is described whereby the isodose curves of a cobalt unit were measured, using a simple photographic technique. the method reduces the effects of experimental errors and artifacts by cross_plotting the constants of decrement liner. the method is self-calibrating, and affords a useful allernative to the more usual water phantom pro:edures, in cases when this apparatus is not available
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—Body size is often an important factor in understanding an animal’s ecology. In squamates, snout-to-vent length (SVL) is a primary metric for quantifying body size. Measuring SVL typically requires capture and handling of animals, which may be difficult due to a species’ behavior or its presence in complex habitat. Here, we evaluated an alternative to the capture, handling, and direct measurem...
متن کاملSpatially Adaptive Photographic Flash
Using photographic flash for candid shots often results in an unevenly lit scene, in which objects in the back appear dark. We describe a spatially adaptive photographic flash system, in which the intensity of illumination varies depending on the depth and reflectivity of features in the scene. We adapt to changes in depth using a single-shot method, and to changes in reflectivity using a multi...
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High-dynamic-range (HDR) imaging is one of the remaining frontiers for significant advancement in consumer and professional color imaging systems. Systems for the capture, processing, and display of HDR images are gradually moving from the research labs and specialized applications to more mainstream usage and impact on consumer photography. The HDR Photographic Survey is a research project and...
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ژورنال
عنوان ژورنال: Nature
سال: 1927
ISSN: 0028-0836
DOI: 10.1038/120038c0