منابع مشابه
Toward robotic x-ray vision: computed tomography
With the advent of industrial computed tomography (CT or reconstruction from projections), which is of much wider scope than medical CT, the basic mathematical and physical assumptions need to be reconsidered. This paper considers the ramifications of the indeterminacy theorem and the underdetermined nature of the reconstruction equations. A search for truth rather than honesty in their solutio...
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X-ray testing has been developed for inspection of materials or objects, where the aim is to analyze –nondestructively– those inner parts that are undetectable to the naked eye. Thus, Xray testing is used to determine if a test object deviates from a given set of specifications. Typical applications are inspection of automotive parts, quality control of welds, screening of baggage, analysis of ...
متن کاملPursuit of “X-ray Vision” for Augmented Reality
The ability to visualize occluded objects or people offers tremendous potential to users of augmented reality (AR). This is especially true in mobile applications for urban environments, in which navigation and other operations are hindered by the urban infrastructure. This “X-ray vision” feature has intrigued and challenged AR system designers for many years, with only modest progress in demon...
متن کامل"X-ray vision" and the evolution of forward-facing eyes.
Why do our eyes face forward, and why do many mammals have eyes facing sideways? Here, we describe results suggesting that the degree of binocular convergence is selected to maximize how much the mammal can see in its environment. Mammals in non-cluttered environments can see the most around them with panoramic, laterally directed eyes. Mammals in cluttered environments, however, can see best w...
متن کاملForty Years of X-Ray Binaries
In 2012 it was forty years ago that the discovery of the first X-ray binary Centaurus X-3 became known. That same year it was discovered that apart from the High-Mass X-ray Binaries (HMXBs) there are also Low-Mass X-ray Binaries (LMXBs), and that Cygnus X-1 is most probably a black hole. By 1975 also the new class of Be/X-ray binaries was discovered. After this it took 28 years before ESAs INTE...
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ژورنال
عنوان ژورنال: Science
سال: 2010
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.330.6010.1457-b