منابع مشابه
Visualization Techniques for Surveillance: Visualizing What Cannot Be Seen and Hiding What Should Not Be Seen
Introduction Video surveillance (closed-circuit television, CCTV) systems are becoming ubiquitous; you can hardly take a walk in a modern city center without being recorded by surveillance cameras, even less so inside shops and malls. A large shopping mall can have hundreds of cameras installed, a football stadium maybe one hundred. Typically, these cameras are connected to a control center, wh...
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How many species are likely as-yet unknown to science? Even in relatively well-known groups, there may be substantial numbers of such species. It seems likely that these unknown species will be rare and threatened with extinction. Indeed, science may not discover them before they go extinct. We address these issues for a sample of endemic flowering plants and three vertebrate groups: amphibians...
متن کاملHow many extant pinniped species remain to be described?
How many extant pinniped species remain to be described? Michael A. Woodley a , Darren Naish b & Hugh P. Shanahan c a School of Biological Sciences, Royal Holloway, University of London, Egham, Surrey, TW20 0EX, UK b School of Earth and Environmental Sciences, University of Portsmouth, Portsmouth, PO1 3QL, UK c Department of Computer Science, Royal Holloway, University of London, Egham, Surrey,...
متن کاملWhat can be seen in videokymographic images?
Kymographic imaging refers to a special way of displaying vibrations by putting together a great number of successive images of a vibrating object viewed through a thin slit. In medicine, the method has been found particularly well suited for imaging vibrations of the vocal folds, which are the ultimate source of human voice. Here we address the question on which vibratory characteristics of th...
متن کاملWhat can be seen in a glance?
____________________________________________________________________________________________________ * This work was supported by NIMH Grant R01-MH58606. Correspondence concerning this article should be either author at: Department of Psychology, 1 University Station, A8000, The University of Texas at Austin, Austin, Texas 78712. Electronic mail may be sent to [email protected], gilden...
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ژورنال
عنوان ژورنال: Symposium - International Astronomical Union
سال: 1992
ISSN: 0074-1809
DOI: 10.1017/s0074180900089968