منابع مشابه
Is SIFT Scale Invariant?
This note is devoted to a mathematical exploration of whether Lowe’s Scale-Invariant Feature Transform (SIFT) [21], a very successful image matching method, is similarity invariant as claimed. It is proved that the method is scale invariant only if the initial image blurs is exactly guessed. Yet, even a large error on the initial blur is quickly attenuated by this multiscale method, when the sc...
متن کاملTiming of millennial-scale climate change in Antarctica and Greenland during the last glacial period.
A precise relative chronology for Greenland and West Antarctic paleotemperature is extended to 90,000 years ago, based on correlation of atmospheric methane records from the Greenland Ice Sheet Project 2 and Byrd ice cores. Over this period, the onset of seven major millennial-scale warmings in Antarctica preceded the onset of Greenland warmings by 1500 to 3000 years. In general, Antarctic temp...
متن کاملWas millennial scale climate change during the Last Glacial triggered by explosive volcanism?
The mechanisms responsible for millennial scale climate change within glacial time intervals are equivocal. Here we show that all eight known radiometrically-dated Tambora-sized or larger NH eruptions over the interval 30 to 80 ka BP are associated with abrupt Greenland cooling (>95% confidence). Additionally, previous research reported a strong statistical correlation between the timing of Sou...
متن کاملThomas Blunier , Period Antarctica and Greenland During the Last Glacial Timing of Millennial - Scale Climate
http://www.sciencemag.org/cgi/content/full/291/5501/109 version of this article at: including high-resolution figures, can be found in the online Updated information and services, http://www.sciencemag.org/cgi/content/full/291/5501/109/DC1 can be found at: Supporting Online Material found at: can be related to this article A list of selected additional articles on the Science Web sites http://w...
متن کاملVisual interpolation is not scale invariant
According to the scale-dependence hypothesis, the visual interpolation of contour fragments depends on the retinal separation of endpoints: as the retinal size of a partially occluded angle increases, the interpolated contour gradually deviates from the shortest connecting path and approaches the shape of the unoccluded angle. In the field model, as the retinal size increases the strength of go...
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ژورنال
عنوان ژورنال: Dynamics and Statistics of the Climate System
سال: 2018
ISSN: 2059-6987
DOI: 10.1093/climsys/dzy011