COMPLETION OF HANKEL PARTIAL CONTRACTIONS OF NON-EXTREMAL TYPE
نویسندگان
چکیده
منابع مشابه
Completion of Hankel Partial Contractions of Extremal Type
We find concrete necessary and sufficient conditions for the existence of contractive completions of Hankel partial contractions of size 4×4 in the extremal case. Along the way we introduce a new approach that allows us to solve, algorithmically, the contractive completion problem for 4 × 4 Hankel matrices. As an application, we obtain a concrete example of a partially contractive 4× 4 Hankel m...
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Modern programming frameworks provide enormous libraries arranged in complex structures, so much so that a large part of modern programming is searching for APIs that “surely exist” somewhere in an unfamiliar part of the framework. We present a novel way of phrasing a search for an unknown API: the programmer simply writes an expression leaving holes for the parts they do not know. These expres...
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We present a novel multidimensional seismic trace interpolator that works on constant-frequency slices. It performs completion on Hankel tensors whose order is twice the number of spatial dimensions. Completion is done by fitting a PARAFAC model using an Alternating Least Squares algorithm. The new interpolator runs quickly and can better handle large gaps and high sparsity than existing comple...
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چکیده ندارد.
extremal region detection guided by maxima of gradient magnitude
a problem of computer vision applications is to detect regions of interest under dif- ferent imaging conditions. the state-of-the-art maximally stable extremal regions (mser) detects affine covariant regions by applying all possible thresholds on the input image, and through three main steps including: 1) making a component tree of extremal regions’ evolution (enumeration), 2) obtaining region ...
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ژورنال
عنوان ژورنال: Journal of the Korean Mathematical Society
سال: 2015
ISSN: 0304-9914
DOI: 10.4134/jkms.2015.52.5.1003