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9

DM
2002

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A local-global principle for vertex-isoperimetric problems

13 years 4 months ago

We consider the vertex-isoperimetric problem for cartesian powers of a graph G. A total order on the vertex set of G is called isoperimetric if the boundary of sets of a given siz...

Sergei L. Bezrukov, Oriol Serra

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15

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DM
2010

134views more DM 2010»

The discrepancy of the lex-least de Bruijn sequence

13 years 4 months ago

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We answer the following question of R. L. Graham: What is the discrepancy of the lexicographically-least binary de Bruijn sequence? Here, "discrepancy" refers to the max...

Joshua Cooper, Christine E. Heitsch

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12

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ICIP
2007
IEEE

143views Image Processing» more ICIP 2007»

Twister Segment Morphological Filtering. A New Method for Live Zebrafish Embryos Confocal Images Processing

14 years 6 months ago

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We propose an extension of the classical morphological filtering based on openings by line segment structuring elements. It consists in filtering a 3D+time image with the opening ...

Andrés Santos, Benoit Lombardot, Emmanuel F...

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