نتایج جستجو برای: sieving

تعداد نتایج: 1939  

2005
M. A. Shahin

Shahin, M.A. and Symons, S.J. 2005. Seed sizing from images of non-singulated grain samples. Canadian Biosystems Engineering/Le génie des biosystèmes au Canada 47: 3.49 3.55. Image analysis is a strong candidate for developing automated measurement systems for seed sizing. A unique image analysis (IA) based approach to measuring seed size from non-singulated samples is presented in this paper. ...

Journal: :The Journal of General Physiology 1973
A. Verniory R. Du Bois P. Decoodt J. P. Gassee P. P. Lambert

The transport equation describing the flow of solute across a membrane has been modified on the basis of theoretical studies calculating the drag of a sphere moving in a viscous liquid undergoing Poiseuille flow inside a cylinder. It is shown that different frictional resistance terms should be introduced to calculate the contributions of diffusion and convection. New sieving equations are deri...

2017
Gottfried Herold Elena Kirshanova Thijs Laarhoven

In this work we study speed-ups and time–space trade-offs for solving the shortest vector problem (SVP) on Euclidean lattices based on tuple lattice sieving. Our results extend and improve upon previous work of Bai–Laarhoven– Stehlé [ANTS’16] and Herold–Kirshanova [PKC’17], with better complexities for arbitrary tuple sizes and offering tunable time–memory tradeoffs. The trade-offs we obtain st...

Journal: :Journal of Mathematics Research 2019

Journal: :Bernoulli 2021

It is known that backward iterations of independent copies a contractive random Lipschitz function converge almost surely under mild assumptions. By sieving (or thinning) procedure based on adding to the functions time and space components, it possible construct scale invariant stochastic process. We study its distribution paths properties. In particular, we show càdlàg has finite total variati...

2011

The analysis of the size distribution is an important step during the development of new products and also during the production quality control. In addition to the interest in the average particle size, a special focus is also on the detection of oversized particles. The particle size distributions of detergents used as washing powders are traditionally analyzed by sieving. But detergents are ...

2004
BAO-LIANG Lu

This paper presents a multi-sieving network (MSN) architecture and a multi-sieving learning (MSL) algorithm for it. The basic idea behind MSN architecture is the multi-sieve method, that is, patterns are classified by a rough sieve at the beginning and done by finer ones gradually. MSN is constructed by adding a sieving module (SM) adaptively with progress of training. SM consists of two differ...

2016
Yousang Yoon Seonil Kim Jusin Lee Jaewoong Choi Rae-Kwon Kim Su-Jae Lee Onejae Sul Seung-Beck Lee

In microfluidic filtration systems, one of the leading obstacles to efficient, continuous operation is clogging of the filters. Here, we introduce a lateral flow microfluidic sieving (μ-sieving) technique to overcome clogging and to allow continuous operation of filter based microfluidic separation. A low frequency mechanical oscillation was added to the fluid flow, which made possible the rele...

2015
Vanessa Vitse Alexandre Wallet

The best algorithms for discrete logarithms in Jacobians of algebraic curves of small genus are based on index calculus methods coupled with large prime variations. For hyperelliptic curves, relations are obtained by looking for reduced divisors with smooth Mumford representation [4]; for non-hyperelliptic curves it is faster to obtain relations using special linear systems of divisors [2, 3]. ...

2007
Keith Forbes Gerhard de Jager

Multi-view shape-from-silhouette systems are increasingly used for analysing stones. This thesis presents methods to estimate stone shape and to recognise individual stones from their silhouettes. Calibration of two image capture setups is investigated. First, a setup consisting of two mirrors and a camera is introduced. Pose and camera internal parameters are inferred from silhouettes alone. S...

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