Results 21 to 30 of about 150,538 (265)
Remote Sensing, 2012 A decomposition scheme was applied to ALOS/PALSAR data obtained from a fast-growing tree plantation in Sumatra, Indonesia to extract tree stem information and then estimate the forest stand volume.
Yoshio Yamaguchi +6 more
doaj +1 more source
Improved ALS Online Recommendation Algorithm with Missing Data Modeling [PDF]
Jisuanji gongcheng, 2018 Implicit feedback has data noise and lacks negative feedback.When using matrix decomposition method to train recommendation model,the feature extraction is not clear and the recommendation result is skewed.Aiming at these problems,an improved Alternating
XING Yuying,XIA Hongbin,WANG Han.
doaj +1 more source
Some Combinatorial Results on the Factor Group K (G)
Journal of Kufa for Mathematics and Computer, 2016 character matrix ( ) from the character table of and finding the invariant factors of this matrix, the primary decomposition of the factor group where is determined.
Manal Najy Yagoob, Ahmed Abed Ali Omran
doaj +1 more source
Structured Matrix Methods Computing the Greatest Common Divisor of Polynomials
Special Matrices, 2017 This paper revisits the Bézout, Sylvester, and power-basis matrix representations of the greatest common divisor (GCD) of sets of several polynomials. Furthermore, the present work introduces the application of the QR decomposition with column pivoting ...
Christou Dimitrios +2 more
doaj +1 more source
Column-coherent matrix decomposition
Data Mining and Knowledge Discovery, 2023 AbstractMatrix decomposition is a widely used tool in machine learning with many applications such as dimension reduction or visualization. In this paper we consider decomposing X, a matrix of size $$n \times m$$ n × m , to a product WS ...
openaire +2 more sources
Key agreement protocol in infinite semigroup representation level
Lietuvos Matematikos Rinkinys, 2007 Matrix decomposition problem over integer ring is presented. Solving methods are discussed and it is showed, that this problem is hard computational problem regard to computer memory resources.
Artūras Katvickis +2 more
doaj +1 more source
Mueller matrix differential decomposition [PDF]
Optics Letters, 2011 We present a Mueller matrix decomposition based on the differential formulation of the Mueller calculus. The differential Mueller matrix is obtained from the macroscopic matrix through an eigenanalysis. It is subsequently resolved into the complete set of 16 differential matrices that correspond to the basic types of optical behavior for depolarizing ...
Ortega-Quijano, Noé +1 more
openaire +3 more sources
Parallel Cholesky Decomposition and Its Application Based on GPU [PDF]
Jisuanji gongcheng, 2019 In the clMAGMA library of OpenCL parallel computing framework,the large size block parallel method is used in the Cholesky decomposition algorithm,which can not make full use of the high speed local memory of GPU,and there are many data transfers between
SHEN Yan,DAI Yuxing
doaj +1 more source
Sparse Matrix Decompositions For Clustering [PDF]
, 2014 Publication in the conference proceedings of EUSIPCO, Lisbon, Portugal ...
openaire +3 more sources
Singular-Value-Decomposition-Based Matrix Surgery
EntropyThis paper is motivated by the need to stabilise the impact of deep learning (DL) training for medical image analysis on the conditioning of convolution filters in relation to model overfitting and robustness.
Jehan Ghafuri, Sabah Jassim
doaj +1 more source