Buscar
Mostrando ítems 1-10 de 229
Inferring modes of transportation using mobile phone data
(2018)
Cities are growing at a fast rate, and transportation networks need to adapt
accordingly. To design, plan, and manage transportation networks, domain experts
need data that reflect how people move from one place to ...
Extending Nmf To Blindly Separate Linear-quadratic Mixtures Of Uncorrelated Sources
(IEEENew York, 2016)
On the equivalence between algorithms for non-negative matrix factorization and latent Dirichlet allocation
(European Neural Network Society - ENNSBruges, 2016-04)
LDA (Latent Dirichlet Allocation ) and NMF (Non-negative Matrix Factorization) are two popular techniques to extract topics in a textual document corpus. This paper shows that NMF with Kullback-Leibler divergence approximate ...
Automatic annotation of histopathological images using a latent topic model based on non-negative matrix factorization
(Association for Pathology Informatics, 2012-01-19)
Histopathological images are an important resource for clinical diagnosis and biomedical research. From an image understanding point of view, the automatic annotation of these images is a challenging problem. This paper ...
Unsupervised method for normalization of hematoxylin-eosin stain in histological images
(Elsevier B.V., 2019-10-01)
Histological images stained with hematoxylin-eosin are widely used by pathologists for cancer diagnosis. However, these images can have color variations that highly influence the histological image processing techniques. ...
Acoustic Event Classification using spectral band selection and Non-Negative Matrix Factorization-based features
(Elsevier Ltd, 2016)
Feature extraction methods for sound events have been traditionally based on parametric representations specifically developed for speech signals, such as the well-known Mel Frequency Cepstrum Coefficients (MFCC). However, ...
Trust Prediction Basado en Trust Propagation y Homofilia
(Universidad Nacional de San Agustín de Arequipa, 2016)
El estudio de la confianza entre los usuarios de plataformas virtuales o de redes sociales en los últimos años ha ganado interés, ya que ayuda a dar fiabilidad en la información que se brinda en dichos medios. Una ...
Trust Prediction Basado en Trust Propagation y Homofilia
(Universidad Nacional de San Agustín de Arequipa, 2019)