Search Results for author: Bernardo B. Gatto

Found 4 papers, 0 papers with code

Grassmannian learning mutual subspace method for image set recognition

no code implementations8 Nov 2021 Lincon S. Souza, Naoya Sogi, Bernardo B. Gatto, Takumi Kobayashi, Kazuhiro Fukui

The image set is represented by a low-dimensional input subspace; and this input subspace is matched with reference subspaces by a similarity of their canonical angles, an interpretable and easy to compute metric.

Face Identification Facial Emotion Recognition +1

Tensor Analysis with n-Mode Generalized Difference Subspace

no code implementations4 Sep 2019 Bernardo B. Gatto, Eulanda M. dos Santos, Alessandro L. Koerich, Kazuhiro Fukui, Waldir S. S. Junior

In this paper, we present a new method for multi-dimensional data classification that relies on two premises: 1) multi-dimensional data are usually represented by tensors, since this brings benefits from multilinear algebra and established tensor factorization methods; and 2) multilinear data can be described by a subspace of a vector space.

Action Recognition General Classification +1

Text Classification based on Word Subspace with Term-Frequency

no code implementations8 Jun 2018 Erica K. Shimomoto, Lincon S. Souza, Bernardo B. Gatto, Kazuhiro Fukui

To measure the similarity between texts, we propose the novel concept of word subspace, which can represent the intrinsic variability of features in a set of word vectors.

General Classification text-classification +1

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