Search Results for author: Ivica Kopriva

Found 9 papers, 5 papers with code

Multilayer Graph Approach to Deep Subspace Clustering

1 code implementation30 Jan 2024 Lovro Sindičić, Ivica Kopriva

Herein, we apply selected linear subspace clustering algorithm to learn representation matrices from representations learned by all layers of encoder network including the input data.

Clustering

Robust Kernel Sparse Subspace Clustering

1 code implementation30 Jan 2024 Ivica Kopriva

That, however, implies normal distribution of the error.

Clustering

LEFM-Nets: Learnable Explicit Feature Map Deep Networks for Segmentation of Histopathological Images of Frozen Sections

1 code implementation14 Apr 2022 Dario Sitnik, Ivica Kopriva

The method is aimed at, but not limited to, segmentation of low-dimensional medical images, such as color histopathological images of stained frozen sections.

Decision Making Segmentation

Clustering and classification of low-dimensional data in explicit feature map domain: intraoperative pixel-wise diagnosis of adenocarcinoma of a colon in a liver

no code implementations7 Mar 2022 Dario Sitnik, Ivica Kopriva

Results are supported by a discussion of interpretability using Shapely additive explanation values for predictions of linear classifier in input space and aEFM induced space.

Clustering Incremental Learning +1

Subspace Clustering via Robust Self-Supervised Convolutional Neural Network

no code implementations1 Jan 2021 Dario Sitnik, Ivica Kopriva

Self-supervised convolutional SC network ($S^2$ConvSCN) addressed this issue through the addition of a fully connected layer (FC) module and a spectral clustering module that, respectively, generate soft- and pseudo-labels.

Clustering

Robust Self-Supervised Convolutional Neural Network for Subspace Clustering and Classification

no code implementations3 Apr 2020 Dario Sitnik, Ivica Kopriva

Insufficient capability of existing subspace clustering methods to handle data coming from nonlinear manifolds, data corruptions, and out-of-sample data hinders their applicability to address real-world clustering and classification problems.

Clustering General Classification

$\ell_0$-Motivated Low-Rank Sparse Subspace Clustering

no code implementations17 Dec 2018 Maria Brbić, Ivica Kopriva

In many applications, high-dimensional data points can be well represented by low-dimensional subspaces.

Clustering

A Nonlinear Orthogonal Non-Negative Matrix Factorization Approach to Subspace Clustering

1 code implementation29 Sep 2017 Dijana Tolic, Nino Antulov-Fantulin, Ivica Kopriva

A recent theoretical analysis shows the equivalence between non-negative matrix factorization (NMF) and spectral clustering based approach to subspace clustering.

Clustering

Multi-view Low-rank Sparse Subspace Clustering

2 code implementations29 Aug 2017 Maria Brbic, Ivica Kopriva

Most existing approaches address multi-view subspace clustering problem by constructing the affinity matrix on each view separately and afterwards propose how to extend spectral clustering algorithm to handle multi-view data.

Clustering Multi-view Subspace Clustering

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