Unsupervised affinity learning based on manifold analysis for image retrieval: A survey

VH Pereira-Ferrero, TG Lewis, LP Valem… - Computer Science …, 2024 - Elsevier
Despite the advances in machine learning techniques, similarity assessment among
multimedia data remains a challenging task of broad interest in computer science …

Graph Convolutional Networks based on manifold learning for semi-supervised image classification

LP Valem, DCG Pedronette, LJ Latecki - Computer Vision and Image …, 2023 - Elsevier
Due to a huge volume of information in many domains, the need for classification methods is
imperious. In spite of many advances, most of the approaches require a large amount of …

Rank flow embedding for unsupervised and semi-supervised manifold learning

LP Valem, DCG Pedronette… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Impressive advances in acquisition and sharing technologies have made the growth of
multimedia collections and their applications almost unlimited. However, the opposite is true …

Regression by re-ranking

FMF Gonçalves, DCG Pedronette, R da Silva Torres - Pattern Recognition, 2023 - Elsevier
Several approaches based on regression have been developed in the past few years with
the goal of improving prediction results, including the use of ranking strategies. Re-ranking …

Weakly supervised learning based on hypergraph manifold ranking

JGC Presotto, SF dos Santos, LP Valem… - Journal of Visual …, 2022 - Elsevier
Significant challenges still remain despite the impressive recent advances in machine
learning techniques, particularly in multimedia data understanding. One of the main …

pyUDLF: A Python Framework for Unsupervised Distance Learning Tasks

G Leticio, LP Valem, LT Lopes… - Proceedings of the 31st …, 2023 - dl.acm.org
The representation of multimedia content experienced tremendous advances in the last
decades. Mainly supported by deep learning models, impressive results have been …

[HTML][HTML] Feature Fusion-Based Re-Ranking for Home Textile Image Retrieval

Z Miao, L Yao, F Zeng, Y Wang, Z Hong - Mathematics, 2024 - mdpi.com
In existing image retrieval algorithms, negative samples often appear at the forefront of
retrieval results. To this end, in this paper, we propose a feature fusion-based re-ranking …

Feature Fusion for Graph Convolutional Networks in Semi-Supervised Image Classification

MCB Gapski, LP Valem… - 2024 37th SIBGRAPI …, 2024 - ieeexplore.ieee.org
In recent years, the volume of multimedia data has been rapidly increasing across various
applications. Consequently, classification methods capable of handling scenarios with …

Unsupervised Dual-Layer Aggregation for Feature Fusion on Image Retrieval Tasks

A Moreno, DCG Pedronette - 2024 37th SIBGRAPI Conference …, 2024 - ieeexplore.ieee.org
The revolutionary advances in image representation have led to impressive progress in
many image understanding-related tasks, primarily supported by Convolutional Neural …

Self-Supervised Image Re-Ranking based on Hypergraphs and Graph Convolutional Networks

LT Lopes, LP Valem… - 2024 37th SIBGRAPI …, 2024 - ieeexplore.ieee.org
Image retrieval approaches typically involve two fundamental stages: visual content
representation and similarity measurement. Traditional methods rely on pairwise …