Software

Selected public implementations from publications.

CLS + ROI Tokens

SIBGRAPI 2026

Fine-grained image retrieval with DINOv2 register tokens and local regions of interest.

Code Preprint
DGCG / DGCG+

Pattern Recognition Letters 2026 · SIBGRAPI 2025

Rank-correlation graphs for semi-supervised image classification, with mutual-neighborhood edge weighting in DGCG+.

Code DGCG+ Code DGCG Paper 2026 Paper 2025
D-GRaNDe

SIBGRAPI 2026

Image classification with GNNs combining rank-correlation graphs and Gaussian degree normalization.

Code Paper
BRID-G

SIBGRAPI 2026

Graph construction for GCNs that combines similarity and neighborhood diversity to reduce redundant connections.

Code Paper
SCOSS — SCOre-Stratified Selection

WTAG / SBBD 2026

Coreset selection and ensemble aggregation for image classification with smaller training sets.

Code Paper
Interpretable Embeddings — GRaCE, RaDE / RaDE+

IJCNN 2025 · IJIM Data Insights 2022 · VISAPP 2020

Python package for learning interpretable contextual embeddings from similarity rankings for retrieval, clustering and classification.

Code PyPI Paper GRaCE
Contextual Contrastive Loss (CCL)

ISVC 2024

PyTorch implementation of a contrastive loss that uses contextual neighborhood similarity for image classification.

Code Paper

Unsupervised Distance Learning Framework (UDLF / pyUDLF)

ACM MM 2023 · ICMR 2017

Framework for unsupervised re-ranking and rank fusion in image retrieval, with a Python interface through pyUDLF.

Code UDLF Code pyUDLF Paper pyUDLF Paper UDLF
Weakly Supervised Experiments Framework (WSEF)

ICPR 2020 / 2021

Weakly supervised image classification through training-set expansion using rank-based contextual measures.

Code Paper
Unsupervised Selective Rank Fusion (USRF)

Neurocomputing 2020

Unsupervised selection and fusion of ranked lists for image retrieval.

Code Paper