Channel Coding Optimization for Visually Pleasant QR Codes : Invited Presentation. - Karelia Pena-Pena; Gonzalo R. Arce (CISS, 2019)

Blue-Noise Sampling of Graph and Multigraph Signals: Dithering on Non-Euclidean Domains. - Daniel L. Lau; Gonzalo R. Arce; Alejandro Parada-Mayorga; Daniela Dapena; Karelia Pena-Pena (IEEE Signal Process. Mag., 2020)

Fast spectral clustering method based on graph similarity matrix completion. - Xu Ma; Shengen Zhang; Karelia Pena-Pena; Gonzalo R. Arce (Signal Process., 2021)

Colored-QRNet: Fast QR Code Color Image Embedding. - Karelia Pena-Pena; Daniel L. Lau; Gonzalo R. Arce (EUSIPCO, 2022)

HedcutDrawings: Rendering Hedcut Style Portraits. - Karelia Pena-Pena; Gonzalo R. Arce (EGSR (ST), 2022)

A Multigraph-Defined Distribution Function in a Simulation Model of a Communication Network. - Slobodan Miletic; Ivan Pokrajac; Karelia Pena-Pena; Gonzalo R. Arce; Vladimir Mladenovic (Entropy, 2022)

QRnet: fast learning-based QR code image embedding. - Karelia Pena-Pena; Daniel L. Lau; Andrew J. Arce; Gonzalo R. Arce (Multim. Tools Appl., 2022)

A Unified View Between Tensor Hypergraph Neural Networks And Signal Denoising. - Fuli Wang; Karelia Pena-Pena; Wei Qian; Gonzalo R. Arce (EUSIPCO, 2023)

t-HGSP: Hypergraph Signal Processing Using t-Product Tensor Decompositions. - Karelia Pena-Pena; Daniel L. Lau; Gonzalo R. Arce (IEEE Trans. Signal Inf. Process. over Networks, 2023)

A Hybrid Approach Incorporating Superpixels for Diabetic Foot Lesion Segmentation Using YOLOv5 and SAM. - Lucas Taipe; Jordi Bardales; Karelia Pena-Pena; Germán Comina; Margarita Segovia (ISBI, 2024)

Transformer End-to-End Optimization of Compressive LiDARs Using Imaging Spectroscopy Side Information. - Nestor Porras-Diaz; Andres Ramirez-Jaime; Gonzalo R. Arce; Karelia Pena-Pena; David J. Harding; Mark Stephen; James MacKinnon; Rodrigo Vargas (IEEE Trans. Geosci. Remote. Sens., 2024)

HyperHeight LiDAR Compressive Sampling and Machine Learning Reconstruction of Forested Landscapes. - Andres Ramirez-Jaime; Karelia Pena-Pena; Gonzalo R. Arce; David J. Harding; Mark Stephen; James MacKinnon (IEEE Trans. Geosci. Remote. Sens., 2024)

Learning Hypergraphs Tensor Representations From Data via t-HGSP. - Karelia Pena-Pena; Lucas Taipe; Fuli Wang; Daniel L. Lau; Gonzalo R. Arce (IEEE Trans. Signal Inf. Process. over Networks, 2024)

T-HyperGNNs: Hypergraph Neural Networks via Tensor Representations. - Fuli Wang; Karelia Pena-Pena; Wei Qian; Gonzalo R. Arce (IEEE Trans. Neural Networks Learn. Syst., 2025)