Publications
Also on Google Scholar.
Under review
Karen Rosero, Y. Gao, Colin Lea, Leah Findlater, Dianna Yee (2026). Conditioned Atypical Text-to-Speech for Acoustic and Prosodic Fidelity via Flow Matching. Under review.
Journal articles
Bryan Torres, Daniel Riofrío, J. Vega-Sánchez, N. O. Garzón, Carla Parra, Karen Rosero, Felipe Grijalva (2026). A Cascaded Unsupervised–Supervised NLP Pipeline for Detecting Accusatory Language in Public Procurement. IEEE Transactions on Computational Social Systems.
DOI
Christian Santamaria, Felipe Grijalva, Karen Rosero, J. Vega-Sánchez, N. O. Garzón, H. C. Mora (2026). Enhancing SELD Performance: The Role of Data Augmentation Techniques in Spatial Sound Analysis. Sensors, 26(11), 3466.
DOI
Karen Rosero, Ali N. Salman, Lucas M. Harrison, Alex A. Kane, Carlos Busso, Rami R. Hallac (2025). Deep Learning-Based Assessment of Lip Symmetry for Patients with Repaired Cleft Lip. The Cleft Palate Craniofacial Journal, 62(2), 289–299.
PDF DOI
Ali N. Salman, Karen Rosero, Lucas Goncalves, Carlos Busso (2025). Mixture of Emotion Dependent Experts: Facial Expressions Recognition in Videos Through Stacked Expert Models. IEEE Open Journal of Signal Processing, 6, 323–332.
PDF DOI
O. L. dos Santos, Karen Rosero, Bruno Masiero, Roberto de Alencar Lotufo (2024). w2v-SELD: A Sound Event Localization and Detection Framework for Self-Supervised Spatial Audio Pre-Training. IEEE Access, 12, 181553–181569.
DOI arXiv
Diego Ríos, Carla Parra, Felipe Grijalva, D. Benítez, N. Pérez, Karen Rosero, Nathaly Orozco (2024). Learning Feature Representations from Unlabeled Data for Volcano-Seismic Event Classification. Journal of Volcanology and Geothermal Research, 445, 107970.
DOI
Karen Rosero, Carla Parra, Felipe Grijalva, J. C. Larco, R. Lara-Cueva, N. O. Garzón (2023). A-MAD: An Adaptive-Microseismic Activity Detector Based on Gaussian Mixture Models and Spectral Subtraction. IEEE Access, 11, 141289–141298.
DOI
Karen Rosero, Felipe Grijalva, Bruno Masiero (2023). Sound Events Localization and Detection Using Bio-Inspired Gammatone Filters and Temporal Convolutional Neural Networks. IEEE/ACM Transactions on Audio, Speech, and Language Processing, 31, 2314–2324.
DOI Code
P. B. Valadares, Karen Rosero, Arthur N. dos Santos, Bruno S. Masiero (2022). Song Emotion Recognition: A Performance Comparison Between Audio Features and Artificial Neural Networks. Revista Eletrônica de Iniciação Científica em Computação, 20(4), 55–62.
arXiv
Conference papers
Karen Rosero, Eunjung Yeo, David R. Mortensen, Cortney Van't Slot, Rami R. Hallac, Carlos Busso (2026). Generative Reconstruction of Pediatric Disordered Speech for Automated Clinical Evaluation. IEEE Spoken Language Technology Workshop (SLT), Palermo, Italy.
Demo Code Model arXiv
Karen Rosero, Chi-Chun Lee, Rami R. Hallac, Carlos Busso (2026). Multimodal Biomarkers of Dysarthria: Severity-Conditioned Contrastive Alignment of Speech, Text, and Facial Asymmetry. Proc. 28th ACM International Conference on Multimodal Interaction (ICMI), Naples, Italy.
PDF DOI Code Model
Shikhar Bharadwaj, Chin-Jou Li, Yoonjae Kim, Kwanghee Choi, Eunjung Yeo, Ryan Soh-Eun Shim, Hanyu Zhou, Brendon Boldt, Karen Rosero, Kalvin Chang, Darsh Agrawal, Keer Xu, Chao-Han Huck Yang, Jian Zhu, Shinji Watanabe, David R. Mortensen (2026). PRiSM: Benchmarking Phone Realization in Speech Models. Proc. 64th Annual Meeting of the Association for Computational Linguistics (ACL).
arXiv
Emily Chimbo, Felipe Grijalva, Karen Rosero (2025). Improving Dysarthria Assessment Through Voice Conversion in Low-Resource Settings. 2025 IEEE Ninth Ecuador Technical Chapters Meeting (ETCM).
DOI
Christian Santamaria, Felipe Grijalva, Carla Parra, Karen Rosero, J. Vega-Sánchez (2025). Fine-Tuning Wav2Vec2 for Low-Resource Kichwa Automatic Speech Recognition. 2025 IEEE Ninth Ecuador Technical Chapters Meeting (ETCM).
DOI
Karen Rosero, Lucas M. Harrison, Alex A. Kane, Rami R. Hallac, Carlos Busso (2025). DiffusionCleft: Facial Anomaly Synthesis Guided by Text. Proc. 27th ACM International Conference on Multimodal Interaction (ICMI), pp. 506–515.
PDF DOI
Karen Rosero, Ali N. Salman, Shreeram Suresh Chandra, Berrak Sisman, Cortney Van't Slot, Alex A. Kane, Rami R. Hallac, Carlos Busso (2025). Advancing Pediatric ASR: The Role of Voice Generation in Disordered Speech. Proc. Interspeech 2025, Annual Conference of the International Speech Communication Association (ISCA), Rotterdam, The Netherlands, pp. 2890–2894.
PDF DOI
Brian Yan, Injy Hamed, Shuichiro Shimizu, Vasista Lodagala, William Chen, Olga Iakovenko, et al., Karen Rosero (2025). CS-FLEURS: A Massively Multilingual and Code-Switched Speech Dataset. Proc. Interspeech 2025, Annual Conference of the International Speech Communication Association (ISCA), Rotterdam, The Netherlands, pp. 743–747.
arXiv
O. L. dos Santos, Karen Rosero, Bruno Masiero, Roberto de Alencar Lotufo (2025). Towards Large-Scale Self-Supervised Learning for Spatial Audio: Generating First-Order Ambisonics from Monophonic Recordings. INTER-NOISE and NOISE-CON Congress and Conference Proceedings, 272(3), 1772–1783.
DOI
Karen Rosero, Ali N. Salman, Rami R. Hallac, Carlos Busso (2024). Lip Abnormality Detection for Patients with Repaired Cleft Lip and Palate: A Lip Normalization Approach. Proc. 26th ACM International Conference on Multimodal Interaction (ICMI), pp. 479–487.
PDF DOI Code
Karen Rosero, Ali N. Salman, Berrak Sisman, Rami R. Hallac, Carlos Busso (2024). Enhanced Facial Landmarks Detection for Patients with Repaired Cleft Lip and Palate. Proc. IEEE 18th International Conference on Automatic Face and Gesture Recognition (FG).
PDF DOI
Karen Rosero, D. Abreu, Felipe Grijalva, Bruno Masiero (2023). Demystifying Spatial Audio Plugins: Comparative Insights into Functionality and Features. 2023 IEEE Seventh Ecuador Technical Chapters Meeting (ETCM).
DOI
Arthur N. dos Santos, Karen Rosero, Bruno S. Masiero (2021). Song Emotion Recognition: A Study of the State of the Art. Simpósio Brasileiro de Computação Musical (SBCM), pp. 209–212.
DOI
Karen Rosero, Bruno S. Masiero (2020). Análise e aplicação do modelo auditivo baseado nos coeficientes cepstrais da frequência de Mel. V SeGAV-e, Seminário Gaúcho de Acústica e Vibrações.
Abstracts and presentations
Karen Rosero, Lucas M. Harrison, Alex A. Kane, Carlos Busso, Rami R. Hallac (2025). Anonymizing Faces, Preserving Anomalies: Deep-Learning Based Privacy Protection for Data of Patients with Cleft Lip. International Congress on Cleft Lip/Palate and Related Craniofacial Anomalies (CLEFT), Kyoto, Japan (abstract).
Project PDF
Karen Rosero, Ali N. Salman, Carlos Busso, Rami R. Hallac (2024). Lips Symmetry Evaluation in Patients with Repaired Cleft Lip and Palate Using Self-Supervised Machine Learning. American Cleft Palate-Craniofacial Association Annual Meeting (ACPA).