Publications

Grouped honestly by venue type. Underlined = me. See also my Google Scholar.

Two threads: neuroimaging and generative models for brain MRI (LISA, RISE, brain-age flow matching), and sign-language recognition for accessibility.

Challenge tracks

  • Robust Multi-Label Classification of MRI Artifacts in Low-Field Neonatal Brain Imaging via View-Conditional Dual-Task Learning
    Cristian Lazo, Roberto Espinoza. MICCAI 2025LISA ChallengeSpringer LNCS · Scopus Q2 papercode
  • Cascaded Coarse-to-Fine Segmentation for Hippocampal Structures in Low-Field Neonatal MRI
    Cristian Lazo, Roberto Espinoza. MICCAI 2025RISE Challenge code
  • AI4Good at SignEval 2026: Mix, Measure, Merge with Spectro-Temporal Augmentation and Multi-Model Fusion for Isolated Radar-Based Italian Sign Language Recognition
    Cristian Lazo, Gissella Bejarano. 1st place · MSLRCVPR 2026CVPRW proceedings paper
  • Robust Deepfake Detection, NTIRE 2026 Challenge: Report
    B. Hopf, R. Timofte, et al. (incl. Cristian Lazo). CVPR 2026NTIRE ChallengeCVPRW proceedings paper

Peer-reviewed (conference / journal)

  • WholeBodyPose: A Unified End-to-End Framework for SLR and Pose-Based Training Data
    Cristian Lazo, Renato Castro-Cruz, Gissella Bejarano. ICMV 2025 code
  • Real-Time Face Tracking and Vector Databases for Scalable Face Recognition
    Cristian Lazo, Renato Castro-Cruz, Ricardo R. Rodríguez Bustinza. ISCMI 2025 code
  • Automatic 3D Teeth Segmentation for STL Teeth Models
    Cristian Lazo. IHIP 2019 pdf
  • A Brief Survey on Deep-Learning Methods for Lung-Cancer Classification using CT Scans
    Mario G. Borja Borja, Roger Huauya, Cristian Lazo. IEEE CHILECON 2019 pdf
  • A Static Hand-Gesture Recognition for Peruvian Sign Language
    Cristian Lazo, Zaid Sanchez, Christian Carlos del Carpio. BTSym 2018 pdf

Workshops & non-archival - LatinX in AI

  • SignERT: An Efficient Pose-Only Transformer for ISLR
    Cristian Lazo, Mauricio Salazar, Gissella Bejarano. LatinX @ CVPR 2025extended abstract demo
  • Enhancing Anomaly Detection with Spatial Transformer Networks
    Renato Castro-Cruz, Cristian Lazo. LatinX @ NeurIPS 2023 pdf
  • Impact of Pose-Estimation Models for Landmark-Based Sign-Language Recognition
    Cristian Lazo, Joe Huamani, Gissella Bejarano, Pablo Rivas, Tomas Cerny. LatinX @ NeurIPS 2022 pdf
  • Segmentation of Skin Lesions and Their Attributes Using GANs
    Cristian Lazo. LatinX @ NeurIPS 2019 arXiv

Preprints / in progress

  • Flow Matching with Contrastive Learning for Continuous Brain-Age Interpolation in MRI
    Cristian Lazo, Juan Miguel Valverde. in progresstarget MICCAI 2027
  • Age-Conditional Latent Flow Matching for Modeling Healthy Brain Ageing in MRI
    Cristian Lazo. posterDL4Sci 2026 · UC Berkeley / Berkeley Lab

Projects & demos

  • Diffusion & Flow-Matching Notes - derivations and PyTorch implementations of DDPM and Flow Matching (ELBO, variational inference, neural flows, ODEs). code · demo
  • Multimodal Image–Text Matching - image–text alignment with CLIP, DeepSeek, and hybrid encoders for semantic retrieval. code
  • Spontaneous Behavior & Visual-Cortex Dynamics - analysis of large-scale mouse visual-cortex recordings (Stringer et al.). code

Awards

  • 2026 1st - CVPR 2026 MSLR Challenge, Track 2 (multimodal sign-language recognition)
  • 2024 1st - Ferreyros forecasting datathon
  • 2022 1st - Entel telecom forecasting datathon (Kaggle)
  • 2021 1st - BNP Paribas & Coursera data-science challenge
  • 2022 2nd - Marine audio-recognition datathon
  • 2025 Top 7% - WiDS Datathon (1k+ participants)
  • 2022 Top 3% - WiDS Datathon (10k+ participants)
  • 2021 1st - Big Data & ML for COVID-19 nanodegree, UTEC
  • 2017 Top 6 - ACM-ICPC regional programming contest