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General Information
| Full Name | Tushar Nayak |
| tusharnayak128@gmail.com | |
| Alumni Email | tusharn@alumni.cmu.edu |
| Website | https://tushar-nayak.github.io/ |
| Location | Chicago, Illinois |
Education
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2024-2026 Master of Science, Biomedical Engineering, Research Track
Carnegie Mellon University, Pittsburgh, PA - Computational focus. Completed May 2026.
- {"Relevant coursework"=>"Computer Vision, Visual Learning and Recognition, Image-Based Computational Modelling and Analysis, Learning for 3D Vision, Clinical Translations of AI."}
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2019-2023 Bachelor of Technology
Manipal Institute of Technology, Manipal, India - Major in Biomedical Engineering, minor in Data Science.
- {"Relevant coursework"=>"Pattern Recognition, Digital Image Processing, Digital Signal Processing, Signals and Systems, Statistical Inference and Machine Learning."}
Experience
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2026-present Staff Scientist, Surgical Biomechanics Lab
University of Chicago - Patient-specific vascular geometry and multiphysics modeling for geometric deep learning based predictive modeling.
- Lead computer vision and deep learning researcher under Dr. Luka Pocivavsek, investigating relationships between integrated baseline Gaussian curvature, longitudinal curvature-adaptive patch-wise surface-area growth, and CFD-derived pressure and velocity fields.
- Building CT/CTA-to-3D vascular modeling pipelines spanning segmentation, surface reconstruction, mesh processing, and anatomical correspondence, with extension toward biomechanical stress analysis.
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2026-present Research Collaborator, Surreality Lab
University of Pittsburgh - Enhanced intraoperative speech analysis for awake craniotomy (TRACER).
- Contributing to an automated operating-room speech pipeline combining speaker attribution, word-onset localization, overlap detection, and neural source separation.
- Evaluating overlap detection and selective source separation, auditing failure modes and robustness of diarization, temporal localization, and separation components.
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2024-2026 Graduate Student Researcher, Computational Engineering and Robotics Lab
Carnegie Mellon University - Real-time 3D vascular deformation estimation from monocular fluoroscopy for endovascular robotic surgery.
- Developed FluoroGRID, a multimodal deep learning framework combining fluoroscopic input with preoperative vascular geometry, sparse control points, and acquisition metadata to predict 3D deformation.
- Designed a quad-encoder architecture fusing image features, graph representations, sampled mesh geometry, and camera metadata with differentiable projection and physics-based geometric regularizers.
- Built a synthetic data pipeline generating over 370,000 paired 3D-2D training examples; achieved real-time inference with sub-millimeter reconstruction precision. Presented initial results at the ELSR workshop, IROS 2026.
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2025 Research Assistant, The ∀ Lab and Image Science Lab
Carnegie Mellon University - Longitudinal glioblastoma evolution and MRI-based forecasting.
- Built an Attention U-Net with temporal embeddings and Neural ODE dynamics for continuous-time glioblastoma forecasting from longitudinal multimodal MRI.
- Reduced prediction MSE by 6.7% versus a persistence baseline and relative FLAIR-volume error by 98%; presented at the 2025 CMU Biomedical Engineering Forum.
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2025-2026 Graduate Teaching Assistant
Carnegie Mellon University - Supported graduate courses in Applied Deep Learning, Fundamentals of Computational Biomedical Engineering, Computer Vision for Engineers, and Machine Learning in Experimental Biomedical Engineering Research.
Selected Research Projects
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2025-2026 Sparse-View Cardiac Reconstruction with Neural Implicit Representations
- Coordinate-based neural implicit reconstruction completing dense 3D left-ventricular geometry from three sparse 2D echocardiography sections, scored only on unobserved voxels, achieving 0.936 Dice and 0.880 IoU on MITEA.
- Matched comparison against an explicit Gaussian occupancy field under identical observations (0.902 Dice, 0.821 IoU), with mesh and topology diagnostics distinguishing genuine shape error from label artifacts.
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2026-present Deformable 3D Reconstruction of Live Endoscopic Surgical Scenes
- Prototyping deformable 3D Gaussian Splatting for dynamic monocular endoscopic reconstruction with depth/pose initialization, differentiable rendering, and deformation fields.
- Exploring semantic feature alignment for open-vocabulary querying of reconstructed surgical scenes.
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2026 Geometric Multi-View Breast Cancer Detection
- Geometric alignment and dual-view correspondence framework for paired CC/MLO mammography, integrating lesion segmentation, localization, registration, and cross-view attention.
- Reduced cross-view lesion-centroid discrepancy by 99.1%, enabling spatially aligned multi-view representations for malignancy classification.
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2025 Sparse-View Coronary Vessel Reconstruction
- Research prototype for sparse-view 3D coronary vessel reconstruction from angiography projections using Gaussian geometry, differentiable rendering, and PINN-based hemodynamic regularization. Now archived.
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2025-present Open Horizon Robotics Perception Curriculum
- Authoring open-source computer vision curriculum covering classical vision, deep learning, 3D vision, geometry, and perception physics.
Publications
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2026 The use of artificial intelligence and machine learning to predict tumor recurrence in high-grade gliomas - a systematic review
Neurosurgical Review -
2026 Toward real-time 3D vascular state estimation from monocular fluoroscopy for endovascular robotic neurosurgery
ELSR Workshop, IEEE/RSJ IROS -
2025 A review of robotics in achieving autonomous and remote neuroendovascular intervention
Journal of Intelligent & Robotic Systems (under review) -
2024 Automated histopathological detection and classification of lung cancer with an image pre-processing pipeline and spatial attention with deep neural networks
Cogent Engineering -
2024 An explainable artificial intelligence integrated system for automatic detection of dengue from images of blood smears using transfer learning
IEEE Access -
2023 Deep learning based detection of monkeypox virus using skin lesion images
Medicine in Novel Technology and Devices -
2023 Detection of monkeypox from skin lesion images using deep learning networks and explainable artificial intelligence
Applied Mathematics in Science and Engineering -
2023 Processing and detection of lung and colon cancer from histopathological images using deep residual networks
IEEE CONECCT -
2026 Real-time 3D neuro-vascular deformation estimation from sparse 2D angiography
Manuscript in preparation (IPCAI 2027 / IJCARS) -
2026 Sparse-view cardiac reconstruction with neural implicit representations
Manuscript in preparation
Honors and Awards
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2024 - Biomedical Engineering Department Head's Fellowship, Carnegie Mellon University
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2023 - Best Paper, AI Track, Second International Conference on Artificial Intelligence, Computational Electronics and Communication
Skills
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3D Computer Vision and Geometry
- Sparse-view and multi-view 3D reconstruction, 2D-3D registration, camera and projection geometry, SE(3) pose optimization, surface mesh reconstruction and deformation, discrete differential geometry, differentiable rendering.
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Neural Representations and Geometric Deep Learning
- Neural implicit representations, Fourier positional encodings, 3D Gaussian Splatting, Gaussian occupancy fields, neural deformation fields, graph neural networks, geometry-aware regularization.
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Medical Imaging and Image-Guided Intervention
- CT/CTA, MRI, fluoroscopy and angiography, ultrasound/echocardiography, mammography, endoscopy, histopathology, segmentation and registration, patient-specific anatomical reconstruction.
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Machine Learning and Computational Modeling
- Neural ODEs, physics-informed learning, multimodal learning, attention mechanisms, convolutional and graph neural networks, encoder-decoder models, curvature-based geometric descriptors.
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Programming and Research Computing
- Python, C++, CUDA, MATLAB, R, Julia; PyTorch, PyTorch3D, PyTorch Geometric, MONAI, TorchDiffEq; OpenCV, SimpleITK/ITK, VTK, VMTK, nnU-Net; Linux, Git, Docker.
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Teaching and Mentoring
- Teaching assistantships, curriculum design, technical mentoring, workshop instruction.
Other Interests
- Mountain and trail biking, piano, gaming, and comics.