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shivali bhatnagarSB
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shivali bhatnagar

@shivalibhatnagar

Senior Machine Learning Engineer at Samsung Research Institute Bangalore who improved 3D reconstruction quality to 45 dB PSNR.

India
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At Samsung Research Institute Bangalore, I developed an automated 3D reconstruction pipeline for an in-house dataset captured with a custom camera and unknown intrinsics. Replacing traditional SfM point clouds with DUST3R outputs improved reconstruction quality from PSNR 30 to 45 dB.

I also built a LangSplat + CLIP pipeline for open-vocabulary object detection and segmentation in 3D Gaussian Splatting scenes, where text queries return object-region masks. I authored a research paper and am improving the manuscript for resubmission.

For Samsung’s smart-glass work, I developed lightweight on-device models and compressed an activity detection model fivefold with minimal F1-score drop. I also optimized tap detection latency from two seconds to 200 milliseconds.

On the SmartThings Team, I built and deployed a carbon emissions prediction model now running in production, and developed time-series models for solar energy prediction. My project work includes Graph Neural Networks for fracture simulation and an OpenGL rendering pipeline for Chandrayaan-II mission visualization.

Experience

Work history, roles, and key accomplishments

Samsung Research Institute Bangalore logoSB

Senior Engineer

Jul 2022 - Jul 2026 (4 years)

Developed a fully automated 3D reconstruction pipeline using Gaussian Splatting and DUST3R, and built a LangSplat + CLIP pipeline for open-vocabulary object detection and segmentation. Optimized on-device ML models for smart-glass hardware and deployed carbon emissions prediction models in production.

Education

Degrees, certifications, and relevant coursework

Indian Institute of Technology Bombay logoIB

Indian Institute of Technology Bombay

M.Tech, Communication Engineering

2019 - 2022

Grade: 9.27

Pursued M.Tech in Communication Engineering at IIT Bombay from 2019 to 2022, achieving a CGPA of 9.27.

National Institute of Technology Jalandhar logoNJ

National Institute of Technology Jalandhar

B.Tech, Electronics and Communication

2013 - 2017

Grade: 7.71

Completed B.Tech in Electronics and Communication at NIT Jalandhar from 2013 to 2017, achieving a CGPA of 7.71.

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