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1ssb/README.md

Subhransu S. Bhattacharjee (Rudra)

AI PhD candidate at the Australian National University (expected 2027), working on generative, multimodal, and evaluation systems for decision-making under uncertainty. My research builds generative world models and spatial reasoning for perception and planning, alongside methods for evaluating what learned systems actually get right. My thesis, Into the Unknown, develops generative posteriors for reasoning about spatio-semantic uncertainty, advised by Rahul Shome, Dylan Campbell, and Stephen Gould.

Research

  • Believing is Seeing: Unobserved Object Detection using Generative Models — CVPR 2025 · project
  • FlatLands: Generative Floormap Completion from a Single Egocentric View — ECCV 2026
  • MatterDoor: Sampling Zero-shot Spatio-semantic Priors using Generative Models — under review; arXiv:2510.11014; presented at the RSS 2026 FM4RoboPlan workshop

Open-source software

  • TorchKAN — PyTorch Kolmogorov–Arnold Networks (spline, Legendre, Chebyshev, and convolutional variants) with post-training quantisation, CUDA execution, and Integrated-Gradients interpretability (190+ stars).
  • Mangroves — Python package for depth-based hierarchical data management, type-aware ingestion, and CPU–GPU tensor movement.
  • TuringTree — vectorless, on-device RAG (Ollama + Qwen) with 0–100 confidence scoring and abstention; co-developed by a four-person team during the Microsoft Global Intern Hackathon.

Applied & quantitative research — LLM-as-judge and RAG evaluation at Microsoft; Korean retail-flow modelling and market-microstructure ML at Optiver; financial-document retrieval and question answering at JPMorgan Chase. This quantitative work — probability, optimisation, temporal validation, and noisy-data inference — underpins how I build and evaluate AI systems.

Website · Google Scholar · LinkedIn · Resume

Pinned Loading

  1. torchkan torchkan Public

    PyTorch Kolmogorov-Arnold Networks (spline, Legendre, Chebyshev, convolutional) with quantisation, CUDA, and Integrated-Gradients interpretability.

    Python 190 25

  2. Flat_Lands Flat_Lands Public

    Official Repository for [ECCV2026] Flatlands: Generative Floormap Completion From a Single Egocentric View

  3. UOD UOD Public

    [CVPR'2025] Believing is Seeing: Unobserved Object Detection using Generative Models (official repository)

    HTML 3

  4. TuringTree TuringTree Public

    Vectorless, reasoning-based RAG that runs 100% on-device (Ollama + Qwen) — grounded answers with a 0–100 confidence score that abstains when unsure.

    Python

  5. Whiplash Whiplash Public

    A Closed Loop Gradient Descent Algorithm applied to Rosenbrock's function

    MATLAB 2 1

  6. LiheYoung/Depth-Anything LiheYoung/Depth-Anything Public

    [CVPR 2024] Depth Anything: Unleashing the Power of Large-Scale Unlabeled Data. Foundation Model for Monocular Depth Estimation

    Python 8.1k 613