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VividhDesign/README.md

Hi, I'm Vividh 👋

Final-year B.Tech in AI & ML at BIT Mesra ('27). I work on time-series deep learning and on retrieval and vector-search systems.

  • 📄 Research: A transformer-based architecture for pre-impact fall detection with highly imbalanced data, accepted at the 14th IEEE ISED 2026 (wearable IMU time series, KFall).
  • 🗄️ Strata: a vector database built from scratch in C++17 (HNSW, NEON/AVX2 SIMD, WAL). On SIFT1M it matches FAISS and runs 1.9× faster than hnswlib at equal recall.
  • 🔎 Evident: a RAG system with careful evaluation. Its BM25 reproduces Pyserini within ±0.002, and it uses an LLM-as-judge harness with bootstrap CIs.
  • 🌱 Open source: sktime · usearch (#793, #794) · skpro · skbase

📫 vividh2004@gmail.com

Pinned Loading

  1. OverlayAi OverlayAi Public

    JavaScript 1

  2. dhuaan dhuaan Public

    Python 3

  3. evident evident Public

    RAG where every component is measured: from-scratch BM25 + Strata vector search, tuned hybrid fusion, cited answers, LLM-judge evaluation on BEIR (nDCG, faithfulness, citation precision, abstention).

    Python

  4. strata strata Public

    Vector database written from scratch in C++17: HNSW index, NEON/AVX2 SIMD, parallel build, WAL durability, REST server, Python bindings. Matches FAISS, ~2x hnswlib on SIFT1M.

    C++

  5. sktime/sktime sktime/sktime Public

    A unified framework for machine learning with time series

    Python 10.1k 2.4k

  6. unum-cloud/USearch unum-cloud/USearch Public

    Fast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍

    C++ 4.3k 353