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hei1sme/README.md

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PortfolioScholarLinkedIn


@@ Third-year AI Student @ FPT University | GPA: 8.62/10.0 @@+ Published Researcher in Springer LNAI (Q2)+ Founder of SpeedyLabX Research Group! Seeking Research Internships & Collaboration Opportunities

👋 About Me

focus: "Building transparent, interpretable AI systems"specialization:
- Explainable AI (SHAP, Attention Mechanisms)
- Multimodal Learning (Audio-Text-Vision)
- Time-Series Forecasting (Transformers)
- Speech Processing (Low-Resource ASR)

I'm an AI researcher passionate about making machine learning models more interpretable and trustworthy. As founder of SpeedyLabX, I lead a team of 10 undergraduate researchers exploring cutting-edge problems in explainability, multimodal fusion, and speech systems.


🔬 Featured Research

SmokeNet

Air Quality Forecasting

metrics= {
"MAE": 0.7470,
"R²": 0.9545,
"improvement": "35.9% vs XGBoost"
}

Transformer-based system with SHAP explainability for public health warnings

PyTorchTransformerSHAPXAI

PaperQ2

AJCAI 2025First Author

MERR-GAT

Emotion Recognition

architecture= {
"audio": "Wav2Vec2",
"text": "RoBERTa",
"fusion": "GATv2"
}

Graph-based multimodal fusion with intrinsic attention explainability

Wav2Vec2RoBERTaGATv2XAI

StatusCode

IEMOCAP • RAVDESS • MELD

Vietnamese ASR

Speech Recognition

model= {
"params": "5.4M",
"data": "745 hours",
"WER": "33.09%",
"CER": "15.28%"
}

Parameter-efficient CNN-BiLSTM with CTC for Vietnamese speech

CNNBiLSTMCTCASR

WERCER

Competitive vs Foundation Models


📝 Publications

@inproceedings{le2025smokenet,
title = {Proactive Air Quality Forecasting and Health Alert System for Melbourne},
author = {Gia-Hung Nguyen Le and others},
booktitle = {AI 2025: Advances in Artificial Intelligence},
series = {Lecture Notes in Artificial Intelligence (LNAI)},
publisher = {Springer Nature Singapore},
year = {2025},
note = {Q2 (SJR 2024)}
}

📄 Full PaperFirst Author & Corresponding Author


🎯 Research & Skills

research_focus:
time_series:
- Transformer architectures
- Environmental prediction
- Chronological cross-validationmultimodal_learning:
- Audio-text fusion
- Graph Neural Networks
- Conversational AIexplainable_ai:
- SHAP interpretability
- Attention mechanisms
- Integrated Gradientsspeech_processing:
- End-to-end ASR
- Low-resource languages
- CTC optimization
technical_stack:
languages:
- Python
- SQL (PostgreSQL)frameworks:
deep_learning: [PyTorch, TensorFlow, Keras]ml_tools: [Scikit-learn, Hugging Face, OpenCV]mlops:
- Docker
- Weights & Biases
- Git
- Linux
- Streamlitdata_science:
- Pandas
- NumPy
- Matplotlib

🛠️ Tech Arsenal

Languages

PythonSQL

Deep Learning

PyTorchTensorFlow

ML Ecosystem

HuggingFacescikit-learn

MLOps & Tools

DockerWeights & Biases


📊 GitHub Activity

GitHub StreakGitHub Stats



Activity Graph

🏆 Achievements & Leadership

🎯 Achievement📅 Year🔗 Details
Published in Springer LNAI2025First-author paper at AJCAI (Q2)
Founded SpeedyLabX2024Research group of 10+ undergraduates
Certificate of Merit2024-25Honorable Student (Semesters 3, 4, 5)
Vietnamese ASR Breakthrough202533.09% WER on 745-hour corpus
IBM Data Science Certifications2024Professional Certificate track

👥 SpeedyLabX Leadership

constspeedyLabX={role: "Founder & Student Lead",established: 2025,team_size: "10+ undergraduate researchers",activities: ["Weekly technical workshops and paper reading groups","End-to-end publication workflow management","Mentoring on deep learning & research methodology","Successfully guided first AJCAI-accepted paper"],focus_areas: ["Explainable AI","Multimodal Learning","Speech & NLP","Time-Series Forecasting"]}


💼 Open to Opportunities

! Actively seeking Research Internships & Collaborations in:+ Explainable AI & Interpretable Machine Learning+ Multimodal Learning (Audio-Visual-Text)+ Speech & Natural Language Processing+ Time-Series Forecasting & Graph Neural Networks

📫 Let's Connect!

EmailSpeedyLabXPortfolio


Academic Profiles

ORCIDGoogle ScholarScopusWeb of Science


Profile Views


FPT University • Ho Chi Minh City, Vietnam 🇻🇳

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  1. SpeedyLabX/melbourne-air-quality-forecastSpeedyLabX/melbourne-air-quality-forecastPublic

    A Proactive Air Quality Forecasting and Health Alert System for Melbourne. This project fuses multimodal data (satellite, social media, sensors) and leverages advanced ML/AI models (Transformer, XA…

    Jupyter Notebook

  2. SpeedyLabX/ser-conformer-gat-xaiSpeedyLabX/ser-conformer-gat-xaiPublic

    Multimodal SER with Compact Conformer (audio) + BERT/RoBERTa (text) + GAT fusion, with XAI visualizations (attention/shap). Target datasets: IEMOCAP (train/eval), RAVDESS/MELD (generalization).

    Python

  3. aura-appaura-appPublic

    Your Intelligent Wellness Companion.

    Svelte

  4. hei-portfoliohei-portfolioPublic

    ✨ Personal portfolio website built with Next.js, TypeScript, and Tailwind CSS to showcase Le Nguyen Gia Hung’s profile, skills, projects, and contact info with smooth animations and responsive design.

    TypeScript

  5. git-github-bookgit-github-bookPublic

    Comprehensive guide on using Git & GitHub for professional software development and teamwork.

  6. linkedin-auto-connectlinkedin-auto-connectPublic

    Browser extension that automates LinkedIn connection requests directly from search results and recommendations. Built for Chromium-based browsers with a lightweight setup and intuitive interface.

    JavaScript