cv

Basics

Name Nisan Chhetri
Label PhD Candidate
Email nchhetr DOT ncsu DOT edu
Url https://nisanchhetri.github.io/
Summary A 5th-year PhD candidate in Computer Science at NC State University with diverse expertise in Machine learning and Creativity!

Work

  • 2023.05 - 2023.08
    AI/ML Intern
    US Department of Agriculture
    Applied machine learning techniques in microbiome dataset to identify growth-enhancing fungi in swine.
    • Machine learning
    • Microbiome
    • Pattern identification
    • Swine growth
  • 2021.08 - Present
    Graduate Teaching Assistant
    North Carolina State University
    Assist students with homework assignments, projects, and exams. Conduct office hours. Prepare learning materials. Provide feedback on slides, presentation skills, and reports.
    • Discrete Mathematics
    • C and Software Tools
    • Artificial Intelligence (AI)
    • Technical Communication
  • 2021.08 - Present
    Graduate Research Assistant
    North Carolina State University
    Researching on estimating creativity using psychological properties in image domain.
    • Creativity
    • Psychology
    • Image understanding

Education

  • 2021.08 - 2024.12

    Raleigh, North Carolina

    Master's in Computer Science
    North Carolina State University
    Machine learning and Creativity
    • Data Structures and Algorithms
    • Artificial Intelligence
    • Data Mining
    • Neural Networks
    • Efficient Deep Learning
    • Software Engineering
    • Accelerated Deep Learning
    • Advanced Machine Learning
    • Technical Communication
  • 2021.08 - 2026.05

    Raleigh, North Carolina

    PhD in Computer Science
    North Carolina State University
    Machine learning and Creativity
    • Dissertation title: Modeling Creativity Dimensions to estimate Image Creativity

Awards

Certificates

Machine Learning
Coursera 2021-03
Python for Everybody
Coursera 2020-08
Fundamental of RL
Coursera 2020-05

Skills

Languages
Python, C/C++, R, CUDA, Bash/Linux/Unix, SQL
Machine Learning
Supervised & Unsupervised Learning, Optimization, Time-Series Analysis, CNNs, LSTMs, Transformers/LLMs, Diffusion Models, GANs, Computer Vision
Frameworks/Libraries
PyTorch, TensorFlow, Keras, sci-kit learn, Pandas, NumPy, Matplotlib, Plotly, OpenCV, Gradio, Streamlit, Hugging Face, A/B Testing, Pandas, NumPy, Tableau, Docker, Kubernetes, Github, AWS, Azure, Vertex AI, Google Cloud Platform

Languages

Nepali
Native speaker
English
Fluent

Interests

Activities
Hiking, Swimming, Photography, Singing, Playing guitar
Games
Chess, Cricket, Table tennis, Board games

Projects

  • 2024.05 - Present
    Automated image generation via prompt-based guidance
    Developed a fully automated user-driven T2I framework using prompt engineering; discovered major limitations in diffusion-based models for complex object generation. Introduced a novel CAS metric and achieved visual flaw detection accuracy by nearly 240% (0.54 vs. 0.16) over the CLIP baseline across four vehicle categories.
    • text-to-image
    • prompt engineering
  • 2023.01 - 2023.05
    Few-shot Learning for Energy Detection
    Developed a few-shot learning model using Prototypical Networks and RepPoints embeddings for aerial imagery classification. This model achieved 95% accuracy on novel energy facility classes with limited training data.
    • few-shot learning
    • prototypical networks
    • image embeddings
  • 2022.08 - 2022.12
    Evaluation of various BERT algorithms
    Systematically benchmarked five BERT model variants across eight GLUE tasks, rigorously identifying the optimal performer for Natural Language Understanding (NLU). The analysis revealed key performance differences between semantic and syntactic tasks.
    • BERT algorithms
    • GLUE tasks
    • natural language understanding
  • 2022.02 - 2022.05
    EcoNet Weather Forecasting
    Built an ensemble classification model using SMOTE and CatBoost on a 6.5 million-sample, severely imbalanced dataset. This system achieved 99% recall, ranking 1st among 25 competing teams.
    • machine learning
    • class imbalance
    • classification
  • 2021.10 - 2021.12
    Pneumonia Detection
    Applied the DenseNet deep learning architecture to chest X-ray data for automated pneumonia detection and localization. This project demonstrated proficiency in medical imaging analysis by achieving 80% accuracy on the diagnostic classification task.
    • deep learning
    • computer vision
    • medical image analysis