๐ AI Researcher focused on HAR, Agriculture 4.0, and Generative Models
๐ก Passionate about LLMs, Diffusion Models, and Edge AI
๐ฌ Published at ICML 2024 and International Journals
๐ Building impactful solutions with cutting-edge technologies
๐ฑ Constantly learning and pushing the boundaries of AI
|
An Approach for Data Augmentation in HAR with Wearable Sensors Using TIMEGAN Focuses on generating realistic synthetic data from wearable sensors using TimeGAN for Human Activity Recognition. ๐ View Publication |
Using Mobile Edge AI to Detect and Map Diseases in Citrus Orchards A systematic study of Deep Learning architectures applied to disease detection and fruit counting in orchards. ๐ View Publication |
๐งฉ LLMs & NLP
Prompt Engineering: OpenAI, Hugging Face, Ollama, Anthropic
Fine-tuning: LoRA, QLoRA, PEFT
Advanced Techniques: RAG (Retrieval-Augmented Generation)
Vector Databases: FAISS, Chroma, Weaviate, Pinecone
Model Serving: FastAPI, LangChain, Docker, MLflowModels Used:
๐จ Diffusion Models & Generative AI
- โจ Stable Diffusion: text-to-image, inpainting, img2img, ControlNet, LoRA
- ๐๏ธ ComfyUI: Custom pipeline design, workflow automation, model chaining
- ๐ค Hugging Face Diffusers: Deployment and experimentation
- ๐ฏ DreamBooth & LoRA: Fine-tuning for personalized generation
- ๐จ Leonardo.AI & DALLยทE 3: API-based content generation
- ๐ Prompt Engineering: Marketing, branding, and storytelling
- ๐ง Post-processing: Upscalers, attention masking, aesthetic scoring
- ๐พ Model Management: .safetensors, .ckpt, .onnx optimization
๐ค Machine Learning & Deep Learning
Machine Learning:
- Supervised & Unsupervised Learning
- Regression, Classification, Clustering
- Time Series Forecasting & Anomaly Detection
- Recommender Systems
- Model Evaluation & Feature Engineering
Deep Learning:
- Artificial Neural Networks (ANN)
- Convolutional Neural Networks (CNN)
- Recurrent Neural Networks (RNN/LSTM)
- Computer Vision (TensorFlow, PyTorch, OpenCV)
- Transfer Learning & Model Fine-tuning
๐ Data Analytics & Visualization
Python Data Stack:
Capabilities:
- ๐ Data Wrangling & Cleaning
- ๐ Exploratory Data Analysis (EDA)
- ๐ Statistical Analysis & Hypothesis Testing
- ๐จ Visual Dashboards & Storytelling
- โก Reporting Automation (Power BI, Streamlit, Tableau)
๐ MLOps & Model Deployment
Key Practices:
- ๐ฆ Model versioning & registry (MLflow, DVC)
- ๐ Experiment tracking & parameter logging
- ๐ REST API deployment (FastAPI + Docker)
- ๐ Monitoring & Logging (Prometheus, Grafana, Kibana)
- โ๏ธ CI/CD pipelines (GitHub Actions, CircleCI)
- ๐ณ Container orchestration (Kubernetes, Docker Compose)
- ๐ Workflow automation (Apache Airflow)
- ๐ Secure API scaling with NGINX
- ๐๏ธ Microservices architecture for modular AI services
โ๏ธ Embedded Systems & Edge AI
Hardware Platforms:
- ๐ NVIDIA Jetson Nano โ AI edge computing with GPU acceleration
- ๐ก ESP32 / ESP32-C3 โ Low-power microcontrollers with Wi-Fi + BLE
- ๐ Arduino โ Prototyping with C/C++ and sensor integration
- ๐ Raspberry Pi โ Full-stack embedded Linux systems
- ๐ง Sipeed M1s Dock โ RISC-V with AI co-processor (Kendryte K210)
Applications:
- Real-time sensor data collection
- Edge AI for activity recognition (HAR)
- IoT integration with mobile apps (Flutter + BLE)
- Offline AI inference with optimized models
โญ๏ธ From Jonathan Cristovรฃo with ๐


