Projects: Gesture Based Mouse Using Python Description: Hand gestures translated to cursor actions for contactless computer interaction. Created a Virtual mouse that uses hand gestures for controlling the cursor using Python, OpenCV and MediaPipe. I enabled touchless interactions by mapping gestures to mouse movements and clicks. I also focused on real-time processing and accuracy across diverse environments. Key contribution: Built a basic gesture recognition system using Python, OpenCV and MediaPipe to control mouse movements. Processed live Webcam feed to track hand landmarks and map finger gestures to cursor actions. Mapped gestures to mouse operations like move, click, drag and scroll using Geometric Calculations Applied Smoothing Techniques using NumPy to ensure cursor stability and reduce the jitters. Tuned the gesture recognition to perform reliably by using different lights and background conditions. Packaged the solutions into a self-contained Python Script with minimal dependencies for easy use. PredictiCare: Health Predictions Using ML Description: Machine learning models for predicting health issues to support proactive care. I have built ML models to predict potential health issues based on user data and medical history. I implemented classification algorithms like Neural Networks, Classification trees, Naïve Bayes, Random Forest, XgBoost, ADABoost and Logistic Regression for early diagnosis support with high accuracy. I aimed to assist for taking proactive decisions through Predictive Analytics. Key contributions: Built a supervised Machine Learning model using Scikit-learn to predict health conditions based on patient data. Cleaned and prepared the dataset using Pandas which includes missing value handling, label encoding and feature scaling. Trained and compared models such as Logistic Regression, Random Forest and XGBoost to optimize the performance. Achieved approximately 85% accuracy by using Hyperparameter tunning and validating results using Cross-validation technique. Used Matplotlib and Seaborn for Exploratory Data Analysis and results visualization. Interpreted model outputs using feature importance to identify key health risk indicators. Documented the pipeline in Jupyter Notebook and shared results with a simulated clinical dashboard view. Fraud Shield Using Deep Learning Description: System designed to detect fraudulent activities in real time using deep learning models. I had built a real time fraud detection system using Deep Learning on the transactional data. I leveraged LSTM and dense Neural Networks to identify the suspicious patterns in the financial data. I also improved fraud recall significantly by enhancing financial system security. Key contributions: Designed a fraud detection system using TensorFlow and Keras by leveraging LSTM to capture sequential patterns. Pre-processed synthetic transactions data using Pandas which handles the outliers and transforming categorical variables. Structured time-series input data for LSTM by reshaping transactional histories for each user. Handled imbalanced classes using class weights and evaluated model performance with Precision, Recall and AUC. Achieved over 90% fraud Recall by minimising False Negatives in testing situations. Visualised Confusion Matrix and ROC Curve using Matplotlib for fraud vs non-fraud interpretation.
30 May 2023
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