Yiwei Bao

Portfolio

The index page attracts attention. The detail page proves capability.

This page gathers the projects that are currently strongest for case-study packaging. Later, each new project can be added by extending the data file.

012022Computer Vision / Competition Project

Kaggle Silver Medal: Image Matching Challenge 2022

Built on top of a LoFTR image matching baseline, then improved inference flow and geometric verification parameters to push the Kaggle Image Matching Challenge 2022 score to 0.726 and earn a silver medal.

Computer VisionKaggleImage MatchingSfMPose Estimation
022026Market Intelligence

AI Search Trends and Market Interest Analysis

Use Google Trends to compare ChatGPT, Claude, Gemini, and Perplexity, then analyze how market attention shifts across AI tools.

Google TrendsTime SeriesMarket ResearchVisualization
032026Analytics Case Study

Customer Retention, Segmentation, and Churn Prediction

A complete online retail case study spanning retention analysis, RFM segmentation, and churn prediction from data cleaning through business recommendations.

PythonPandasRetentionRFMLogistic Regression
042026Business Analytics

Hotel Booking Cancellation Analysis

Identify booking-risk patterns through cancellation analysis to help hotel teams improve channel strategy and reservation policy.

EDABusiness MetricsVisualizationCancellation
052026Product / Growth Analytics

Customer Journey Exploration

Use sample customer journey data to map behavior paths and show how funnel and stage-conversion analysis can reveal growth opportunities.

FunnelJourneyProduct AnalyticsBehavior