Teaching a Random Forest to Tell Walking from Running: A Computer Vision Pipeline with Hand-Built...

📰 Medium · Python

Learn how to build a computer vision pipeline using random forest to classify walking from running with 86% accuracy

intermediate Published 8 May 2026
Action Steps
  1. Build a baseline model with 56 features
  2. Use per-class SHAP to guide feature engineering decisions
  3. Engineer new features to improve model accuracy
  4. Train a random forest classifier with 240 features
  5. Evaluate the model's performance using accuracy metrics
Who Needs to Know This

Data scientists and machine learning engineers can benefit from this article to improve their feature engineering skills and build more accurate classifiers

Key Insight

💡 Using per-class SHAP to guide feature engineering decisions can significantly improve the accuracy of a random forest classifier

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🚀 Boost your classifier's accuracy to 86% with per-class SHAP guided feature engineering! 📈
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