Model Evaluation & Metrics

Focal Loss

A modified cross-entropy loss that down-weights easy examples, helping with class imbalance.

This concept is essential for understanding model evaluation & metrics and forms a key part of modern AI systems.

  • Loss Function
  • Imbalanced Data
  • Object Detection

Tags

model-evaluation-metrics loss-function imbalanced-data object-detection

Related Terms

Loss Function

A function measuring the difference between model predictions and true values, guiding the training process.

Object Detection

Identifying and localizing multiple objects in an image with bounding boxes and class labels (YOLO, R-CNN, RetinaNet).

Added: November 18, 2025

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