Object/Crowd Counting - Metrics

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Reference

• CNN-based Density Estimation and Crowd Counting: A Survey

Brief

• mae
• mse
• rmse
• accuracy

Different metrics

• Image-level

Var Name	Description
N	number of test image
	Predict result
	Ground truth
m	splitted non-overlapping patches

Name	公式	Description
MAE - Mean Absolute Error
MSE - Mean Square Error
RMSE - Root MSE
GAME - Grid Average Mean Absolute Error		- 考虑 location information, predict 在相应区域的计为 TP - image 分割为 4^L 个 patch grid，
MPAE - Mean Pixel-level Absolute Error
PMAE - Patch Mean Absolute Error		- m non-overlapping patch
PMSE - Patch Mean Squared Error		- m non-overlapping patch

• Pixel-level
  • PSNR - Peak Signal to Noise Ratio
  • SSIM - Structural Similarity Index
• Point-level
  • AP - Average Precision
  • AR - Average Recall

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