Image Segmentation Evaluation

Martin Keršner, m.kersner@gmail.com

Evaluation metrics for image segmentation inspired by paper Fully Convolutional Networks for Semantic Segmentation.

Pixel accuracy

Mean accuracy

Mean IU

Frequency Weighted IU

Explanatory notes

• n_cl : number of classes included in ground truth segmentation
• n_ij : number of pixels of class i predicted to belong to class j
• t_i : total number of pixels of class i in ground truth segmentation