Category

Specific Metrics

Information theory-based metric

Q M I : Normalized mutual information [157]

Q T E : Mutual information based on Tsallias entropy [158] [159]

Q N C I E : Nonlinear correlation information [160]

Image feature-based metric

Q F M I : Feature Mutual Information metric [156]

Q G : Gradient-Based Fusion Performance [161]

Q P : Image Fusion Metric-Based on Phase Congruency [162] [163]

Q M : Image Fusion Metric-Based on a Multi-scale Scheme [164]

Q S F : Image Fusion Metric-Based on Spatial Frequency [165]

Image structural similarity-based metric

Q C : Cvejie’s Metric [166]

Q S : Piella’s Metric [167]

Q Y : Yang’s Metric [168]

Human perception inspired metric

Q C B : Chen-Blum Metric [169]

Q C V : Chen-Varshney Metric [170]