Table 5.

Summary of works carried out using Hybrid FMD.

Reference	Methodology	Dataset	Performance
Bhattacharya (55)	HybridFace maskNet		62% accuracy
Loey et al. (56)	Resnet50 SVM Ensemble algorithm Decision tree	Real-World Masked Face Dataset (RMFD) Simulated Masked Face Dataset (SMFD) Labeled Faces in the Wild (LFW)	SVM 99.64% had accuracy on RMFD 99.49% accuracy on SMFD and 100% accuracy on LFW
Aydemir et al. (57)	Pre-trained ResNet101 and DenseNet201		95.95, 97.49, and 100.0% accuracies for the three cases.
Ristea and Ionescu (58)	ResNet SVM		74.6% accuracy
Nieto-Rodríguez et al. (59)	Viola-Jones face detection technique	BAO database
Wang et al. (41)	RCNN and InceptionV2	WMD	97.32% accuracy for basic scenarios 91.13% accuracy for more difficult scenarios