COMSATS Face: A Dataset of Face Images with Pose Variations, Its Design, and Aspects

Table 5

Recognition accuracy, precision, and recall for different image resolutions.

Image resolution (in pixel)	Algorithm	Recognition accuracy (%)	Precision	Recall
144 × 256	PCA algorithm	78.4	0.7844	0.8451
	LDA algorithm	62.2	0.6622	0.7462
	PAL algorithm	86.66	0.866	0.9069
140 × 140	PCA algorithm	78.4	0.7844	0.8451
	LDA algorithm	62.2	0.6622	0.7462
	PAL algorithm	86.66	0.866	0.9069
70 × 70	PCA algorithm	78.4	0.7844	0.8451
	LDA algorithm	62.2	0.6622	0.7462
	PAL algorithm	86.66	0.866	0.9069
40 × 40	PCA algorithm	73.22	07322	0.7881
	LDA algorithm	58.3	0.5833	0.6290
	PAL algorithm	86.66	0.8666	0.9112
20 × 20	PCA algorithm	53.46	0.5346	0.5721
	LDA algorithm	41.49	0.4149	0.4523
	PAL algorithm	81.43	0.8143	0.8491
10 × 10	PCA algorithm	45.05	0.4505	0.4732
	LDA algorithm	37.34	0.3734	0.3972
	PAL algorithm	77.75	0.7775	0.8133
5 × 5	PCA algorithm	32.7	0.3277	0.423
	LDA algorithm	26.2	0.2623	0.3477
	PAL algorithm	71.3	0.7133	0.7889