Retrieval of Brain Tumors with Region-Specific Bag-of-Visual-Words Representations in Contrast-Enhanced MRI Images

Table 2

Retrieval performance of the region-specific BoW model for the different categories in different views.

View	Tumor category	mAP	Prec@10	Prec@20
Transverse	Meningioma	92.0 ± 5.8	89.6 ± 7.5	89.2 ± 7.6
	Glioma	95.0 ± 3.3	93.1 ± 4.7	93.1 ± 4.7
	Pituitary tumor	87.6 ± 4.6	82.5 ± 6.6	82.7 ± 6.8
Coronal	Meningioma	87.6 ± 5.0	84.0 ± 8.3	83.7 ± 8.8
	Glioma	95.3 ± 2.9	93.3 ± 4.4	93.3 ± 4.4
	Pituitary tumor	89.5 ± 2.5	86.8 ± 2.3	86.8 ± 2.9
Sagittal	Meningioma	91.2 ± 4.0	87.8 ± 8.0	87.7 ± 8.0
	Glioma	95.6 ± 2.9	93.7 ± 4.0	93.7 ± 4.0
	Pituitary tumor	82.1 ± 1.0	76.7 ± 1.3	76.6 ± 1.3