Research Article

Round Randomized Learning Vector Quantization for Brain Tumor Imaging

Table 1

UKM Medical Center axial sequence of brain tumor images: data set 1 (a) general and (b) specific.
(a)

Dataset nameNumber of instancesSpatial resolutionNumber of featuresNumber of classesSource

Brain tumor images505768 × 768212 (Normal, abnormal)UKMMC
Class typeT1 Sub totalT2 Subtotal
Normal15875
Abnormal18785

(b)

Abnormal subclass typeCancerous typeNumber of patient dataRange of tumor size based on medical expert report

Abnormal (Grade 1) CP meningioma 11.5 cm (AP) × 2 cm (W) × 1.9 cm (CC)
Suprasellar mass 1 5.8 cm (AP) × 7.2 cm (W) × 6.2 cm (CC)
Schwannoma with mild hydrocephalus12.7 cm (AP) × 4.1 cm (W) × 4.8 cm (CC)

Abnormal (Grade 2)Astrocytoma14.4 cm (AP) × 2.7 cm (W) × 4.8 cm (CC)
Hemangiopericytoma11.2 cm (AP) × 1.3 cm (W) × 1 cm (CC)
Atypical meningioma12.6 cm (AP) × 1.8 cm (W) × 2.8 cm (CC)