Research Article

HCRCaaS: A Handwritten Character Recognition Container as a Service Based on QoS Guarantee Algorithm

Table 3

Comparison results in MNIST dataset.

IndexModel structureAccuracy (%)Hyper-parameters

196 × 96-80C3 × 3-MP2 × 2-160C2 × 2-MP2 × 2-240C2 × 2-MP2 × 2-320C2 × 2-MP2 × 2-400C2 × 2-MP2 × 2-480C1 × 1-512FC-1099.12minBatch = 64, iterNum = 9,400 dropout (fc) = 0.5,
: reducing 0.1 every 3 epochs
296 × 96-100C3 × 3-MP2 × 2-200C2 × 2-MP2 × 2-300C2 × 2-MP2 × 2-400C2 × 2-MP2 × 2-500C2 × 2-600C1 × 1-512FC-1099.32minBatch = 64, iterNum = 9,400 dropout (fc) = 0.5,
: reducing 0.1 every 3 epochs
396 × 96-96C3 × 3-MP3 × 3-128C3 × 3-MP3 × 3-160C3 × 3-MP3 × 3-256C3 × 3-256C3 × 3-MP3 × 3-384C3 × 3-384C3 × 3-MP3 × 3-1024FC-1099.56minBatch = 64, iterNum = 9,400 dropout (fc) = 0.5,
: reducing 0.1 every 3 epochs
4Fisher vector-based method99.66
5Defensive distillation DCNN (transfer temperatures is 20)99.05
6DSEDR99.26
7Data-augmentation CNN (5000 training samples per class) (ELASTIC, SMOTE, DBSMOTE)About (99.60, 99.70, 99.70)
8Data-augmentation CSVM (5000 training samples per class) (ELASTIC, SMOTE, DBSMOTE)About (89.80, 99.80, 99.80)
9Data-augmentation CLEM (5000 training samples per class) (ELASTIC, SMOTE, DBSMOTE)About (99.60, 99.80, 99.80)
10RSFKM59.48
11GA-bayes (2K2K MNIST)56.83