Table 1 The parameter specifications for PCSN-Net model components.

From: A hybrid parallel convolutional spiking neural network for enhanced skin cancer detection

Layer/component

Parameter

Value/description

Image pre-processing

Filter type

Medav filter

Mean filter size

\(3 \times 3\)

Median filter size

\(3 \times 3\)

Segmentation

Model

DeepSegNet

Encoder depth

3 layers

Decoder depth

3 layers

Fusion coefficient

RV coefficient

Image augmentation

Techniques

Mixup, CutMix, geometric transformation, colorspace transformation

Rotation angle

\(0^{\circ }\) to \(90^{\circ }\)

Brightness range

\(\pm 0.2\)

Feature extraction

Texture features

Contrast, correlation, energy, homogeneity

Statistical features

Mean, variance, skewness

PCNN model

Convolutional layers

Number of layers: 4

Filter size

\(3 \times 3\)

Strides

1

Activation function

ReLU

Pooling

Max pooling (size: \(2 \times 2\))

PCSN-net layer

Fusion method

Regression via fractional calculus

Statistical and textural features

7 features

DSNN model

Neuron firing threshold

0.5

Spike count learning rule

Spike vector quantization

Synaptic weights initialization

Xavier initialization

Spiking activation

Spiking ReLU