Open Access

Table 1.

CUDA-SOM settings.

Parameter Value/Setup
Learning mode Online

Number of rows (xdim) 126

Number of columns (ydim) 96

Initial learning rate (η0) 0.25

Initial neighborhood radius (σ0) 25

Maximum number of epochs (Tmax) 9

Distance metric Euclidean

Neighborhood function (h(σ, i, b)) Gaussian

Initialization method Random input vectors

Lattice type Hexagonal

Grid initialization randomization On

Decay Type for η and σ Exponential

Normalize distance Off

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.