Table 5 Graphical encoding representation of gene sequences

Code 1

Spectral encoding

Spectral time sequence

Code 2

CGR encoding

CGR time sequence

Code 3

Z encoding

Z time sequence

Code 4

Time sequence encoding

Spectral time sequence + CGR time sequence + Z time sequence

Code 5

DN Curve 2D

2D graphical representation based on dual nucleotides

Code 6

DN Curve 3D

3D graphical representation based on dual nucleotides

Code 7

C-Curve 3D

3D graphical and numerical representation based on codons

Code 8

Gene feature encoding

DN Curve 2D + DN Curve 3D + C-Curve 3D

Code 9

Multidimensional multivariate feature coding

hybrid time sequence encoding and gene feature encoding