Table 2 The table shows all the information of datasets, each 3-D and 1-D datasets consist of four different wavelength range spectra datasets where each spectra dataset is composed of five groups of random samples for °Brix under 10, °Brix 10 to 11, °Brix 11 to 12, °Brix 12 to 13 and °Brix above 13.

From: Sugariness prediction of Syzygium samarangense using convolutional learning of hyperspectral images

	Range	Size	Groups	Number of samples
	Range	Size	Groups	Training	Validation	Test
3-D HSIs dataset	400–1700 nm	20 × 20 × 1367	°Brix ∈ [0, 10] (M:8.654, Std:0.823)	131	44	43
			°Brix ∈ [10, 11] (M:10.448, Std:0.251)	97	33	32
			°Brix ∈ [11, 12] (M:11.487, Std:0.231)	131	44	43
			°Brix ∈ [12, 13] (M:12.526, Std:0.272)	131	44	43
			°Brix ∈ [13, 17] (M:14.016, Std:0.888)	131	44	43
	400–1000 nm	\(20\times 20\times 1053\)	°Brix ∈ [0, 10] (M:8.654, Std:0.823)	131	44	43
			°Brix ∈ [10, 11] (M:10.448, Std:0.251)	97	33	32
			°Brix ∈ [11, 12] (M:11.487, Std:0.231)	131	44	43
			°Brix ∈ [12, 13] (M:12.526, Std:0.272)	131	44	43
			°Brix ∈ [13, 17] (M:14.016, Std:0.888)	131	44	43
	400–700 nm	\(20\times 20\times 575\)	°Brix ∈ [0, 10] (M:8.654, Std:0.823)	131	44	43
			°Brix ∈ [10, 11] (M:10.448, Std:0.251)	97	33	32
			°Brix ∈ [11, 12] (M:11.487, Std:0.231)	131	44	43
			°Brix ∈ [12, 13] (M:12.526, Std:0.272)	131	44	43
			°Brix ∈ [13, 17] (M:14.016, Std:0.888)	131	44	43
	900–1700 nm	\(20\times 20\times 424\)	°Brix ∈ [0, 10] (M:8.654, Std:0.823)	131	44	43
			°Brix ∈ [10, 11] (M:10.448, Std:0.251)	97	33	32
			°Brix ∈ [11, 12] (M:11.487, Std:0.231)	131	44	43
			°Brix ∈ [12, 13] (M:12.526, Std:0.272)	131	44	43
			°Brix ∈ [13, 17] (M:14.016, Std:0.888)	131	44	43
1-D spectra data	400–1700 nm	\(1\times 1367\)	°Brix ∈ [0, 10] (M:8.654, Std:0.823)	131	44	43
			°Brix ∈ [10, 11] (M:10.448, Std:0.251)	97	33	32
			°Brix ∈ [11, 12] (M:11.487, Std:0.231)	131	44	43
			°Brix ∈ [12, 13] (M:12.526, Std:0.272)	131	44	43
			°Brix ∈ [13, 17] (M:14.016, Std:0.888)	131	44	43
	400–1000 nm	\(1\times 1053\)	°Brix ∈ [0, 10] (M:8.654, Std:0.823)	131	44	43
			°Brix ∈ [10, 11] (M:10.448, Std:0.251)	97	33	32
			°Brix ∈ [11, 12] (M:11.487, Std:0.231)	131	44	43
			°Brix ∈ [12, 13] (M:12.526, Std:0.272)	131	44	43
			°Brix ∈ [13, 17] (M:14.016, Std:0.888)	131	44	43
	400–700 nm	\(1\times 575\)	°Brix ∈ [0, 10] (M:8.654, Std:0.823)	131	44	43
			°Brix ∈ [10, 11] (M:10.448, Std:0.251)	97	33	32
			°Brix ∈ [11, 12] (M:11.487, Std:0.231)	131	44	43
			°Brix ∈ [12, 13] (M:12.526, Std:0.272)	131	44	43
			°Brix ∈ [13, 17] (M:14.016, Std:0.888)	131	44	43
	900–1700 nm	\(1\times 424\)	°Brix ∈ [0, 10] (M:8.654, Std:0.823)	131	44	43
			°Brix ∈ [10, 11] (M:10.448, Std:0.251)	97	33	32
			°Brix ∈ [11, 12] (M:11.487, Std:0.231)	131	44	43
			°Brix ∈ [12, 13] (M:12.526, Std:0.272)	131	44	43
			°Brix ∈ [13, 17] (M:14.016, Std:0.888)	131	44	43

The M denotes the mean °Brix, and Std denotes the standard deviation of samples in each group.

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