Table 1.

The function list. .

	Function	Description
Hyperspectral retrieval	$G(\xi ,\eta )$	Captured photo
	$SS{S}_W(x_0,y_0;\lambda )$	Hyperspectral raw data of a standard light source
	$SS{S}_t(x_0,y_0;\lambda )$	Hyperspectral raw data of a standard light source measured by a standard spectrometer
	$C(x_0,y_0;\lambda )$	Clibration function
	$SSS(x_0,y_0;\lambda )$	Hyperspectral data calculated from $G(\xi ,\eta )$ in Cartesian coordinate
SIS fusion	${\omega }_1(i),{\omega }_2(j)$	The rotational angle of motor1 and motor2
	${\mathbb{R}}^1,{\mathbb{R}}^2$	The rotational matrix of motor1 and motor2
	$SS{S}_{i,j}(\theta ,\varphi ;\lambda )$	Hyperspectral data calculated from $G(\xi ,\eta )$ in spherical coordinate
	$OC{P}_{i,j}(\theta ,\varphi )$	The area occupied by $SS{S}_{i,j}(\theta ,\varphi ;\lambda )$
	$W(\theta ,\varphi )$	The number of repetitions
	$I_{\mathit{SIS}}(\theta ,\varphi ;\lambda )$	Whole field hyperspectral data