Description of the matlab data set for Combined Time of Flight and Photometric imaging for Surface reconstruction.

Albedo: corresponds to the reflectivity of the scene obtained after processing the four images LED_1, LED_2, LED_3, LED_4.
data: output of the SPAD camera in photon counting mode to obtain an intensity image of the calibration board. 
mask_z: final mask applied to Nx, Ny and NZ to isolate the sphere during the reconstruction process
NRMSE: normalised root mean square error (%)
Nx, Ny and Nz: surface normal components of the imaged scene obtained after processing the four images LED_1, LED_2, LED_3, LED_4.
rangeMap: output of the SPAD camera in time-correlated single photon counting mode which give distance range of the scene
ref_z: reference data of the sphere that allows the determination of the reconstruction error
RMSE: root mean square error (mm)
rmse_map: root mean square error across the sphere (mm)
Z: 3D reconstruction of the sphere