A Quadratic Model with Nonpolynomial Terms for Remote Colorimetric Calibration of 3D Laser Scanner Data Based on Piecewise Cubic Hermite Polynomials

Figure 2

RGB signals measured on , , and reflectance targets at 24 sampled distances from the scanner, ranging from 17.7 to 22.3 meters.

(a) Red channel amplitudes

(b) Green channel amplitudes

(c) Blue channel amplitudes