Fig. 2From: Nondestructive and rapid determination of lignocellulose components of biofuel pellet using online hyperspectral imaging systemReflectance obtained with no pre-treatment and three pre-processed spectra within wavelengths 958–1683 nm. a No pre-treatment; b standard normal variate (SNV); c second derivative (2nd derivative); and d multiplicative scatter correction (MSC)Back to article page