A New Optical Sensor Based on Laser Speckle and Chemometrics for Precision Agriculture: Application to Sunflower Plant-Breeding. - Maxime Ryckewaert; Daphné Héran; Emma Faur; Pierre George; Bruno Grèzes-Besset; Frédéric Chazallet; Yannick Abautret; Myriam Zerrad; Claude Amra; Ryad Bendoula (Sensors, 2020)