%0 Journal Article %T Determinaci車n del color en epicarpio de tomates (Lycopersicum esculentum Mill.) con sistema de visi車n computarizada durante la maduraci車n %A Padr車n Pereira %A Carlos Alberto %A Padr車n Le車n %A Gisel Mari谷 %A Montes Hern芍ndez %A Adriana Isabel %A Oropeza Gonz芍lez %A Rafael Antonio %J Agronom赤a Costarricense %D 2012 %I Universidad de Costa Rica %X the evolution of color in tomatoes samples, during ripening under refrigeration or at room temperature, was studied by computer vision system (cvs). cvs consisted in a lighted stage, a ccd digital camera and a computer (laptop), all calibrated. the digital processing of images was performed with the adobeˋ photoshopˋ cs3 extended software, with which averaged images on l*, a* and b* coordinates were obtained. the proceeding tested, using cvs, allowed to study the variations of color during the ripening of tomatoes from images, by means of rectangular coordinates (l*, a*, b*). the ratio a*/b* and polar coordinates (c*, ho), showing statistically significant differences between samples determined (p<0,05). %K color spaces %K image processing techniques %K lycopersicum esculentum mill. %K measurement of color in tomatoes %K photoshopˋ. %U http://www.scielo.sa.cr/scielo.php?script=sci_abstract&pid=S0377-94242012000100008&lng=en&nrm=iso&tlng=en