Shape identification is a fundamental property of an object and is an important low level feature to human perception. Shape analysis is widely applied in image registration, segmentation, classification and various other computer vision applications like pattern recognition, medical image diagnostics, integral geometry etc. This paper describes a new shape descriptor using chainencoding method...

Root shape is an important characteristic that affects the commodity of radish (Raphanus sativus L.), which can be measured using ratio root length (RL) to diameter (RD). Although it known controlled by quantitative trait loci (QTLs), reliable QTLs for are still lacking. In present study, we used three F2 populations (1902, 1908 and 1909) derived from crossing five cultivars with highly diverge...