Intelligent design of hand-held color measurement instrument for leaf and petal

This paper presents an intelligent design of hand-held color measurement instrument for leaf and petal, including apparent structure, image obtained device, and color retrieval system based on the minimum color difference method. All the 896 RHS color samples from Royal Horticultural Society were chosen for the color database. The color measurement instrument has the system of image obtained, color comparison, result display and data storage. It is special for the color measurement of leaf and petal.