Retrieval research based on shape features of Xinjiang Uygur herbal medicine image
Yan Chuanb · Xinjiang Yike Daxue xuebao · 2014
Objective To discuss the content-based Uighur herbal image retrieval efficiency on the herbal image Hu invariant moments.Methods Firstly,preprocessed the Uighur herbal image.Secondly,Canny operator,contour tracking and technologies alike were used to extract the shape of herbal medicine.Thirdly,the Hu invariant moments shape feature of herbal medicine images were acquired.Finally,the retrieval efficiency were validated based on the image retrieval system.Results The results show that based on Hu invariant moments feature of herbal image,the average precision rate and the average recall rate were 70%and 80% respectively in the search of leaf and flower shaped herbs.Conclusion content-based Uyghur herbal image retrieval can produce better results if based on the Hu invariant moments feature of herbal image.