世界科学技术-中医药现代化
世界科學技術-中醫藥現代化
세계과학기술-중의약현대화
WORLD SCIENCE AND TECHNOLOGY-MODERNIZATION OF TRADITIONAL CHINESE MEDICINE
2014年
12期
2558-2562
,共5页
陶欧%林兆洲%张宪宝%王耘%乔延江
陶歐%林兆洲%張憲寶%王耘%喬延江
도구%림조주%장헌보%왕운%교연강
中药饮片%纹理特征参数%分类模型%最小协方差行列式%BP神经网络
中藥飲片%紋理特徵參數%分類模型%最小協方差行列式%BP神經網絡
중약음편%문리특정삼수%분류모형%최소협방차행렬식%BP신경망락
Chinese herbal medicine%parameters of texture feature%classification model%minimum covariance determinant%BP neural network
目的:建立基于切面图像纹理特征参数的辨识模型,探讨中药饮片自动识别的可行性。方法:基于中药饮片切面图像的灰度共生矩阵和灰度梯度共生矩阵,选取18种中药材不同样本图像的26个纹理特征参数,分别建立训练集和测试集。利用最小协方差行列式 MCD方法对训练集进行离群值剔除处理。采用朴素贝叶斯及BP神经网络2种建模方法和十折交叉验证,建立18种中药材的判别模型。结果:在提取的26个纹理特征参数的基础上,利用MCD方法剔除训练集的离群值后,用BP神经网络建立的判别模型判正率达到90%,说明效能良好。结论:将建立的辨识模型用于中药饮片的自动识别具有可行性,为中药直观鉴别的定量化、科学化以及客观化提供了一套新的技术手段。
目的:建立基于切麵圖像紋理特徵參數的辨識模型,探討中藥飲片自動識彆的可行性。方法:基于中藥飲片切麵圖像的灰度共生矩陣和灰度梯度共生矩陣,選取18種中藥材不同樣本圖像的26箇紋理特徵參數,分彆建立訓練集和測試集。利用最小協方差行列式 MCD方法對訓練集進行離群值剔除處理。採用樸素貝葉斯及BP神經網絡2種建模方法和十摺交扠驗證,建立18種中藥材的判彆模型。結果:在提取的26箇紋理特徵參數的基礎上,利用MCD方法剔除訓練集的離群值後,用BP神經網絡建立的判彆模型判正率達到90%,說明效能良好。結論:將建立的辨識模型用于中藥飲片的自動識彆具有可行性,為中藥直觀鑒彆的定量化、科學化以及客觀化提供瞭一套新的技術手段。
목적:건립기우절면도상문리특정삼수적변식모형,탐토중약음편자동식별적가행성。방법:기우중약음편절면도상적회도공생구진화회도제도공생구진,선취18충중약재불동양본도상적26개문리특정삼수,분별건립훈련집화측시집。이용최소협방차행렬식 MCD방법대훈련집진행리군치척제처리。채용박소패협사급BP신경망락2충건모방법화십절교차험증,건립18충중약재적판별모형。결과:재제취적26개문리특정삼수적기출상,이용MCD방법척제훈련집적리군치후,용BP신경망락건립적판별모형판정솔체도90%,설명효능량호。결론:장건립적변식모형용우중약음편적자동식별구유가행성,위중약직관감별적정양화、과학화이급객관화제공료일투신적기술수단。
This study was aimed to establish the classification method of Chinese herbal medicine based on feature parameters extracted from images of herbal transverse section, in order to explore the feasibility of automatic identi-fication method of herbal medicine. The extracted 26 parameters of 18 herbal medicine images by gray-level co-oc-currence matrix and grayscale gradient matrix were used as the basic data set. And the minimum covariance determi-nant (MCD) was used to delete the outliers. A total of 18 identification models were established using the native Bayes method and BP neural network methods. The results showed that the average correct rates of models were 90%. It was concluded the feasibility of using these models in the establishment of the automatic identification method of herbal medicines. It provided new technologies for the quantitative, scientific and objective identification of Chinese herbal medicine.