山东农业科学
山東農業科學
산동농업과학
Shandong Agricultural Sciences
2015年
10期
116-118,124
,共4页
辣椒病斑%图像分割%C-V模型%加权颜色%水平集
辣椒病斑%圖像分割%C-V模型%加權顏色%水平集
랄초병반%도상분할%C-V모형%가권안색%수평집
Capsicum disease spot%Image segmentation%C -V model%Weighted color%Level set
针对辣椒叶部常见病斑图像存在背景复杂且不易分割的问题,对传统的 C -V 模型进行改进,根据辣椒病斑图像的特征,首先对病斑图像的 RGB 颜色分量和通道权重系数进行加权处理,接着用差分图像能量进行计算处理,最后,通过水平集演化方程获得病斑的分割曲线。实验测试表明,经过改进的 C -V 模型对辣椒病斑图像分割的效果比传统 C -V 模型及 K -means 方法分割的效果和抗噪性好。
針對辣椒葉部常見病斑圖像存在揹景複雜且不易分割的問題,對傳統的 C -V 模型進行改進,根據辣椒病斑圖像的特徵,首先對病斑圖像的 RGB 顏色分量和通道權重繫數進行加權處理,接著用差分圖像能量進行計算處理,最後,通過水平集縯化方程穫得病斑的分割麯線。實驗測試錶明,經過改進的 C -V 模型對辣椒病斑圖像分割的效果比傳統 C -V 模型及 K -means 方法分割的效果和抗譟性好。
침대랄초협부상견병반도상존재배경복잡차불역분할적문제,대전통적 C -V 모형진행개진,근거랄초병반도상적특정,수선대병반도상적 RGB 안색분량화통도권중계수진행가권처리,접착용차분도상능량진행계산처리,최후,통과수평집연화방정획득병반적분할곡선。실험측시표명,경과개진적 C -V 모형대랄초병반도상분할적효과비전통 C -V 모형급 K -means 방법분할적효과화항조성호。
In view of complex background and difficulty in segmentation of capsicum leaf disease spot images,the conventional C -V model was improved.According to the features of capsicum disease spot im-age,firstly,the RGB color components and channel weight coefficient of disease spot image were weighted pro-cessing;then they were calculated using difference image energy;finally,the disease spot segmentation curve was got through the level set evolution equation.The experimental results showed that the improved model had better segmentation effect and noise immunity than C -V model and K -means model on capsicum disease spot image.