【摘要】 文章提出了一种基于知识的头肩图像中头部图像的提取方法。首先,应用Sobel算子提取图像的边缘并进行二值化;然后根据边缘图像提取头肩图像的边缘;最后依据人脸知识提取头部图像。用实验室人脸图像库的96幅人脸对该方法进行检验。实验结果表明:文章提出的头部图像提取方法具有较好的效果。更多还原

【Abstract】 A method based on knowledge for extracting the head image from head-shoulder image is presented.First,this paper applies sobel operator to drawing out image edge and binarize it.Then,extracts the head-shoulder image boundary.At last,according to face knowledge,it draws out the head image boundary.The face database is selected to e-valuate this method.The experiment results show that this method is promising.更多还原