提出了一种基于小波和Hough 变换的仿射不变性商标检索方法. 根据商标图像色彩调、纹理简单的特点, 首先对商标图像进行二值化处理并做Hough 变换 -Proposed a Hough transform based on wavelet and affine invariance trademark retrieval method according to trademark the image color tone, texture characteristics of a simple