模糊集图像增强：设计隶属度函数将图像从空间域变换到模糊集域；设计模糊增强算子，在模糊集域对图像进行处理；根据隶属度函数重新将图像从模糊集域变换到空间域。-Fuzzy image enhancement: Designing the membership function of the image from the spatial domain to the fuzzy set domain　design fuzzy enhancement operator in fuzzy set domain for image processing　membership function according to re-image from the fuzzy set domain to the spatial domain .