brushlet用于图像降噪，一种三代小波，速度快，效果好，图像更加稀疏-brushlet for image noise reduction, a third generation wavelet, fast, effective and more sparse image

一种多尺度几何分析工具，Brushlet,也叫楔波，具有较多的可选方向，可用于图像的去噪-A multi-scale geometric analysis tool, Brushlet, also known as wedge wave, with more optional direction, can be used for image denoising