A method is presented for decomposing the image with Haar wavelet and partitioning the image as text, picture and background based on the statistical distribution of the Haar wavelet coefficients in LH and HL high frequency bands.

• 用Haar小波分解图像；并基于LH和肌高频带Haar小波系数的统计分布规律将文本图像分割为文字、画面和背景.