数字图像处理，K-SVD字典学习方法，信号的稀疏与冗余表示理论，图像压缩，图像去噪-Digital image processing, K-SVD dictionary learning methods, sparse and redundant signal representation theory, image compression, image denoising

比较新的稀疏重构宽带DOA方法，供学习阵列信号处理的参考-Relatively new broadband DOA sparse reconstruction method for learning the reference array signal processing