An ameliorate approach method of image character feature extraction based on wavelet multi-scale analysis and entropy. 基于小波多尺度和熵在图像字符特征提取方法的改进。
Focusing on finite dimensional Hilbert spaces, they discuss the statistical distance measures and entropies used in quantum theory. 集中于有限维希尔伯特空间，他们讨论统计距离测量和熵在量子理论内使用。
