Due to the increasing complexity of products and for the distributed product development, more closely collaborative wor......

According to the characteristics of sedimentary facies and their vertical associations, sequence association of sediment......

小波变换是图像压缩中的一个重要工具。二维图像在进行压缩变换时,因变换后系数需要进行截短,以及小波与图像可能不是最优匹配,因......