Using the concepts of two-dimensional Hilbert transform and analytic signal, we construct a new quaternion wavelet transform (QWT). The QWT forms a tight frame and can be efficien...
Recently morphological diversity and sparsity have emerged as new and effective sources of diversity for Blind Source Separation. Based on these new concepts, novel methods such a...
Although managerial issues of data warehousing and business intelligence received considerable attention in recent years, the strategy process has not often been investigated. Thi...
Virtual communities are a popular phenomenon today. They are significantly altering the specifics of how people work, spend their free time and interact socially. Moreover, they h...
— Epidemiology, the science that studies the cause and propagation of diseases, provides us with the concepts and methods to analyze the potential risk factors to which ADSL cust...