Among the German spatial economists August Lösch is arguably one who has had biggest lasting influence on international academic literature. After his death in May 1945, a legend was created according to which he fierce opponent national socialism. This part of attempts former colleagues and economics community at large disguise extent their own involvement agency advising economic social polic...

This study focuses on the question of voice disguise and the problem of its detection. The voice disguise is considered as a deliberated action of the speaker who wants to falsify or to conceal his identity. Lots of possibilities are offered to a speaker to change his voice and to false a human ear or an automatic system. He could transform his voice by electronic scrambling or more simply by e...

In this paper, a novel color image hiding technique using spread grey-based competitive Hopfield neural network (SGHNN) and Hadamard Transform (HT) digital watermarking is proposed. The goal is to offer secure communications in the internet through compress the original color image and embedded into another disguise color image. Our method includes a spread-unsupervised competitive Hopfield neu...