S. Curila

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We propose a method for image enhancement in colour word when a scattering environment reduces the vision. The main advantage of blind technique is that it does not require any a priori information about the scattering environment but supposes that the observed signals are linear mixtures of sources. Here, the natural logarithm of the degraded image(More)
A new numerical method for initial value problems associated to second order functional differential equations is obtained. The method uses the fixed point technique, the trapezoidal quadrature rule, and a Birkhoff interpolation procedure. The convergence of the method is proved without smoothness conditions, the kernel function being only Lipschitzian in(More)
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