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In this work the image is segmented effectively based on texture feature by reducing the noise. For effective image segmentation Expectation-Maximization (EM) algorithm based on Gabor filter is used. The EM algorithm is applied on 2D Ultrasonic image of uterus and tested. The Gabor function has been recognized by its multiresolution properties and the precision of locating the texture features in...
The limitation of speed of modern computers in performing the arithmetic operations such as addition, subtraction and multiplication suffer from carry propagation delay. Carry free arithmetic operations can be achieved using a higher radix number system such as Quaternary Signed Digit (QSD). We proposed fast adders based on Quaternary signed digit number system. In QSD, each digit can be represented...
This paper presents a hardware implementation in a FPGA circuit of an efficient encryption algorithm based on hybrid additive programmable cellular automata (HAPCA). We present a novel approach for a high-speed encryption system prototyped using a single FPGA. The approach is based upon a one-dimensional HAPCA architecture. A regular, modular, and cascadable hardware implementation of the cellular...
This paper presents a VLSI hardware implementation of a manchester and differential manchester coder / decoder systems. VHDL (VHSIC hardware description language) has been used for describing the hardware of the circuit, and field programmable gate arrays (FPGAs) has been used for the hardware implementation task. The data rate can be easily reconfigured, since the target technology (FPGA) can be...
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