gray code
Gray code (n, k, p) based pixel substitution and Affine transform based Gray code bit plane permutation technique for secure image encryption
... the gray image Lena as Shown in Figure-4(a), the results after (n, k, p) Gray code pixel substitution and affine transform based every bit plane pixel permutation are shown as in Figure- ...
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Implementation of Binary to Gray Code Converters in Quantum Dot Cellular Automata
... binary code, also known as Gray code is a numeral structure where each value differs only a sole bit from the previous ...bit. Gray code is not convenient for arithmetic operations. ...
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Error Correction for a Secure Multicast Group Key Management using Gray Code
... reflected code called Gray code achieves lower storage requirements and lower communication overhead at both the group controller and the group ...block code which has the advantage that they ...
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A Novel Low Power Binary to Gray Code Converter Using Gate Diffusion Input (GDI)
... a Gray code is a code assigning to each of a contiguous set of integers, or to each member of a circular list, a word of symbols such that each two adjacent code words differ by one ...one ...
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Design of High Speed Binary to Gray Code Converter Using A Novel Two Transistor XOR Gate
... a Gray code is a code assigning to each of a contiguous set of integers, or to each member of a circular list, a word of symbols such that each two adjacent code words differ by one ...one ...
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Development of Gray Code based Structured Regular Column- Weight Two LDPC Codes
... Construction of structured regular column-weight two LDPC codes based on Gray-code representations is described. These codes are systematically constructed and are generated using a set of decimals selected ...
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Polynomial Calculation of Quasi Gray code labelings for Irregular Signal Constellations
... The Binary Switching Algorithm (BSA), which can pro- duce very good labelings, is non deterministic. BSA is an algorithm based on hill climbing from many starting points to produce the assumed global optimum. This pa- ...
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Performance Enhancement of Reversible Binary to Gray Code Converter Circuit using Feynman gate
... If Input vector is I(D,C,B,A) then the output vector o(Z,Y,X,W). The circuit is constructed with the help of Feynman Gate (FG) gate and Table 1 shows the truth table of FG gate and figure 12 and figure 13 shows the ...
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Enhancement of Error Correction Coding of Spatial Watermarks in Gray Code
... in Gray codewords is more effective than that in natural binary codewords for JPEG-DCT ...block code, and the generated codeword is embedded in the bit sequence of a pixel that is expressed in Gray ...
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Topology and Routing Algorithm Based on the Combination Gray Code with Johnson Code
... of Gray Code, Johnson Code, hypercube and 2- degree torus, and brings forwards GJCode(s, ...both Gray Code and Johnson Code, GJCode(s, t) topology has good scalable ...
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Gray code for generating tree of permutation with three cycles
... new Gray code formed from generation tree of n-length permutation with three ...cycles. Gray code is a list of all the objects arranged such that, there are only minor differences between one ...
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Binarization Methods Of Sinusoidal Pattern Based On Dithering 3-D Technique
... and gray code method unwrapped phase, to analyze the relative error of phase obtained in large and small periodic grating period when using the horizontal scanning and helical scanning for different ...
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Design Of High Speed Gray To Binary Code Converter Using A Novel Two Transistor XOR Gate
... a Gray code is a code assigning to each of a contiguous set of integers, or to each member of a circular list, a word of symbols such that each two adjacent code words differ by one ...one ...
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A New Correlation Reduction Approach for Digital Image Encryption based on Pixel Explosion Techniques
... switching gray codes and pixel ...switching gray-code and pixel explosion significantly reduces the correlation impact within the neighborhood while encrypting the cover ...the ...
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A Review of An Energy Efficient Communication Scheme for Low Power Wireless Network
... the gray code technique. Gray code technique simultaneously saves energy at both the transmitter as well as receiver because time required for the transmission of is ...
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FPGA Based High Frequency Digital Pulse Width Modulator Architecture for DC DC Converters
... with gray code encoding scheme and one hot encoding method to derive the variable duty cycle Pulse Width Modulation (PWM) signal without varying the clock ...
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Boundary Extraction of Biomedical Images using Edge operators
... using gray code for image segmentation and also the comparison of these techniques with the proposed one is carried out with an experiment by using MATLAB ...
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FUZZY LOGIC BASED VOLTAGE AND FREQUENCY OF A SELF EXCITED INDUCTION GENERATOR FOR MICRO HYDRO TURBINES FOR RURAL APPLICATIONS
... Secure and reliable group communication is an active area of research. Its popularity is fuelled by the grow- ing importance of group-oriented and collaborative applications. The central research challenge is secure and ...
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A Novel Approach for Digital Image Encryption based on Pixel Explosion Techniques
... switching gray-code and pixel explosion based encryption system for digital images are presented in ...and gray-scale bitmap images varying in size, type, and classes of image ...
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Gray coding cubic planar maps
... a Gray code was used in a telegraph demonstrated by the French engineer ´ Emile Baudot in ...“the Gray code” to refer to the reflected binary code introduced by Frank Gray in ...
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