[PDF] Top 20 A New Quality Metric based on FFT Transform
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A New Quality Metric based on FFT Transform
... Approaches based on structural fidelity: The criteria for adopting this approach are more ...not based on properties of low vision, but on high properties on the human visual system response to a degraded ... See full document
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Wideband Finite-Difference Time-Domain Modeling of Graphene via Recursive Fast Fourier Transform
... layers based on the recursive fast Fourier transform (FFT), in which both the intra-band and inter-band terms of its surface conductivity are ...This new approach only requires numerical ... See full document
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Image Analysis Based on the Eigenvalues of Variance Covariance Matrix of FFT Scaling of DNA Sequences: An Empirical Study for Some Organisms
... steps. Based on this partitioning, digital signal processing DSP techniques can be easily described and compared based on their unique implementations of the processing ...A new methodology for the ... See full document
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An On line Feature Extraction Method for Transformer Vibration Signals
... method based on FFT and wavelet packet transform is ...by FFT, then wavelet packet is used to extract wavelet packet coefficient energy entropy of characteristic frequency ...a new idea ... See full document
8
Voltage disturbance identification using fast fourier transform (FFT) and wavelet transform
... There are a numbers of research work have been done before in order to determine the most automatically and effectively way to identify and classify the voltage disturbance on electrical system. The first stage of the ... See full document
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Complexity Analysis and Accuracy of Image Recovery Based on Signal Transformation Algorithms
... Fourier transform (FFT), Discrete Cosine Transform (DCT) and Discrete Wavelet Transform (DWT), used in image ...dimensional FFT, DCT and DWT (Symlet and Debauches 1) using image and ... See full document
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Performance Analysis of OFDM System under FFT, DWT and DCT Based Transform Techniques
... Orthogonal Frequency Division Multiplexing (OFDM) is mainly used for high data rates necessary for data intensive applications that must now become routine. The OFDM schemes is able to functioning without a traditional ... See full document
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Real-Coefficient FGG-FG-FFT for the Combined Field Integral Equation
... a new scheme of real-coefficient fitting both Green’s function and its gradient with Fast Fourier Transform (RFGG-FG-FFT) for combined field integral equation (CFIE) to compute the conducting object’s ... See full document
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Design and Implementation of CORDIC-based FFT Algorithm in FPGA System
... Fourier transform (FFT) is used for reducing the complexity of computations in Discrete Fourier Transform ...Fourier transform (FFT) is among the most widely used operations in digital ... See full document
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A Secure And Efficient Video Watermarking Approach Using DNA Encryption
... a new technique was proposed in which advance media ...the transform based approach are not that much effective on basis of quality, so spatial domain is much better and new approaches ... See full document
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A TMS DSP processor based case study of Grigoryan FFT performance over Cooley-Tukey FFT (TMS320C6748, (TMS320C5515)
... Fourier Transform (FFT), Fourier analysis has become one of the most frequently used tool in signal/image processing and communication systems [6]; The main problem when calculating the transform ... See full document
6
Image Compression with SVD : A New Quality Metric Based On Energy Ratio
... The quality of compressed images with the techniques based on the discrete cosine transform or the wavelet transform is generally measured with PSNR or ...a new metric ... See full document
6
Analysis of Power Harmonics Using Artificial Neural Network
... the quality of power distribution, is traditionally achieved using Fast Fourier Transform ...(FFT). FFT procedure is however susceptible to the presence of noise and sub harmonic in the ... See full document
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Floating Interpolation Stencil Topology-Based Ie-FFT Algorithm
... In this paper, the IE-FFT algorithm based on the floating interpolation stencil topology is developed for enhancing the efficiency of solution of 3D scattering and radiation problems. All the matrix entries ... See full document
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Simulation Analysis of Multiple BP Decoding Algorithm and FFT BP Decoding Algorithm
... propagation based on fast Fourier transform Code algo- rithm (FFT-BP) and log-BP decoding algorithm based on logarithmic opera- ...the FFT-BP decoding algorithm is more convenient and ... See full document
9
An Application of PCA in ECG Classification with Cross - Validation
... Neural network based classification methods are mainly used for the classification of heartbeat from ECG. Artificial intelligence and machine learning methods constitute a powerful tool in HRV analysis. Radial ... See full document
5
Performance and Analysis for OFDM Application Using Pipeline Architecture of Point-16 Radix-4 with CFFT
... Radix-4 FFT algorithm with Cyclotamic Fast Fourier Transform (CFFT) will be ...Cyclotomic FFT is type of FFT algorithm over finite ...Cyclotomic FFT will help to reduce this trade-off ... See full document
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Performance Study of Several Methods and Selected Wavelets for Image Compression
... image quality in an acceptable range. In this work, Fast Fourier Transform (FFT), Discrete Cosine Transform (DCT), Discrete Wavelet Transform (DWT) methods are used to process a test ... See full document
7
A Comparison of High-Speed Polynomial Multiplication Algorithms for Modern Cryptosystem
... Fourier Transform Algorithm (WFTA) is a technique that combines the Raders index mapping and Winograds short convolution algorithm for prime-factors into a composite-N Fourier Transform structure with fewer ... See full document
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A Normal I/O Order Radix-2 FFT Architecture for High Speed Applications
... Fourier transform (FFT) operations with their outputs in natural ...Fourier Transform (FFT) processor for the computation of two independent data ...is based on the Multipath Delay ... See full document
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