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Discrete Hartley Transform (DHT)

Design of Discrete Hartley Transform using Cyclic Redundant Adder and Partition Multiplier Method

Design of Discrete Hartley Transform using Cyclic Redundant Adder and Partition Multiplier Method

... An algorithm to implement Discrete Hartley Transform that is comparatively fast is presented. The butterfly diagram for 16 point DHT design requires six stages. These consist of summing and ...

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Design of Discrete Hartley Transform using Parallel and Partition Multiplier Method

Design of Discrete Hartley Transform using Parallel and Partition Multiplier Method

... words, Discrete Hartley transform converts real values in time domain into real values in frequency domain, which involves decomposing of data in various stages using ...of DHT is different in ...

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Review Paper on Discrete Hartley Transform using Different types of Multiplier

Review Paper on Discrete Hartley Transform using Different types of Multiplier

... Some Discrete Hartley Transform Matrices. Discrete transforms such as the discrete Fourier transform (DFT) and the discrete Hartley transform (DHT) ...

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Efficient Discrete Hartley Transform using Vedic and Kogge-stone Adder

Efficient Discrete Hartley Transform using Vedic and Kogge-stone Adder

... new transform used for real value to real value ...multiplication. DHT is used in various fields such as image processing, space science, scientific applications ...The discrete Hartley ...

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Analysis Parameter of Discrete Hartley Transform using Kogge-stone Adder

Analysis Parameter of Discrete Hartley Transform using Kogge-stone Adder

... new transform used for real value to real value ...multiplication. DHT is used in various fields such as image processing, space science, scientific applications ...The discrete Hartley ...

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High Speed and Area Efficient Discrete Hartley Transform using Urdhwa Multiplier

High Speed and Area Efficient Discrete Hartley Transform using Urdhwa Multiplier

... A discrete Hartley transform (DHT) algorithm can be efficiently implemented on a highly modular and parallel architecture having a regular structure is consisting of multiplier and ...adder. ...

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Survey of Discrete Hartley Transform using Different Types of Method

Survey of Discrete Hartley Transform using Different Types of Method

... 2N-length discrete Hartley transform (DHT) that can be efficiently implemented on a highly modular and parallel VLSI architecture having a regular structure is ...The DHT algorithm can ...

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Radix-2 x 2 x 2 algorithm for the 3-D discrete hartley transform

Radix-2 x 2 x 2 algorithm for the 3-D discrete hartley transform

... Abstract—The discrete Hartley transform (DHT) has proved to be a valuable tool in digital signal/image processing and communications and has also attracted research interests in many ...

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Novel Analytical Approach of Non  Conventional Mapping Scheme with Discrete Hartley Transform in OFDM System

Novel Analytical Approach of Non Conventional Mapping Scheme with Discrete Hartley Transform in OFDM System

... Hence discrete cosine transform (DCT) and discrete sine transform (DST) both can be incorporated in OFDM ...a transform scheme in OFDM due to its high spectral efficiency and less ...

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Frequency domain subcarrier diversity receiver for discrete Hartley transform OFDM systems

Frequency domain subcarrier diversity receiver for discrete Hartley transform OFDM systems

... and DHT, and investigates whether these transforms possess the same diagonalization property as the DFT ...these transform diagonalize circulant channel matrix in a similar way as the ...the DHT ...

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MIMO OFDM PAPR Reduction by DHT Based Residue Number System

MIMO OFDM PAPR Reduction by DHT Based Residue Number System

... In this paper, an RNS based PAPR scheme in MIMO-OFDM is proposed, which utilizes the properties and characteristics of RNS module to efficiently reduce the PAPR without any side information. Theoretical analysis and ...

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Calculation Scheme Based on a Weighted Primitive: Application to Image Processing Transforms

Calculation Scheme Based on a Weighted Primitive: Application to Image Processing Transforms

... the discrete Hartley transform is a linear ...the DHT is its own inverse up to an overall scale ...The DHT algorithms are typi- cally slightly less e ffi cient (in terms of the number of ...

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Implementation and Contrasting Comparision of Transform Techniques of OFDM

Implementation and Contrasting Comparision of Transform Techniques of OFDM

... The Discrete Hartley Transform is closely related to the Discrete Fourier Transform, but unlike the DFT, the DHT has the advantage of producing real numbers and it is (quasi- ...

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Comparative Study on DHT Algorithm using Different Types of Technique

Comparative Study on DHT Algorithm using Different Types of Technique

... the discrete Hartley transform (DHT) has proved to be a valuable tool in digital signal/image processing and communications and has also attracted research interests in many multidimensional ...

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A Review on Transform Domain Adaptive Filters

A Review on Transform Domain Adaptive Filters

... Fourier transform based block normalized LMS (FBNLMS) was introduced to reduce the computational complexity by using discrete fourier transform ...therefore, Hartley transform based ...

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Computation of Hilbert Transform via Discrete Cosine Transform

Computation of Hilbert Transform via Discrete Cosine Transform

... based on the discrete Hartley transform [21]. The computation of the HT from the DCT coefficients given by (17-19) requires computation of one N-point IFFT. Hence, the proposed algorithm needs about ...

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Hartley transform and the use of the Whitened Hartley spectrum as a tool for phase spectral processing

Hartley transform and the use of the Whitened Hartley spectrum as a tool for phase spectral processing

... The Hartley transform, a close relative of the better known Fourier transform, was fi rst introduced in 1942 ...its transform of a real signal is also a real function of frequency, were seen, ...

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Watermarking of digital images with iris based biometric data using wavelet and SVD

Watermarking of digital images with iris based biometric data using wavelet and SVD

... The watermarking methodology of using hybrid format of the two robust techniques, that is discrete wavelet transform (DWT) and singular value decomposition (SVD) has been employed here. The idea of ...

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Feature Extraction for Audio Classification of Gunshots Using the Hartley Transform

Feature Extraction for Audio Classification of Gunshots Using the Hartley Transform

... the logarithmic function is used to compress the dynamic range of the magnitude spectral values and the Discrete Cosine Transform is applied to the logarithm of the mag- nitude of the filter-bank outputs ...

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Hybrid Optical Cryptography and Compressive Sensing Based on Orthogonal Matching Pursuit

Hybrid Optical Cryptography and Compressive Sensing Based on Orthogonal Matching Pursuit

... The proposed method is applied per block (vector) as shown in Figure 2. The optical phase/amplitude keys p1 and p2 are generated with random complex numbers. The phase covers 360 degrees. The corresponding 2-f optical ...

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