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discrete wavelet packet

Discrete Wavelet Packet Transform Based Video Steganography

Discrete Wavelet Packet Transform Based Video Steganography

... using discrete wavelet packet transform ...using discrete wavelet transform provide better performance parameter as compare to other technique of ...

6

A Novel Approach of Water Marking using Discrete Wavelet Packet Transform (DWPT)

A Novel Approach of Water Marking using Discrete Wavelet Packet Transform (DWPT)

... the wavelet domain of an image by using the discrete wavelet packet transform (DWPT) and quantization of the selected dominant coefficients, was proposed in this ...

8

Performance Comparison of FFT, Discrete Wavelet Packet Transform (DWPT) for MIMO-OFDM Systems

Performance Comparison of FFT, Discrete Wavelet Packet Transform (DWPT) for MIMO-OFDM Systems

... with Discrete Wavelet Packet Transform (DWPT) makes the system’s performance further ...proposed wavelet based MIMO-OFDM system outperforms in Alamouti (two transmit antenna and two receive ...

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A Proposed Turbo Coded Wavelet Packet Modulation based MC CDMA

A Proposed Turbo Coded Wavelet Packet Modulation based MC CDMA

... coded Discrete Wavelet Packet Transform DWPT based Multicarrier CDMA system has been proposed to enhance the bit error rate and complexity of the conventional MC-CDMA which based on Fast Fourier ...

7

Semi-fragile digital speech watermarking for online speaker recognition

Semi-fragile digital speech watermarking for online speaker recognition

... the discrete wavelet packet transform (DWPT) and quantization index modulation (QIM) has been proposed that enables embedding of the watermark within an angle of the wavelet ’ s ...

15

Accurate Personal Identification Using Left and Right Palmprint Images Based on ANFIS Approach

Accurate Personal Identification Using Left and Right Palmprint Images Based on ANFIS Approach

... using discrete wavelet packet transform (DWPT) algorithm for feature extraction & ANFIS (Adaptive Neuro-Fuzzy Inference System) for palmprint ...

8

Classification of meningiomas using discriminant wavelet packets and learning vector quantization

Classification of meningiomas using discriminant wavelet packets and learning vector quantization

... the Discrete Wavelet Packet Transform (DWPT) based upon the selection of the subbands that are most useful for texture classification with classification ability of neural ...of wavelet ...

6

Design Of Lossy And Lossless Algorithms For Roi-Based Video Compression

Design Of Lossy And Lossless Algorithms For Roi-Based Video Compression

... combines Discrete Wavelet Packet Transformation (DWPT), Singular Value Decomposition (SVD) and enhanced Run Length Encoding (RLE) is proposed to compress the background and non-ROI ...Binary ...

5

VLSI Architecture for 2-D Sub-band Wavelet Transform using 9/7 Wavelet Coefficient

VLSI Architecture for 2-D Sub-band Wavelet Transform using 9/7 Wavelet Coefficient

... Discrete Wavelet Transform (DWT) has been successfully used in the wide range of application including numerical analysis, signal analysis, image & video coding, pattern recognition, statistics and ...

6

Design of a Novel Hybrid Algorithm for Improved Speech Recognition with Support Vector Machines Classifier

Design of a Novel Hybrid Algorithm for Improved Speech Recognition with Support Vector Machines Classifier

... two wavelet based techniques namely Discrete Wavelet Transforms (DWT) and Wavelet Packet Decomposition (WPD) for extracting features from ...called Discrete Wavelet ...

6

COMPARATIVE ANALYSIS OF JPEG COMPRESSION AND FRACTAL IMAGE COMPRESSION FOR MEDICAL IMAGES

COMPARATIVE ANALYSIS OF JPEG COMPRESSION AND FRACTAL IMAGE COMPRESSION FOR MEDICAL IMAGES

... a discrete wavelet transform or hierarchical sub-band decomposition, prediction of the absence of significant information across scales, entropy coded successive- approximation quantization and universal ...

7

Detection and classification of combined real time power quality disturbance signals with Hidden Markov Models incorporating wavelet features

Detection and classification of combined real time power quality disturbance signals with Hidden Markov Models incorporating wavelet features

... Overlapping Discrete Wavelet Transform (MODWT) has been implemented along with the traditional discrete Wavelet Transform (DWT) for the detection and localization of different types of power ...

17

Algorithm for Speckle Reduction and Image Enhancement in SAR Images Using  Wavelet Transforms

Algorithm for Speckle Reduction and Image Enhancement in SAR Images Using Wavelet Transforms

... The proposed method was tested for speckle noise removal on a simulated image and on a single band image of 512 x 512 images of an urban area in AP. . The image is normalized to variance range between 0 and 1, All ...

7

A Review on Fusion Techniques for Fingerprint Recognition

A Review on Fusion Techniques for Fingerprint Recognition

... and wavelet transformed using the same wavelet, and transformed to the same number of ...and wavelet transform of the two images, readily available MATLAB routines are ...fused wavelet ...

6

Comparison of ECG Denoising Threshold Estimators through Wavelet Packet Analysis

Comparison of ECG Denoising Threshold Estimators through Wavelet Packet Analysis

... conservation of energy[10] of a signal and the concept of commulative frequency will also play an important role in defining threshold value. However, it is critical in wavelet thresholding to choose an ...

6

Discrete Wavelet Transforms Of Haars Wavelet

Discrete Wavelet Transforms Of Haars Wavelet

... detcoef is a one-dimensional wavelet analysis function. D = detcoef(C,L,N) extracts the detail coefficients at level N from the wavelet decomposition structure [C,L]. Level N must be an integer such that 1 ...

5

Voice Transmission By Wavelet Packet Modulation

Voice Transmission By Wavelet Packet Modulation

... use wavelet as a possible alternative for noise reduction is to explore new ways to reduce computational complexity and to achieve better noise reduction ...the wavelet transform may not require overlapped ...

6

Fast Implementation of Lifting based 1D/2D/3D DWT IDWT Architecture for Image Compression

Fast Implementation of Lifting based 1D/2D/3D DWT IDWT Architecture for Image Compression

... The wavelet transformation is a widely used technique for image processing ...and Discrete Cosine Transform (DCT), the Discrete Wavelet Transform (DWT) holds both time and frequency ...

7

Image Denoising Method using Oli-Shrink, A New Adaptive Wavelet Packet Thresholding Function

Image Denoising Method using Oli-Shrink, A New Adaptive Wavelet Packet Thresholding Function

... In this paper, it provides a general setting for wavelet based image denoising methods. The denoised image f is obtained by minimizing a functional, which is the sum of a data fidelity term and a regularization ...

15

Thermal and Visual Imaging and Accelerometry Developments to Assist with Arthritis Diagnosis

Thermal and Visual Imaging and Accelerometry Developments to Assist with Arthritis Diagnosis

... In this study, three techniques with a potential to assist clinicians in diagnosing JIA were developed. These were based on high-resolution thermal imaging (HRTI), visual imaging and accelerometry. A detailed correlation ...

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