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adaptive wavelet transform methods

Adaptive Wavelet Transform Method to Identify Cracks in Gears

Adaptive Wavelet Transform Method to Identify Cracks in Gears

... mentioned methods, based on orthogonal wavelet ...these methods result in an even greater smoothness than in case of the original ...denoising methods are not suitable for vibration analysis ...

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Adaptive Transcoders for Video & Image Sequence Using Wavelet Transform

Adaptive Transcoders for Video & Image Sequence Using Wavelet Transform

... various methods are used. The preprocessing using wavelet based compression methodology is ...efficient Wavelet based compression can significantly minimize the energy required for wireless image ...

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Fuzzy Based Adaptive ThresholdingFor Image Denoising In Complex Wavelet Domain

Fuzzy Based Adaptive ThresholdingFor Image Denoising In Complex Wavelet Domain

... before methods are considered as spatial& transform area ...The transform domain filters initially transforms the image and then different methodologies are accomplished over the transformed ...

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Adaptive Contourlet transform and Wavelet transform based image Steganography using Singular Value Decomposition

Adaptive Contourlet transform and Wavelet transform based image Steganography using Singular Value Decomposition

... and wavelet hybrid transform (NSCWHT) and study its application in ...between wavelet based and contourlet based methods, peak signal to noise ratio (PSNR) and normalized cross correlation ...

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A Robust Adaptive Haar Wavelet Transform 
		global contrast enhancement

A Robust Adaptive Haar Wavelet Transform global contrast enhancement

... Several methods have been proposed to solve the visualization issue of compressed image; however, these techniques are problem-specific and hence their robustness are ...Robust Adaptive Haar Wavelet ...

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An Adaptive Method for Digital Image Concealing using Discrete Wavelet Transform

An Adaptive Method for Digital Image Concealing using Discrete Wavelet Transform

... two methods for watermarking: spatial domain and frequency ...Discrete Wavelet Transform (DWT) domain image watermarking system for real time ...

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Meningioma classification using an adaptive discriminant wavelet packet transform

Meningioma classification using an adaptive discriminant wavelet packet transform

... the methods described above is to come up with a multiresolution wavelets decomposition that represents the salient characteristics of the texture classes being ...Multiresolution Adaptive Wavelet ...

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Digital Image Watermarking for Arbitrarily Shaped Objects Based On SA-DWT

Digital Image Watermarking for Arbitrarily Shaped Objects Based On SA-DWT

... a wavelet-based watermark ...multithreshold wavelet codec (MTWC), the method searches the significant wavelet coefficients to embed the watermark in order to increase the ...of adaptive ...

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Image Characterization Based Adaptive Wavelet Transform in Image Retrieval

Image Characterization Based Adaptive Wavelet Transform in Image Retrieval

... on adaptive wavelet ...discrete wavelet transform and different distance calculation. The adaptive wavelet transform is better retrieval performance, less computation time ...

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Image Compression Using Adaptive Haar Wavelet Based Tetrolet Transform

Image Compression Using Adaptive Haar Wavelet Based Tetrolet Transform

... of methods have been proposed to improve the treatment with orientated geometric image ...are wavelet systems with more directional sensitivity than classical tensor product ...

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Adaptive colour constancy algorithm using discrete wavelet transform

Adaptive colour constancy algorithm using discrete wavelet transform

... The gamut of a canonical illuminant is the set of all possible RGB triplets, typically a white illuminant. It is represented by a convex hull in the RGB colour space [8]. Gamut mapping [8] exploits the observa- tion that ...

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OPTIMAL PARAMETERS SELECTION TO REDUCE CUTTING TEMPERATURE OF MILD STEEL USING 
PARTICLE SWARM OPTIMIZATION INTELLIGENT TECHNIQUE

OPTIMAL PARAMETERS SELECTION TO REDUCE CUTTING TEMPERATURE OF MILD STEEL USING PARTICLE SWARM OPTIMIZATION INTELLIGENT TECHNIQUE

... The need for an efficient technique for compression of images is ever increasing because, the raw images need large amounts of disk space seems to be a big disadvantage during transmission and storage. Even though, there ...

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Wavelet Video Denoising with Regularized Multiresolution Motion Estimation

Wavelet Video Denoising with Regularized Multiresolution Motion Estimation

... the wavelet transform and its effectiveness in image denoising, we are highly motivated to consider spatial-temporal video fil- tering, but entirely in the wavelet ...the wavelet domain. ...

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Comparative Analysis of Image Compression Using DCT and DWT Transforms

Comparative Analysis of Image Compression Using DCT and DWT Transforms

... The approximation details can then be put through a filter bank, and this is repeated until the required level of decomposition has been reached. The filtering step is followed by a sub- sampling operation that decreases ...

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An Approach to Protect the Secret Image Data and Verification of Dealer Using Image Fusion

An Approach to Protect the Secret Image Data and Verification of Dealer Using Image Fusion

... mother wavelet Ψ (t) has to be zero integral, ʃ Ψ (t) dt =0, High frequency wavelet correspond to a<1 or narrow width while low frequency wavelets correspond to a>1 or wider ...prototype ...

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Advance Technique for Feature Extraction and Image Compression

Advance Technique for Feature Extraction and Image Compression

... evaluated. The experimental results gives the detail that LDA and LDA+Curvelet. These are dimensionality reduction technique, and can be employed for face recognition very well. Curvelets can be applied to diverse fields ...

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Performance Study of Several Methods and Selected Wavelets for Image Compression

Performance Study of Several Methods and Selected Wavelets for Image Compression

... cosine transform (DCT) is using only real numbers and DCT is a Fourier-correlated transform equivalent to the discrete Fourier transform ...Fourier transform), where the input moreover output ...

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Image coding using wavelet transform and adaptive block truncation coding

Image coding using wavelet transform and adaptive block truncation coding

... 3.2 3.3 4 Image coding Using Adaptive Block Truncation Coding in the Wavelet Transform Domain 46 3.2.1 Monochrome Image Compression Algorithm 47 3.2.2 Color Image Compression Algorithm 4[r] ...

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A Review on Fusion Techniques for Fingerprint Recognition

A Review on Fusion Techniques for Fingerprint Recognition

... The information content of a single image is mainly limited by the spatial and spectral resolution of the imaging system. Current imaging systems offer a trade-off between high spatial and high spectral resolutions. No ...

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Texture Feature Extraction Methods and Wavelet Standpoint

Texture Feature Extraction Methods and Wavelet Standpoint

... B. Statistical - Statistical approach is based on the representation of texture indirectly and by distribution of certain parameters like grey levels and relationships among them. Second order statistics is having higher ...

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