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wavelet domain

Resolution Enhancement of images with
Interpolation and DWT-SWT Wavelet Domain
Components

Resolution Enhancement of images with Interpolation and DWT-SWT Wavelet Domain Components

... As it was mentioned before, resolution is an important feature in satellite imaging, which makes the resolution enhancement of such images to be of vital importance as increasing the resolution of these images will ...

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An Enhanced Primal–Dual Method For Total Variation-Based Wavelet Domain Inpainting

An Enhanced Primal–Dual Method For Total Variation-Based Wavelet Domain Inpainting

... the wavelet domain, and I ½ - is the set of available wavelet ...inverse wavelet transform ̂ . The aim of wavelet-domain inpainting is to reconstruct the original image f from ...

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Experiments on the Capability of Wavelet Domain Noise Suppression: Comparison with Spatial Domain Noise Suppression

Experiments on the Capability of Wavelet Domain Noise Suppression: Comparison with Spatial Domain Noise Suppression

... The experiment in section 3.2 is repeated with Speckle noise. The results are presented in Fig. 19. Speckle noise suppression is better in the spatial domain than the wavelet domain. GTSF and G are ...

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Hybrid Security System based on Wavelet Domain Watermarking and Chaotic Map Cryptography

Hybrid Security System based on Wavelet Domain Watermarking and Chaotic Map Cryptography

... watermarking algorithm based on chaotic encryption is proposed. The chaotic sequences are generated through chaotic cat map, which is determined by an initial condition and parameters. The watermark is added to the ...

6

Hydrological model performance and parameter estimation in the wavelet domain

Hydrological model performance and parameter estimation in the wavelet domain

... timated wavelet-power spectra is defined, this will be dis- cussed in detail in ...uous wavelet transform in ...the wavelet-domain through simple examples and synthetic case studies, ...the ...

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An adaptive bandwidth nonlocal means image denoising in wavelet domain

An adaptive bandwidth nonlocal means image denoising in wavelet domain

... of wavelet coefficients is shown to provide competitive results ...the wavelet domain nonlocal means filter provides higher PSNR than the spatial domain nonlocal means ...

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Fuzzy Based Adaptive ThresholdingFor Image Denoising In Complex Wavelet Domain

Fuzzy Based Adaptive ThresholdingFor Image Denoising In Complex Wavelet Domain

... Spatial domain method remain additional categorized as non-linear filters [6] also linear filters ...transform domain filters initially transforms the image and then different methodologies are accomplished ...

5

Image contour based on context aware in complex wavelet domain

Image contour based on context aware in complex wavelet domain

... plex wavelet filter bank and context- aware closed contour with boundary ...plex wavelet transform for edge detection that can act as the local edge ...complex wavelet coefficients represent strong ...

17

Satellite Image (Multispectral) Enhancement Techniques in Wavelet Domain: An Overview

Satellite Image (Multispectral) Enhancement Techniques in Wavelet Domain: An Overview

... in wavelet domain which uses correlation of subband with different sampling phases in ...applying wavelet transform to low resolution ...inverse wavelet transform is performed to enhance the ...

5

Tracking of Non Rigid Object in Complex Wavelet Domain

Tracking of Non Rigid Object in Complex Wavelet Domain

... spatial domain, real wavelet domain and in complex wavelet ...spatial domain is very accurate because the operations are performed pixel-wise basis but the computational time in spatial ...

7

Video Object Tracking, Classification and Segmentation in Complex Wavelet Domain

Video Object Tracking, Classification and Segmentation in Complex Wavelet Domain

... Detection and removal of shadow is a challenging problem. Presence of shadow degrades performance of any surveillance system as a number of shadow points are always misclassified as object points. The real challenge is ...

16

Robust Watermarking of Document and Graphics Images in Wavelet Domain

Robust Watermarking of Document and Graphics Images in Wavelet Domain

... I n this paper, a robust spread spectrum method of digital image watermarking for document and graphics images in wavelet domain is proposed. The algorithm automatically selects the watermark embedding ...

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Speech Enhancement in Wavelet Domain using Principle Component Analysis and Enhancement Filters

Speech Enhancement in Wavelet Domain using Principle Component Analysis and Enhancement Filters

... in wavelet domain to enhance the ...time domain by applying inverse wavelet domain. Wavelet features of the noisy speech signal are extracted and the dimension of the features is ...

5

Audio Steganography in Wavelet Domain – A Survey

Audio Steganography in Wavelet Domain – A Survey

... reviewed, wavelet domain shows high hiding capacity and high perceptual ...in wavelet domain. Based on this survey the efficient wavelet masking technique proposed in [16] satisfies ...

5

2D+t Wavelet Domain VideoWatermarking

2D+t Wavelet Domain VideoWatermarking

... using wavelet-based motion compensated 2D + t + 2D ...based wavelet domain video decomposition ...in wavelet-based scalable video coding research [9, ...subband wavelet decomposition, ...

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Image Denoising using Principal Component Analysis in Wavelet Domain and Total Variation Regularization in Spatial Domain

Image Denoising using Principal Component Analysis in Wavelet Domain and Total Variation Regularization in Spatial Domain

... This paper presents a denoising algorithm which is a combination of denoising in both the wavelet domain and the spatial domain. The first stage of denoising is performed by applying PCA on the ...

7

A Survey on Image Denoising in Wavelet Domain

A Survey on Image Denoising in Wavelet Domain

... Thakur et.al.[1] proposed a method in which X-rays along with the photon are used to generate X-ray images. The X-rays used for this purpose should have wavelength below 0.2 to 0.1nm. These X-rays have the high ...

5

Tamper Localization In Wavelet Domain Using Semi-Fragile Watermarking

Tamper Localization In Wavelet Domain Using Semi-Fragile Watermarking

... The remainder of this paper is organized as follows. In Section 2 we present the proposed image authentication scheme in the wavelet domain, showing the block diagrams of the watermark encoder and decoder ...

6

Morphological wavelet domain image watermarking

Morphological wavelet domain image watermarking

... Current digital watermarking methods based on the discrete wavelet transform use orthogonal wavelet kernels. In this paper, we discuss the use of morphological wavelets, which are a class of non-linear ...

6

Least Squares Interpolation of Fused MR and CT Images in the Wavelet Domain

Least Squares Interpolation of Fused MR and CT Images in the Wavelet Domain

... the wavelet domain with a least-squares algorithm was presented in ...estimates wavelet coefficients in the high-frequency sub-images of the estimated high-resolution image from the low-resolution ...

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