wavelet-based interpolation method
Satellite Image Quality Improvement using Interpolation and Decomposition by Discrete Wavelet Transform (DWT)
... Discrete Wavelet Transform (DWT) based decomposition and bi-cubic interpolation ...Bi-cubic interpolation method will helpful for enhancing the edges of the objects in the satellite ...
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Super Resolution using Interpolation and Wavelet Lifting Scheme
... this method is called Super ...lifting based super resolution algorithm which generate super resolution image from three rotated, noisy and blurred ...HAAR wavelet lifting scheme and ASWDR encoding ...
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Satellite Image Enhancement using DWT – SWT Method
... algorithm based on interpolation of the high-frequency subbands acquired by discrete wavelet transform (DWT) and the low resolution input image is ...image interpolation into the low ...
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Comparision of different Image Resolution Enhancement techniques using wavelet transform
... techniques based on interpolation of the high frequency subband images obtained from wavelet zero padding-cycle spinning, discrete, stationary and Dual tree Complex wavelet transform ...in ...
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Integer Wavelet Based Image Interpolation in Lifting Structure for Image Resolution Enhancement
... image interpolation is wavelet-based method which can mitigate the problems of blurring and contrast ...of wavelet-based in- terpolation is how to estimate the high-pass ...
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Image Resolution Enhancement using Bicubic and Spline Interpolation Techniques
... the wavelet coefficients among the ...(HMT) based method in [5] models the unknown wavelet coefficients as belonging to mixed Gaussian distributions which are symmetrical about the zero ...of ...
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Global motion based video super-resolution reconstruction using discrete wavelet transform
... Manipulating wavelet coefficients in sub-bands containing high-pass frequency spatial information is the essential target of wavelet-based methods to solve the SR reconstruction ...bicubic ...
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Quality Enhancement of Low Resolution Biomedical Images Using Multi-Wavelet Transform and Interpolation Method
... images based on the multi-wavelet transform using interpolation ...and Interpolation method is used for resolution ...Discrete Wavelet Transform and Stationary Wavelet ...
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Satellite image resolution enhancement using discrete wavelet transform and new edge-directed interpolation
... discrete wavelet transform (IDWT). Recently, learning-based SR methods have emerged to further boost the efficiency of single image ...function method and the anchored neighbor regression (ANR) ...
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Least Squares Interpolation of Fused MR and CT Images in the Wavelet Domain
... image interpolation method that is performed in the wavelet domain with a least-squares algorithm was presented in ...This method estimates wavelet coefficients in the high-frequency ...
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REVIEW ON SUPER RESOLUTION OF IMAGES USING WAVELET TRANSFORM
... The above algorithm was implemented using MATLAB software on two still images i.e. ‘cameraman.tif’ of size 512x512 and lena.png of size 256x256. The statistical performance of the proposed algorithm is evaluated in terms ...
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Adaptive Wavelet Transform Method to Identify Cracks in Gears
... Entropy, as information measure of randomicity of random events, depends on event probability distribu- tion. By analogy, considering signal amplitude distribution, entropy is sensitive also to the shape of discrete ...
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Image magnification by least squares surfaces
... In this algorithm, a new pixel value is estimated with its four neigh- bourhoods in the corner (pixel 11) by the proposed method. Since, all the neighbourhoods on the central pixels are equal in term of distance ...
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Resolution Enhancement of the Satellite Image Processing using DT CWT Techniques
... not based on wavelets) suffer from the drawback of losing high- frequency contents (which results in ...discrete- wavelet-transform-based (DWT) RE scheme generates artifacts (due to a DWT ...
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Denoising of ECG Signals Using Framelet Transform
... In order to evaluate the results, the ECG signals corrupted by the Gaussian noise are used. Each signal is having duration of 1 min [12]. The percentage of Gaussian noise added to the noise free ECG signal is varied. ...
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Image Resolution Enhancement by using Wavelet Transform
... frequency sub-bands, and the input image. The proposed technique uses DWT to decompose an image into different sub-bands, and then the high frequency sub-band images have been interpolated. The interpolated high ...
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An Optimized Interpolation Algorithm for Bayer Pattern CFA Images based on Gradient
... process based on the correlation between pixel and surrounding pixels needs to be done [2], and this process is called Color Interpolation or DE ...Good interpolation algorithm can make the image ...
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Data Hiding Using Blind Algorithm of Steganography
... proposed method is done by using MATLAB R2014a on a system with hardware configuration Intel(R) Core2Duo CPU with ...coding based on secret messages of different ...
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Wavelet Transform Techniques for Image Resolution Enhancement: A Study
... adaptive interpolation is only applied to edge pixels (pixels near an edge); for nonedge pixels (pixels in smooth regions), they still use simple bilinear ...is based on the observation that only edge ...
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Review on Enhancement Techniques of Images
... DWT approach is the most commonly practiced technique in modern times to enhance a low resolution image. The DWT technique captures both frequency and location information of an image as represented in Fig 5. This ...
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