discrete cosine transform domain
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 ...Hartley transform based normalized LMS ...
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Digital Image Watermarking Technique Using Discrete Wavelet Transform and Discrete Cosine Transform
... Discrete Cosine Transform : Digital watermarking has been proposed as a viable solution to the need of copyright protection and authentication of multimedia data in a networked environment, since it ...
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Complexity Analysis and Accuracy of Image Recovery Based on Signal Transformation Algorithms
... Wavelet Transform) and DCT (Discrete Cosine ...frequency domain and it is more robust then provides good performance as proposed in ...2-D discrete cosine transform ...
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Embedding and Extracting Digital Watermark Based on DCT Algorithm
... for Discrete Cosine Transform is used to transform the image pixel value and the frequency do- main coefficient matrix to realize the embedding and extracting of the blind watermark in the ...
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PERFORMANCE ANALYSIS OF DUAL CHANNEL SPEECH ENHANCEMENT METHOD WITH DCT AND HADAMARD TRANSFORMS USING NORMALIZED LATTICE RECURSIVE LEAST SQUARE ALGORITHM
... time domain signal to frequency domain signal. Discrete Cosine Transform converts the input time domain speech signal into a frequency domain signal by representing it as ...
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Volume 3, Issue 4, April 2014 Page 105
... (b) Discrete Cosine Transform (DCT): In DCT method, the image is first transformed to frequency domain and then separated into spectral ...The discrete cosine coefficients of ...
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A Hybrid System Based on a Filter Bank and a Successive Approximations Threshold for Microcalcifications Detection
... In order to investigate the frequency support of a microcalcification, twelve microcalcifications of 8 x 8 samples each were taken from different digital mammograms [12]. The mean of each microcalcification was ...
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Implementation of Image Fusion Techniques for Remote Sensing Application
... Wavelet transform is a multi-decomposition of an image in a bi-orthogonal basis and results in a non-redundant image ...This transform is more suitable then Fourier transform and Discrete ...
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A Survey on Digital Image Watermarking Based on DCT and NPA
... been as a possible declaration to the necessity of modifying, copyright protection and authentication of transmission data in an exceedingly much networked setting, it makes possible to identify the author, owner, ...
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Volume 2, Issue 7, July 2013 Page 445
... spatial domain methods and frequency domain methods. Spatial domain algorithms are simple and data embedding capacity is more and vulnerable ...frequency domain that is on Discrete ...
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Comparative Study on Multi focus Image Fusion Techniques in Dynamic Scene
... categories: Transform domain fusion and spatial domain fusion ...used transform domain fusion techniques are DCT (Discrete Cosine Transform), DWT (Discrete ...
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Frequency Domain Approaches for Fingerprint Based Gender Classification
... spatial domain approach or frequency domain ...spatial domain parameters and few were based on frequency domain ...frequency domain approach and fingerprints were analysed using Fast ...
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Transform Based Digital Image Watermarking Techniques for Image Authentication
... spatial domain, Least- Significant Bit (LSB), Patchwork algorithm and Texture mapping coding method and in the transform domain, Discrete Fourier Transform (DFT), Discrete ...
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An MDCT domain three-point interpolation-based low-complexity frequency estimator
... Compressed domain audio frequency estimators that directly use the modified discrete cosine transform (MDCT) coefficients are suitable for low-complexity audio ...MDCT domain estimators ...
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Telugu Speech Enhancement In Terms Of Objective Quality Measures Using Discrete Wavelet Transform With Hybrid Thresholding
... time domain approach and second one is transform domain ...time domain approach, filtering is performed directly on the time ...the transform domain techniques, signals are first ...
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A Digital Image Watermarking Algorithm Based on DWT DCT and SVD
... spatial domain approaches, the watermark is embedded directly to the pixel locations [13], ...spatial domain is the direct ...In transform domain approaches, a mathematical transform is ...
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Review on Different Video Watermarking Techniques
... the transform domain method for the digital watermarking of video for embedding invisible watermarks behind the ...2-D Discrete wavelet Transform and discrete cosine ...
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Effect of Secret Image Transformation on the Steganography Process by using LSB & DCT Techniques
... time domain like least significant bit (LSB) substitution, phase coding ...time domain image steganography schemes which hide secret data in the phase of the cover ...image. Transform domain ...
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Comparative Analysis of Image Compression Using DCT and DWT Transforms
... Discrete Cosine Transform (DCT) exploits cosine functions, it transform a signal from spatial representation into frequency domain. The DCT represents an image as a sum of ...
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Image steganography using least significant bit and secret map techniques
... spatial domain embedding or frequency domain embedding. Frequency domain embedding involves the transformation of images into frequency components through discrete cosine ...
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