The Discrete Cosine Transform
Image Compression using Discrete Cosine Transform & Discrete Wavelet Transform
... ABSTRACT Image Compression addresses the problem of reducing the amount of data required to represent the digital image. Compression is achieved by the removal of one or more of three basic data redundancies: (1) Coding ...
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Computation of Hilbert Transform via Discrete Cosine Transform
... Hilbert transform (HT) is an important tool in constructing analytic signals for various purposes, such as envelope and instantaneous frequency analysis, amplitude modulation, shift invariant wavelet analysis and ...
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3D- Discrete Cosine Transform For Image Compression
... 3D Discrete Cosine Transform (DCT) Interest in image processing methods stems from two principal application areas, improvement of pictorial information for human interpretation for autonomous ...
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Discrete cosine transform-based image fusion
... domains. Discrete wavelet transform would provide directional information in decomposition levels and contain unique information at different resolutions 4, 5 ...multi-resolution discrete ...
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Digital Image Watermarking Technique Using Discrete Wavelet Transform and Discrete Cosine Transform
... time. 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, ...
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Recognition Method Based on Gabor Wavelet Transform and Discrete Cosine Transform
... wavelet transform and discrete cosine transform (DCT) was ...the discrete cosine transform method and the Gabor wavelet transform algorithm was proposed to form an ...
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A comparison of discrete cosine transform and discrete wavelet transform algorithm in watermarking against common attacks
... 24 (Nivedita et al., 2012), (Fung et al., 2011). Watermarking based on DCT has two facts. The first fact is that much of the signal energy lies at low-frequencies sub-band which contains the most important visual parts ...
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Image Compression Using Discrete Cosine Transform (DCT) & Discrete Wavelet Transform (DWT) Techniques
... # ¹Research Scholar, ²Professor, Department of Computer science, Himachal Pradesh University, Shimla, India Abstract: Image compression is a process of reducing or eliminating redundant or irrelevant data. It helps in ...
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Contrast and Luminance Enhancement Using Discrete Shearlet Transform, Discrete Cosine Transform And Filtering Technique
... Enhancement, discrete shearlet transform, discrete cosine transform, filter _______________________________________________________________________________________________________ ...
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Evolution of the discrete cosine transform using genetic programming
... the Discrete Cosine Transform (DCT). The cosine transform has been heavily researched and many efficient methods have been determined and successfully applied in practice; this paper ...
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Efficient Sentence Embedding using Discrete Cosine Transform
... While more complex sequential or convolu- tional networks potentially yield superior clas- sification performance, the improvements in classification accuracy are typically mediocre compared to the simple vector ...
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Dual watermarking for video using discrete cosine transform
... as Discrete Cosine Transform (DCT) and Discrete Wavelet Transform (DWT) are used for watermarking in the frequency ...which transform watermark algorithms are stronger and have ...
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Grayscale Image Compression using Discrete Cosine Transform
... ________________________________________________________________________________________________________ Abstract - Image compression is the reduction or elimination of redundancy in data representation in order to ...
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Invisible Watermarking Audio Digital with Discrete Cosine Transform
... Security is one of the most important parts now, related to copyright which has a royalty to the content owner, this content are an audio file, invisible watermarking is one of the types of techniques that can be used to ...
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VLSI Design of a Fast Pipelined 8x8 Discrete Cosine Transform
... ABSTRACT This paper presents a Very Large Scale Integrated (VLSI) design and implementation of a fixed-point 8x8 multiplierless Discrete Cosine Transform (DCT) using the ISO/IEC 23002- 2 algorithm. ...
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Performance Evaluation of Image Fusion Based on Discrete Cosine Transform
... Abstract – Discrete cosine transform (DCT) is used for fusion of two different images and for image compression. Image fusion deals with creating an image by combining portions from other images to ...
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Title: Image Compression Using Discrete Cosine Transform Method
... the transform, the quantization, the entropy coding and Huffman ...the discrete cosine transform is used to transform the image block data from spatial domain to frequency domain to ...
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Biometrics Fingerprint Recognition using Discrete Cosine Transform (DCT)
... 5. CONCLUSIONS Fingerprint identification is one of the most well-known and publicized biometrics. Because of their uniqueness and consistency over time, fingerprints have been used for identification for over a century. ...
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Solder joint defects classification using the Log-Gabor Filter, the Discrete Wavelet Transform and the Discrete Cosine Transform
... bank, Discrete Wavelet Transform and Discrete Cosine Transform for feature extraction of solder joint images on Printed Circuit Boards ...Mahalanobis Cosine metric is also ...
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Keywords Android, Copyright Protection, Discrete Cosine Transform (DCT), Digital Watermarking, Discrete Wavelet Transform (DWT), YCbCr.
... Keywords—Android, Copyright Protection, Discrete Cosine Transform (DCT), Digital Watermarking, Discrete Wavelet Transform (DWT), YCbCr. I. Introduction In the recent time, mobile phones ...
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