Fractal Image Coding in the Discrete Wavelet Transform Domain
نویسنده
چکیده
منابع مشابه
An improved hybrid image watermarking scheme in shearlet and wavelet domain
Watermarking is one of the best solutions for copyright protection and authentication of multimedia contents. In this paper a hybrid scheme is proposed using wavelet and shearlet transforms with singular value decomposition. For better security, Arnold map is used for encryption. Examining the results and comparing with other methods show that this hybrid proposed scheme with simultaneous utili...
متن کاملCombining wavelet and fractal coding for 3-D video coding
Smooth regions and edges are very self similar and can be coded efficiently by fractal coders. One problem of fractal image coding is to achieve a high quality or a lossless representation of an image. This can be overcome by a hybrid coding approach as proposed by the authors in [3]. An extension to 3-D fractal video coding is described in [4]. Due to the block based algorithm, however, blocki...
متن کاملImplementation of VlSI Based Image Compression Approach on Reconfigurable Computing System - A Survey
Image data require huge amounts of disk space and large bandwidths for transmission. Hence, imagecompression is necessary to reduce the amount of data required to represent a digital image. Thereforean efficient technique for image compression is highly pushed to demand. Although, lots of compressiontechniques are available, but the technique which is faster, memory efficient and simple, surely...
متن کاملPerformance of Fractal Image Compression for Medical Images: A Comprehensive Literature Review
Generally the fractal image compression is a technique based on the presentation of an image by a contractive transform, on the space of image, for which the fixed point is close to the original image. The fractal image compression is rapidly growing principle covers a wide variety of coding scheme in various domains. A large number of theoretical aspects of this concept are available. However,...
متن کاملAn Efficient Algorithm and Architecture Design For Two-Dimension Separable Discrete Wavelet Transform
In recent years, the Discrete Wavelet Transform (DWT) has become a powerful tool in many areas, such as image compression and analysis, texture discrimination, fractal analysis, pattern recognition and so on. Due to the localization property both in time and frequency domain, wavelet transform is more efficient than Short Time Fourier Transform (STFT) or Discrete Cosine Transform (DCT) in de-co...
متن کامل