Discrete Wavelet Transform-Based Satellite Image Resolution Enhancement



INTRODUCTION

RESOLUTION of an image has been always an important
issue in many image- and video-processing applications,
such as video resolution enhancement , feature extraction
, and satellite image resolution enhancement .
Interpolation in image processing is a method to increase
the number of pixels in a digital image. Interpolation has been
widely used in many image processing applications ....etc

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The Discrete Cosine Transform


Introduction
Transform coding constitutes an integral component of contemporary image/video processing
applications. Transform coding relies on the premise that pixels in an image exhibit a certain
level of correlation with their neighboring pixels. Similarly in a video transmission system,
adjacent pixels in consecutive frames2 show very high correlation. Consequently, these
correlations can be exploited to predict the value of a pixel from its r ....etc

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PLZ SEND ME THE PPT AND REPORT FOR DISCRETE WAVELET TRANSFORM-BASED SATELLITE IMAGE RESOLUTION ENHANACEMENT


PLZ SEND ME THE PPT AND REPORT FOR DISCRETE WAVELET TRANSFORM-BASED SATELLITE IMAGE RESOLUTION ENHANACEMENT

....etc

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This article describes methods of speech processing especially for cellular systems and internet voice communication.Oneof the most popular formats used for speech processing is PCM (Pulse Code Modulation) format, which has a high processing accuracy.However,long words and timeconsuming multiply operationsrestricts the usage of PCM codes.More advantageous to that,DPCM (Differential Pulse Code Modulation), which has a similar resolution as PCM but operates on shorter word lengths was developed DPCM uses delta modulation (DM) codes to obtain bett ....etc

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AUTOMATIC DETECTION OF ARRHYTHMIA IN ECG SIGNAL USING DISCRETE COSINE TRANSFORM



ABSTRACT

The Electrocardiogram (ECG) is the bioelectrical activity of the signal of the heart which represents the cyclic rhythm of contraction and relaxation of the heart muscles.
An arrhythmia is an irregularity with the speed or rhythm of the heartbeat. During an arrhythmia, the heart can beat too fast, too slow, or with an irregular rhythm.
The P,Q,R,S and T waves of the ECG signal contains all important features, t ....etc

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my requist : text hiding using discrete cosine transform in matlab code
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A FAST PIPELINED IMPLEMENTATION OF TWO DIMENSIONAL INVERSE DISCRETE COSINE TRANSFORMS

Abstract:- The inverse discrete cosine transform (IDCT) is a significant component in today s JPEG and MPEG decoders. Of all the stages in the decoding process of a JPEG file, the IDCT is the most computationally intensive. Hence, we require fast and efficient implementations, either in software or hardware. Numerous individual designs for computing the ID-IDCT have been proposed. Our 2D-IDCT incorporates two of our ID-IDCT cores and a transpose network to ....etc

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ppt for discrete wavelet transform based satellite image resolution enhancemnet

Satellite images are being used in many fields of research. One of the major issues of these types of images is their resolution. In this paper, we propose a new satellite image resolution enhancement technique based on the interpolation of the high-frequency subbands obtained by discrete wavelet transform (DWT) and the input image. The proposed resolution enhancement technique uses DWT to decompose the input image into different subbands. Then, the high-frequency ....etc

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