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Title: ppt of skintone steganography using discrete wavelet transform
Page Link: ppt of skintone steganography using discrete wavelet transform -
Posted By:
Created at: Tuesday 31st of March 2015 12:58:04 PM
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Title: text hiding using discrete cosine transform in matlab code
Page Link: text hiding using discrete cosine transform in matlab code -
Posted By:
Created at: Wednesday 28th of November 2012 03:21:42 PM
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my requist : text hiding using discrete cosine transform in matlab code
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Title: Speech Processing with the Usage of Cosine Transform
Page Link: Speech Processing with the Usage of Cosine Transform -
Posted By: seminarsense
Created at: Tuesday 16th of November 2010 05:52:28 PM
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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 bet ....etc

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Title: A FAST PIPELINED IMPLEMENTATION OF TWO DIMENSIONAL INVERSE DISCRETE COSINE TRANSFORMS
Page Link: A FAST PIPELINED IMPLEMENTATION OF TWO DIMENSIONAL INVERSE DISCRETE COSINE TRANSFORMS -
Posted By: computer science crazy
Created at: Friday 18th of September 2009 12:25:18 AM
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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 todayâ„¢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 netwo ....etc

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Title: The Discrete Cosine Transform
Page Link: The Discrete Cosine Transform -
Posted By: seminar addict
Created at: Thursday 02nd of February 2012 06:38:13 PM
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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 ....etc

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Title: IMAGE COMPRESSION USING DISCRETE COSINE TRANSFORM
Page Link: IMAGE COMPRESSION USING DISCRETE COSINE TRANSFORM -
Posted By: seminar class
Created at: Wednesday 20th of April 2011 12:29:28 PM
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Submitted by
Nancy Singal


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 redundancy, which is present when less than optimal (i.e. the smallest length) code words are used; (2) Interpixel redundancy, which results from correlations between the pixels of an image & (3) psycho visual redundancy which is due to data that is ignored by the ....etc

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Title: hybrid color image compression technique by using discrete wavelet transform and discrete cosine transform
Page Link: hybrid color image compression technique by using discrete wavelet transform and discrete cosine transform -
Posted By:
Created at: Sunday 30th of September 2012 08:53:45 PM
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Title: AUTOMATIC DETECTION OF ARRHYTHMIA IN ECG SIGNAL USING DISCRETE COSINE TRANSFORM
Page Link: AUTOMATIC DETECTION OF ARRHYTHMIA IN ECG SIGNAL USING DISCRETE COSINE TRANSFORM -
Posted By: computer girl
Created at: Friday 08th of June 2012 05:44:23 PM
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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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Title: HIGH CAPACITY AND SECURITY STEGANOGRAPHY USING DISCRETE WAVELET TRANSFORM
Page Link: HIGH CAPACITY AND SECURITY STEGANOGRAPHY USING DISCRETE WAVELET TRANSFORM -
Posted By: computer girl
Created at: Thursday 07th of June 2012 08:08:12 PM
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HIGH CAPACITY AND SECURITY STEGANOGRAPHY USING
DISCRETE WAVELET TRANSFORM




Abstract

The secure data transmission over internet is achieved using Steganography. In
this paper High Capacity and Security Steganography using Discrete wavelet
transform (HCSSD) is proposed. The wavelet coefficients of both the cover and
payload are fused into single image using embedding strength parameters alpha
and beta. The cover and payload are preprocessed to reduce the pixel range to
ensure the payload is recovered a ....etc

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Title: matlab code for high capacity and security steganography using discrete wavelet transform
Page Link: matlab code for high capacity and security steganography using discrete wavelet transform -
Posted By:
Created at: Friday 05th of October 2012 10:55:05 PM
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