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Title: matlab code for digital watermarking using dct and dwt
Page Link: matlab code for digital watermarking using dct and dwt -
Posted By:
Created at: Saturday 13th of October 2012 04:38:57 PM
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ok i need this code for academic purpose
thanx alot ....etc

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Title: ROBUST DWT-SVD DOMAIN IMAGE WATERMARKING EMBEDDING DATA IN ALL FREQUENCIES
Page Link: ROBUST DWT-SVD DOMAIN IMAGE WATERMARKING EMBEDDING DATA IN ALL FREQUENCIES -
Posted By: computer science crazy
Created at: Thursday 01st of October 2009 09:50:24 AM
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ROBUST DWT-SVD DOMAIN IMAGE WATERMARKING: EMBEDDING DATA IN ALL FREQUENCIES
Watermarking (data hiding) is the process of embedding data into a multimedia element such as image, audio or video. This embedded data can later be extracted from, or detected in, the multimedia for security purposes. A watermarking algorithm consists of the watermark structure, an embedding algorithm, and an extraction, or detection, algorithm. Watermarks can be embedded in the pixel domain or a transform domain. In multimedia applications, embedded watermarks shou ....etc

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Title: Discrete Wavelet Transform DWT
Page Link: Discrete Wavelet Transform DWT -
Posted By: smart paper boy
Created at: Thursday 18th of August 2011 04:39:02 PM
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Discrete Wavelet Transform (DWT)
Overview
Need for Compression
Transmission and storage of uncompressed video would be extremely costly and impractical.
Frame with 352x288 contains 202,752 bytes of information
Recoding of uncompressed version of this video at 15 frames per second would require 3 MB. One minute180 MB storage. One 24-hour day262 GB
Using compression, 15 frames/second for 24 hour1.4 GB, 187 days of video could be stored using the same disk space that unc ....etc

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Title: A DWT BASED APPROACH FOR STEGANOGRAPHY USING BIOMETRICS
Page Link: A DWT BASED APPROACH FOR STEGANOGRAPHY USING BIOMETRICS -
Posted By: project topics
Created at: Thursday 28th of April 2011 09:15:35 PM
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A DWT BASED APPROACH FOR STEGANOGRAPHY USING BIOMETRICS

- International Conference On Data Storage And Data Engineering – IMAGE PROCESSING- Dotnet

Steganography is the art of hiding the existence of data in another transmission medium to achieve secret communication. It does not replace cryptography but rather boosts the security using its obscurity features. Steganography method used in this paper is based on biometrics. And the biometric feature used to implement steganography is skin tone region of images. Here secret data is embedde ....etc

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Title: Speech Recognition using DWT
Page Link: Speech Recognition using DWT -
Posted By: seminar class
Created at: Saturday 19th of March 2011 12:54:32 PM
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presented by:
Shyam Sundar Rath


Why Speech Recognition ?????
 Decrease the human intervention in different processes or in other words automate them.
 Security and privacy of documents.
DSP in Speech Recognition
 DSP has its own functions in Mat lab for Speech Recognition.
 Provides best quality of voice processing.
➌ Offers various options like
 DFT
 STFT
 SCFT
 DWT
Challenges in speech Recognition
 Human speech parameterized by different vari ....etc

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Title: image compression using dwt in code in java
Page Link: image compression using dwt in code in java -
Posted By:
Created at: Thursday 11th of October 2012 04:34:18 PM
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need program in java for image compression using dwt ....etc

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Title: DWT Based Blind Digital Video Watermarking Scheme for Video Authentication
Page Link: DWT Based Blind Digital Video Watermarking Scheme for Video Authentication -
Posted By: seminar details
Created at: Saturday 09th of June 2012 05:03:15 PM
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DWT Based Blind Digital Video Watermarking Scheme for
Video Authentication





INTRODUCTION

Video is a three-dimensional array of color pixels. Two
dimensions serve as spatial (horizontal and vertical) directions of
the moving pictures, and one dimension represents the time
domain . Digital video offers a number of advantages over
analog video, including the ease of sharing and storage, no
degradation of data quality when replicated, easy and inexpen ....etc

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Title: advantages of dwt watermarking
Page Link: advantages of dwt watermarking -
Posted By:
Created at: Thursday 04th of October 2012 12:32:28 AM
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advantages of descrite wavelet transform watermarking ....etc

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Title: dwt vhdl code
Page Link: dwt vhdl code -
Posted By:
Created at: Wednesday 03rd of October 2012 11:28:31 PM
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Dear Sir,
Iam looking for dwt vhdl code...to be implemented in two dimentional 2D DWT in image compression topic.If there is an application on traditional convolution type DWT such as CDF 9/7 or the Lifting scheme DWT of this type CDF 9/7, or any example type and also the SPIHT implementation in VHDL.
Thanks and regards ....etc

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Title: Studies on DWT-OFDM and FFT-OFDM Systems
Page Link: Studies on DWT-OFDM and FFT-OFDM Systems -
Posted By: seminar surveyer
Created at: Friday 15th of October 2010 02:44:15 PM
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Prepared by:
Khaizuran Abdullah
Zahir M. Hussain


Abstract

Comparative studies on DWT-OFDM and FFTOFDM systems are presented. The model for DWT-OFDM includes zero-padding and vector transpose for transmitting the OFDM signal. MATLAB simulation commands are also described. The discrete wavelet transform-OFDM (DWT-OFDM) has to satisfy the orthonormal bases and the perfect reconstruction properties to be considered as wavelet transform. Different wavelet families have been used and compared with the conventional ....etc

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