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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: dwt based ofdm matlab code
Page Link: dwt based ofdm matlab code -
Posted By:
Created at: Thursday 30th of October 2014 02:09:59 AM
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i am looking for dwt based ofdm matlab code please ....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: matlab code on dwt based mimo ofdm
Page Link: matlab code on dwt based mimo ofdm -
Posted By:
Created at: Friday 26th of December 2014 10:11:24 PM
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dear sir , i am studing BE in kongu engineering college .i have to do the prjct on DWT based MIMO-OFDM to improve the bit error rate .i want to know the steps .pls give some steps and matlab code for mimo ofdm. ....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: 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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Title: simulink model for dwt ofdm
Page Link: simulink model for dwt ofdm -
Posted By:
Created at: Friday 14th of December 2012 10:38:44 PM
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Respected sir/mam

I am working on WiMAX Model so required DWT-OFDM Model ....etc

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Title: matlab simulink model for dwt ofdm
Page Link: matlab simulink model for dwt ofdm -
Posted By:
Created at: Tuesday 30th of October 2012 09:28:40 PM
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sir

I am doing my proect in ofdm.is it possible for me to provide exact simulink diagram f dwtfft based ofdm
....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: Simulation of OFDM and Bandwidth efficient Wireless OFDM
Page Link: Simulation of OFDM and Bandwidth efficient Wireless OFDM -
Posted By: seminar surveyer
Created at: Wednesday 29th of December 2010 02:57:19 PM
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By
JOSHI G




Abstract

The demand for high-speed mobile wireless communications is rapidly growing.
OFDM technology promises to be a key technique for achieving the high data capacity and spectral efficiency requirements for wireless communication systems of the near future. This work presents an investigation into methods for maximizing the spectral efficiency of Orthogonal Frequency Division Multiplexing (OFDM) systems. The current standards such as IEEE 802.11a in USA and ....etc

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