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Posted by: smart paper boy
Created at: Thursday 14th of July 2011 01:51:43 AM
Last Edited Or Replied at :Thursday 01st of March 2012 12:12:02 AM
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inated element.
When compressed data is retrieved from storage or received over a communications link, it is expanded back to its original form, based on the code.
Compression is used:
to save storage space
to reduce communications transmission requirements
The art or science of compactly representing information
Digital realm: using lesser number of bits to represent information
Data + Compression = information – redundancy
Most types of computer files are fairly redundant -- they have the same information listed over and over again. File-compression programs simply ge..................[:=> Show Contents <=:]

A Pseudo Lossless Image Compression Method

Posted by: smart paper boy
Created at: Monday 20th of June 2011 05:11:22 AM
Last Edited Or Replied at :Monday 20th of June 2011 05:11:22 AM
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I. RESULTS(cont.)
Our method modifies the noise bits of the data. The loss in the data is purely noise and will not cause any loss in visual and information.
For signal estimation, window size needs to be small in order to save detailed information. For standard deviation calculation, the window size should be large enough for statistically meaningful.
The residual image, whose signal part can be effectively removed, is the right choice for correctly measuring the noise bits.
The mean filter can smooth the ima..................[:=> Show Contents <=:]

An Improved Lossless Image Compression Algorithm Loco-R

Posted by: project topics
Created at: Thursday 28th of April 2011 08:15:54 AM
Last Edited Or Replied at :Thursday 28th of April 2011 08:15:54 AM
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ments illustrate that this algorithm is better than Rice Compression typically by around 15 percent..................[:=> Show Contents <=:]

Fractal Image Compression

Posted by: computer science crazy
Created at: Saturday 20th of September 2008 11:39:54 PM
Last Edited Or Replied at :Monday 04th of June 2012 05:54:44 AM
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pression. Most of the image compression techniques are said to be lossy as they reduce the information being stored.

The present method being employed consists of storing the image by eliminating the high frequency Fourier co-efficients and storing only the low frequency coefficients. This is the principle behind the DCT transformation which forms the basis of the JPEG scheme of image compression.

Barnsley suggested that storing of images as iterated functions of parts of itself leads to efficient image compression.In the middle of the 80's this concept of IFS became popular. Barnsley an..................[:=> Show Contents <=:]

Data Compression Techniques

Posted by: computer science crazy
Created at: Saturday 20th of September 2008 11:35:16 PM
Last Edited Or Replied at :Saturday 20th of September 2008 11:35:16 PM
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etter compression. Experience shows that fine tuning an algorithm to squeeze out the last remaining bits of redundancy from the data gives diminishing returns. Data compression has become so important that some researches have proposed the simplicity and power theory. Specifically it says, data compression may be interpreted as a process of removing unnecessary complexity in information and thus maximizing the simplicity while preserving as much as possible of its non redundant descriptive power.

Basic Types Of Data Compression

There are two basic types of data compression.
1. Lossy c..................[:=> Show Contents <=:]

Solar Power Generation

Posted by: computer science crazy
Created at: Saturday 20th of September 2008 11:21:54 PM
Last Edited Or Replied at :Friday 17th of February 2012 11:45:20 PM
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lar power generation is rapidly finding a prominence as a major part of power in the modern world. There are various problems associated with the tapping of Sun?s energy, such as movement of Sun. Researches has been going on to find new and efficient method to harness the solar power.

Commonly the solar panel is placed above the Earth?s surface facing the sun tilted at an angle of 450.But there is a problem, we can get maximum output from the panel only when the Sun comes perpendicular to the face of the panel. In late morning or afternoon, we cannot get maximum output from the panel. Thus..................[:=> Show Contents <=:]

Electrical Seminar lists1

Posted by: computer science crazy
Created at: Saturday 20th of September 2008 11:10:09 PM
Last Edited Or Replied at :Saturday 22nd of January 2011 01:08:34 AM
lists1 , Seminar, Electrical , ppt on ddr motors, seminar on electric cylinders , parasitic power, mems a pollution free option for power generation , boosting motoring efficency using small chips, electrical distribution system and suppression techniques , electric cylinder seminar full report, micro power electrostatic generator meg , electric cylinders, electricity from socean waves , electro heological fluids, pumped hydroelectric energy storage , presentation on electrical distribution system and suppression techniques, electrical seminar on electric field optimization of high voltage electrode digram , 9632 electro heological fluids, seminar report on jet stream windmill ,
source Planning
User profiling
Artificial Neural Networks Based Power System Restoration(28)
Brushless Motors
Magnetic Launching
MOCT technology (29)
Trends in appliance Motors
Parasitic power
FACTS - group of advanced transmission technologies(30)
Crystaline Silicon Solar Cells
Bidirectional generators
Advancements In Inverter Technology For Industrial Applications(31)
Electromagnetic Brakes
MEMS ? a pollution free option for power generation
Power Frequency Magnetic Fields(32)
Live Line Maintainance of transmission lines
Supply Distribution Management
Ultra Sonic M..................[:=> Show Contents <=:]

List of mechanical Seminar topics3

Posted by: computer science crazy
Created at: Saturday 20th of September 2008 12:15:31 PM
Last Edited Or Replied at :Friday 02nd of January 2015 12:16:13 PM
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Rocket Powered Aircraft
Space Shuttle
Hybrid Wind Electrolysis System
Cargo Storage in Space
Self Healing Space crafts
Elecro Magnetic Flowmeters
Green Factory
Threadless Couplings
Micro Moulding
Metal Nanoshells
Floating Wind mills
Micro Hydraulics
Diamond Cutting Tool And Coatings
Ball Piston machines
Atkinson cycle engine
Artificially Engineered Material Composites
Atomistic Characterization of Dislocation Nucleation and Fracture
Special materials for ultra low temperature applications
Magnetic Bearing
Solar power Tower
Cylinder Deactivation
Electric Rocket E..................[:=> Show Contents <=:]

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