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data compression
(190 results)-
White Papers
Business benefits of email archiving
Sep 2011
The burdens of email do not have to outweigh its uses. Email archiving is an essential business tool, and the benefits can go far beyond the realm of the IT department. It is more than regulatory...
Provided by Symantec
-
Whitepapers
VMware and Unitrends - THE Virtualization Protection Solution
Sep 2012
Unitrends is among an elite set of vendors that provide an all-in-one virtual appliance for VMware vSphere 5 that provides enterprise-class protection for the VMware virtual infrastructure....
Provided by Unitrends
-
Webcasts
TechNet Webcast: SQL Server 2008 (Part 2 of 3): Manage Large-Scale Data Warehousing (Level 300)
May 2008
The attendee of this webcast will learn how to incorporate the new features in Microsoft SQL Server 2008 to manage large-scale data warehouses that can scale to larger number of users and growing...
Provided by Microsoft Tips
-
Case Studies
Tognum AG: Manufacturer Uses Data Compression to Cut Storage Costs and Save 175,000 Annually
Jun 2012
Tognum AG makes and sells diesel and gas engines and gas turbines with output of up to 45,000 kilowatts. With 23 subsidiaries, hundreds of dealers, and its own manufacturing operations, Tognum AG...
Provided by Microsoft
-
White Papers
Microsoft SQL Server 2008 Data and Backup Compression
Aug 2008
Microsoft SQL Server 2008 introduces two new compression features (available in Enterprise and Developer editions) that are of interest to users with large databases. Data compression applies to...
Provided by Unisys
-
Whitepapers
Comparison of Singular Value Decomposition, Principle Component Analysis, Independent Component Analysis for an Image
Jun 2012
It is well known that the images, often used in variety of computer applications, are difficult to store and transmit. One possible solution to overcome this problem is to use a data compression...
Provided by Kurukshetra University
-
White Papers
Data Compression Benchmark and ROI Analysis
Oct 2009
Data compression offers a technology solution for increasing the efficiencies and decreasing the costs of storing and transferring critical business information. With average compression rates of...
Provided by Pkware
-
White Papers
Error-Resilient LZW Data Compression
Jan 2010
As many practitioners know, compressed streams are very sensitive the transmission errors. Even a single error can have devastating effects and compromise all the data downstream. In fact, the...
Provided by University of California
-
White Papers
Performance and Power Optimization Through Data Compression in Network-on-Chip Architectures
Jan 2008
The trend towards integrating multiple cores on the same die has accentuated the need for larger on-chip caches. Such large caches are constructed as a multitude of smaller cache banks...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Power Efficiency With Correlated Data Compression in Sensor Networks
Feb 2010
One of the main constraints for wireless sensor networks is its power budget, which creates a tradeoff on the amount of data the sensor network can transmit and the amount of time that it is...
Provided by University of California
-
White Papers
Skeleton-Based Data Compression for Multi-Camera Tele-Immersion System
Mar 2008
Image-based full body 3D reconstruction for tele-immersive applications generates large amount of data points, which have to be sent through the network in real-time. This paper introduces a...
Provided by University of California
-
White Papers
Compression and Storage Schemes in a Sensor Network With Spatial and Temporal Coding Techniques
Jan 2008
Wireless sensor networks provide a convenient manner to monitor the physical environments. How to extend the network lifetime by reducing the amount of message transmissions is a critical issue....
Provided by National Chiao-Tung University
-
White Papers
The Block Lossless Data Compression Algorithm
Oct 2009
The mainstream lossless data compression algorithms have been extensively studied in recent years. However, rather less attention has been paid to the block algorithm of those algorithms. The aim...
Provided by Harbin Institute of Technology
-
White Papers
Quality-And Energy-Aware Data Compression by Aggregation in WSN Data Streams
Mar 2009
Sensor networks consist of autonomous devices that cooperatively monitor an environment. Sensors are equipped with capabilities to store information in memory, process information and communicate...
Provided by Politecnico di Milano
-
White Papers
Data Compression in Sensor Networks
Oct 2008
Data compression issues arise in a sensor network when designing protocols for efficiently collecting all data observed by the sensor nodes at an Internet-connected base station. More formally,...
Provided by University of Maryland
-
White Papers
Adaptive Data Compression for High-Performance Low-Power On-Chip Networks
Sep 2008
With the recent design shift towards increasing the number of processing elements in a chip, high-bandwidth support in on-chip interconnect is essential for low-latency communication. Much of the...
Provided by Texas A&M University
-
White Papers
Automated Process for Generating Digitised Maps Through GPS Data Compression
Nov 2007
This paper describes a robust method for extracting a compressed, digitised road map using GPS data. This is a useful tool for many applications, both autonomous and non-autonomous, such as...
Provided by University of Sydney
-
White Papers
Alternate Means of "Data Compression" Part IV: Compressing Data
Aug 2009
The technique used to gather the data one will eventually call "Compressed" is basically a series of Structured Query Language (SQL) statements that poll the initial "Data buffer" one described in...
Provided by RedTile
-
White Papers
Energy Efficient Data Compression in Wireless Sensor Networks
Jul 2009
In order for wireless sensor networks to exploit signal, signal data must be collected at a multitude of sensors and must be shared among the sensors. The vast sharing of data among the sensors...
Provided by PSG College of Technology
-
White Papers
Achieving Capability in Data Compression Using LZW++ Technique
Aug 2009
The development of efficient compression software to compress text and image is a challenging task. This paper presents the enhanced LZW technique in data compression. The basic framework of...
Provided by Universiti Darul Iman Malaysia
-
White Papers
Compression of Cyclic Time Series Data
Sep 2008
This paper describes a method to reduce the space of stored indicator time series data collected from a telecommunications network. The method takes advantage of the cyclic nature of the collected...
Provided by Tampere University of Technology
-
White Papers
Malware Detection Using Adaptive Data Compression
Oct 2008
A popular approach in current commercial anti-malware software detects malicious programs by searching in the code of programs for scan strings that are byte sequences indicative of malicious...
Provided by Association for Computing Machinery
-
White Papers
On Capture Power-Aware Test Data Compression for Scan-Based Testing
Oct 2008
Large test data volume and high test power are two of the major concerns for the industry when testing large integrated circuits. With given test cubes in scan-based testing, the "Don't-care" bits...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Potential Benefits of Delta Encoding and Data Compression for HTTP
Jan 2010
Caching in the World Wide Web currently follows a naive model, which assumes that resources are referenced many times between changes. The model also provides no way to update a cache entry if a...
Provided by AT&T Intellectual Property
-
White Papers
BCH-Based Compactors With Data Compression for Test Responses
Feb 2009
In the scan-based Design For Testability (DFT) of Very Large Scale Integration (VLSI) circuits, the test responses of the circuits are observed after applying test patterns from the tester. All...
Provided by Intel
-
White Papers
Adaptive Weighing of Context Models for Lossless Data Compression
Jan 2010
Until recently the state of the art in lossless data compression was prediction by partial match (PPM). A PPM model estimates the next-symbol probability distribution by combining statistics from...
Provided by Florida Institute of Technology
-
White Papers
Modular Data Compression to Optimally Locate Regular Segments in Sequences: Application to DNA Sequence Analysis
Jan 2010
A new location method for regular segments in sequences is presented. It uses the Minimum Description Length (MDL) criterion. If a lossless compressor achieves size reduction by exploiting a...
Provided by Montpellier Laboratory of Computer Science, Robotics, and Microelectronics
-
White Papers
Principal Component Analysis for Data Compression and Face Recognition
Sep 2008
Data compression is the most important step in many signal processing and pattern recognition applications. The authors come across very high dimensional data in such applications. Before...
Provided by Institute of Science & Technology, Klawad
-
Whitepapers
A Comparative Analysis and Application of the Compression Properties of Two 7-Bit Subsets of Unicode
Apr 2012
Data compression is important in the computing process because it helps to reduce the space occupied by a file, which normally leads to the reduction in the time taken to access the file. Files...
Provided by Journal of Computing
-
Case Studies
Quanta Computer Gains 80 Percent Data Compression for SAP With SQL Server 2008
Mar 2009
Quanta Computer is one of the world's largest manufacturers of laptop computers and other computing devices. It has a global workforce of 30,000 and annual revenue of U.S. $ 25 billion. Their...
Provided by Microsoft
-
Whitepapers
Unlocking Encryption - A New Key to Data Security
Apr 2008
Encryption is an increasingly important set of technologies, used to safeguard private data in computers, across public or private networks, or in other machine-readable forms. There are specific...
Provided by Unitrends
-
White Papers
Storage Savings With Domino and NetApp Deduplication
Apr 2010
NetApp deduplication technology provides block-level intelligent data compression by eliminating redundant data. Only one unique instance of the data is retained on storage. Redundant data is...
Provided by NetApp
-
White Papers
Test Data Compression Using Efficient Bitmask and Dictionary Selection Methods
Sep 2010
Web 2.0 has been growing at a rapid pace empowering end-users with a vast set of applications dedicated to improve their experience while using the Web. This improvement comes in the shape of...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Dynamic Data Compression for Wireless Transmission Over a Fading Channel
Mar 2008
This paper considers a wireless node that randomly receives data from different sensor units. The arriving data must be compressed, stored, and transmitted over a wireless link, where both the...
Provided by University of Southern California
-
White Papers
Ziv-Lempel Data Compression
Oct 2009
Large text or graphics files are often compressed in order to save storage space or to speed up transmission when the file is shipped. Most operating systems have compression utilities, and some...
Provided by UC Regents
-
White Papers
Implementation of Data Compression and FFT on TinyOS
Jan 2011
This paper describe implementation issues, challenges and design trade-offs in developing the compression and FFT components in TinyOS. This paper chooses to implement Lempel-Ziv algorithm and...
Provided by University of Southern California (Marshall)
-
White Papers
Data Compression Modelling: Huffman and Arithmetic
Jul 2009
The paper deals with formal description of data transformation (Compression and decompression process). The authors start by briefly reviewing basic concepts of data compression and introducing...
Provided by BABA HIRA SINGH BHATTAL INSTITUTE OF ENGINEERING AND TECHNOLOGY
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White Papers
Compression and Aggregation for Logistic Regression Analysis in Data Cubes
Aug 2008
Logistic regression is an important technique for analyzing and predicting data with categorical attributes. This paper considers supporting OnLine Analytical Processing (OLAP) of logistic...
Provided by Washington University in St. Louis
-
White Papers
Speech Data Compression Using Vector Quantization
Sep 2010
Transforms are used for speech data compressions which are lossy algorithms. Such algorithms are tolerable for speech data compression since the loss in quality is not perceived by the human ear....
Provided by World Academy of Science, Engineering and Technology
-
White Papers
Fast Codevector Search Algorithm for 3-D Vector Quantized Codebook
Sep 2010
This paper presents a very simple and efficient algorithm for codebook search, which reduces a great deal of computation as compared to the full codebook search. The algorithm is based on sorting...
Provided by World Academy of Science, Engineering and Technology
-
Podcasts
Big Ideas; Big Tech- Continuous Availability for VMware
Apr 2013
This animated video discusses how the transition to a virtualized infrastructure introduces new gaps that traditional solutions are unable to resolve. Watch this video to learn how VPLEX enables...
Provided by EMC
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Whitepapers
DART: Enhancing Data Acceleration With Compression for Satellite Links
Oct 2009
The authors present Data Acceleration and Reduction Technology (DART), a new rate based congestion control and scheduling mechanism with integrated data compression. DART has been implemented in...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Improving I/O Forwarding Throughput with Data Compression
Jul 2011
While network bandwidth is steadily increasing, it is doing so at a much slower rate than the corresponding increase in CPU performance. This trend has widened the gap between CPU and network...
Provided by University of Chester
-
Whitepapers
Compression and Analysis of Image Using High Resolution Grid and Rice Encoding
Jan 2012
In this paper, the authors have discussed compression and analysis of image using high resolution grid and SPIHT encoding technique. Firstly the original image is converted in to low resolution...
Provided by International Journal of Computer Applications
-
Whitepapers
Improvement in Compression Efficiency of Huffman Coding
May 2012
Compression helps in reducing the redundancy in the data representation so as to reduce the storage requirement of it. The task of compression consists of two components, an encoding algorithm...
Provided by International Journal of Computer Applications
-
Whitepapers
Platform Independent JPEG Encoder
May 2012
Image compression using hardware approach is emerging area for researchers. Paper focuses on a new technique using digital camera using the Evaluator-9t development board (ARM9TDMI) and the...
Provided by International Journal of Computer Applications
-
Whitepapers
Stochastic Binary Neural Networks for Qualitatively Robust Predictive Model Mapping
Sep 2012
The authors consider the case where the statistical behavior of environmental models must be learned in real time. In particular, they focus on learning such behavior predictively, as may be...
Provided by Scientific Research
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Whitepapers
Test Data Compression for Equal Run Length Coding
Mar 2012
In this paper, test data compression based on Equal Run-Length Coding (ERLC) is presented. It is based on both types of runs of 0's and 1's and explores the relationship between two consecutive...
Provided by International Journal of Communications and Engineering
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Whitepapers
Discovering Data Storage by Task Scheduling and Network Construction for Data Compression in Global Position System
Jul 2012
Data storage and transmission, task scheduling, and network construction used for that. The authors have proposed a clustering algorithm to find the group relationships for query and data...
Provided by IRD India
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Whitepapers
High Throughput Lossless Data Compression Algorithm
Jul 2012
Compression algorithms reduce the redundancy in data representation to decrease the storage required for that data. Data compression offers an attractive approach to reducing communication costs...
Provided by IRD India
-
Whitepapers
Implementing a Novel Data Structure for Maintaining Cumulative Frequency of Symbols
Mar 2012
A new data structure, namely "Cumulative Frequency Matrix (CFM)", is proposed here for maintaining cumulative frequencies. For an order-0 model having 256 symbols, CFM is a 2-D array of 16 rows...
Provided by International Journal of Computer Applications
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Whitepapers
Modified RLE with Timestamp Storage for Slow Gradient Variable Data
Jan 2013
The ultra-low power embedded devices are generally battery-operated and have limited data memory. The efficient use of memory is very important as the data memory of the device is limited....
Provided by International Journal of Computer Applications
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Whitepapers
Power Efficient and Secure IPV6 Robust Header Compression Technique for Low Power Wireless Personal Area Networks
Jan 2013
A power efficient & secure ROHC scheme has been presented in this paper. This scheme is designed to work efficiently for IPV6 based low power wireless personal area networks. The proposed scheme...
Provided by International Journal of Computer Applications
-
Whitepapers
Induced Redundancy Based Lossy Data Compression Algorithm
Jan 2013
A Wireless Sensor Network (WSN) is an increasingly important mechanism for enabling continuous monitoring and sensing of physical variables like temperature, humidity etc. The tiny sensor nodes...
Provided by International Journal of Computer Applications
-
Whitepapers
Design an Algorithm for Data Compression Using Pentaoctagesimal SNS
Jan 2013
Compression is the science and art of representing the information in a compact form rather than its original or uncompressed form in data storage or transmission. Data compression is storing data...
Provided by International Journal of Computer Applications
-
Whitepapers
New Clustering Algorithm for Vector Quantization Using Walsh Sequence
Feb 2012
In this paper, the authors present an effective clustering algorithm to generate codebook for Vector Quantization (VQ). Constant error is added every time to split the clusters in LBG, resulting...
Provided by International Journal of Computer Applications
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Whitepapers
A Novel Technique of Steganalysis in Uncompressed Image Through Zipf's Law
Feb 2012
In this paper, the authors present a Novel method to detect the existence of hidden message in LSB steganography. The key element of the proposed method is the power Law: Zipf's law. The detection...
Provided by International Journal of Computer Applications
-
Whitepapers
Performance Analysis of a Novel Double Error Correcting Code for Image Transmission Over UWB Channel
Nov 2010
In the previous correspondence the authors introduced a binary double error correcting long code (8 2 5), for 100% data correction. This paper evaluates the BER performance of UWB system using (8...
Provided by International Journal of Computer Applications
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Whitepapers
High Performance Lossless Multimedia Data Compression Through Improved Dictionary
Nov 2010
The advent of modern electronic world has opened up various fronts in multimedia interaction. They are used in various fields for various purposes of education, entertainment, research and many...
Provided by International Journal of Computer Applications
-
Whitepapers
Improved Digital Image Compression Using Modified Single Layer Linear Neural Networks
Nov 2010
Image Compression is solved by using Wavelet-Modified Single Layer Linear Forward Only Counter Propagation Network (MSLLFOCPN) technique. Form the wavelets it inherits the properties of localizing...
Provided by International Journal of Computer Applications
-
Whitepapers
Efficient Approach for Compression in Data Warehouse
Sep 2012
Data compression has become most requisite and necessary part of data warehousing as it helps in saving disk space and improves query performance as well. Different compression techniques exist at...
Provided by International Journal of Computer Applications
-
Whitepapers
Development of Secure LZW Technique for Secret Compressed Data Transmission
Nov 2010
Compression algorithms reduce the redundancy in data representation to decrease the storage required for that data. Data compression offers an attractive approach to reducing communication costs...
Provided by TELFOR
-
Whitepapers
Comparative Analysis of Lossless Text Compression Techniques
Oct 2012
Data compression is an effective means for saving storage space and channel bandwidth. There are two main types of compression lossy and lossless. This paper will deal with lossless compression...
Provided by International Journal of Computer Applications
-
Whitepapers
A Proposed Block-Coding Technique of an Image Based on Fractal Compression
Nov 2012
Now-a-day the fractal image compression technique models a natural image using a contractive mapping called fractal mapping in the image space. Due to reducing the search complexity of matching...
Provided by International Journal of Computer Applications
-
Whitepapers
Performance Analysis of Neural Network Architecture Combined with DWT for Image Compression
Nov 2012
Neural networks are significantly used in signal and image processing techniques for pattern recognition and template matching. In this paper neural networks are used for image compression. In...
Provided by International Journal of Computer Applications
-
Whitepapers
A Novel Approach Towards Video Compression for Mobile Internet Using Transform Domain Technique
Nov 2012
As the era, in the internet applications, is of mobile internet, the use of the internet on the cell-phone networks and other mobile networks is increased so much. Also the data rates available on...
Provided by International Journal of Computer Applications
-
Whitepapers
JPEG, JPEG2000 and PBCS Based Image Compression: An Experimental Analysis
Nov 2012
The paper attempts a comparison between Joint Picture Expert Group (JPEG), JPEG2000 and the novel method of Position Based Coding Scheme (PBCS) introduced by the authors, based on the output from...
Provided by International Journal of Computer Applications
-
Whitepapers
Hardware Design of 2-D High Speed DWT by Using Multiplierless 5/3 Wavelet Filters
Dec 2012
This paper represents the hardware implementation of high speed DWT using details of 5/3 wavelet filters for image compression applications. Wavelets also find application in speech compression,...
Provided by International Journal of Computer Applications
-
Whitepapers
Compressed Sensing of EEG for Wireless Telemonitoring With Low Energy Consumption and Inexpensive Hardware
Sep 2012
Telemonitoring of ElectroEncephaloGram (EEG) through wireless body-area networks is an evolving direction in personalized medicine. Among various constraints in designing such a system, three...
Provided by Institute of Electrical and Electronics Engineers
-
Whitepapers
An Efficient DCT Compression Technique Using Strassen's Matrix Multiplication Algorithm
Dec 2012
'Image compression' minimizes the problem that the authors face in storing and transmitting large amount of data. It reduces the size of data required to represent a digital image. In this...
Provided by International Journal of Computer Applications
-
Whitepapers
Analysis of Popular Video Shot Boundary Detection Techniques in Uncompressed Domain
Dec 2012
Now days there are tremendous amount of videos available on internet. Entertainment video, news video, sports video are accessed by users to fulfill their different needs. User's daily routine...
Provided by International Journal of Computer Applications
-
Whitepapers
Enhancing the Data Capacity of QR Codes by Compressing the Data Before Generation
Dec 2012
Quick Response (QR) Codes helps one in encoding the data in an efficient manner. The data capacity is limited according to the various data formats used. For increasing the data capacity, data to...
Provided by International Journal of Computer Applications
-
Whitepapers
Analyses of Higher Order Metrics for SPIHT Based Image Compression
Aug 2010
The increasing use of digitized images has led to the need to compress such imagery to allow economical storage and fast data transfer. Despite all the advantages of JPEG compression schemes based...
Provided by International Journal of Computer Applications
-
Whitepapers
Image Compression with Adaptive Arithmetic Coding
Aug 2010
An image compression method using the wavelet transform, zero tree coding and adaptive arithmetic coding has been proposed. Here a novel static zeroth order adaptive arithmetic coder is being...
Provided by International Journal of Computer Applications
-
Whitepapers
An Image Compression Algorithm for Discontinuous Series of Similar Pixels
Aug 2010
This paper represents lossy compression technique which can be effectively used for correlated pixels in both continuous and discontinuous series. Generally, compression is achieved by reducing...
Provided by International Journal of Computer Applications
-
Whitepapers
MIMO Based Efficient JPEG Image Transmission and Reception by Multistage Receivers
Aug 2011
This paper deals with the efficient transmission of JPEG compressed images over Multiple Input Multiple Output (MIMO) systems using spatial multiplexing. By exploiting the spatial multiplexing...
Provided by International Journal of Computer Applications
-
Whitepapers
Performance Evaluation of H.264/AVC Intra Compound Image Compression System
Nov 2010
This paper presents a comparison of H.264/AVC (Advanced Video Coding) based algorithms for compound images that contain text and natural images. Considered the problem of compressing compound...
Provided by International Journal of Computer Applications
-
Whitepapers
Implementation of H.264 Decoder
Jan 2012
The H.264/AVC is the most recent standard of video compression/decompression for future broadband network. This standard was developed through the Joint Video Team (JVT) from the ITU-T Video...
Provided by International Journal of Computer Applications
-
Whitepapers
Lossless Data Compression at Finite Blocklengths
Dec 2012
This paper provides an extensive study of the behavior of the best achievable rate (and other related fundamental limits) in variable-length lossless compression. In the non-asymptotic regime, the...
Provided by Athens University of Economics and Business
-
Whitepapers
Compression Scheme for Increasing the Lifetime of Wireless Intelligent Sensor Networks
Aug 2012
Wireless Intelligent Sensor Networks (WISN) are characterized by the ability of self-organization and auto-coordination for long periods of time. In most cases, the limitation of time function is...
Provided by EURASIP
-
Case Studies
Tognum AG: Manufacturer Uses Data Compression to Cut Storage Costs and Save 175,000 Annually
Jun 2012
Tognum AG makes and sells diesel and gas engines and gas turbines with output of up to 45,000 kilowatts. With 23 subsidiaries, hundreds of dealers, and its own manufacturing operations, Tognum AG...
Provided by Microsoft
-
White Papers
Microsoft SQL Server 2008 Data and Backup Compression
Aug 2008
Microsoft SQL Server 2008 introduces two new compression features (available in Enterprise and Developer editions) that are of interest to users with large databases. Data compression applies to...
Provided by Unisys
-
Whitepapers
Comparison of Singular Value Decomposition, Principle Component Analysis, Independent Component Analysis for an Image
Jun 2012
It is well known that the images, often used in variety of computer applications, are difficult to store and transmit. One possible solution to overcome this problem is to use a data compression...
Provided by Kurukshetra University
-
White Papers
Data Compression Benchmark and ROI Analysis
Oct 2009
Data compression offers a technology solution for increasing the efficiencies and decreasing the costs of storing and transferring critical business information. With average compression rates of...
Provided by Pkware
-
White Papers
Error-Resilient LZW Data Compression
Jan 2010
As many practitioners know, compressed streams are very sensitive the transmission errors. Even a single error can have devastating effects and compromise all the data downstream. In fact, the...
Provided by University of California
-
White Papers
Performance and Power Optimization Through Data Compression in Network-on-Chip Architectures
Jan 2008
The trend towards integrating multiple cores on the same die has accentuated the need for larger on-chip caches. Such large caches are constructed as a multitude of smaller cache banks...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Power Efficiency With Correlated Data Compression in Sensor Networks
Feb 2010
One of the main constraints for wireless sensor networks is its power budget, which creates a tradeoff on the amount of data the sensor network can transmit and the amount of time that it is...
Provided by University of California
-
White Papers
Skeleton-Based Data Compression for Multi-Camera Tele-Immersion System
Mar 2008
Image-based full body 3D reconstruction for tele-immersive applications generates large amount of data points, which have to be sent through the network in real-time. This paper introduces a...
Provided by University of California
-
White Papers
Compression and Storage Schemes in a Sensor Network With Spatial and Temporal Coding Techniques
Jan 2008
Wireless sensor networks provide a convenient manner to monitor the physical environments. How to extend the network lifetime by reducing the amount of message transmissions is a critical issue....
Provided by National Chiao-Tung University
-
White Papers
The Block Lossless Data Compression Algorithm
Oct 2009
The mainstream lossless data compression algorithms have been extensively studied in recent years. However, rather less attention has been paid to the block algorithm of those algorithms. The aim...
Provided by Harbin Institute of Technology
-
White Papers
Quality-And Energy-Aware Data Compression by Aggregation in WSN Data Streams
Mar 2009
Sensor networks consist of autonomous devices that cooperatively monitor an environment. Sensors are equipped with capabilities to store information in memory, process information and communicate...
Provided by Politecnico di Milano
-
White Papers
Data Compression in Sensor Networks
Oct 2008
Data compression issues arise in a sensor network when designing protocols for efficiently collecting all data observed by the sensor nodes at an Internet-connected base station. More formally,...
Provided by University of Maryland
-
White Papers
Adaptive Data Compression for High-Performance Low-Power On-Chip Networks
Sep 2008
With the recent design shift towards increasing the number of processing elements in a chip, high-bandwidth support in on-chip interconnect is essential for low-latency communication. Much of the...
Provided by Texas A&M University
-
White Papers
Automated Process for Generating Digitised Maps Through GPS Data Compression
Nov 2007
This paper describes a robust method for extracting a compressed, digitised road map using GPS data. This is a useful tool for many applications, both autonomous and non-autonomous, such as...
Provided by University of Sydney
-
White Papers
Alternate Means of "Data Compression" Part IV: Compressing Data
Aug 2009
The technique used to gather the data one will eventually call "Compressed" is basically a series of Structured Query Language (SQL) statements that poll the initial "Data buffer" one described in...
Provided by RedTile
-
White Papers
Energy Efficient Data Compression in Wireless Sensor Networks
Jul 2009
In order for wireless sensor networks to exploit signal, signal data must be collected at a multitude of sensors and must be shared among the sensors. The vast sharing of data among the sensors...
Provided by PSG College of Technology
-
White Papers
Achieving Capability in Data Compression Using LZW++ Technique
Aug 2009
The development of efficient compression software to compress text and image is a challenging task. This paper presents the enhanced LZW technique in data compression. The basic framework of...
Provided by Universiti Darul Iman Malaysia
-
White Papers
Compression of Cyclic Time Series Data
Sep 2008
This paper describes a method to reduce the space of stored indicator time series data collected from a telecommunications network. The method takes advantage of the cyclic nature of the collected...
Provided by Tampere University of Technology
-
White Papers
Malware Detection Using Adaptive Data Compression
Oct 2008
A popular approach in current commercial anti-malware software detects malicious programs by searching in the code of programs for scan strings that are byte sequences indicative of malicious...
Provided by Association for Computing Machinery
-
White Papers
On Capture Power-Aware Test Data Compression for Scan-Based Testing
Oct 2008
Large test data volume and high test power are two of the major concerns for the industry when testing large integrated circuits. With given test cubes in scan-based testing, the "Don't-care" bits...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Potential Benefits of Delta Encoding and Data Compression for HTTP
Jan 2010
Caching in the World Wide Web currently follows a naive model, which assumes that resources are referenced many times between changes. The model also provides no way to update a cache entry if a...
Provided by AT&T Intellectual Property
-
White Papers
BCH-Based Compactors With Data Compression for Test Responses
Feb 2009
In the scan-based Design For Testability (DFT) of Very Large Scale Integration (VLSI) circuits, the test responses of the circuits are observed after applying test patterns from the tester. All...
Provided by Intel
-
White Papers
Adaptive Weighing of Context Models for Lossless Data Compression
Jan 2010
Until recently the state of the art in lossless data compression was prediction by partial match (PPM). A PPM model estimates the next-symbol probability distribution by combining statistics from...
Provided by Florida Institute of Technology
-
White Papers
Modular Data Compression to Optimally Locate Regular Segments in Sequences: Application to DNA Sequence Analysis
Jan 2010
A new location method for regular segments in sequences is presented. It uses the Minimum Description Length (MDL) criterion. If a lossless compressor achieves size reduction by exploiting a...
Provided by Montpellier Laboratory of Computer Science, Robotics, and Microelectronics
-
White Papers
Principal Component Analysis for Data Compression and Face Recognition
Sep 2008
Data compression is the most important step in many signal processing and pattern recognition applications. The authors come across very high dimensional data in such applications. Before...
Provided by Institute of Science & Technology, Klawad
-
Whitepapers
A Comparative Analysis and Application of the Compression Properties of Two 7-Bit Subsets of Unicode
Apr 2012
Data compression is important in the computing process because it helps to reduce the space occupied by a file, which normally leads to the reduction in the time taken to access the file. Files...
Provided by Journal of Computing
-
Case Studies
Quanta Computer Gains 80 Percent Data Compression for SAP With SQL Server 2008
Mar 2009
Quanta Computer is one of the world's largest manufacturers of laptop computers and other computing devices. It has a global workforce of 30,000 and annual revenue of U.S. $ 25 billion. Their...
Provided by Microsoft
-
Whitepapers
Unlocking Encryption - A New Key to Data Security
Apr 2008
Encryption is an increasingly important set of technologies, used to safeguard private data in computers, across public or private networks, or in other machine-readable forms. There are specific...
Provided by Unitrends
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White Papers
Storage Savings With Domino and NetApp Deduplication
Apr 2010
NetApp deduplication technology provides block-level intelligent data compression by eliminating redundant data. Only one unique instance of the data is retained on storage. Redundant data is...
Provided by NetApp
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White Papers
Test Data Compression Using Efficient Bitmask and Dictionary Selection Methods
Sep 2010
Web 2.0 has been growing at a rapid pace empowering end-users with a vast set of applications dedicated to improve their experience while using the Web. This improvement comes in the shape of...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Dynamic Data Compression for Wireless Transmission Over a Fading Channel
Mar 2008
This paper considers a wireless node that randomly receives data from different sensor units. The arriving data must be compressed, stored, and transmitted over a wireless link, where both the...
Provided by University of Southern California
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White Papers
Ziv-Lempel Data Compression
Oct 2009
Large text or graphics files are often compressed in order to save storage space or to speed up transmission when the file is shipped. Most operating systems have compression utilities, and some...
Provided by UC Regents
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White Papers
Implementation of Data Compression and FFT on TinyOS
Jan 2011
This paper describe implementation issues, challenges and design trade-offs in developing the compression and FFT components in TinyOS. This paper chooses to implement Lempel-Ziv algorithm and...
Provided by University of Southern California (Marshall)
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White Papers
Data Compression Modelling: Huffman and Arithmetic
Jul 2009
The paper deals with formal description of data transformation (Compression and decompression process). The authors start by briefly reviewing basic concepts of data compression and introducing...
Provided by BABA HIRA SINGH BHATTAL INSTITUTE OF ENGINEERING AND TECHNOLOGY
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White Papers
Compression and Aggregation for Logistic Regression Analysis in Data Cubes
Aug 2008
Logistic regression is an important technique for analyzing and predicting data with categorical attributes. This paper considers supporting OnLine Analytical Processing (OLAP) of logistic...
Provided by Washington University in St. Louis
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White Papers
Speech Data Compression Using Vector Quantization
Sep 2010
Transforms are used for speech data compressions which are lossy algorithms. Such algorithms are tolerable for speech data compression since the loss in quality is not perceived by the human ear....
Provided by World Academy of Science, Engineering and Technology
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White Papers
Fast Codevector Search Algorithm for 3-D Vector Quantized Codebook
Sep 2010
This paper presents a very simple and efficient algorithm for codebook search, which reduces a great deal of computation as compared to the full codebook search. The algorithm is based on sorting...
Provided by World Academy of Science, Engineering and Technology
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White Papers
Pinpoint: Problem Determination in Large, Dynamic Internet Services
Jan 2011
Traditional problem determination techniques rely on static dependency models that are difficult to generate accurately in today's large, distributed, and dynamic application environments such as...
Provided by Stanford University
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Whitepapers
VMware and Unitrends - THE Virtualization Protection Solution
Sep 2012
Unitrends is among an elite set of vendors that provide an all-in-one virtual appliance for VMware vSphere 5 that provides enterprise-class protection for the VMware virtual infrastructure....
Provided by Unitrends
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White Papers
A New Method for Real-Time LWD Data Compression
Aug 2009
Logging While Drilling (LWD) is an advanced drilling technology in oil/gas exploration and development, which was developed to increase drilling efficiency and decrease drilling cost. The...
Provided by Academy Publisher
