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data compression
(190 results)-
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
-
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
-
White Papers
Image Compression and Watermarking Scheme Using Scalar Quantization
Mar 2010
This paper presents a new compression technique and image watermarking algorithm based on Contourlet Transform (CT). For image compression, an energy based quantization is used. Scalar...
Provided by Academy & Industry Research Collaboration Center
-
White Papers
An Efficient Watermarking Method for MP3 Audio Files
Jun 2009
The authors present for the first time in the perception an efficient digital watermarking scheme for mpeg audio layer 3 files that operates directly in the compressed data domain, while...
Provided by Research Academic Computer Technology Institute
-
White Papers
An Automated Algorithm for Approximation of Temporal Video Data Using Linear Bezier Fitting
May 2010
This paper presents an efficient method for approximation of temporal video data using linear Bezier fitting. For a given sequence of frames, the proposed method estimates the intensity variations...
Provided by Royal University for Women
-
White Papers
Chip Multiprocessor Cooperative Cache Compression and Migration
Apr 2008
CMPs are now in common use. Increasing core counts implies increasing demands for instruction and data. However, processor-memory bus throughput has not kept pace. As a result, cache misses are...
Provided by Northwestern University
-
White Papers
The Case for Context-Aware Compression
Oct 2010
The proliferation of pictures and videos in the Internet is imposing heavy demands on mobile data networks. This demand is expected to grow rapidly and a one-fit-all solution is unforeseeable....
Provided by Duke University
-
White Papers
Diagnostic Quality Driven Physiological Data Collection for Personal Healthcare
Jun 2008
The authors believe that each individual is unique, and that it is necessary for diagnosis purpose to have a distinctive combination of signals and data features that fits the personal health...
Provided by University of California
-
White Papers
A Highly Efficient Parallel Algorithm for H.264 Encoder Based on Macro-Block Region Partition
Sep 2007
This paper proposes a highly efficient MBRP parallel algorithm for H.264 encoder, which is based on the analysis of data dependencies in H.264 encoder. In the algorithm, the video frames are...
Provided by Springer Science+Business Media
-
White Papers
Searchable Compression
Jan 2011
The authors are interested in structuring data compression to support efficient searching of information in the compressed data domain. Specifically, by "Searchable" they mean a layered coding...
Provided by Washington State University
-
White Papers
Rendering From Compressed Textures
Jan 2011
The authors present a simple method for rendering directly from compressed textures in hardware and software rendering systems. Textures are compressed using a Vector Quantization (VQ) method. The...
Provided by Stanford University
-
White Papers
High-Dimensional Data Compression Via PHLCT
Aug 2007
The Polyharmonic Local Cosine Transform (PHLCT), presented by Yamatani and Saito 1 in 2006, is a new tool for local image analysis and synthesis. It can compress and decompress images with better...
Provided by University of California
-
White Papers
Real-Time Unobtrusive Program Execution Trace Compression Using Branch Predictor Events
Oct 2010
Unobtrusive capturing of program execution traces in real-time is crucial in debugging cyber-physical systems. However, tracing even limited program segments is often cost-prohibitive, requiring...
Provided by Association for Computing Machinery
-
White Papers
pFPC: A Parallel Compressor for Floating-Point Data
Jan 2009
This paper describes and evaluates pFPC, a parallel implementation of the lossless FPC compression algorithm for 64-bit floating-point data. pFPC can trade off compression ratio for throughput....
Provided by University of Texas
-
White Papers
Floating-Point Data Compression at 75 Gb/s on a GPU
Mar 2011
Numeric simulations often generate large amounts of data that need to be stored or sent to other compute nodes. This paper investigates whether GPUs are powerful enough to make real-time data...
Provided by Association for Computing Machinery
-
White Papers
FPC: A High-Speed Compressor for Double-Precision Floating-Point Data
Jun 2008
Many scientific programs exchange large quantities of double-precision data between processing nodes and with mass storage devices. Data compression can reduce the number of bytes that need to be...
Provided by University of Texas
-
White Papers
Rate Region of the Gaussian Scalar-Help-Vector Source-Coding Problem
Jan 2010
The authors determine the rate region of the Gaussian scalar-help-vector source-coding problem under a covariance matrix distortion constraint. The rate region is achieved by a Gaussian achievable...
Provided by Cornell University
-
White Papers
On Finite Memory Universal Data Compression and Classification of Individual Sequences
Oct 2007
Consider the case where consecutive blocks of N letters of a semi-infinite individual sequence X over a finite-alphabet are being compressed into binary sequences by some one-to-one mapping. No...
Provided by Israel Institute of Technology
-
White Papers
Performance Analysis for Data Compression Based Signal Classification Methods
Jan 2010
In this paper, the authors consider the blind signal classification problems. In the considered scenarios, a sequence of random signal samples X1, X2,. .., XN is observed, where each signal sample...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Randomness Testing of Compressed Data
Jan 2010
Random Number Generators play a critical role in a number of important applications. In practice, statistical testing is employed to gather evidence that a generator indeed produces numbers that...
Provided by Harbin Institute of Technology
-
White Papers
A New Technique for Text Data Compression
Dec 2010
In this paper the authors use ternary representation of numbers for compressing text data. They use a binary map for ternary digits and introduce a way to use the binary 11-pair, which has never...
Provided by Southern Illinois University
-
White Papers
Efficient LDPC Codes Over GF(q) for Lossy Data Compression
Jan 2009
In this paper the authors consider the lossy compression of a binary symmetric source. They present a scheme that provides a low complexity lossy compressor with near optimal empirical...
Provided by Politecnico di Torino
-
White Papers
New Algorithms and Lower Bounds for Sequential-Access Data Compression
Feb 2009
This paper concerns sequential-access data compression, i.e., by algorithms that read the input one or more times from beginning to end. In this paper, the authors consider adaptive pre x coding,...
Provided by Cornell University
-
White Papers
A Unified Perspective on Parity-And Syndrome-Based Binary Data Compression Using Off-the-Shelf Turbo Codecs
Aug 2010
The authors consider the problem of compressing memoryless binary data with or without side information at the decoder. They review the parity- and the syndrome-based approaches and discuss their...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Multi-Label Prediction Via Compressed Sensing
Jun 2009
The authors consider multi-label prediction problems with large output spaces under the assumption of output sparsity - that the target (label) vectors have small support. They develop a general...
Provided by Rutgers University
-
White Papers
Perfect Secrecy Using Compressed Sensing
Nov 2010
In the recent years, many researchers have used the theory of Compressed Sensing or Compressive Sampling (CS) for their field of study. Candes and his colleagues in and Donoho in proposed this...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Compressed Transmission of Route Descriptions
Nov 2010
The authors present two methods to compress the description of a route in a road network, i.e., of a path in a directed graph. The first method represents a path by a sequence of via edges. The...
Provided by Cornell University
-
White Papers
A Coder-Decoder Model for Use in Lossless Data Compression
Nov 2010
This paper describes a technique of using a trigonometric function and combinatorial calculations to code or transform any finite sequence of binary numbers (0s and 1s) of any length to a unique...
Provided by Cornell University
-
White Papers
On Compression of Data Encrypted With Block Ciphers
Sep 2010
This paper investigates compression of data encrypted with block ciphers, such as the Advanced Encryption Standard (AES). It is shown that such data can be feasibly compressed without knowledge of...
Provided by Georgia Institute of Technology
-
White Papers
Multilayer Model for Arabic Text Compression
Apr 2011
This paper describes a multilayer model-based approach for text compression. It uses linguistic information to develop a multilayer decomposition model of the text in order to achieve better...
Provided by Princess Sumaya University for Technology
-
White Papers
Secrecy Capacity of the Gaussian Wire-Tap Channel With Finite Complex Constellation Input
Oct 2010
The secrecy capacity of a discrete memoryless Gaussian Wire-Tap Channel when the input is from a finite complex constellation is studied. It is shown that the secrecy capacity curves of a finite...
Provided by Indian Institute of Science
-
White Papers
Lossless Text Compression Technique Using Syllable Based Morphology
Jan 2011
In this paper, the authors present a new lossless text compression technique which utilizes syllable-based morphology of multi-syllabic languages. The proposed algorithm is designed to partition...
Provided by ATILIM UNIVERSITY
-
White Papers
Novel Blind Signal Classification Method Based on Data Compression
Mar 2009
This paper proposes a novel algorithm for signal classification problems. The authors consider a non-stationary random signal, where samples can be classified into several different classes, and...
Provided by Institute of Electrical and Electronics Engineers
-
Whitepapers
Convert IBM Cloud image parameters into Java using JAXB
Apr 2011
Get under the hood: This technical note describes how to transform XML response into a Java™ - usable response by creating Plain Old Java Objects (POJOs) and calling JAXB's unmarshal method....
Provided by IBM
-
White Papers
Database Compression on Graphics Processors
Oct 2009
Query co-processing on Graphics Processors (GPUs) has become an effective means to improve the performance of main memory databases. However, this co-processing requires the data transfer between...
Provided by VLDB Endowment
-
White Papers
3D Video Generation and Service Based on a TOF Depth Sensor in MPEG-4 Multimedia Framework
Aug 2010
In this paper, the authors present a new method to generate and serve 3D video represented by video-plus-depth using a Time-Of-Flight (TOF) depth sensor. In practice, depth images captured by the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Multi Switched Split Vector Quantizer
May 2008
Vector quantization is a powerful tool for speech coding applications. This paper deals with LPC Coding of speech signals which uses a new technique called Multi Switched Split Vector...
Provided by K L University
-
White Papers
Image Compression With Back-Propagation Neural Network Using Cumulative Distribution Function
Jun 2009
Image Compression using Artificial Neural Networks is a topic where research is being carried out in various directions towards achieving a generalized and economical network. Feedforward Networks...
Provided by Government College of Engineering
-
White Papers
SPIRE: Efficient Data Interpretation and Compression Over RFID Streams
Sep 2009
Despite its promise, RFID technology presents numerous challenges, including incomplete data, lack of location and containment information, and very high volumes. In this paper, the authors...
Provided by University of Massachusetts Amherst
-
White Papers
New Features for Specific JPEG Steganalysis
Jun 2009
The authors present in this paper a new approach for specific JPEG steganalysis and propose studying statistics of the compressed DCT coefficients. Traditionally, steganographic algorithms try to...
Provided by World Academy of Science, Engineering and Technology
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Whitepapers
Error Resistant Lossless Data Compression With Equal Length Coding Using Fine Tuned Multiple Label Mapping
May 2012
Data inherently including memory can be compressed using either equal or variable length coding. This paper proposes a novel method to compress the data with memory by using equal length code...
Provided by University of Ottawa
-
Whitepapers
Evolutionary Standards in Image Compression Along With Comparative Analysis of Their Performance
Aug 2012
Image compression has developed as full fledged field from past many years because of rapidly growing entertainment market and unparalleled increase in the use of internet services for storage...
Provided by International Journal of Electronics and Computer Science Engineering
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Whitepapers
A New Scan Slice Encoding Scheme With Flexible Code for Test Data Compression
Nov 2010
As the Design For Testability (DFT) is essential in the semiconductor manufacturing, the scan-based architecture is widely used to decrease the test complexity of a chip. However, the scan-based...
Provided by YONOS
-
Whitepapers
Reduction of Blocking Artifacts in JPEG Compressed Image
Apr 2012
In JPEG (DCT based) compresses image data by representing the original image with a small number of transform coefficients. It exploits the fact that for typical images a large amount of signal...
Provided by Guru Nanak Dev Engineering College
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Whitepapers
Comparative Study of Motion Estimation & Motion Compensation for Video Compression
Jun 2012
The newest predictive video coding schemes increasingly include the content based techniques which open new possibilities for advanced compression technology. Respected paper gives the better...
Provided by International Journal of Emerging Trends & Technology in Computer Science (IJETTCS)
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Whitepapers
A New Algorithm for Data Compression Optimization
Aug 2012
People tend to store a lot of files inside theirs storage. When the storage nears it limit, they then try to reduce those files size to minimum by using data compression software. In this paper,...
Provided by The Schwa
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Whitepapers
An Explanation of Video Compression Techniques
Sep 2008
JPEG, Motion JPEG and MPEG are three well-used acronyms used to describe different types of image compression format. But what do they mean, and why are they so relevant to today's rapidly...
Provided by Axis Communications
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Whitepapers
A User Perceived Quality Assessment of Lossy Compressed Images
Nov 2011
With recent advances in technology and the spread of computer and Internet use, there has been a significant increase in the use of digital images. The large number of bits needed to represent...
Provided by Science and Development Network (SciDev.Net)
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Whitepapers
Analysis of Lossless Reversible Transformation Algorithms to Enhance Data Compression
Aug 2012
In this paper, the authors analyze and present the benefits offered in the lossless compression by applying a choice of preprocessing methods that exploits the advantage of redundancy of the...
Provided by Journal of Global Research in Computer Science (JGRCS)
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Whitepapers
Side Information Update Method of Error Correction Decoder for Distributed Video Coding
Apr 2012
A new side information update method of error correction decoder for distributed video coding is proposed. This method improves the quality of side information. The side information values are...
Provided by Science and Development Network (SciDev.Net)
-
Whitepapers
Performance Improvement for Mobile Software in the Distributed Environment
Sep 2012
Now-a-days, in the strong development trend of the mobile software, the performance improvement problem of mobile software plays an important role. However, mobile devices are limited on CPU,...
Provided by International Journal of Information Technology & Computer Science ( IJITCS )
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Whitepapers
Image Coding Using Vector Quantization Based on Wavelet Transform Fuzzy C-Means and Principle Component Analysis
Sep 2009
Image coding requires a small bit rate for high-speed data transmission and a small space for data storage. Simultaneously, the Peak Signal to Noise Ratio (PSNR) has to be maintained. In this...
Provided by Institute of Electrical & Electronic Engineers
-
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
-
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
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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
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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
-
Whitepapers
The Role of Block Matching Algorithm in Stereo Image Compression
Jun 2010
3D stereo images are acquired by simulating human's eyesight effect upon observing objects through two horizontally separated perspectives. Correspondingly, two frames are resulted for one 3-D...
Provided by International Journal of Advanced Research in Computer Science and Software Engineering (IJARCSSE)
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Whitepapers
Discovering Application Level Semantics for Data Compression Using Hybrid Compression Technique
Jul 2012
Based on Natural phenomena many creatures form large social groups and move in regular patterns. Traditional works focus on finding the movement patterns of each single object or all objects. This...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
-
Whitepapers
Improving IPTV QoE Taking the Suitable MPEG-2/MPEG-4 Quantizer Based on Jitter, Delay and Lost Packets Measurements
Apr 2011
MPEG-2 and MPEG-4 encoding are standards that are widely used by the digital television industry. Although, nowadays, MPEG-2 is the most used, MPEG-4 is gaining ground because it provides good...
Provided by IARIA
-
Whitepapers
Back Propagation Neural Network Approach for SAR Raw Data Compression
Oct 2008
Synthetic Aperture Radar (SAR) is a coherent active and high-resolution microwave imaging system with diverse applications in remote sensing. A significant characteristic of this system is the...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Analysis of Wavelet Transform and Fast Wavelet Transform for Image Compression: Review
Jul 2012
A Detailed study of discrete wavelet transform and fast wavelet transform has been presented in this paper. Older techniques for image compression such as FFT and DCT have also been discussed....
Provided by International Journal of Advanced Research in Computer Engineering & Technology
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Whitepapers
A Modified Approach to the New Lossless Data Compression Method
Nov 2011
This paper proposed the modified approach to the new lossless data compression method. It is developed based on hiding data reversibly with a location map. It performs same as the earlier...
Provided by Interscience Open Access Journals
-
Whitepapers
Design and Implementation of a Lossless Serial High-Speed Data Compression System
May 2011
The paper presents a novel VLSI architecture for high-speed data compressor designs which implement the X-Match algorithm. This design involves important trade off that affects the compression...
Provided by Interscience Open Access Journals
-
White Papers
Wave Atoms Decomposition Based Eye Iris Image Compression
May 2011
In spite of rapid progress in mass storage density, processor speeds, demand for image compression, data storage capacity and data transmission bandwidth continues to excel the capabilities of the...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Analysis of Optimization Techniques for Feed Forward Neural Networks Based Image Compression
Mar 2012
This paper reviews various optimization techniques available for training Multi-Layer Perception (MLP) artificial neural networks for compression of images. These optimization techniques can be...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
A Fast Curvelet Transform Image Compression Algorithm Using With Modified SPIHT
Feb 2012
An image compression coding technique involves transforming the image into another domain with Curvelet function and then quantizing the coefficients with modified Set Partitioning In Hierarchical...
Provided by International Journal of Computer Science and Telecommunications
-
White Papers
Coding of DWT Coefficients Using Run-Length Coding and Huffman Coding for the Purpose of Color Image Compression
Mar 2012
In present paper, the authors proposed a simple and effective method to compress an image. Here, they found success in size reduction of an image without much compromising with it's quality. Here,...
Provided by World Academy of Science, Engineering and Technology
-
White Papers
Analysis of EZW Compression Scheme Applied for ECG Signal Compression
Dec 2011
Although digital storage media is not expensive and computational power has exponentially increased in the recent years, the possibility of ElectroCardioGram (ECG) compression still attracts the...
Provided by International Journal of Computer Applications
-
White Papers
Utilizing Hybrid Method for Video Image Compression
Nov 2011
Video compression techniques play a vital role in storage & transmission through a limited bandwidth. As a resulted containing video files repeated sequence of still image, each second represented...
Provided by University of Babylon
-
White Papers
Fast Implementation of Block Motion Estimation Algorithms in Video Encoders
May 2011
Block Matching Algorithms (BMA) are central to optimal frame prediction for motion estimation in video compression. This paper focuses on the efficiency of Hierarchical Search (HS) algorithms. The...
Provided by University of Cape Town
-
White Papers
Implementation of LBG Algorithm for Image Compression
Nov 2011
This paper presents an implementation of LBG algorithm for image compression which makes it possible for creating file sizes of manageable, storable and transmittable dimensions. Image Compression...
Provided by Sant Gadge Baba Amravati University
-
White Papers
Hardware Implementation of DWT for Image Compression Using SPIHT Algorithm
Nov 2011
In this paper, a DWT-based image processing system is developed on Xilinx Spartan3 Field Programmable Gate Array (FPGA) device using Embedded Development Kit (EDK) tools from Xilinx. Two different...
Provided by IJCTT-International Journal of Computer Trends and Technology
-
White Papers
Compression and Decompression of Virtual Disk Using Deduplication
Nov 2011
The basic goal of virtualization is to centralize administrative tasks while improving scalability and workload. One of the biggest challenges to the data storage community is how to effectively...
Provided by University of Pune
-
White Papers
Data Compression Scheme of Dynamic Huffman Code for Different Languages
Jan 2012
Now a day's technology is growing in every aspect but the basic needs to save the memory and time utilization still remains. Whenever the authors deal with any kind of data (audio, video, text)...
Provided by International Association of Computer Science & Information Technology (IACSIT)
-
White Papers
Blocking Artifacts Reduction in Compressed Data
Jan 2012
Blocking artifacts are significant problem in DCT-based image compression, which introduce the apparent distortion of visual quality. In this paper, an effective blocking artifacts deduction...
Provided by International Association of Computer Science & Information Technology (IACSIT)
-
White Papers
A Fuzzy Neural Networks Based EZW Image Compression System
Jun 2010
The transport of images across communication paths is an expensive process. The limitation in allocated bandwidth leads to slower communication. To exchange the rate of transmission in the limited...
Provided by International Journal of Computer Applications
-
White Papers
Multimedia Web Services Performance: Analysis and Quantification of Binary Data Compression
Oct 2011
Multimedia Web services constitute a considerable load on Internet bandwidth and on Web servers. With the increasing demand of multimedia Web services, the need to maintain a respectable QoS is a...
Provided by Academy Publisher
-
White Papers
Information Loss Determination on Digital Image Compression and Reconstruction Using Qualitative and Quantitative Analysis
Dec 2011
To effectively utilize the storage capacity, digital image compression has been applied to numerous science and engineering problems. There are two fundamental image compression techniques, either...
Provided by Academy Publisher
-
White Papers
An Adaptive Algorithm for Improving the Fractal Image Compression (FIC)
Dec 2011
In this paper an adaptive algorithm is proposed to reduce the long time that has been taken in the Fractal Image Compression (FIC) technique. This algorithm worked on reducing the number of...
Provided by Academy Publisher
-
White Papers
PRESIDIO: A Framework for Efficient Archival Data Storage
Jul 2011
The ever-increasing volume of archival data that needs to be reliably retained for long periods of time and the decreasing costs of disk storage, memory, and processing have motivated the design...
Provided by Association for Computing Machinery
-
White Papers
Image Compression and Watermarking Scheme Using Scalar Quantization
Mar 2010
This paper presents a new compression technique and image watermarking algorithm based on Contourlet Transform (CT). For image compression, an energy based quantization is used. Scalar...
Provided by Academy & Industry Research Collaboration Center
-
White Papers
An Efficient Watermarking Method for MP3 Audio Files
Jun 2009
The authors present for the first time in the perception an efficient digital watermarking scheme for mpeg audio layer 3 files that operates directly in the compressed data domain, while...
Provided by Research Academic Computer Technology Institute
-
White Papers
An Automated Algorithm for Approximation of Temporal Video Data Using Linear Bezier Fitting
May 2010
This paper presents an efficient method for approximation of temporal video data using linear Bezier fitting. For a given sequence of frames, the proposed method estimates the intensity variations...
Provided by Royal University for Women
-
White Papers
Chip Multiprocessor Cooperative Cache Compression and Migration
Apr 2008
CMPs are now in common use. Increasing core counts implies increasing demands for instruction and data. However, processor-memory bus throughput has not kept pace. As a result, cache misses are...
Provided by Northwestern University
-
White Papers
The Case for Context-Aware Compression
Oct 2010
The proliferation of pictures and videos in the Internet is imposing heavy demands on mobile data networks. This demand is expected to grow rapidly and a one-fit-all solution is unforeseeable....
Provided by Duke University
-
White Papers
Diagnostic Quality Driven Physiological Data Collection for Personal Healthcare
Jun 2008
The authors believe that each individual is unique, and that it is necessary for diagnosis purpose to have a distinctive combination of signals and data features that fits the personal health...
Provided by University of California
-
White Papers
A Highly Efficient Parallel Algorithm for H.264 Encoder Based on Macro-Block Region Partition
Sep 2007
This paper proposes a highly efficient MBRP parallel algorithm for H.264 encoder, which is based on the analysis of data dependencies in H.264 encoder. In the algorithm, the video frames are...
Provided by Springer Science+Business Media
-
White Papers
Searchable Compression
Jan 2011
The authors are interested in structuring data compression to support efficient searching of information in the compressed data domain. Specifically, by "Searchable" they mean a layered coding...
Provided by Washington State University
-
White Papers
Rendering From Compressed Textures
Jan 2011
The authors present a simple method for rendering directly from compressed textures in hardware and software rendering systems. Textures are compressed using a Vector Quantization (VQ) method. The...
Provided by Stanford University
-
White Papers
High-Dimensional Data Compression Via PHLCT
Aug 2007
The Polyharmonic Local Cosine Transform (PHLCT), presented by Yamatani and Saito 1 in 2006, is a new tool for local image analysis and synthesis. It can compress and decompress images with better...
Provided by University of California
-
White Papers
Real-Time Unobtrusive Program Execution Trace Compression Using Branch Predictor Events
Oct 2010
Unobtrusive capturing of program execution traces in real-time is crucial in debugging cyber-physical systems. However, tracing even limited program segments is often cost-prohibitive, requiring...
Provided by Association for Computing Machinery
-
White Papers
pFPC: A Parallel Compressor for Floating-Point Data
Jan 2009
This paper describes and evaluates pFPC, a parallel implementation of the lossless FPC compression algorithm for 64-bit floating-point data. pFPC can trade off compression ratio for throughput....
Provided by University of Texas
-
White Papers
Floating-Point Data Compression at 75 Gb/s on a GPU
Mar 2011
Numeric simulations often generate large amounts of data that need to be stored or sent to other compute nodes. This paper investigates whether GPUs are powerful enough to make real-time data...
Provided by Association for Computing Machinery
-
White Papers
FPC: A High-Speed Compressor for Double-Precision Floating-Point Data
Jun 2008
Many scientific programs exchange large quantities of double-precision data between processing nodes and with mass storage devices. Data compression can reduce the number of bytes that need to be...
Provided by University of Texas
-
White Papers
Rate Region of the Gaussian Scalar-Help-Vector Source-Coding Problem
Jan 2010
The authors determine the rate region of the Gaussian scalar-help-vector source-coding problem under a covariance matrix distortion constraint. The rate region is achieved by a Gaussian achievable...
Provided by Cornell University
-
White Papers
On Finite Memory Universal Data Compression and Classification of Individual Sequences
Oct 2007
Consider the case where consecutive blocks of N letters of a semi-infinite individual sequence X over a finite-alphabet are being compressed into binary sequences by some one-to-one mapping. No...
Provided by Israel Institute of Technology
-
White Papers
Performance Analysis for Data Compression Based Signal Classification Methods
Jan 2010
In this paper, the authors consider the blind signal classification problems. In the considered scenarios, a sequence of random signal samples X1, X2,. .., XN is observed, where each signal sample...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Randomness Testing of Compressed Data
Jan 2010
Random Number Generators play a critical role in a number of important applications. In practice, statistical testing is employed to gather evidence that a generator indeed produces numbers that...
Provided by Harbin Institute of Technology
-
White Papers
A New Technique for Text Data Compression
Dec 2010
In this paper the authors use ternary representation of numbers for compressing text data. They use a binary map for ternary digits and introduce a way to use the binary 11-pair, which has never...
Provided by Southern Illinois University
-
White Papers
Efficient LDPC Codes Over GF(q) for Lossy Data Compression
Jan 2009
In this paper the authors consider the lossy compression of a binary symmetric source. They present a scheme that provides a low complexity lossy compressor with near optimal empirical...
Provided by Politecnico di Torino
-
White Papers
New Algorithms and Lower Bounds for Sequential-Access Data Compression
Feb 2009
This paper concerns sequential-access data compression, i.e., by algorithms that read the input one or more times from beginning to end. In this paper, the authors consider adaptive pre x coding,...
Provided by Cornell University
-
White Papers
A Unified Perspective on Parity-And Syndrome-Based Binary Data Compression Using Off-the-Shelf Turbo Codecs
Aug 2010
The authors consider the problem of compressing memoryless binary data with or without side information at the decoder. They review the parity- and the syndrome-based approaches and discuss their...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Multi-Label Prediction Via Compressed Sensing
Jun 2009
The authors consider multi-label prediction problems with large output spaces under the assumption of output sparsity - that the target (label) vectors have small support. They develop a general...
Provided by Rutgers University
-
White Papers
Perfect Secrecy Using Compressed Sensing
Nov 2010
In the recent years, many researchers have used the theory of Compressed Sensing or Compressive Sampling (CS) for their field of study. Candes and his colleagues in and Donoho in proposed this...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Compressed Transmission of Route Descriptions
Nov 2010
The authors present two methods to compress the description of a route in a road network, i.e., of a path in a directed graph. The first method represents a path by a sequence of via edges. The...
Provided by Cornell University
-
White Papers
A Coder-Decoder Model for Use in Lossless Data Compression
Nov 2010
This paper describes a technique of using a trigonometric function and combinatorial calculations to code or transform any finite sequence of binary numbers (0s and 1s) of any length to a unique...
Provided by Cornell University
-
White Papers
On Compression of Data Encrypted With Block Ciphers
Sep 2010
This paper investigates compression of data encrypted with block ciphers, such as the Advanced Encryption Standard (AES). It is shown that such data can be feasibly compressed without knowledge of...
Provided by Georgia Institute of Technology
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White Papers
Multilayer Model for Arabic Text Compression
Apr 2011
This paper describes a multilayer model-based approach for text compression. It uses linguistic information to develop a multilayer decomposition model of the text in order to achieve better...
Provided by Princess Sumaya University for Technology
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White Papers
Secrecy Capacity of the Gaussian Wire-Tap Channel With Finite Complex Constellation Input
Oct 2010
The secrecy capacity of a discrete memoryless Gaussian Wire-Tap Channel when the input is from a finite complex constellation is studied. It is shown that the secrecy capacity curves of a finite...
Provided by Indian Institute of Science
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White Papers
Lossless Text Compression Technique Using Syllable Based Morphology
Jan 2011
In this paper, the authors present a new lossless text compression technique which utilizes syllable-based morphology of multi-syllabic languages. The proposed algorithm is designed to partition...
Provided by ATILIM UNIVERSITY
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White Papers
Novel Blind Signal Classification Method Based on Data Compression
Mar 2009
This paper proposes a novel algorithm for signal classification problems. The authors consider a non-stationary random signal, where samples can be classified into several different classes, and...
Provided by Institute of Electrical and Electronics Engineers
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Whitepapers
Convert IBM Cloud image parameters into Java using JAXB
Apr 2011
Get under the hood: This technical note describes how to transform XML response into a Java™ - usable response by creating Plain Old Java Objects (POJOs) and calling JAXB's unmarshal method....
Provided by IBM
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White Papers
Database Compression on Graphics Processors
Oct 2009
Query co-processing on Graphics Processors (GPUs) has become an effective means to improve the performance of main memory databases. However, this co-processing requires the data transfer between...
Provided by VLDB Endowment
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White Papers
3D Video Generation and Service Based on a TOF Depth Sensor in MPEG-4 Multimedia Framework
Aug 2010
In this paper, the authors present a new method to generate and serve 3D video represented by video-plus-depth using a Time-Of-Flight (TOF) depth sensor. In practice, depth images captured by the...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Multi Switched Split Vector Quantizer
May 2008
Vector quantization is a powerful tool for speech coding applications. This paper deals with LPC Coding of speech signals which uses a new technique called Multi Switched Split Vector...
Provided by K L University
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White Papers
Image Compression With Back-Propagation Neural Network Using Cumulative Distribution Function
Jun 2009
Image Compression using Artificial Neural Networks is a topic where research is being carried out in various directions towards achieving a generalized and economical network. Feedforward Networks...
Provided by Government College of Engineering
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White Papers
SPIRE: Efficient Data Interpretation and Compression Over RFID Streams
Sep 2009
Despite its promise, RFID technology presents numerous challenges, including incomplete data, lack of location and containment information, and very high volumes. In this paper, the authors...
Provided by University of Massachusetts Amherst
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White Papers
New Features for Specific JPEG Steganalysis
Jun 2009
The authors present in this paper a new approach for specific JPEG steganalysis and propose studying statistics of the compressed DCT coefficients. Traditionally, steganographic algorithms try to...
Provided by World Academy of Science, Engineering and Technology
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White Papers
Reversible, Embedded and Highly Scalable Image Compression System
Dec 2010
In this paper a new method for low complexity image coding is presented, that permits different settings and great scalability in the generation of the final bit stream. This coding presents a...
Provided by University of the Basque Country
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White Papers
Approximating Sensor Network Queries Using In-Network Summaries
Mar 2009
In this paper the authors present new in-network techniques for communication efficient approximate query processing in wireless sensornets. They use a model-based approach that constructs and...
Provided by Association for Computing Machinery
