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Chinese Academy of Sciences
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Phoenix Cloud: Consolidating Heterogeneous Workloads of Large Organizations on Cloud Computing Platforms
June 7, 2009, 12:00am PDT
For a large organization, different departments often maintain dedicated cluster systems for different workloads, for example parallel batch jobs or Web services. This paper designs and implements...
Provided by Chinese Academy of Sciences
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White Papers
QVS: Quality-Aware Voice Streaming for Wireless Sensor Networks
April 1, 2009, 12:00am PDT
Recent years have witnessed the pilot deployments of audio or low-rate video wireless sensor networks for a class of mission-critical applications including search and rescue, security...
Provided by Chinese Academy of Sciences
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White Papers
Single Target Search and Capture Based on Random Sensor Deployment in Mobile Sensor Networks
September 3, 2009, 12:00am PDT
This paper addresses the problem of coordinating multiple agents in chasing and capturing a single mobile target, where the objective of a group of agents is to reduce the time of chasing and...
Provided by Chinese Academy of Sciences
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White Papers
Real Time Face Detection Based on Skin Tone Detector
July 1, 2009, 12:00am PDT
Face detection is critical to the application based on human face. Accurate and quick face detection has a determining effect on its following process, like face verification and face recognition...
Provided by Shanghai Institute of Applied Physics, Chinese Academy of Sciences
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White Papers
Performance Analysis of Bit Error Rate for Free Space Optical Communication with Tip-Tilt Compensation Based on Gamma-Gamma Distribution
January 22, 2009, 12:00am PST
In this paper, the gamma - gamma probability distribution is used to model turbulent channels. The Bit Error Rate (BER) performance of free space optical (FSO) communication systems employing...
Provided by Chinese Academy of Sciences
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White Papers
Phoenix Cloud: Consolidating Different Computing Loads on Shared Cluster System for Large Organization
September 25, 2008, 12:00am PDT
Different departments of large organization often maintain dedicated cluster systems for different computing loads. This paper has designed and implemented a cloud management system...
Provided by Chinese Academy of Sciences
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White Papers
Cross-Layer Enhancement to Multi-Hop Routing in Sensor Networks: An Empirical Study
November 1, 2006, 12:00am PST
Lossy link is one of the unique characteristics in random-deployed sensor networks. Authors envision that robustness and reliability of routing cannot be ensured purely in network layer. The idea...
Provided by Graduate University of the Chinese Academy of Sciences
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White Papers
The Design and Evaluation of a Wireless Sensor Network for Mine Safety Monitoring
September 12, 2007, 12:00am PDT
This paper describes a wireless sensor network for mine safety monitoring. Based on the characteristics of underground mine gallery and the requirements for mine safety monitoring, the authors...
Provided by Chinese Academy of Sciences
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White Papers
Blog Post Extraction Using Title Finding
November 17, 2009, 12:00am PST
With the development of Web2.0, web mining applications pay more attention to blog pages. In order to prevent noises in blog pages from affecting the precision of web mining algorithms, it is very...
Provided by Chinese Academy of Sciences
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White Papers
Desiderata for Languages to Be Used in the Definition of Reference Business Processes
December 1, 2007, 12:00am PST
In many modern enterprises, explicit business process definitions facilitate the pursuit of business goals in such ways as best practice reuse, process analysis, process efficiency improvement,...
Provided by Chinese Academy of Sciences
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White Papers
A Calculus for Game-Based Security Proofs
April 23, 2010, 12:00am PDT
The game-based approach to security proofs in cryptography is a widely-used methodology for writing proofs rigorously. However a unifying language for writing games is still missing. In this paper...
Provided by Chinese Academy of Sciences
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White Papers
An Enhanced Quickest Response Algorithm for Grid Service Discovery
October 10, 2009, 12:00am PDT
A computational grid is an emerging computing infrastructure that enables effective access to high performance computing resources. Service discovery is one of the most important research issues...
Provided by Chinese Academy of Sciences
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White Papers
Design and Analysis of the REESSE1+ Public Key Cryptosystem
January 25, 2011, 12:00am PST
The authors give the definitions of a coprime sequence and a lever function, and describe five algorithms and six characteristics of a prototypal cryptosystem called REESSE1+, used for encryption...
Provided by Chinese Academy of Sciences
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White Papers
Improved Integral Attacks on Reduced Round Camellia
April 1, 2011, 12:00am PDT
In this paper a method is presented to extend the length of integral distinguisher of Feistel-SP structure, based on which a new 8-round distinguisher of Camellia is proposed. Moreover, the...
Provided by Chinese Academy of Sciences
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White Papers
ECDLP on GPU
March 23, 2011, 12:00am PDT
Elliptic Curve Discrete Logarithm Problem (ECDLP) is one of the most important hard problems that modern cryptography, especially public key cryptography, relies on. And many efforts are dedicate...
Provided by Chinese Academy of Sciences
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White Papers
On Enumeration of Polynomial Equivalence Classes and Their Application to MPKC
January 30, 2011, 12:00am PST
The Isomorphism of Polynomials (IP) is one of the most fundamental problems in Multivariate Public Key Cryptography (MPKC). In this paper, the authors introduce a new framework to study the...
Provided by Chinese Academy of Sciences
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White Papers
A Broadcast Attack Against NTRU Using Ding's Algorithm
November 23, 2010, 12:00am PST
In 1988, Hastad proposed the first broadcast attack against public key cryptosystems. The attack enables an attacker to recover the plaintext sent by a sender to multiple recipients, without...
Provided by Chinese Academy of Sciences
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White Papers
Optimal XOR Based (2,n)-Visual Cryptography Schemes
October 26, 2010, 12:00am PDT
The basic principle of Visual Cryptography Scheme (VCS) was first introduced by Naor and Shamir. The idea of the visual cryptography model proposed in [22] is to split an image into two random...
Provided by Chinese Academy of Sciences
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White Papers
Loiss: A Byte-Oriented Stream Cipher
September 19, 2010, 12:00am PDT
This paper presents a byte-oriented stream cipher - Loiss, which takes a 128-bit initial key and a 128-bit initial vector as inputs, and outputs a key stream of bytes. The algorithm is based on a...
Provided by Chinese Academy of Sciences
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White Papers
Computational Soundness About Formal Encryption in the Presence of Secret Shares and Key Cycles
December 20, 2010, 12:00am PST
The computational soundness of formal encryption is studied extensively following the work of Abadi and Rogaway. Recent work considers the scenario in which secret sharing is needed, and...
Provided by Chinese Academy of Sciences
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White Papers
Unconditionally Secure Rational Secret Sharing in Standard Communication Networks
November 2, 2010, 12:00am PDT
Rational secret sharing protocols in both the two-party and multi-party settings are proposed. These protocols are built in standard communication networks and with unconditional security. Namely,...
Provided by Chinese Academy of Sciences
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White Papers
Embedded Extended Visual Cryptography Schemes
August 12, 2010, 12:00am PDT
Visual Cryptography Scheme (VCS) is a kind of secret sharing scheme which allows the encoding of a secret image into shares that distributed to n participants. The beauty of such scheme is that a...
Provided by Chinese Academy of Sciences
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White Papers
Unlinkable Randomizable Signature and Its Application in Group Signature
November 21, 2007, 12:00am PST
The authors formalize a generic method of constructing efficient group signatures, specifically, they define new notions of unlinkable randomizable signature, indirectly signable signature and...
Provided by Chinese Academy of Sciences
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White Papers
A Rapid Antenna Selection for MIMO-Diversity Systems
December 1, 2007, 12:00am PST
The technology of antenna selection for MIMO diversity systems can keep most of the diversity gain, yet needs no more RF chains. This paper develops a rapid antenna selection method for...
Provided by Chinese Academy of Sciences
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White Papers
Static Deadlock Detection in MPI Synchronization Communication
August 14, 2007, 12:00am PDT
It is very common to use dynamic methods to detect deadlocks in MPI programs for the reason that static methods have some restrictions. To guarantee high reliability of some important MPI-based...
Provided by Chinese Academy of Sciences
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White Papers
Impossible Differential Cryptanalysis of ARIA and Camellia
October 17, 2006, 12:00am PDT
This paper studies the security of the block ciphers ARIA and Camellia against impossible differential cryptanalysis. The work improves the best impossible differential cryptanalysis of ARIA and...
Provided by Chinese Academy of Sciences
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White Papers
Shorter Verifier-Local Revocation Group Signatures From Bilinear Maps
December 1, 2006, 12:00am PST
Group signature is motivated by enabling members of a group to sign on behalf of the group without leaking their own identities, and at the same time the signer's identity can be discovered by the...
Provided by Chinese Academy of Sciences
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White Papers
Key Replacement Attack on a Certificateless Signature Scheme
November 30, 2006, 12:00am PST
In order to simplify certificate management as in traditional Public Key Infrastructure, Shamir introduced the concept of IDentity-based Public Key Cryptography (ID-PKC), in which the public-key...
Provided by Chinese Academy of Sciences
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White Papers
A Shorter Group Signature With Verifier-Location Revocation and Backward Unlinkability
September 23, 2006, 12:00am PDT
Group signatures are generalized credential/member authentication schemes with wide applications, such as Trust Computing. Membership revocation problem is a major issue of group signatures. In...
Provided by Chinese Academy of Sciences
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White Papers
Multi-Modal Biometric Verification Based on FAR-Score Normalization
April 1, 2008, 12:00am PDT
Fusion different biometrics is an effective way to design a biometric system with robust performance. To do this, normalization functions are employed. However, these functions can not follow the...
Provided by Chinese Academy of Sciences
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White Papers
Financial Rogue Waves Appearing In The Coupled Nonlinear Volatility And Option Pricing Model
January 17, 2011, 12:00am PST
The coupled nonlinear volatility and option pricing model presented recently by Ivancevic is investigated, which generates a leverage effect, i.e., stock volatility is (negatively) correlated to...
Provided by Chinese Academy of Sciences
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White Papers
Software Metrics Analysis With Genetic Algorithm and Affinity Propagation Clustering
May 6, 2008, 12:00am PDT
Software metrics are collected in software development process and can be utilized to quantify software products, especially to predict software quality in the early stage of software life cycle....
Provided by Chinese Academy of Sciences
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White Papers
Online Boosting Based Intrusion Detection in Changing Environments
April 18, 2008, 12:00am PDT
Intrusion detection is an active research field in the development of reliable network, where many machine learning techniques are exploited to fit the specific application. Although some...
Provided by Chinese Academy of Sciences
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White Papers
A Dynamic Economy-Based Scheduling Model for Distributed Instrumentation System
May 17, 2008, 12:00am PDT
Distributed instrumentation system is one of the grid computing applications that enables user to share modern instruments globally. However, resource scheduling is a great challenge due to the...
Provided by Graduate University of the Chinese Academy of Sciences
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White Papers
Middleware-Based Distributed Systems Software Process
December 1, 2009, 12:00am PST
Middleware facilitates the development of distributed systems by accommodating heterogeneity, hiding distribution details and providing a set of common and domain specific services. It plays a...
Provided by Chinese Academy of Sciences
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White Papers
LBlock: A Lightweight Block Cipher
June 29, 2011, 12:00am PDT
In this paper, the authors propose a new lightweight block cipher called LBlock. Similar to many other lightweight block ciphers, the block size of LBlock is 64-bit and the key size is 80-bit. The...
Provided by Chinese Academy of Sciences
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White Papers
An Effective TCM-KNN Scheme for High-Speed Network Anomaly Detection
November 1, 2010, 12:00am PDT
Network anomaly detection has been a hot topic in the past years. However, high false alarm rate, difficulties in obtaining exact clean data for the modeling of normal patterns and the...
Provided by Chinese Academy of Sciences
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White Papers
A 3D Reconstruction System of Indoor Scenes With Rotating Platform
August 30, 2008, 12:00am PDT
3D reconstruction has a long history, few workable reconstruction systems are available although many magnificent theories and algorithms are reported in literature. In this paper, a 3D...
Provided by Chinese Academy of Sciences
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White Papers
Provide VoD Service in Peer-to-Peer Network Using Offset Ranking and Epidemic Diffusion
September 25, 2008, 12:00am PDT
The Peer-to-Peer solution provides a service model that is attractive for Video-On-Demand (VOD). The key idea of using P2P technology is to aggregate storage and bandwidths capacity of peers to...
Provided by Chinese Academy of Sciences
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White Papers
Technology Roadmap for Smart Iris Recognition
May 6, 2008, 12:00am PDT
Iris recognition has many desirable properties for reliable individual authentication but usability is its largest bottleneck to wide deployment. Thus, smart interface and machine intelligent are...
Provided by Chinese Academy of Sciences
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White Papers
Load-Aware and Position-Aided Routing in Satellite IP Networks
December 16, 2011, 12:00am PST
Satellite communication is regarded as a promising way to achieve seamless global coverage with an array of advantages over the traditional terrestrial network. However, the non-uniform...
Provided by Chinese Academy of Sciences
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White Papers
On the Immunity of Rotation Symmetric Boolean Functions Against Fast Algebraic Attacks
February 28, 2012, 12:00am PST
Boolean functions are frequently used in the design of stream ciphers, block ciphers and hash functions. One of the most vital roles in cryptography of Boolean functions is to be used as filter...
Provided by Chinese Academy of Sciences
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White Papers
On Hardening Leakage Resilience of Random Extractors for Instantiations of Leakage Resilient Cryptographic Primitives
March 1, 2012, 12:00am PST
Random extractors are proven to be important building blocks in constructing leakage resilient cryptographic primitives. Nevertheless, recent efforts showed that they are likely more leaky than...
Provided by Chinese Academy of Sciences
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White Papers
Short and Efficient Expressive Attribute-Based Signature in the Standard Model
March 7, 2012, 12:00am PST
Attribute-based signature allows the signer to announce his endorsement using a signing policy without revealing the identity, and only the signer whose attributes satisfy the signing policy can...
Provided by Chinese Academy of Sciences
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White Papers
Fully Secure (Doubly-)Spatial Encryption Under Simpler Assumptions
December 21, 2011, 12:00am PST
Spatial encryption was first proposed by Boneh and Hamburg in 2008. It is one implementation of the generalized identity-based encryption schemes and many systems with a variety of properties can...
Provided by Chinese Academy of Sciences
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White Papers
Verifiable Attribute Based Encryption
March 1, 2010, 12:00am PST
In this paper, the authors propose the notion of Verifiable Attribute-Based Encryption (VABE) and give two constructs of key-policy VABE. One is with a single authority, and the other is with...
Provided by Graduate University of the Chinese Academy of Sciences
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White Papers
Accelerating Sparse Matrix Vector Multiplication on Many-Core GPUs
January 30, 2012, 12:00am PST
Many-core GPUs provide high computing ability and substantial bandwidth; however, optimizing irregular applications like SpMV on GPUs becomes a difficult but meaningful task. In this paper, the...
Provided by Chinese Academy of Sciences
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White Papers
A Study of an Improved PSO Algorithm Used in an Adaptive Optics System
July 1, 2011, 12:00am PDT
Wavefront sensor-less adaptive optics is an important method for correcting wavefront aberration. An appropriate optimization algorithm is crucial to aberration correction. An Improved Particle...
Provided by Chinese Academy of Sciences
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White Papers
A Massively Parallel Approach for Nonlinear Interdependency Analysis of Multivariate Signals With GPGPU
February 23, 2012, 12:00am PST
Non-Linear Interdependency (NLI) analysis is an effective method for measurement of synchronization among brain regions, which is an important feature of normal and abnormal brain functions. But...
Provided by Chinese Academy of Sciences
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White Papers
Inferring Protocol State Machine From Network Traces: A Probabilistic Approach
April 6, 2011, 12:00am PDT
Application-level protocol specifications (i.e., how a protocol should behave) are helpful for network security management, including intrusion detection and intrusion prevention. The knowledge of...
Provided by Chinese Academy of Sciences
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White Papers
Compact Distributed Target-Tracking Algorithm With Binary Sensors
May 13, 2011, 12:00am PDT
A popular family of sensing systems work using binary sensors. In this study, the behavior of binary sensing methods is investigated where the individual sensors only return information regarding...
Provided by Chinese Academy of Sciences
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White Papers
Designing and Analyzing a Flash File System With Alloy
January 1, 2009, 12:00am PST
Alloy is a lightweight modeling language based on first-order relational logic. The language is expressive enough to describe structurally complex systems, but simple enough to be amenable to...
Provided by Chinese Academy of Sciences
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White Papers
An Empirical Study on Evolution of API Documentation
January 6, 2011, 12:00am PST
With the evolution of an API library, its documentation also evolves. The evolution of API documentation is common knowledge for programmers and library developers, but not in a quantitative form....
Provided by Chinese Academy of Sciences
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White Papers
A Low-Complexity LMMSE Channel Estimation Method for OFDM-Based Cooperative Diversity Systems with Multiple Amplify-and-Forward Relays
May 18, 2008, 12:00am PDT
Orthogonal Frequency Division Multiplexing- (OFDM-) based Amplify-and-Forward (AF) cooperative communication is an effective way for single-antenna systems to exploit the spatial diversity gains...
Provided by Chinese Academy of Sciences
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White Papers
Throughput Capacity of Opportunistic Routing in Wireless Sensor Networks
May 15, 2009, 12:00am PDT
Recently, the idea of Opportunistic Routing (OR) has been widely explored to cope with the unreliable transmissions by exploiting the broadcast nature and spatial diversity of the wireless medium...
Provided by Chinese Academy of Sciences
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White Papers
Scalable Group Management in Large-Scale Virtualized Clusters
April 8, 2010, 12:00am PDT
To save cost, recently more and more users choose to provision resources at the granularity of Virtual Machines (VMs) in cluster systems, especially of data centres, and virtualized clusters...
Provided by Chinese Academy of Sciences
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White Papers
A Cross-Layer Strategy for Energy-Efficient Cooperative Communication in Wireless Sensor Networks
June 30, 2010, 12:00am PDT
Cooperative communication has been shown to provide significant performance gains over fading channels in wireless networks, as well as enhancement of the energy efficiency in sensor networks....
Provided by Chinese Academy of Sciences
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White Papers
Improved Algorithm for Broadcast Scheduling of Minimal Latency in Wireless Ad Hoc Networks
December 4, 2009, 12:00am PST
Wireless ad hoc networks find a wide range of applications in military surveillance, emergency disaster relief and environmental monitoring, some of which impose stringent requirement on the...
Provided by Chinese Academy of Sciences
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White Papers
Andbot: Towards Advanced Mobile Botnets
March 6, 2011, 12:00am PST
With the rapid development of the computing and Internet access (i.e., using WiFi, GPRS and 3G) capabilities of smartphones, constructing practical mobile botnets has become an underlying trend....
Provided by Chinese Academy of Sciences
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White Papers
Performance Analysis of Multi-Homed Transport Protocols With Network Failure Tolerance
March 25, 2008, 12:00am PDT
The performance of multi-homed transport protocols tolerant of network failure is studied. It evaluates the performance of different retransmission policies combined with path failure detection...
Provided by Chinese Academy of Sciences
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White Papers
Transmission Scheduling for Multi-Homed Transport Protocols With Network Failure Tolerance
January 15, 2009, 12:00am PST
In heterogeneous network environments, the network connections of a multi-homed device may have significant bandwidth differential. For a multi-homed transmission protocol designed for network...
Provided by Chinese Academy of Sciences
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White Papers
EasiTPQ: QoS Based Topology Control in Wireless Sensor Network
September 12, 2007, 12:00am PDT
With the rapid development of Wireless Sensor Networks (WSNs), the requirements for Quality of Service (QoS) are growing, particularly in applications where real time imaging, video or audio...
Provided by Chinese Academy of Sciences
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White Papers
QoS Adaptive Data Organizing and Delivery Framework for P2P Media Streaming
July 9, 2007, 12:00am PDT
This paper presents a novel data organizing and delivery framework for P2P media streaming which is aware of media content. In this framework, the media data is partitioned GOP by GOP, and...
Provided by Chinese Academy of Sciences
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White Papers
Adaptive Voice Stream Multicast Over Low-Power Wireless Networks
September 16, 2010, 12:00am PDT
Low-power Wireless Networks (LWNs) have become increasingly available for mission-critical applications such as security surveillance and disaster response. In particular, emerging low-power...
Provided by Chinese Academy of Sciences
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White Papers
An Energy-Efficient Scheduling Approach Based on Private Clouds
April 1, 2011, 12:00am PDT
With further development and wide acceptance of cloud computing, lots of companies and colleges decide to take advantage of it in their own data centers, which is known as private clouds. Since...
Provided by Chinese Academy of Sciences
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White Papers
Securing the Distributions in P2P Networks With Trusted Platform Modules
March 1, 2011, 12:00am PST
The authors present a novel solution that allows one platform to securely distribute or redistribute digital contents to another in P2P networks. The solution includes three protocols...
Provided by Chinese Academy of Sciences
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White Papers
Unsupervised Change Detection in High Spatial Resolution Optical Imagery Based on Modified Hopfield Neural Network
May 24, 2008, 12:00am PDT
This paper addresses the problem of unsupervised change detection in high spatial resolution optical remote sensing images based on Hopfield Neural Network (HNN). An optimization relaxation...
Provided by Chinese Academy of Sciences
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White Papers
Growth, Population And Industrialization And Urban Land Expansion Of China
December 1, 2006, 12:00am PST
China is experiencing urbanization at an unprecedented rate over the last two decades. The overall goal of this paper is to understand the extent of and the factors driving urban expansion in...
Provided by Chinese Academy of Sciences
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White Papers
Distributed Detection of Network Intrusions Based on a Parametric Model
March 22, 2008, 12:00am PDT
With the increasing requirements of fast response and privacy protection, how to detect network intrusions in a distributed architecture becomes a hot research area in the development of modern...
Provided by Chinese Academy of Sciences
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White Papers
Facial Expression Recognition Using Encoded Dynamic Features
October 27, 2008, 12:00am PDT
In this paper, the authors propose a novel framework for video-based facial expression recognition, which can handle the data with various time resolutions including a single frame. They first use...
Provided by Chinese Academy of Sciences
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White Papers
Security Enhancement of Biometrics, Cryptography and Data Hiding by Their Combinations
May 16, 2008, 12:00am PDT
The security of multimedia information in general and the security of visual information in particular have increasingly become an issue of great concern in the networked society. Biometrics,...
Provided by Chinese Academy of Sciences
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White Papers
Face Shape Recovery From a Single Image Using CCA Mapping Between Tensor Spaces
April 6, 2008, 12:00am PDT
In this paper, the authors propose a new approach for face shape recovery from a single image. A single Near InfraRed (NIR) image is used as the input, and a mapping from the NIR tensor space to...
Provided by Chinese Academy of Sciences
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White Papers
Curvature Estimation of 3D Point Cloud Surfaces Through the Fitting of Normal Section Curvatures
January 15, 2009, 12:00am PST
As the technical development of laser scanning and image based modeling, more and more point cloud data are obtained to represent 3D geometric shapes of natural objects. Calculation of...
Provided by Chinese Academy of Sciences
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White Papers
Multispectral Palm Image Fusion for Accurate Contact-Free Palmprint Recognition
January 18, 2008, 12:00am PST
In this paper, the authors propose to improve the verification performance of contract-free palmprint recognition system by means of feature-level image registration and pixel-level fusion of...
Provided by Chinese Academy of Sciences
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White Papers
A Hierarchical Model for the Evaluation of Biometric Sample Quality
July 29, 2008, 12:00am PDT
The evaluation of biometric sample quality is of great importance in the evaluation of biometric algorithms. In this paper, the authors propose a novel hierarchical model to compute the sample...
Provided by Chinese Academy of Sciences
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White Papers
Counterfeit Iris Detection Based on Texture Analysis
August 5, 2008, 12:00am PDT
This paper addresses the issue of counterfeit iris detection, which is a liveness detection problem in biometrics. Fake iris mentioned here refers to iris wearing color contact lens with textures...
Provided by Chinese Academy of Sciences
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White Papers
Synthesis of Large Realistic Iris Databases Using Patch-Based Sampling
August 7, 2008, 12:00am PDT
This paper presents a framework to synthesize large realistic iris databases, providing an alternative to iris database collection. Firstly, iris patch is used as a basic element to characterize...
Provided by Chinese Academy of Sciences
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White Papers
Combine Hierarchical Appearance Statistics for Accurate Palmprint Recognition
August 4, 2008, 12:00am PDT
Palmprint recognition is an active member of biometrics in recent years. State-of-the-art algorithms of palmprint recognition describe appearances of palmprints efficiently through local texture...
Provided by Chinese Academy of Sciences
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White Papers
Self-Adaptive Iris Image Acquisition System
January 1, 2011, 12:00am PST
Iris image acquisition is the fundamental step of the iris recognition, but capturing high-resolution iris images in real-time is very difficult. The most common systems have small capture volume...
Provided by Chinese Academy of Sciences
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White Papers
Palmprint Image Synthesis: A Preliminary Study
June 15, 2008, 12:00am PDT
In this paper, the authors present a preliminary study of palmprint image synthesis and propose a framework for synthesizing palmprint texture. They first extract principal lines of real...
Provided by Chinese Academy of Sciences
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