The features of the RFID system and the constraints of RFID devices may bring about various privacy problems. After analyzing some existing RFID protocols, this paper proposes a new protocol based on random number and...
ISBN:
(纸本)9781618399571
The features of the RFID system and the constraints of RFID devices may bring about various privacy problems. After analyzing some existing RFID protocols, this paper proposes a new protocol based on random number and encryption hash. A process of formal analysis is presented by using BAN logic; the security and the complexity of this protocol are compared with other typical ones. The messages in the protocol are encrypted by key, it makes the protocol can prevent from illegal reading, tracking, eavesdropping, spoofing and replay attack. Both theory and analysis show that this new protocol can ensure the security of RFID systems and keep low-cost.
In order to resolve the problem of skew phenomenon in the handwritten document image during the scanning process, a new skew angle detection algorithm based on maximum gradient difference as well as Hough transform wa...
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ISBN:
(纸本)9781457717000
In order to resolve the problem of skew phenomenon in the handwritten document image during the scanning process, a new skew angle detection algorithm based on maximum gradient difference as well as Hough transform was proposed in the paper. Firstly, text lines are labeled by using maximum gradient difference, and then we use the method of non-text filtering to get rid of shorter text lines and dots. Finally, margin information is extracted after refining on text lines, and two-stage Hough transform is made to the margin extracted information with the strategy varying from “coarse” to “fine” strategy, calculating the skew angle of document image which is fixed by the average of several longest lines. Experiment results shows that the algorithm detects skew angles of document image more rapidly and accurately than Hough transform alone.
Learned from the mechanism of competition and predation among populations in the field of biology, this paper creates a novel hybrid model based on competition and predation. To improve the convergence speed, we propo...
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Securing the transfer of data in mobile ad hoc networks (MANETs) is still a challenging issue. This paper proposes a method for providing message security in MANETs when nodes cooperate in routing. Our approach combin...
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Securing the transfer of data in mobile ad hoc networks (MANETs) is still a challenging issue. This paper proposes a method for providing message security in MANETs when nodes cooperate in routing. Our approach combines a trust-based multipath routing scheme and a real-time recurrent neural network-based (RRNN) cipher (yielding our so-called TR-RRNN scheme) to deal with the issues underlying message confidentiality, integrity, and access control. Simulation experiments using QualNet were conducted, showing that the proposed scheme is much more secured compared to the traditional multi-path routing algorithms and a recently proposed message security scheme for MANETs (our so- called Original Trust-based Multi-path Routing scheme (OTMR)). The route selection time and trust compromise are used as the performance criteria.
Dual system encryption is a new powerful methodology first proposed by Waters in CRYPTO 2009 which can be used to prove full security (or adaptive security) for identity-based encryption and its extensions, e.g., hier...
Dual system encryption is a new powerful methodology first proposed by Waters in CRYPTO 2009 which can be used to prove full security (or adaptive security) for identity-based encryption and its extensions, e.g., hierarchical identity-based encryption (HIBE) or attribute-based encryption (ABE) *** this paper, We consider the application of dual system *** on dual system encryption, we propose a generic construction of fully secure schemes.
The hybrid minimum principle (HMP) is extended to hybrid systems with autonomous (internally forced) switching on switching manifolds, controlled (externally forced) switching, jumps of the continuous state when switc...
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ISBN:
(纸本)9781612848006
The hybrid minimum principle (HMP) is extended to hybrid systems with autonomous (internally forced) switching on switching manifolds, controlled (externally forced) switching, jumps of the continuous state when switching, and time-varying functions for specifying the continuous and discrete dynamics. The formulation of the hybrid optimal control problem (HOCP) includes running, switching, and terminal costs. The HMP provides necessary optimality conditions for a solution of the HOCP and can be used as basis for developing numerical optimal control algorithms.
To achieve a more comprehensive and sustained privacy control and tamper detection for the data in wireless sensor networks, we propose a novel multiple watermarking method, called Multi-mark, which consists of an ann...
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Parallel RTS Processing MAC Protocol (PRP-MAC) can improve network throughput, but data packets are not always sent in a synchronized way. So PRP-MAC still produces the packet collisions in the network, which impact t...
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Parallel RTS Processing MAC Protocol (PRP-MAC) can improve network throughput, but data packets are not always sent in a synchronized way. So PRP-MAC still produces the packet collisions in the network, which impact the performance of the network. In this paper, we proposed an improved PRP-MAC called IPRP-MAC protocol. This protocol can avoid collisions by using 3 types of CTS packets which are used to make sure the transmitters sent the data packets synchronously. Finally, the simulation results show that IPRP-MAC can enhance the network throughput compared to PRP-MAC.
Patients suffering acute lung failure depend on artificial ventilation in order to survive. In severe cases, this therapy may not be sufficient any more and long term extracorporeal membrane oxygenation (ECMO) may be ...
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In this paper, we review the main concept and the developing method of Hilbert-Huang Transform (HHT), which is the novel and high-efficiently nonlinear and non-stationary data analysis method. HHT is composed of Empir...
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In this paper, we review the main concept and the developing method of Hilbert-Huang Transform (HHT), which is the novel and high-efficiently nonlinear and non-stationary data analysis method. HHT is composed of Empirical Mode Decomposition(EMD) and Hilbert Spectral Analysis(HSA). Numerical experiments demonstrate the advantages of HHT at outliers detection for inter-wave modulation signal compared with wavelet decomposition. Furthermore, based on the HHT and EEMD, a new frequency analysis method for intra-wave modulation signal is proposed. Simulation shows that the proposed method tracks the frequency of intra-wave modulation signal precisely.
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