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Recent studies have indicated that well-designed convolutional neural network (CNN) has achieved comparable performance to the spatial rich models with ensemble classifier (SRM-EC) in digital image steganalysis. In this paper, we discuss the difference and correlation between a CNN model and a SRM-EC model, and explore the classification error rate varying with texture complexity of an image for both...
In this paper, construction of quaternary low correlation zone (LCZ) sequence sets based on binary sequence sets and interleaving technique is proposed. Some new binary component sequence sets that satisfy specified conditions are constructed compared the known binary component sequence sets. A number of quaternary component sequence sets that satisfy conditions are constructed based on the binary...
Based on orthogonal matrices, two constructions of Z-periodic complementary sequence set are introduced in this letter. The two proposed approaches can provide flexible choices for the flock size of the Z-periodic complementary sequence set, which cannot be obtained by known methods. The parameters of resultant Z-periodic complementary sequence sets are (M,N)PCS^{NM_1}_{M_2} and (M,N-1)PCS^{NN_1}_{M_2}...
This paper presents a dual threshold mode switching criteria to optimize the performance of multiple-input multiple-output (MIMO) in Long Term Evolution (LTE) downlink. Transmit diversity (TD) and spatial multiplexing (SM) is the basic MIMO transmission modes in LTE-A standards. General method for mode switching based on Signal-to-Noise-and-Interference Ratio (SINR) or CQI is merely a single threshold...
With the wide application of web database, Web pages are continuously deepened. In order to use Deep Web resources effectively, the Deep Web data need to be integrated on a large scale, and data sources discover is the primary work of Deep Web resources integration. The Deep Web site found efficiently is the key of the Deep Web data Integration. This paper puts forward a kind of Deep Web entry automatic...
Based on the equivalent relationship between binary sequence pairs with two-level periodic autocorrelation function (BSPT) and difference set pairs (DSP), several families of BSPT including perfect binary sequence pairs are constructed by recursively constructing DSP on the integer ring.
This paper proposes a new construction method of binary sequence pair sets with zero correlation zone (ZCZ) in which the correlation functions of sequence pairs are zero, based on difference set pair, a new concept of combinatorial mathematics. With the extension of sequence length, the sets achieve the theoretical upper bound. These ZCZ sequence pairs can be applied to the generalized quasi-synchronous...
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