Results 1 to 10 of about 10,558,163 (239)
Survey on image non-additive steganography
网络与信息安全学报, 2021 Image non-additive steganography not only can better maintain the distribution of image elements, but also has high detection resistance.Firstly, the image non-additive image steganography methods were sorted out and divided into two major categories ...
Yaofei WANG +4 more
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Binary image steganography method based on layered embedding
网络与信息安全学报, 2021 A non-additive distortion binary image steganography method was proposed which divided the cover image into two sub cover images, updated the distortion through delivering influence factor, and used the minimizing distortion codes to achieve message ...
Yuxiang CHENG +3 more
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Kernel Recursive Maximum Versoria Criterion Based Post-Distorter for VLC Using Kernel-Width Sampling
IEEE Photonics Journal, 2022 Visible light communication (VLC) has emerged as a potential candidate for next generation wireless communication systems. However, nonlinear characteristics of light emitting diode (LED), user-mobility, and DC-bias fluctuations are the major factors ...
Sandesh Jain +4 more
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Journal of Manufacturing and Materials Processing, 2023 Additive manufacturing of material systems sensitive to heat degradation represents an essential prerequisite for the integration of novel functionalized material systems in medical applications, such as the hybrid processing of high-performance ...
Samuel Schlicht, Dietmar Drummer
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Diffraction-Based Residual Stress Characterization in Laser Additive Manufacturing of Metals
Metals, 2021 Laser-based additive manufacturing methods allow the production of complex metal structures within a single manufacturing step. However, the localized heat input and the layer-wise manufacturing manner give rise to large thermal gradients.
Jakob Schröder +9 more
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Joint Digital Analogue DVB-S2(X) Link Optimization in Non-Linear Channel
IEEE Access, 2022 Future broadband satellite communication (SatCom) systems require a high throughput of data transmission, which calls for operation at higher frequency bands.
Mengwei Sun +6 more
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Journal of Materials Research and Technology, 2022 Additive manufactured magnesium (Mg) alloys have widespread applications in the medical industry as orthopedic implants and biomedical stents, and in the transportation/automotive industry due to their status as the lightest structural metallic alloys ...
Reza Motallebi +2 more
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Entropy, 2020 In this paper, we derive lower and upper bounds on the OPTA of a two-user multi-input multi-output (MIMO) causal encoding and causal decoding problem.
Photios A. Stavrou +2 more
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Lossy State Communication over Fading Multiple Access Channels
Entropy, 2023 Joint communications and sensing functionalities integrated into the same communication network have become increasingly relevant due to the large bandwidth requirements of next-generation wireless communication systems and the impending spectral ...
Viswanathan Ramachandran
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Spectral Properties of Clipping Noise
Mathematics, 2021 One serious disadvantage of any multicarrier-modulation technique such as orthogonal frequency division multiplexing (OFDM) is its high peak-to-average-power ratio (PAPR) which might lead to signal clipping in several scenarios.
Alexander Frömming +2 more
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