Results 211 to 220 of about 98,059 (236)

An Analytical Model of Motion Artifacts in a Measured Arterial Pulse Signal-Part I: Accelerometers and PPG Sensors. [PDF]

Sensors (Basel)
Rahman MM, Toraskar S, Hasan M, Hao Z.
europepmc   +1 more source

Reorientation-Driven Degradation in Oriented Perovskite Films: Shifting Facet Engineering to Thermodynamic Stability. [PDF]

Small
Ci X, Jiang X, Pan G, Sun K, Buyan-Arivjikh A, Li Z, Li L, Baier T, Schwartzkopf M, Koyiloth Vayalil S, Müller-Buschbaum P.   +10 more
europepmc   +1 more source

Metabolomic-based aging clocks. [PDF]

NPJ Metab Health Dis
Ibáñez de Opakua A, Conde R, de Diego A, Bizkarguenaga M, Embade N, Lu SC, Mato JM, Millet O.   +7 more
europepmc   +1 more source

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NACA: A Joint Distortion-Based Non-Additive Cost Assignment Method for Video Steganography

IEEE Transactions on Dependable and Secure Computing, 2022
Lots of non-additive cost assignment methods designed for image steganography have improved the security of stego images, but surprisingly there are only a few such non-additive cost assignment methods for video steganography. In this article, we first analyze the distortion propagation by decomposing it into inner-block, inter-block, and inter-frame ...
Yi Chen, Zoran Salcic, Hongxia Wang, Kim-Kwang Raymond Choo, Xuyun Zhang   +4 more
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BBC++: Enhanced Block Boundary Continuity on Defining Non-Additive Distortion for JPEG Steganography

IEEE Transactions on Circuits and Systems for Video Technology, 2021
Recently, Li et al. proposed an effective non-additive distortion model for JPEG steganography by preserving Block Boundary Continuity (BBC) in the spatial domain. However, the method based on BBC only explored how the modifications of DCT coefficient pairs at the same mode in adjacent blocks will impact on BBC.
Yaofei Wang, Weixiang Li, Weiming Zhang 0001, Xinzhi Yu, Kunlin Liu, Nenghai Yu   +5 more
openaire   +3 more sources

Derivative-Based Steganographic Distortion and its Non-additive Extensions for Audio

IEEE Transactions on Circuits and Systems for Video Technology, 2020
Steganography is the art of covert communication, which aims to hide the secret messages into cover medium while achieving high undetectability. To this end, the framework of minimal distortion embedding is widely adopted for adaptive steganography, where a well-designed distortion function is significant. In this paper, inspired by the phenomenon that
Kejiang Chen, Hang Zhou 0007, Weixiang Li, Kuan Yang, Weiming Zhang 0001, Nenghai Yu   +5 more
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An Adaptive IPM-Based HEVC Video Steganography via Minimizing Non-Additive Distortion

IEEE Transactions on Dependable and Secure Computing, 2023
Jie Wang 0031, Xuemei Yin, Yifang Chen 0002, Jiwu Huang, Xiangui Kang   +4 more
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Designing Non-additive Distortions for JPEG Steganography Based on Blocking Artifacts Reduction

2020
The JPEG image is the most commonly used image format, and the content-adaptive embedding mechanism is widely adopted for JPEG steganography. The embedding distortions for existing adaptive JPEG steganography are mostly additive distortions, while the non-additive distortions in JPEG steganography have not been sufficiently explored.
Yubo Lu, Liming Zhai, Lina Wang 0001
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