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In this paper, we investigate a new method for lithium battery state-of-charge (SoC) estimation. Our proposed method is based on the well-known bounded-error state estimation with forward-backward propagation. However, instead of describing each variable error propagating in the algorithm by a single error bound (or a single interval), we describe it by families of error bounds. The technique that...
This paper proposes an inaudible and robust audio-information-hiding scheme based on the singular-spectrum analysis (SSA) and a psychoacoustic model. SSA is used to decompose the host signals into several additive oscillatory components. The hidden information is embedded into the host signals by modifying amplitudes of some oscillatory components. To satisfy the inaudibility, we propose a novel method...
Typically, the conventional image enhancement methods have a problem concerning the over- enhancement in an image which contains both less-visible and nicely-visible areas in common. To solve such a problem, we propose a novel contrast enhancement method based on a non-linear scaling function and the singular value decomposition (SVD). The SVD is used to decompose the image into several layers. Some...
This paper proposes an audio watermarking scheme based on singular-spectrum analysis (SSA) and differential evolution. In our framework, a watermark is embedded into an audio signal by modifying the amplitude of some oscillatory components which are decomposed by SSA, and a parameter set for the modification is determined by differential evolution. Test results showed that, although there is a trade-off...
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