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Non-alcoholic fatty liver disease (NAFLD) is
closely related to oxidative stress. Vitamin E (VE) is an effective
antioxidant, which could relieve NAFLD symptoms by improving the balance of
oxidation and anti-oxidation. However, recent researches indicate that the
functional mechanisms of VE are not only limited to anti-oxidation, but also
include adjusting the metabolism disorders of glucose and lipid. Furthermore,
the efficacy of VE remains controversial in the treatment of NAFLD by far, and
the suitable condition of patient, drug dosage, drug safety and course of treatment during clinical
application still need to be discussed. Therefore, this paper reviewed the
recent study progresses of clinical application of VE alone and VE and other drugs.
Generally speaking, being an efficient information hiding scheme, what we want to achieve is high embedding capacity of the cover image and high visual quality of the stego image, high visual quality is also called embedding efficiency. This paper mainly studies on the information hiding technology based on gray-scale digital images and especially considers the improvement of embedding capacity and embedding efficiency. For the purpose of that, two algorithms for information hiding were proposed, one is called high capacity of information hiding algorithm (HCIH for short), which achieves high embedding rate, and the other is called high quality of information hiding algorithm (HQIH for short), which realizes high embedding efficiency. The simulation experiments show that our proposed algorithms achieve better performance.