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Reversible Data Hiding Based on Greedy Pairing Prediction-Error Expansion

Journal of Electronic Science and Technology 2022年第3期20卷 294-304页

作者： Yi-Nan Lin Gwo-Jen Chiou Cheng-Ying Yang Victor R.L.Shen Chiao-Chih Lai the Department of Electronic Engineering Ming Chi University of TechnologyNew Taipei 243303 the Department of Electrical Engineering “National Formosa University”Yunlin 632301 the Department of Computer Science University of TaipeiTaipei 10048 the Department of Computer Science and Information Engineering “National Taipei University”New Taipei 23741 the Department of Information Management Chaoyang University of TechnologyTaichung 413310 acer company Taipei 221

Reversible data hiding(RDH)is a method to embed messages into an image that human eyes are difficult to recognize the differences between the original image and the embedded *** method needs to make sure that the original image and the embedded information can be exactly *** prediction-error expansion(PEE)is a successful way to realize ***,it is fixed when pairing the conventional twodimensional prediction-error histogram(2D-PEH).So,the embedding capacity(EC)and embedding distortion(ED)are not *** this study,we propose a method called greedy pairing prediction-error expansion(GPPEE)based on pairwise RDH and demonstrate GPPEE can achieve a more efficient embedding goal and reduce ED.

关键词： Greedy pairing prediction-error expansion(GPPEE) prediction-error expansion(PEE) reversible data hiding(RDH) two-dimensional prediction-error histogram(2D-PEH)

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Oil Content and Nervonic Acid Content of acer truncatum Seeds from 14 Regions in China

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Horticultural Plant Journal 2019年第1期5卷 24-30页

作者： Qian Qiao Xue Wang Hongjian Ren Kai An Zhen Feng Tiantian Cheng Zhongkui Sun College of Forestry Shandong Agricultural University Shandong Institute of Pomology Taishan Forestry Science Institute Tai'an Shidai Technology Development Limited company

acer truncatum is considered a promising species as a raw material to produce nervonic acid(NA). The goal of this study was to explore the variation of oil content and nervonic acid content of 138 accessions native to 14 regions in China as well as provide guidance for establishing plantations and improving the production of nervonic acid. A large range of variation was found in oil content, nervonic acid per gram of oil, and nervonic acid per gram of seed(17.81%–36.56%, 3.90%–7.85%, and 0.84%–2.31%, respectively). Accessions YS-6, ABZ-6 and DQTL-8 were found as the most promising potential oil sources; PQ-2 was considered the optimal germplasm, and JY-6, NJ-8, LF-6, and CC-8 were found as promising potential sources for producing NA. A very significant difference(P < 0.01) among 14 regions was observed. DQTL and YS regions are considered the optimal farming regions for crops with high oil content, while the CC and PQ regions are regarded as the most suitable regions for nervonic acid production. A geographical trend from South to North was observed in which amount of seed oil increased but no such trend in nervonic acid content was observed. The data collected in the study on oil content and nervonic acid in accessions of A. truncatum in various regions can be utilized for establishing plantations of promising genotypes through clonal means.

关键词： acer truncatum Seed oil content Nervonic acid Variation

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