合作者关系

[外文期刊] Multiple Watermarks for Medical Image Based on DWT-DFT

作者：Li, JB (Li, Jingbing);Huang, MX (Huang, Mengxing);Du, WC (Du, Wencai);Chen, Y (Chen, Yen-wei) （;[ 1 ] Hainan Univ, Coll Informat Sci & Technol, Haikou, Peoples R China [ 2 ] Ritsumeikan Univ, Coll Informat Sci & Technol, Kyoto, Japan）

出处：2012 7TH INTERNATIONAL CONFERENCE ON COMPUTING AND CONVERGENCE TECHNOLOGY (ICCCT2012) 2012

关键词：DWT;DFT;multiple watermarks;medical image

摘要：It is desirable to embed multiple diagnosis results into one medical image. This paper proposes an algorithm of robust multiple watermarks to serve th ...

[外文期刊] DFT Based Multiple Watermarks for Medical Image Robust to Common and Geometrical Attacks

作者：Li, JB (Li, Jingbing);Dong, CH (Dong, Chunhua);Han, XH (Han, Xianhua);Chen, YW (Chen, Yen-wei) （;[ 1 ] Hainan Univ, Coll Informat Sci & Technol, Haikou, Peoples R China [ 2 ] Ritsumeikan Univ, Coll Informat Sci & Engn, Kasatsu, Japan）

出处：2012 6TH INTERNATIONAL CONFERENCE ON NEW TRENDS IN INFORMATION SCIENCE, SERVICE SCIENCE AND DATA MINING (ISSDM2012) 2012

关键词：DFT;digital watermarking;medical image;robust

摘要：This paper presents a method for robust watermarking of medical image using DFT. A feature vector of the medical image is utilized to enhance the robu ...

[外文期刊] Purification and biological features of a rickettsia-like prokaryote from the scallop Argopecten irradians in China

作者：Li, Dengfeng;Wu, Xinzhong( wuxz@zju.edu.cn) （1 Center for Marine Disease Control, Marine Biology Research Station at Dayawan (MBRS), South China Sea Institute of Oceanology, The Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China 2 Ocean Collage of Hainan University, Haikou 570228, China 3 College of Animal Sciences, Zhejiang University, 268 Kaixuan Road, Hangzhou 310029, China）

出处：Aquaculture 2004

关键词：Bacteria;Membranes;Mollusks;Aquaculture;Centrifuges

摘要：Three methods were tried to purify rickettsia-like prokaryotes (RLPs) from infected Argopecten irradians tissues in China and Renografin density gradi ...

[外文期刊] The Medical Image Watermarking Algorithm Based on DFT and Logistic Map

作者：Li, JB (Li, Jingbing);Liu, YL (Liu, Yaoli);Du, WC (Du, Wencai);Chen, YW (Chen, Yen-wei) （;[ 1 ] Hainan Univ, Coll Informat Sci & Technol, Haikou, Peoples R China [ 2 ] Ritsumeikan Univ, Coll Informat Sci & Engn, Kasatsu, Japan）

出处：2012 7TH INTERNATIONAL CONFERENCE ON COMPUTING AND CONVERGENCE TECHNOLOGY (ICCCT2012) 2012

关键词：DFT;medical image;watermarking;logistic map

摘要：When medical images are transmitted and stored in hospitals, Strict security, confidentiality and integrity are required. However, the transmission of ...

[科技成果] 用于油液脱水的疏水亲油性树脂的开发

作者：潘莉莎，张永明，张德拉，孙中亮，刘钟馨，徐树英，王小红

关键词：油水分离树脂；金属网；涂装工艺

摘要：该项目采用氟类单体与丙烯酸类单体进行自由基溶液共聚，一方面氟类低表面能物质来达到树脂的疏水性；另一方面利用相似相溶原理，通过调整聚合物烷烃结构，实现树脂的亲油性。结合对聚合物分子量的控制、增大聚合物交联密度和涂膜性能等其他影响因素的考察，制备油水分离树脂。浸渍了油水分离树脂的金属网不但能达到较好的油 ...

[中文期刊] 合成条件对银纳米链近红外吸收性质的影响 CA

作者：刘钟馨，余莲芳，孙中亮，张永明，林强（海南大学热带生物资源教育部重点实验室海南大学材料与化工学院;）

出处：吉林化工学院学报 2009

关键词：Ag；纳米链；近红外吸收

摘要：采用湿化学法合成了银纳米链状材料.研究了不同的合成条件对材料的近红外吸收性质的影响,以获得具有良好的近红外吸收性质的银纳米材料.结果表明,常用的有机溶剂乙醇、甲苯、环己烷对于材料的结构都会产生影响,其中甲苯和环己烷对材料的结构影响较大.当水和甲苯/环己烷的比例为1∶1~1.5时,在800 nm~12 ...

[外文期刊] Hemicellulose Extraction from Coconut Shell

作者：Li, L (Li, Ling);Chen, Y (Chen, Yong);Xu, H (Xu, Hui) （;[ 1 ] Hainan Univ, Key Lab Applicat Technol Hainan Super Resources C, Hainan Prov Key Lab Res Utilizat Si Zr Ti Resourc, Key Lab Trop Biol Resources,Minist Educ, Haikou 570228, Peoples R China）

出处：MATERIALS AND COMPUTATIONAL MECHANICS, PTS 1-3 2012

关键词：Coconut shell;Hemicelluloses;Alkaline solution of hydrogen peroxide;Ultrasound-assisted

摘要：Hemicelluloses were extracted from coconut shell by ultrasound-assisted alkaline solution of hydrogen peroxide method. Chemical composition and physic ...

[中文期刊] Au/Au3+对硅酸盐玻璃中Eu3+发光性质的影响源

作者：刘钟馨，王建鑫（海南大学材料与化工学院热带生物资源教育部重点实验室；中油管道长春分公司）

出处：长春理工大学学报（自然科学版） 2009

关键词：硅酸盐玻璃；电荷迁移带

摘要：采用熔融法制备了新颖的单掺Eu3+,Au/Eu3+和Au3+/Eu3+共掺的硅酸盐玻璃,并对这些玻璃的发光特性进行了初步研究.测试了玻璃的吸收光谱、激发光谱和发射光谱.在经过还原热处理的样品中观察到了强的Au表面等离子共振吸收带,证明了体系中确实有Au的存在.结果表明由于Au3+的存在使得O2-与A ...

[外文期刊] Lifting Gr?bner bases from a class of algebras

作者：Li, Huishi （a Department of Applied Mathematics, College of Information Science and Technology, Hainan University, Haikou, China）

出处：Comm. Algebra 2010

关键词：Filtration;Gradation;Gröbner basis;Monomial ordering

[外文期刊] Image scrambling degree evaluation method based on standard deviation

作者：Li, HL (Li, Hong-Lei);Du, WC (Du, Wen-Cai);Yao, XM (Yao, Xiao-Ming) （;[ 1 ] Hainan Univ, Coll Informat Sci & Technol, Haikou, Peoples R China）

出处：2011 AASRI CONFERENCE ON APPLIED INFORMATION TECHNOLOGY (AASRI-AIT 2011), VOL 1 2011

关键词：image scrambling;scrambling degree;standard deviation

摘要：We provide a new method to evaluate the image scrambling degree. Firstly, we divide the scrambled image into suitable blocks, and assume the ideal sta ...