云南高校图书馆联盟文献共享服务平台- HALFTONE

HALFTONE: 作品数：12被引量：10H指数：2; 导出分析报告; 相关领域：自动化与计算机技术更多>>; 相关机构：中国科学院南开大学更多>>; 相关期刊：《Journal of Software Engineering and Applications》《Chinese Journal of Electronics》《数码设计》《The Journal of China Universities of Posts and Telecommunications》更多>>; 相关基金：国家自然科学基金国家重点实验室开放基金更多>>

A Directly Readable Halftone Multifunctional Color QR Code被引量：1: 《Chinese Journal of Electronics》2023年第3期474-484,共11页HUANG Yuan CAO Peng LYU Guangwu; supported by Beijing Fund-Municipal Education Commission Joint Project(KZ202010015023);the National Natural Science Foundation of China(61972042).; Color quick response(QR)code is an important direction for the future development of QR code,which has become a research hotspot due to the additional functional characteristics of its colors as the wide application o...; 关键词：Color QR code Information hiding Multi-code integration HALFTONE ANTI-COUNTERFEITING

Halftone spatial frequency domain imaging enables kilohertz high-speed label-free non-contact quantitative mapping of optical properties for strongly turbid media被引量：3: 《Light(Science & Applications)》2021年第12期2518-2530,共13页Yanyu Zhao Bowen Song Ming Wang Yang Zhao Yubo Fan; The authors gratefully acknowledge funding from the National Natural Science Foundation of China(NSFC,No.62005007,11827803,and U20A20390);the Fundamental Research Funds for the Central Universities(Beihang University).; The ability to quantify optical properties(i.e.,absorption and scattering)of strongly turbid media has major implications on the characterization of biological tissues,fluid fields,and many others.However,there are fe...; 关键词：optical SCATTERING media

Half-Art——一种基于Halftone和QArt的新型二维码艺术化算法被引量：1: 《应用科学学报》2018年第3期485-494,共10页燕伯禹孙承君冯帆张金宫晓利; 国家自然科学基金(No.61702286);体系结构国家重点实验室开放课题(No.CARCH201604);天津市优秀科技特派员基金(No.17JCTPJC49500)资助; 为了提高二维码的辨识度和多样性,对Halftone算法的基本思想和优缺点进行了分析,并对其应用进行了扩展.结合Halftone和QArt的部分思想,提出了一种新型的艺术化算法——Half-Art.该算法分为数据修饰和图片处理两个阶段,分别使用了里德-...; 关键词：二维码艺术化 Half-Art 扩展Halftone

Watermark Embedding for Direct Binary Searched Halftone Images by Adopting Visual Cryptography: 《Computers, Materials & Continua》2018年第5期255-265,共11页Yangyang Wang Rongrong Ni Yao Zhao Min Xian; In this paper,two methods are proposed to embed visual watermark into direct binary search(DBS)halftone images,which are called Adjusted Direct Binary Search(ADBS)and Dual Adjusted Direct Binary Search(DADBS).DADBS is...; 关键词：Data hiding HALFTONE direct binary search visual watermark.

(k, n) halftone visual cryptography based on Shamir＇ s secret sharing被引量：2: 《The Journal of China Universities of Posts and Telecommunications》2018年第2期60-76,共17页Ding Haiyang Li Zichen Bi Wei; supported by the National Natural Science Foundation of China(61370188);the Scientific Research Common Program of Beijing Municipal Commission of Education(KM201610015002,KM201510015009);the Beijing City Board of Education Science and Technology Key Project(KZ201510015015,KZ201710015010);Project of Beijing Municipal College Improvement Plan(PXM2017_014223_000063);BIGC Project(Ec201802,Ed201803,Ea201806); （k, n） halftone visual cryptography （HVC） is proposed based on Shamir＇ s secret sharing （HVCSSS）, and through this method a binary secret image can be hided into n halftone images, and the secret image can be r...; 关键词：Shamir＇ s secret sharing （k n） VC self-hiding self-deerypt Lagrange interpolation

A Secure Visual Cryptography Scheme Using Private Key with Invariant Share Sizes被引量：2: 《Journal of Software Engineering and Applications》2017年第1期1-10,共10页Rola I. Al-Khalid Randa A. Al-Dallah Aseel M. Al-Anani Raghad M. Barham Salam I. Hajir; Visual cryptography (VC) is one of the best techniques used to secure information. It uses the human vision to decrypt the encrypted images without any cryptographic computations. The basic concept of visual cryptogra...; 关键词：Visual CRYPTOGRAPHY (VC) HALFTONE Color Images Pixel Expansion PSNR PRIVATE Key

Novel attribute-based framework for halftone watermarking: 《Journal of Beijing Institute of Technology》2015年第2期246-253,共8页谢琨郑海红曾平王泉郭涛; Supported by the National Natural Science Foundation of China(61100156);the National 12th Five-Year Plan Item of China(513160702);the Fundamental Research Funds for the Central Universities(JB150317,JB140311,K5051303014); A novel attribute-based framework is proposed to tackle the problem of halftone water- marking in combination of the spatial/transformation domain. The challenge is that the host image is continuous, while the waterma...; 关键词：digital halftoning digital watermarking attribute image transformation domain

Multi-Level Halftoning by IGS Quantization: 《Journal of Signal and Information Processing》2013年第4期351-358,共8页Tadahiko Kimoto; Improved gray-scale (IGS) quantization is a known method for re-quantizing digital gray-scale images for data compression while producing halftones by adding a level of randomness to improve visual quality of the resu...; 关键词：Digital HALFTONE MULTI-LEVEL HALFTONE Improved GRAY-SCALE QUANTIZATION Error Diffusion Subjective Testing

A New Steganography Method Based on the Complex Pixels: 《Journal of Information Security》2012年第3期202-208,共7页Amin Hashemi Pour Ali Payandeh; Today steganography has attracted the attention of many researchers. In this paper, we propose a new steganography method for secure Data communication on half tone pictures. Using the halftone pictures improve the se...; 关键词：STEGANOGRAPHY HALFTONE Fluyd Steinberg ATTACKER STEGANALYSIS

(2,n)secret sharing scheme for gray and color images based on Boolean operation被引量：1: 《Science China(Information Sciences)》2012年第5期1151-1161,共11页DONG Lin WANG DaoShun LI ShunDong DAI YiQi; supported by National High-Tech Research & Development Program of China (Grant No. 2008AA-10Z419);National Natural Science Foundation of China (Grant Nos. 60873249,60673065,60902102,60971006);Post-Doctor Foundation of China (Grant No. 20090460316); Traditional secret sharing （SS） schemes can reconstruct the secret precisely,but have high com-putation complexity.Visual secret sharing （VSS） schemes use human visual system to reconstruct the secret without cryp...; 关键词：secret sharing scheme Boolean operation HALFTONE CONTRAST

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