Preliminary Research on Distributed Collaborative High-performance Computing Framework for Spatial Information

Firstly, we convert RGB image into gray image, then detect the edge of echo region using sobel edge detection operator. In order to get consistency edge, the closure computing operation is applied on the image.

首先将图像转化为灰度图，利用sobel边缘检测算子对图像进行边缘检测，为了得到连贯的区域边缘，需要对图像进行闭运算操作。

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Using the improved algorithm in edge location, the computing complexity is reduced by avoiding search efforts when using two dimensions error table, and the measurement accuracy is increased.

将改进算法应用到空间矩亚象素边缘定位中，避免了以往利用二维误差校正表时需要的查寻时间和存贮空间，降低了计算复杂度，提高了测量精度。

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Firstly, this algorithm enhanced the original image in fuzzy way and designed one classifier according to its and its 8-neighbor gray levels; secondly, classified each pixel into the proper edge class by computing and comparing its greatest fuzzy truth of membership;

首先对图像进行模糊增强，然后依据当前像素及其8-邻域像素的灰度，设计了一个分类器，通过计算相对于该分类器的模糊隶属度函数值，对像素进行边缘分类；

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Then, we formulate optimizations for three typical clouds supporting different main services, respectively. The optimal amount of edge cloud computing storage resources and their corresponding best locations are obtained by solving the optimizing problems.

然后，针对主营应用特性不同的三类典型云系统，分别构建了最优化问题，并相应地求解得出了分布式计算存储资源的最佳部署位置，以及最优数量。

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Edge Parameters Computing Methods for Anisotropic Volume Data

异分辨率体积数据的边界参数计算方法

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In order to achieve software protection, dynamic data hiding makes use of homomorphic encryption scheme and data obfuscation to protect the key data in program.

针对程序中的关键数据的保护问题，动态数据隐藏是个可行的方法。

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A proved secure protocol for watermark verification based on perfect zero knowledge interactive proof system and bit commitments scheme is proposed.

基于完全零知识交互证明系统和位委托方案，提出了可证明的安全水印认证协议。

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Research on Zero-Knowledge Proof and Digital Signature

零知识证明与数字签名理论的研究

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In the paper, we present a notion about two directional zero knowledge proof, and study the relation between two directional zero knowledge proof and traditional one directional zero knowledge proof. We propose several simple two directional zero knowledge problem proof protocols.

提出了双向零知识证明的概念，研究了双向零知识证明与传统的零知识证明之间的关系，设计了两个最基本的双向零知识证明协议。

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A new efficient normative signature scheme, based on discrete logarithm assumption and factoring assumption is proposed. A zero knowledge proof protocol between the nominee and a third party to verify the signature is also constructed.

提出了一种基于离散对数假设与因子分解假设的有效的记名签名方案，构造了一个被签名人与第三方之间的零知识证明协议。

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Chapter 2 introduces the common concepts and definitions of SMC, including the definition of security and behaviors of participants, etc., and oblivious transfer, zero knowledge proof systems, circuit evaluation protocol.

第2章给出了安全多方计算较为详细的介绍，其中包括安全定义、参与者行为等基本概念，茫然传送、零知识系统、电路求值协议等基本理论。

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This paper presents a perfect zero knowledge proof system for a decision problem which is computationally equivalent to the Discrete Root Problem, and its zero knowledge property does not rely on any assumptions.

本文提出了一种关于离散根问题的完美零知识证明系统，并且其零知识性不依赖于任何前提假设。

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A digital signature scheme with multiple functions in special environment is proposed which is called forward-secure and confirmer digital signature scheme based on zero knowledge proof.

提出了一种具有多功能特殊用途的数字签名方案&基于零知识证明的前向安全可证实签名方案。

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A new threshold digital signature using the research result about the digital signature with zero knowledge proof was proposed in this paper.

基于目前团体签名的实际需要及数字签名的研究，结合交互式零知识证明的概念，提出了一种新的门限数字签名算法。

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The security of the system was improved by adopting the elliptic curve zero knowledge proof in the payment protocol.

在支付协议中采用并行的椭圆曲线零知识证明，提高了系统的安全性。

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In this paper, some watermark verification protocols based on bit commitment and zero knowledge proof are proposed.

对基于比特承诺和零知识证明的水印验证协议进行了研究。

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The improved system utilizes good properties of elliptic curve cryptography system and adopts zero knowledge proof.

改进的系统利用了椭圆曲线良好的密码特性，并采用零知识证明方法。

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We introduce the two directional zero knowledge proof is to study secure multi party computation.

提出并研究双向零知识证明的目的是希望用双向零知识的思想，研究多方安全计算问题。

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Electronic cash based on zero knowledge proof

基于零知识证明的电子现金

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Research on Zero Knowledge Proof Protocol of Watermark Detection

零知识数字水印检测协议研究

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