新屋开工维持在疲弱水平。
其它层段易形成弱水淹。
全体支援；10MP；加强火属性，削弱水属性。
润湿性为中性或弱水湿时，微观驱替效率达到最大。
When the wettability is neutrally and slightly water wet, the displacement efficiency is maximal.
提出一种新的用于图像认证及恢复的半脆弱水印算法。
This paper presents a novel semi-fragile watermark algorithm for image authentication and recovery.
提出该气藏属弱水堵气藏，可用排水采气法大幅度提高采收率。
This reservoir belong to weak water blocking type and the recovery efficiency can be improved greatly with water drainage gas production.
原始水印分为鲁棒水印和半脆弱水印，分别用于版权保护和图像认证。
The original watermark is divided into the robust watermark and the semi-fragile watermark for copyright protection and image authentication.
提出了一种基于图像块关联机制，实现图像篡改检测和恢复的脆弱水印新算法。
We propose a fragile watermarking scheme capable of image tamper detection and recovery with a block-wise dependency mechanism.
本论文针对用于图像版权保护的稳健水印和用于图像认证的半脆弱水印进行研究。
In this dissertation, the robust watermarking for image copyright protection and the semi-fragile watermarking for image authentication are studied in detail. The main contribution includes.
垄上抗旱玉米精密播种机具有减弱水气对流损失、抵御干旱、提墒、保湿的作用。
The precise drought-resistant maize seeder rolling on the ridge could weaken hydrosphere convection loss, prevent drought, raise humidity and keep humidity.
为了解决低码率视频完整性认证问题，提出了一种基于脆弱水印的视频认证方案。
In order to solve the problem of integrality authentication for low bit-rate video, a novel video authentication schema based on the fragile watermark is proposed.
在图像脆弱水印技术中，算法安全性、定位精度和篡改恢复效果是主要的研究方向。
In image fragile watermarking technique, the algorithm's security, the accuracy of localization and the capability of recovering tampered region are the main areas of research.
第一种脆弱水印方案更适合于数据精度要求高、集中式网络模式的数据完整性保护；
The first fragile watermarking scheme is more suitable for high precision data in the traditional network model of integrity protection;
而脆弱水印则主要用来对图像进行防篡改验证，它能够检测到所添加水印的微小变化。
Fragile watermarks are used for authentication purposes and are capable of detecting minute changes of the watermark's content.
利用RS码的编码冗余和图像特定域的数据特性实现了基于RS码的图像半脆弱水印。
The proposed semi-fragile watermarking scheme is realized using the RS error-correcting codes and wavelet decomposition.
针对精确定位型脆弱水印算法的安全性问题，提出一种基于图像奇异值的脆弱水印方案。
A novel fragile watermarking based on image singular value was proposed to overcome the security problems of fragile watermarking with precise localization.
二元纯位相滤波器(BPOF)数字水印是一种用于图像真实性认证的半脆弱水印技术。
The binary phase-only filter (BPOF) digital watermarking is a semi-fragile watermarking technique used for the image credibility authentication.
针对脆弱水印方案的“伪认证攻击”问题，提出了基于混沌和图像内容的脆弱水印方案。
To overcome well-connected attack in fragile watermarking, a novel fragile watermarking method based on chaotic system and image content was proposed.
为了能够区分偶然攻击与恶意篡改，半脆弱水印需要对一般的内容保护图像操作有一定的鲁棒性。
In order to differentiate incidental attacks and malicious attacks, semi-fragile watermark must be robust against content-protection image processing.
本文提出了分别基于静止图像压缩标准JPEG和JPEG2000的两种新的半脆弱水印算法。
Two novel semi-fragile watermarking algorithms respectively based on JPEG and JPEG2000 are proposed in this paper.
同时它利用离散余弦变换，在图像的高频部分嵌入脆弱水印，使脆弱水印在遭受攻击或篡改时更易被损坏。
At the same time it embed Fragile Watermark in image's high frequency part with the use of DCT so that Fragile Watermark can...
基于该系统设计了脆弱水印保护人脸图像数据库和保存额外信息方案，提高了安全性，丰富了人脸图像信息内容。
Based on the experiment system, a scheme using the digital watermark to protect face information database is proposed, which can increase the security and enrich the content of face images.
基于变换域的双重数字水印方法，通过嵌入鲁棒水印和脆弱水印实现了图像内容版权保护和完整性认证的双重目的。
Double Digital Watermarking Method based on Transform Domain has realized the double aims of the copyright protection and the integrity authentication of image content.
大量的实验结果证明，该脆弱水印算法对篡改有极强的敏感性，且当小波参数不一致的情况下，则完全不能检测正确的水印信息。
Lots of simulation results show that the weak watermark is sensitive to the distortion of the image. When the parameter in the wavelet is wrong, the watermark cannot be detected correctly.
通过对原始低电阻率油层地质成因、机理的分析，发现形成原始低电阻率油层的主要地质成因是弱水动力沉积条件和成岩作用形成的次生孔隙。
The author finds that the low-energy hydrodynamic depositional conditions and secondary pores formed by diagenesis are the main geologic genesis of original low resistivity oil reservoirs.
通过对原始低电阻率油层地质成因、机理的分析，发现形成原始低电阻率油层的主要地质成因是弱水动力沉积条件和成岩作用形成的次生孔隙。
The author finds that the low-energy hydrodynamic depositional conditions and secondary pores formed by diagenesis are the main geologic genesis of original low resistivity oil reservoirs.
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