Base on this characteristic, this paper presents a passive image forgery detection algorithm which uses blind estimation of background noise.
本文利用这一特点，提出了一种基于背景噪声分析的图像真伪被动鉴别算法。
Region duplication forgery, in which a part of a digital image is copied and then pasted to another portion of the same image, is one of the simple and common image forgery techniques.
图像区域复制篡改就是将数字图像中一部分区域进行复制并粘贴到同一幅图像的另外一个区域，是一种简单而又常见的图像篡改技术。
But when the image analysis was repeated at a greater level of detail, the Wacker forgery was shown to be different.
然而通过对图像细节进一步地反复分析，沃克的伪作就露了馅。
Aiming at a common copy-paste forgery in the research field of digital image forensics, this paper proposes a detection approach based on wavelet transform and singular value decomposition.
针对数字图像取证中一类常见的复制粘贴图像伪造，本文提出了一种基于小波变换和奇异值分解的检测算法。
A watermarking on image which can be used to forgery prevention for printed brands is proposed.
本文提出了一种用于印刷域商标防伪的水印算法。
This paper proposed a method about blind detection of digital forgery image based on the distribution of noise.
提出了一种基于噪声分布规律的伪造图像盲检测方法。
As a most common way of image tampering, copy-move forgery is used to conceal objects or clone regions to produce a non-existing image scene.
复制一移动是最常见的图像伪造方式之一，其目的是通过隐藏或克隆对象来创建新的图像内容场景。
Both water and positive contrast media can be full of stomach(26/26). The showing of stomach wall is good in axial image(25/26), and no forgery to surrounding organs(0/26).
口服水对比剂及阳性对比剂均能满意地充盈胃腔（26/26），在轴位图像胃壁结构显示上单纯口服水对比剂效果好（25/26），且对周围图像无影响（伪影0/26）。
With regard to the copy-move forgery of image region, this paper proposes a detection algorithm based on gray level co-occurrence matrix.
针对图像区域复制—粘贴篡改，提出了一种基于灰度共生矩阵的检测算法。
With regard to the copy-move forgery of image region, this paper proposes a detection algorithm based on gray level co-occurrence matrix.
针对图像区域复制—粘贴篡改，提出了一种基于灰度共生矩阵的检测算法。
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