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一种频域加密算法，图像经过DCT变换得到DCT系数，然后对DCT系数进行加密。然后对加密的DCT系数进行DCT反变换图像数据。最后对其加密后的图像数据进行线性变换来调整图像数据的取值范围在[0，255]。最后得到加密图像-A frequency-domain encryption algorithm, the image obtained through the DCT transform DCT coefficients, and then encrypt the DCT coefficien
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关于数字水印嵌入时处理水印的源代码，采用猫脸变换对水印图像进行预处理
-Be dealt with on the digital watermark embedding watermark source code, using a cat face on the watermark image pre-processing transformation
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digital image transformation alghoritms
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数字图像处理实习代码，包括图像转换，灰度变换、几何变换-Digital image processing practical code, including image conversion, gray-scale transformation, geometric transformation .....
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linux中QT编程，图形与图像在QT中是实现，并实现了图像动态显示的过程-linux in QT programming, graphic image transformation
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A block-based transformation algorithm is proposed for image
security using a combination of image transformation and encryption techniques.
This algorithm will be used as a pre-encryption transform to confuse the relationship
between the origi
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实现图像的对比度和亮度的自我变换！还有网络的实现图片的传输和目录的传输！-The contrast and brightness of the image of the self-transformation!
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it s from the hashing toolbox itis used to hash an image using the transformation wavelet you can have the whole hashing toolbox on the internet and it s fr-it s from the hashing toolbox itis used to hash an image using the transformation wavelet you
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VC实现真彩色图像转换为8位图像，RGB三个波段的灰度通过一个线性变换式计算为单波段灰度。 -VC to achieve true color image is converted to 8-bit images, RGB three bands of gray calculated by a linear transformation of a single-band grayscale.
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jQuery碎片式图片特效，有多种的图片切换过渡效果，有碎片一样飞入飞出、有百叶窗式变换切换、有卷轴一样的变换-jQuery fragmented picture special effects, a variety of image transition transition effects, flying debris flying into the same, there are louvered transform switching, there is the same transf
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HotImages属性的基本用法源码演示，通过HotImages控件属性实现图像变换，鼠标放上后图像就变成另一个，由此来实现漂亮的工具栏图标特别有意思，增加窗体美感，思路值得学习一下。如示例示，把你的鼠标放在“打开”、“保存”的按钮上，会看到图像变换了。-HotImages source code demonstrates the basic usage attributes through HotImages control properties of image transformation
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使用visual studio2010打开，简单的数字图像处理程序，包括了阈值，自动阈值，灰度图像变换，简单的图像变换等-Using visual studio2010 open, simple digital image processing procedures, including a threshold, automatic threshold, grayscale image transform, simple image transformation, etc.
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用Arnold 变换对一个正方形图像进行变换
并计算出变换周期
图像加密-By Arnold transformation to transform the images on a square and calculate the conversion cycle image encryption
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:目前混沌系统与加密技术相结合是现如今最热门的一个课题，虽然有大量的加密算法面世，但是这些加密算法并不成熟，仍然需要进一步的研究。本文采用像素位置置乱变换和像素值替代变换相结合的加密思想，设计出一种基于混沌的数字图像加密算法。引入了整数域上的逆仿射变换，算法中采用二维 logistic 混沌映射相结合的方法，生成多组混沌序列，像素置乱变换与灰度值替换都由这些混沌序列所控制。多混沌序列产生的密钥空间大于单一的混沌序列所产生的密钥空间，因此本文研究的算法加密强度很高。-The current cha
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Matrix transformation image filter. This filter draws its source input transformed by the given matrix.
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图形常见变换如维纳,中值滤波 复原等处理要求图像为256色-Common graphic transformation such as weiner, median filtering recovery processing requirements such as image for 256 colors
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图象处理,由于直方图的统计,灰度拉伸,灰度变换 不错的-Image processing, because the histogram statistics, gray stretching, gray level transformation
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数字图象处理,包括对图象的恢复,分析,编码灰度变换,滤波等处理-The recovery of digital image processing, including image, analysis, coding gray level transformation, filtering and other processing
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基于灰度图像的处理，能够进行显示，保存，几何变换，灰度值变换等功能，适合初学者。-Gray based image processing, to display, save, geometric transformation, gray value transformation and other functions, suitable for beginners.
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基于Matlab工具，本程序对BMP图像集成全部图像处理的工具，从几何变换，滤波，转换等功能，适合于图像处理的初学者研究-Based on Matlab tools, the procedures for BMP image integration of all image processing tools, geometric transformation, filtering, conversion and other functions, suitable for image proce
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