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用matlab实现的有一个数字水印程序,它也是基于dct算法的数字水印程序,对一副图像进行dct变换然后嵌入水印...

于 2022-08-18 发布 文件大小:415.68 kB
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用matlab实现的有一个数字水印程序,它也是基于dct算法的数字水印程序,对一副图像进行dct变换然后嵌入水印-using Matlab is a realization of the digital watermarking procedure, which is based on the A1501 digital watermarking algorithm procedures, a pair of images Extra Transform then embedded watermark

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    2023-06-15 07:10:03下载
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  • rich graphics types (linear, parallelogram, rectangle, polygon, rounded rectangl...
    丰富的图形类型(直线,平行四边形,矩形,多边形,圆角矩形,圆,椭圆,二次均匀B样条曲线,三次参数样条曲线,贝齐埃曲线)      丰富的图形操作(属性设置,拖动,放大/缩小,删除,拷贝,旋转,图形切割,图形填充,编辑等)软件通用功能(撤消/恢复,打印,文件操作)架构较好,欢迎试用!-rich graphics types (linear, parallelogram, rectangle, polygon, rounded rectangle, circle, oval, secondary uniform B-spline curves, the three parameters spline curves, curve gemfibrozil Egypt) rich graphics operations (attribute settings, drag and enlarge/reduce, to delete, copy, rotate, graphics cutting, filling graphics, editing, etc.) common software functions (withdrawal/recovery, printing, and file manipulation) architecture better, welcomed the trial!
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    OTSU方法计算图像二值化的自适应阈值,OTSU 算法可以说是自适应计算单阈值(用来转换灰度图像为二值图像)的简单高效方法。下面的代码最早由 Ryan Dibble提供,此后经过多人Joerg.Schulenburg, R.Z.Liu 等修改,补正。算法对输入的灰度图像的直方图进行分析,将直方图分成两个部分,使得两部分之间的距离最大。划分点就是求得的阈值。都是老外写的,经典哦。-OTSU images calculated value of the two adaptive threshold, OTSU algorithm can be calculated adaptive threshold (for conversion to gray scale images binary images), a simple and efficient manner. The following code from the earliest to provide Ryan Dibble, after a more than Joerg.Schulenburg, R. Z. Liu amend the correction. Algorithm for the importation of gray-scale image histogram analysis of histogram is divided into two parts, Part 2 makes the distance between the largest. Demarcation point out the threshold. Foreigners are written in the classical oh.
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    2022-02-05 02:47:45下载
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    在图形模式下显示3D图形绕任意轴旋转的程序,物体的每一个顶点的坐标都储存在外部变量point中了,比如说第一个顶点就是point[0],他的坐标是(point[0][0],point[0][1],point[0][2])。整个步骤我想在程序的注释中讲得很清楚了。-in graphic mode display 3D graphics rotating procedures objects each vertex of the coordinates are stored in the external variables which point, for instance, the first point is a vertex [0], the coordinates of (point [0] [0], [0] point [1] point [0] [2]). I think the whole process in the Notes procedures made very clear.
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