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Jsteg
Jsteg算法实现,Jsteg是一种基于JPEG的常用信息隐藏算法步骤如下:
首先,把掩体图像分为不重叠的8*8的子块,对每一子块进行DCT并对变换得到的DCT系数进行量化 其次,将待隐藏的信息进行加密,将加密结果嵌入到量化后值不为0,1或-1的DCT系数的最
低有效位(LSB)中,其嵌入顺序是按zigzag扫描顺序进行的。最后,用JPEG的嫡编码(包括哈夫曼编码,游程编码及DPCM)对嵌入秘密信息后的每一子块进行编码,从而得到一个含有秘密信息的JPEG stego文件。(Jsteg Algorithm)
- 2016-03-30 21:45:43下载
- 积分:1
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object
说明: 光学成像过程实例,包含傅里叶变换,滤波处理等(Examples of optical imaging process, including Fourier transform, filter processing, etc)
- 2020-03-30 16:15:55下载
- 积分:1
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Face-detection-based-on-skin-color
人脸检测,能够检测出多张人脸,通过建立肤色模型,图像预处理等,分割出肤色区域,效果不错。(Face detection and can detect more than one face, through the establishment of skin color model, image preprocessing, segmentation of color of skin area, the effect is good.
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- 2021-03-17 00:49:21下载
- 积分:1
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MSE
MSE,最小均方误差,用于图像匹配,可用,亲测(MSE, minimum mean square error for image matching, available, pro-test)
- 2021-01-07 21:08:51下载
- 积分:1
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myASM
说明: 自己写的Active Shape Model face segmentation 代码 (Write their own Active Shape Model face segmentation code)
- 2008-10-28 19:27:07下载
- 积分:1
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power-spectrum
可同时实现多幅图片的傅里叶能量谱统计与分析!得到相应通道能量的信息!(Multiple images to achieve the power spectrum of Statistics and analysis!)
- 2011-06-03 21:46:48下载
- 积分:1
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single_phase_grid_pv
单相并网光伏逆变系统仿真,带最大功率点跟踪(PV system is connected to grid through single phase inverter)
- 2013-09-03 13:37:00下载
- 积分:1
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CCD-
采用National Instruments 视觉算法库,雷赛运动控制卡,映美精相机 检测手机LOG(Using National Instruments vision algorithms library, Lemire motion control card, Imaging camera detects the phone LOG)
- 2015-03-25 14:49:56下载
- 积分:1
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Plot_PreRecallThousand
在进行图像显著性分析时,要通过PR曲线进行比较不同方法的好坏,这个源码可以实现此功能。(Significantly during image analysis, through PR curves comparing different methods is good or bad, this source can achieve this functionality.)
- 2013-05-24 10:47:12下载
- 积分:1
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upload
gabor filter and gabor wavelet is used for segmentation of retinal blood vessel segmentation
- 2014-03-14 12:52:24下载
- 积分:1