-
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
-
cvpr07_detcode1.0
Object Detection Combining Recognition and Segmentation, Eighth Asian Conference on Computer Vision (ACCV), 2007 源代码(Object Detection Combining Recognition and Segmentation, Eighth Asian Conference on Computer Vision (ACCV), 2007 source code)
- 2008-02-13 02:03:20下载
- 积分:1
-
FeatureExtractfacerecognation
人脸识别中特征提取matlab源码,LDA,(Face Recognition feature extraction Matlab source, LDA.)
- 2006-09-20 16:17:30下载
- 积分:1
-
qtfm_2_0
利用四元数对彩色图像进行各种图像处理的,如滤波、快速傅立叶变化、图像质量评价等。(Use quaternion various images for color image processing, such as filtering, fast Fourier transform, the image quality evaluation.)
- 2013-10-18 09:10:43下载
- 积分:1
-
1
说明: 图像去雾基于暗原色先验去雾,何凯明算法的源代码改进,(Dark colors on the image to fog prior to fog, He Kaiming algorithm source code improvements,)
- 2013-10-15 21:25:22下载
- 积分:1
-
RegularizationPToolsPVersionP4.1
正则化工具,里面有TV正则化,用超分辨率重建(regulation tool)
- 2021-03-10 22:59:26下载
- 积分:1
-
ColorImageSegmentation
彩色图像分割算法,首先基于直方图粗分,而后通过kmeans细分,得到分割结果(Color image segmentation algorithm, first, rough segmentation based on histogram and then broken down by kmeans get segmentation results)
- 2009-12-23 10:00:56下载
- 积分:1
-
readimage1
使用IDL编程来实现打开BMP,TIFF,IMG,JPEG,PNG和其他图像,实现缩放,缩放,平移,图像增强,平滑,边缘检测(Using IDL programming bmp, tiff, img, jpeg, png and other images to achieve open and zoom in, zoom, pan, image enhancement, smoothing, edge detection)
- 2020-12-21 13:29:07下载
- 积分:1
-
帧间差分提取运动目标
说明: matlab实现帧间差分提取运动目标,包含测试视频和运行效果。在背景固定的视频中效果较好。附赠lena图片以供CV学习。(Matlab achieves inter-frame differential extraction of moving objects, including testing video and running effects. It works well in video with fixed background. Enclosed Lena pictures for CV learning.)
- 2020-06-20 22:40:01下载
- 积分:1
-
1
说明: 出一个基于扩散与位平面Amold映射相结合的彩色图像置乱,以及采用Chen系统产
生的混沌序列加密的图像加密算法。(A combination of diffusion bit plane Amold mapping based color image scrambling, and Chen system chaotic sequence encryption image encryption algorithm.)
- 2012-11-08 17:22:02下载
- 积分:1