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两桢差分加像素统计检测运动目标(支持标准USB摄像头)
- 两桢差分加像素统计检测运动目标(支持标准USB摄像头),Zhaozhen differential plus the two-pixel statistical detection of moving targets (supports standard USB camera)
dct.rar
- 已知两个不同图像块亮度数据如下: (1)分析DCT原理,采用DCT方法,编程并计算相应的DCT系数,分析系数分布特点。 (2)依据视觉特性分析量化表步长的分布特点,完成DCT系数量化。 (3)采用Z形扫描,实现输出数据的统计编码,形成Video stream。 (4)采用IDCT重建图像亮度数据,计算SAD大小,分析产生误差的原因及采用DCT进行数据压缩的原理。( ) (5)分别利用左上角1、3、6个系数重建图像,计算相应的SAD,并由
Zao-Sheng-Jian-Ce
- 视频噪声检测专利,内容为通过视频的统计特性检查视频含噪声程度,有兴趣的朋友可以看一下-Video noise detection patents, check the video through the video the statistical properties of noisy level, the friends who are interested can look at
video-read-and-coding
- 在matlab中读入视频序列,并显示出来。对视频流文件进行按帧读取,并计算帧与帧之间差值,并统计差值的分布。-Read into the video sequence in matlab, and displayed. Streaming video, read the press frame, and calculate the difference between frames, and statistical difference between the distribution.
npcr-unci
- The number of changing pixel rate (NPCR) and the unified averaged changed intensity (UACI) are two most common quantities used to uate the strength of image encryption algorithms/ciphers with respect to differential attacks. Conventionall
