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OpenCV Tutorials —— Laplace Operator
发掘图像边界 —— 一阶导数顶点不好求,可用二阶导数过零点来代替 Getting the first derivative of the intensity, we observed that an edge is characterized by a maximum, as it can be s...
分类:其他好文   时间:2014-11-18 23:55:21    阅读次数:286
OpenCV Tutorials —— Basic Thresholding Operations
Threshold Binary This thresholding operation can be expressed as: So, if the intensity of the pixel is higher than , then the new pixel intensity is ....
分类:其他好文   时间:2014-11-18 23:53:21    阅读次数:292
OpenCV Tutorials —— Adding borders to your images
扩展图像边界: BORDER_CONSTANT: Pad the image with a constant value (i.e. black or BORDER_REPLICATE: The row or column at the very edge of the original is re...
分类:其他好文   时间:2014-11-18 23:44:20    阅读次数:338
OpenCV Tutorials —— Making your own linear filters
kernel A kernel is essentially a fixed size array of numerical coefficeints along with an anchor point in that array, which is tipically located at th...
分类:其他好文   时间:2014-11-18 23:31:24    阅读次数:418
OpenCV Tutorials —— Interoperability with OpenCV 1
新版本的OpenCV 使用Mat作为基本的图像容器,而代替旧版本的 CvMat 和 IplImage All the OpenCV related stuff is put into the cv namespace to avoid name conflicts with other librar...
分类:其他好文   时间:2014-11-18 10:18:21    阅读次数:233
编译Opencv的GPU,利用CUDA加速
首先检查自己的机器是否支持,否则都是白搭(只有NVIDIA的显卡才支持,可在设备管理器中查看) 如果不用GPU,可以直接官网下载预编译好的库 环境: 1 VS2013 2 Opencv2.4.9 3 CUDA6.5 (只有6.5版本以上版本才加入对VS2013的支持,6.0最高支持到2012) 4 TBB --------------以下内容转自网络(加入了自己编译时...
分类:其他好文   时间:2014-11-17 17:48:02    阅读次数:769
利用ffmpeg和opencv进行视频的解码播放
OpenCV中有自己的用于处理图片和视频的类,可以很方便的读入文件和显示。 现在视频数据流是ffmpeg解码h264文件得到的,由于要依赖该数据源进行相应的后续处理,所以需要将ffmpeg中得到的数据缓存转换成可以被OpenCV处理的Mat类对象。...
分类:其他好文   时间:2014-11-17 17:45:46    阅读次数:293
Visual Studio OpenCV 开发环境配置
Visual Studio OpenCV 开发环境配置
分类:其他好文   时间:2014-11-17 17:07:08    阅读次数:191
OpenCV Tutorials —— File Input and Output using XML and YAML files
They are two kinds of data structures you may serialize: mappings(like the STL map) and element sequence (like the STL vector>. The difference between...
分类:其他好文   时间:2014-11-17 15:45:16    阅读次数:291
OpenCV Tutorials —— Discrete Fourier Transform
The Fourier Transform will decompose an image into its sinus and cosines components. In other words, it will transform an image from its spatial domai...
分类:其他好文   时间:2014-11-17 12:13:58    阅读次数:599
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