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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
OpenCV Tutorials —— Random generator and text with OpenCV
creating a Random Number Generator object (RNG): RNG rng( 0xFFFFFFFF ); 创建并初始化随机数生成子 create a matrix initialized to zeros (which means that it will ap...
分类:其他好文   时间:2014-11-17 10:33:52    阅读次数:350
OpenCV Tutorials —— Basic Drawing
Point It represents a 2D point, specified by its image coordinates and . We can define it as: Point pt;pt.x = 10;pt.y = 8; or Point pt = Point(10, 8);...
分类:Windows程序   时间:2014-11-16 21:35:05    阅读次数:307
OpenCV Tutorials —— Changing the contrast and brightness of an image
Brightness and contrast adjustments Two commonly used point processes are multiplication and addition with a constant: The parameters and are often ca...
分类:其他好文   时间:2014-11-16 21:24:27    阅读次数:263
OpenCV Tutorials —— Adding (blending) two images using OpenCV
An interesting dyadic (two-input) operator is thelinear blend operator: #include #include #include using namespace cv; int main( int argc, char** argv...
分类:其他好文   时间:2014-11-16 21:23:44    阅读次数:181
OpenCV Tutorials —— Mask operations on matrices
Mask operations on matrices are quite simple. The idea is that we recalculate each pixels value in an image according to a mask matrix (also known as ...
分类:其他好文   时间:2014-11-16 17:07:47    阅读次数:212
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