opencv roi

Typedef struct _ iplimage {int nsize;/* sizeof (iplimage) */int id;/* version (= 0) */INT nchannels;/* Most of opencv Functions Support 1, 2, 3 or 4 channels */INT alphachannel;/* ignored by opencv */INT depth;/* pixel depth in bits: Average, minimum, ipl_depth_16s, ipl_depth_32s, minimum and maximum are supported. */Char colormodel [4];/* ignored by opencv */Cha

id;/* version (= 0) */INT nchannels;/* Most opencv Functions Support 1, 2, 3 or 4 channels */INT alphachannel;/* ignored by opencv */INT depth;/* bit depth of pixels: Fill, ipl_depth_8s, ipl_depth_16u, ipl_depth_16s, ipl_depth_32s, ipl_depth_32f and ipl_depth_64f support */Char colormodel [4];/* ignored by opencv */Char channelseq [4];/* same as above */INT data

1. Go to the \ opencv \ Interfaces \ swig \ Python directory and run Install Python setup-for-win.py Install 2. After the installation is successful, you will find that the directory opencv is added under python26 \ Lib \ Site-packages, which should contain these files Adaptors. pyAdaptors. PyCCn.bmpCn.bmp .jpgCv. pyCv. PyCHighgui. pyHighgui. PyCKalman. pyKalman. PyCMaidMATLAB _ syntax.pyc_ Cv. PYD_ Highgui

OpenCV learning notes (1) -- OpenCV Development Environment Configuration Abstract: Due to the recent popularity of AR (Augmented Reality), various AR-based applications and games are gradually oriented to the public. The two most important technologies in AR are tracking, recognition, and enhanced rendering, tracking and recognition is implemented through the open-source computer vision library

Allocate and release image space Allocate image space:Iplimage * cvcreateimage (cvsize size, int depth, int channels );Size: cvsize (width, height );Depth: ipl_depth_8u, ipl_depth_8s, ipl_depth_16u,Ipl_depth_16s, ipl_depth_32s, ipl_depth_32f, ipl_depth_64fChannels: 1, 2, 3 or 4.Note that the data is cross-access. The color image data is arranged as B0 G0 R0 B1 G1 R1...Example:// Allocate a single-channel byte ImageIplimage * img1 = cvcreateimage (cvsize (640,480), ipl_depth_8u, 1 );// Allocat

[Opencv Article 1] install opencv This article mainly introduces how to download the opencv installer and how to install and configure opencv under vs2008. Finally, it introduces a simple example of using opencv. Opencv Getting St

[OpenCV Article 1] install OpenCV This article describes how to download the OpenCV installer and how to install and configure OpenCV under VS2008. At last, it also describes a simple example of using OpenCV. OpenCV Getting Starte

("fly.jpg"); - //define a mat type for storing, ROI for images - Mat Imageroi; the -imageroi= Image (Rect (Ten,Ten, logo.cols,logo.rows));//defines a cols*rows rectangle window with the upper-left corner coordinates (_x, _y) - - //Add the logo to the original + //parameters: graphs, weights, graphs, weights, added constants, output graphs -Addweighted (Imageroi,0.5, logo,0.3,0., Imageroi); + Acout "start Add picture......\n"Endl; at

IntroductionA photo scene called depth of field was found in HTC's camera app, and then practiced using OPENCV to simulate the implementation.HCL depth of field scene effect This example achieves the effect Implementation processTo realize this example, two aspects are needed: 1. The Gaussian blur of the image. 2. In the image, go out to the circle area

has been contributed by phasespace; see cvaux. HPP* Added dense Optical Flow Estimation Function (based on the paper"Two-Frame Motion Estimation Based on Polynomial expansion" by G. farnerback ).See CV: calcopticalflowfarneback and the c ++ documentation* Image warping operations (resize, REMAP, warpaffine, warpperspective)Now all support bicubic and Lanczos interpolation.* Most of the new linear and non-linear filtering operations (filter2d, sepfilter2d, erode, dilate ...)Support arbitrary bor

"OpenCV First" installation OpenCVThis article mainly describes how to download the OPENCV installation program, how to install the configuration under VS2008 OpenCV, the article finally introduced a simple sample using OPENCV.the O Pencv Getting Started Guide series article address: http://blog.csdn.net/morewindows/article/category/1291764A Download of OpenCVTo

Learning the learning notes series of OpenCV-Environment configuration 2, opencv learning notes To learn OpenCV well, you must first know how to configure the environment. Take your own configuration environment as an example. The steps are as follows. Step 1 download and decompress the OpenCV source code Although many

Today finally the QT + OPENCV configuration succeeded, there are some twists in the middle, recorded here.vs2013 + OpenCV's method was previously documented, but this time it's not quite the same, we started with this article configuring proA tutorial on OPENCV development in QT5However, the result is not, the study found that we use MinGW is not vs, this method is suitable vs compiler (for reference: Win7

This article mainly introduces how to use Python and OpenCV libraries to convert URLs into OpenCV formats. at the same time, NumPy and urllib are used. For more information, see Today's blog is directly from my own tool library. In the past few months, some PyImageSearch readers emailed me: "How to get the image pointed to by the URL and convert it to OpenCV f

Iplimage type definition: typedef struct _IPLIMAGE {int nSize; /* sizeof (iplimage) */int ID; /* Version (=0) */int nchannels; /* Most of the OpenCV functions support for 4 channels */int alphachannel; /* Ignored by OpenCV */int depth; /* Pixel depth in bits:ipl_depth_8u, ipl_depth_8s, Ipl_depth_16s, Ipl_depth_32s, ipl_depth _32F and ipl_depth_64f are supported.

turn from: http://blog.sciencenet.cn/home.php? Collcc=3456986939collcc=3456885714mod=spaceuid=702148do=blogquickforward=1id= 657754%20%e5%9c%a8mac%e4%b8%8b%e4%bd%bf%e7%94%a8opencv%ef%bc%8c%20%e5%9c%a8xcode%e4%b8%8b%e4%bd%bf%e7%94% A8OPENCVPenis a small Mac white, recently started a MacBook Air, has no time to build a programming environment, the two days finally out of time to start using the Mac system. The current programming tools mainly for Eclipse and Xcode, I first chose to use Xcode, beca

extracting the non rectangular region of the picture. For example, I want to pick up the logo on the top of the OpenCV and put it in another picture, if the home bar two pictures added, then the color will change, if mixed with two pictures, will create a transparent effect, then you can skillfully use for the operation to solve this problem: # Load Two images img1 = cv2.imread (' messi5.jpg ') img2 = Cv2.imread (' opencv_logo.png ') # I want to pu

Today's blog is a direct source of my own personal tool function library. In the past few months, some Pyimagesearch readers emailed me: "How to get a picture that the URL points to and convert it to OPENCV format (without having to write it to disk and then read back)". In this article I will show you how to implement this function. In addition, we will also see how to use Scikit-image to download an image from a URL. Of course the road ahead will al

Today's blog is directly derived from my own personal tool library. Over the past few months, some pyimagesearch readers have emailed me: "How do I get the picture that the URL points to and convert it to the OPENCV format without having to write it to disk and then read back?" In this article I will show you how to implement this function. Additional, we will also see how to use Scikit-image to download an image from the URL. Of course there will b

This article mainly describes how to configure OPENCV with vs2012 and then modify the code for debugging OpenCV.1, Configuration OpenCV ProjectHere is the main introduction of how to compile the source code through VS2012, the specific steps can be consulted:"OpenCV Introductory Tutorial VII"