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OpenCV · Open Source Computer Vision Library

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  • Members: 48148
  • Category: Open Source
  • Founded: Jun 20, 2000
  • Language: English
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Hey I am trying to find the postions of the cameras in a stero pari then make an interpolated view from a virtual camera positon I am totaly stumped at the m...
9 Oct 5, 2006
5:41 pm

vanth1982
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Hi I would like know if is there anyone of you coming from Lima... I'm asking so because I would like to go in. Let me know please. Regards Frank [Non-text...
1 Oct 5, 2006
2:23 pm

Franco Amato
franco.amato
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Hi, I want to know if it is possible to change depth of an image and save this change in the same image structure; that is, I can change depth of an image...
1 Oct 5, 2006
1:39 pm

pivit80
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can you give me an easy example to do 2d DFT? thanks~~~~~~~ i can't understand the DFT usage in cvtemplmatch.cpp :(...
3 Oct 5, 2006
1:27 pm

univmercury
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Please help I am trying to run the .exe files from openCV on a winXP computer. however, everytime i try to run it, the window disappears. does anyone know why...
3 Oct 5, 2006
12:46 pm

chee chung chan
demon2009
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Hi All, I am quite surprised to find that simple programs like cvTranspose(), cvInvert() are not correctly implemented. If you have got them working, as it...
1 Oct 5, 2006
12:42 pm

Ajay
mishraka2002
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Hi, I've a small question; I must multply each image pixel for a costant value; ... IplIMage *src, *dst, *mul_image; CvScalar s = cvScalar(10); ... ...
3 Oct 5, 2006
10:41 am

vp153
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How can I open a .mpg or a .avi file using OpenCV? Thanks (I'm just starting with OpenCV)....
1 Oct 5, 2006
10:26 am

Kathy Mendes Ferreira
mendeskathy
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Hi all, I'm interested in finding the spatial moments of a contour - basically I'm tracking LEDs and want to determine the centre of the LED. The process of...
1 Oct 5, 2006
10:26 am

andrewcunningham82
andrewcunnin...
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I would really appreciate some help on this topic. I am trying to capture still images through opencv, but the only method i know is through the video...
2 Oct 5, 2006
10:20 am

dan77062
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Is this a possible way? 1- background subtraction --> obtain the silhouette in all views 2- calculate the contour 3- triangulate just the contour in the 2...
2 Oct 5, 2006
9:06 am

Stephen DiVerdi
stevediverdi
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can anyone explain me how to draw the epipolar lines??? my aim is 3d reconstruction from stereo. I have done: - calibration. - trying now to use...
3 Oct 5, 2006
8:16 am

vanth1982
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Hi all: Can I re-build openCV to be static library? I also want to link openCV directly to underlying IPP with statc link dispatcher(with ippStaticInit())...
1 Oct 4, 2006
8:45 pm

kpw_km
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i'm up against a math problem involving 3D reconstruction in a multiview geometry setting, that i think someone on here may be able to help me with. the short...
7 Oct 4, 2006
5:48 pm

Stephen DiVerdi
stevediverdi
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Hi, I am using cvCalibrateCamera2 and cvUndistort2 to correct radial distortion deformation on images taken with a wide angle camera. I used a 8x10 chessboard...
1 Oct 4, 2006
5:28 pm

gregoryseront
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Hi all I would like to ask how can I define _layer_size in CvANN_MLP with CvMat, when CvMat is always a nxm field and I would like to have asymmetric layers...
2 Oct 4, 2006
5:27 pm

vp153
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I found an issue with the cvSaveImage that is part of the highgui library. The problem is that the api of cvSaveImage is: CVAPI(int) cvSaveImage( const char*...
2 Oct 4, 2006
1:16 pm

vp153
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Hi, I am using cvCalibrateCamera2 and cvUndistort2 to correct radial distortion deformation on images taken with a wide angle camera. I used a 8x10 chessboard...
1 Oct 4, 2006
12:40 pm

gregoryseront
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I already have OpenCV on my linux machine. But it has some bugs, for instance, cvTranspose does not work well. Someone suggested to get OpenCV CVS installed....
1 Oct 4, 2006
12:33 pm

Ajay
mishraka2002
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Hi, I've used the Haar feature detection functions in OpenCV for quite a while but still don't understand what each of the following fields ... Besides, I've...
1 Oct 4, 2006
11:34 am

Milan
tsdmilan
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Hi, I looked around a bit and I am not sure if OpenCV could solve me the following problem: Given a pair (or more) of images, taken from _almost_ the same...
1 Oct 4, 2006
9:31 am

towi
towi.geo
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Hi! It depends of what approach you are using to detect skin. If you are using a baysian approach you will have to get a database of training colors, obtain...
4 Oct 4, 2006
9:05 am

sharad shankar
sharad_shan
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Hi, I've a problem with threshold; practically, I must do a threshold of an image, but threshold isn't a costant value, but it varies for each pixel; ...
6 Oct 4, 2006
7:08 am

pivit80
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i am using vc now ,the camera is working and i can see the flow of picture,but i want save some frames of them ,how? could you give me an example? thank you...
1 Oct 4, 2006
7:04 am

alice_jingjinggeng
alice_jingji...
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Hi, I think thre is an error in the function cvCvtColor() of OpenCV rc1.0 libraries. Infact, when I do ... cvCvtColor(src,dst,CV_RGB2GRAY) ... I obtain dst...
3 Oct 4, 2006
6:18 am

margnat80
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Hi, Did anyone do a IplImage to Image ( ImageMagick) conversion before ? -best, Rahul...
1 Oct 4, 2006
6:09 am

Rahul Ray
rahul_iisc_1999
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Hi, I downloaded the library for blob analysis from OpenCV files and loaded it in VC++ When I use a single function like CBlobResult blobs; blobs =...
1 Oct 3, 2006
10:57 pm

abhisheksgumadi
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Hello everybody, is there someone experienced enough to haar training, to tell me if a three days time space to finish a training is too much time? I fed the...
2 Oct 3, 2006
10:33 pm

michael_p_horton
michael_p_ho...
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I have recieved contours and made a polygon approx. Now I need to find the HU moments (to match shape of the polygons). How can I do that? When I create a...
1 Oct 3, 2006
8:37 pm

johanhallenberg
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Hi all, I copy sample from documentation in opencv-0.9.9 and I gcc it. Sample does not work. Could you please check it, I could not find out problem. Result...
3 Oct 3, 2006
5:38 pm

max gorky
darth_goliat...
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