Hi Gary , Gabe! First, thank you for the detailed bug report for Kalman code. We've already fixed the bug. The correct version will be available soon. As for...
56
Pisarevsky, Vadim
Vadim.Pisarevsky@...
Jul 4, 2000 6:38 pm
The following functions take into account image origin: cvSobel, cvCalcMotionGradient. Other functions process images independently from origin. When a...
57
Bradski, Gary
gary.bradski@...
Jul 6, 2000 1:09 am
Scott, I've added you to the newsgroups -- you would have been added tommorrow anyhow, but they limit me to 100 new members/day -- an anti-spam feature. In...
58
Robert Wagner
wagner@...
Jul 6, 2000 3:24 pm
Where can one obtain the Direct X 6.0 SDK for NT 4.0? Microsoft only seems to have the 6.1 SDK available for download, which has components that will not work...
59
Pisarevsky, Vadim
Vadim.Pisarevsky@...
Jul 7, 2000 11:12 am
Bob, You do not need DirectX SDK for NT 4.0 to compile and run DirectShow filters. You need only DirectX Media SDK (version 5.x or 6.x), that can be downloaded...
60
Bradski, Gary
gary.bradski@...
Jul 7, 2000 5:56 pm
Vadim Is there a prefered way of accessing members of a cvMatrix? It seems like there should be at least a macro for doing this. Or else, a simple object. ...
61
Bradski, Gary
gary.bradski@...
Jul 7, 2000 6:07 pm
In the manual cvSetImageROI lists void cvSetImageCOI(...,int coi) Gary...
62
Bradski, Gary
gary.bradski@...
Jul 7, 2000 6:38 pm
If your image is set with an ROI in: void cvGoodFeaturesToTrack( IplImage* image, IplImage* eigImage, IplImage* tempImage, CvPoint2D32f* corners, int*...
63
Bradski, Gary
gary.bradski@...
Jul 7, 2000 9:43 pm
... template. ... will ... Correct, it only supports rectangular ROI on single channel images. For now you will have to split the image into planes via...
64
Dieter Koller
koller@...
Jul 7, 2000 9:47 pm
Hi, I successfully installed OpenCV and within minutes was able to calibrate just a simple USB camera with Grphedit. Great stuff! I now want to use the...
65
Pisarevsky, Vadim
Vadim.Pisarevsky@...
Jul 10, 2000 9:38 am
Gary, Yes, the output coordinates are always counted out from ROI origin. eigImage and tempImage are used entirely (ROI is ignored) and they must be of the...
66
Pisarevsky, Vadim
Vadim.Pisarevsky@...
Jul 10, 2000 10:11 am
Gary, Yannis, Because color version of the function can't be expressed easily as combination of results from separate channels (for normed comparison methods),...
67
Bradski, Gary
gary.bradski@...
Jul 10, 2000 6:54 pm
Since we/I have been getting several of these: If you find a bug or have a problem with the *image* processing library, the right place to send it is: ...
68
Lotan, Itay
itay.lotan@...
Jul 10, 2000 11:11 pm
function: "cvRodrigues_64d" When passing in rotVect = (0, 0, 0), the function performs divisions by 0 and returns junk instead of returning the identity...
69
Lotan, Itay
itay.lotan@...
Jul 11, 2000 4:20 pm
When using matrices it is often useful to be able to perform operations on a part of the matrix. For example. 1. multiplying a 10x7 part of matrix A times a...
70
Gen-Nan Chen
gnchen@...
Jul 11, 2000 4:27 pm
Hi! Is there anyone knowing which camera has DirectShow filter support? Gen-Nan...
71
Bradski, Gary
gary.bradski@...
Jul 11, 2000 5:01 pm
Gen-Nan Do you mean, "which 'USB' camera"? Also, which operating system? Most USB cameras have USB support or at least direct show automagically uses a Video...
72
Gen-Nan Chen
gnchen@...
Jul 11, 2000 5:30 pm
Gary, I mean which USB camera. I have a 3com home connect VideoCam. However, like you said, there is no output pins on Windows 2000. That is why I ask which...
73
Pisarevsky, Vadim
Vadim.Pisarevsky@...
Jul 11, 2000 5:33 pm
Hi! Intel Create & Share camera has DirectShow support, which is built in into Win2K (probably, Win98 as well). With 3Com USB cameras situation is rather...
74
Gen-Nan Chen
gnchen@...
Jul 11, 2000 7:42 pm
RE: [OpenCV] Camera supporting DirectShowHi! Vadim, I also have a frame grabber with VFW driver installed in my system. However, like 3com's camera, it also...
75
Gen-Nan Chen
gnchen@...
Jul 11, 2000 7:54 pm
RE: [OpenCV] Camera supporting DirectShowVadim, The filter you attached works pretty well. Thanks. Gen-Nan ... From: Pisarevsky, Vadim To: 'OpenCV@egroups.com'...
76
Small, Daniel
desmall@...
Jul 11, 2000 10:11 pm
Gen-Nan, Vadim, I noticed the same problem of no output pins on the SGI 320 boatanchor (oops, I mean outdated NT box), and I was able to get the output pins to...
77
Gen-Nan Chen
gnchen@...
Jul 12, 2000 12:12 am
Hi! Dan, Your trick works 100% perfect. Gen-Nan ... From: "Small, Daniel" <desmall@...> To: "'Pisarevsky, Vadim '" <Vadim.Pisarevsky@...>; ...
78
Ross Cutler
rgc@...
Jul 12, 2000 2:51 am
... support? ... I have developed a WDM driver for the Sony DFW-VL500 camera, and I'm currently developing a WDM driver for all of Sony's 1394 cameras. These...
79
Christopher R. Wren
cwren@...
Jul 12, 2000 1:37 pm
I get the same behavior under GraphEdt on Windows2000, but at the API level I have no problem. I've been building a DirectShow acquisition module on top of the...
80
Bouguet, Jean-Yves
jean-yves.bouguet@...
Jul 12, 2000 6:12 pm
Hi, It is generally not possible to compute the 3D coordinates of a set of points if you only have their 2D image projections on a single image. A dimension...
81
Holler, Mark
mark.holler@...
Jul 12, 2000 9:10 pm
Itay, Good issue, Bring it up in the group meeting tomorrow. Mark ... From: Lotan, Itay [mailto:itay.lotan@...] Sent: Tuesday, July 11, 2000 9:05 AM To:...
82
Bradski, Gary
gary.bradski@...
Jul 12, 2000 9:43 pm
Vadim/team Could you answer, I've never tried doing this in code. Gary ... From: M.Strnad@... [mailto:M.Strnad@...] Sent: Wednesday, July 12,...
83
Bradski, Gary
gary.bradski@...
Jul 13, 2000 12:35 am
cvCreateImageHeader gives you an image header where align is set to 4 (IPL_ALIGN_DWORD), rather than 8 (IPL_ALIGN_QWORD). If you then allocate data aligned to...
