Hi I have a problem creating the camshift filter . I recompiled the source code supplied in opencv using DX 8 + win 98 The compilation passes ok with no...
Bob Davies Thanks for your help. I read this routine before and tried to use it to work out the value of the cross. But i failed. My problem is how can i...
I think that region labelling and feature extraction functions are missing in OpenCV. These are functions very useful which I use very often. But there is a ...
Hi all, I'have just begun using OpenCv, I have problem with BMP_IPL_IO contributed work. When I tried to open a 2 color image (black & white) It returned...
Hi, everyone, I tried to use the demo named CamshiftDemo but found a problem. A messageBox shows up and tells me that "can't create CamShift filter". Did...
Sorry, sloppy wording...right now in OpenCV, the watershed algorithm is left as an excercise to the readers :-). But the pieces are there. Now, slightly less...
Rob There already is much support for OCR within OpenCV: There is the watershed algorithm and morphological operations for noise reduction and thinning; There...
Hi, We have just started using opencv-0.3.4 on linux 2.2.14-15(mandrake). We were able to run the Canny edge detector successfully. We then tried to run some...
Hi I have some questions: - why functions cvCreateImageHeader and cvCreateImage returns integers (not IplImage), this function return integers and halts my...
Hi, In "Cv.h", the function cvInitLineIterator is declared: CVLAPI( int, cvInitLineIterator, ( IplImage* img, CvPoint pt1, CvPoint pt2, CvLineIterator*...
Hi I'm involved in a project that includes visual collision avoidance. I have a camera connected on a moving human and the system needs to advise him where are...
There may be someone would like to see LkDemo work under VFW. Here are the files I modified just for that. It works fine. You may want to add a property...
Hi! I was testing the "camshift"; filter, but it seems to have a bug: if while using it, everything has skin color disappears from the scene (which can happen...
Dear All, I am postgraduate students in biomechanics and I have just subscribed for a group. I am trying to write down code for calculation of fundamental...
Hi, In OpenCV there are several functions (especially memory releasing ones) that accept a type** as argument. Why is this done? Is the pointer actually...
Serge, just by way of teaching others who are also new: If something simple goes wrong...it's been discussed. Go to the message page on egroups: ...
Hi, How can I use OpenCV to do the Morphological Operations like "Thinning";, "Thickening", "Skeletonization" and "Hit-andMiss Transform"? Thanx, Adi...
Hi, Using OpenCV 0.3.4 under Linux 2.2.16 on a Pentium III causes the error "Illegal instruction" and a program termination, when using several library...
Hello, does anybody of you has an idea how i acn overlay a direct show video renderer window with gdi objects. i tried to draw on the video window but it...
Hi all, I have tried out DirectX 8.0 which includes Direct Show. In my program I use a simple Filter Graph (Source, ProxyTrans and Null Renderer). The problem...
Hello, Does somebody know, if there is a Linux version of IPL 2.5 out there? And if so, does it work with OpenCV 0.3.4 ? Thanks for your help, Sebastian....
Hi, I am trying to get the value of brightness, contrast ect. from VideoProcAmpProperty(Direct show), but i failed. Is there anyone who can teach me how to do...
I'm trying to use the cvCornerEigenValsAndVecs function but I get an application error exception that states that there is an access violation (0x0000005),...
I have several problems when using CalibFilter (with OpenCV Alpha 0.3.4). Specifically, 1. It has severe memory leak -- about 0.5 MB/s. It only leaks when it...
Hi, What is the most efficient way to do the dot product of 2 8U images? Assuming the values are between 0-255 the results (per pixel) may be up to 2^16=65K. ...
