Hallo Everybody Can someone help me by informing me with the right functions to use to create eigenfaces and eigenspace? I tought I needed cvCalcCovarMatrix,...
23396
grishma soni
grishma_soni4
Nov 1, 2004 8:41 am
Can anybody help me out in finding the generalized eigen values and vector . for implementation of LDA. Pls give me book names or any site which all i should...
23397
crypticcrew
Nov 1, 2004 10:45 am
Hi everybody, i'm working on my college thesis,i want to register a sequence of frames extracted from a moving camera stream.In order to achieve this result i...
23398
morganiago
Nov 1, 2004 12:46 pm
Hi, reading the last version of haartraining.htm in \apps\HaarTraining92;doc, I found something that may interfere with positive samples, if not used properly: -...
23399
Philip Gruebele
pgruebele2000
Nov 1, 2004 1:40 pm
Looking at the values that cvFindContours() returns, it seems to me that it generally returns the bounding contour of a pixel blob. In other words, if I have...
23400
asclepix
Nov 1, 2004 1:44 pm
Hi all. Is there anyone of you who knows if there is an easy function in openCV that makes you understand the angle of a piece compared with a reference image?...
23401
koalear
Nov 1, 2004 2:50 pm
Dear all, I have installed opeCV into my computer. I have set the path of \bin and I have install cygwin. First, I use command prompt to compile a sample, but...
23402
Philip Gruebele
pgruebele2000
Nov 1, 2004 2:59 pm
Does anyone know what the behavior of cvSmooth() is around the image border (with CV_BLUR or CV_GAUSSIAN modes). On the image border, a MxN pixel region can...
23403
vp153
Nov 1, 2004 3:02 pm
Philip, In case of a single pixel cvFindContour() should always return 1-element sequence with any approximation method, and, as I remember, 0-element sequence...
23404
mapel_syrup
Nov 1, 2004 3:12 pm
i have a tutorial on setting up openCV in Visual Studio. email me at jamie3@... if u want it. ... \bin ... in...
23405
mapel_syrup
Nov 1, 2004 3:13 pm
yes i would love that. the reason why is because i want to compare the compression ratios between 3 channel (colour) and 1 channel (grayscale) video files. ...
23406
vp153
Nov 1, 2004 3:16 pm
It uses replication border mode in terms of IPL. That is, "virtual" pixels left to image are taken from the left-most pixel at the same row etc. All OpenCV...
23407
koalear
Nov 1, 2004 3:33 pm
How about in cygwin, I don't know how to do it, too..... ... all ... be ... do...
23408
Philip Gruebele
pgruebele2000
Nov 1, 2004 4:18 pm
Vadim, So should cvFindContour() return a contour which surrounds the blob perimeter, or one which overlaps the blob perimeter? You already mentioned that...
23409
Philip Gruebele
pgruebele2000
Nov 1, 2004 4:20 pm
Attached is my copy of cvcapp.cpp. It contains the 8bpp avi writer modification in addition to adding 1394 CAM support. For your purposes, please use only...
23410
Victoria Salmerÿf...
vsal5531
Nov 1, 2004 4:27 pm
Hi Jennie, Unfortunately I have no more than 4 images for calibration. The squares of my chessboard have 2.6 cm of side (2.6x2.6). I wolud like to ask you some...
23411
Philip Gruebele
pgruebele2000
Nov 1, 2004 4:39 pm
Vadim, cvFindContours() also does not find blobs which touch the image edge. It seems that it would be better or more correct if it did, no? Thanks Philip ......
23412
necati aktas
necati_aktas
Nov 1, 2004 6:53 pm
Hi,Do you know how can I change the pixel value given in x and y coordinates? Tux LR <tux_lr@...> wrote:I don't think so, you can access to a pixel with :...
23413
ENGR
callisto35ca
Nov 1, 2004 7:08 pm
Hi all, I'm wondering if anyone can recommend a framegrabber that can plug into a laptop? In the end, I'll be doing the processing with opencv, so anything...
23414
Philip Gruebele
pgruebele2000
Nov 1, 2004 7:19 pm
I would use DCAM firewire cameras. If you can get a laptop with a powered (6 pin) 1394 plug, that would be perfect. Philip ... From: ENGR...
23415
Marc Cymontkowski
montivision
Nov 1, 2004 9:31 pm
Hi, I would also go for a FireWire or USB2.0 camera. If you need to acquire analog video, i would prefer a video to FireWire converter like the following: ...
23416
juanwachs
Nov 1, 2004 9:52 pm
Dear OpenCV users: Is there any simple form of set the resolution of cvCam to 640x480 ??? I know that I can use the application: vidformat_sample, but it works...
23417
jen_n1e
Nov 1, 2004 10:46 pm
thats cool Here are my results using the correct size in cm distortion [ 246.213869 10.127734 122.926076 111.588597 ] cameraMatrix 246.213869 0.000000...
23418
jen_n1e
Nov 2, 2004 1:05 am
has any body got experince using this I would be most apreciative of guidence with it I want to be able to find the postion of the camera through out a...
23419
Philip Gruebele
pgruebele2000
Nov 2, 2004 1:06 am
Basically, USB gives you the cheapest cameras. However, it has the disadvantage of using more CPU because USB does not support DMA. 1394 transfers the images...
23420
Philip Gruebele
pgruebele2000
Nov 2, 2004 1:08 am
Basically, USB gives you the cheapest cameras. However, it has the disadvantage of using more CPU because USB does not support DMA. 1394 transfers the images...
23421
Hkruppa
hannes_kruppa
Nov 2, 2004 2:42 am
23422
Hkruppa
hannes_kruppa
Nov 2, 2004 3:51 am
23423
Hkruppa
hannes_kruppa
Nov 2, 2004 4:16 am
23424
necati_aktas
Nov 2, 2004 7:55 am
Hi I write the component labeling algo. in C++ but when It reads different images the program gives unknown software exception error.Is there any one who can...