Skip to search.

Breaking News Visit Yahoo! News for the latest.

×Close this window

OpenCV · Open Source Computer Vision Library

The Yahoo! Groups Product Blog

Check it out!

Group Information

  • Members: 48147
  • Category: Open Source
  • Founded: Jun 20, 2000
  • Language: English
? Already a member? Sign in to Yahoo!

Yahoo! Groups Tips

Did you know...
Real people. Real stories. See how Yahoo! Groups impacts members worldwide.

Messages

Advanced
Messages Help
Messages 23395 - 23424 of 90774   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand Author Sort by Date ^
23395 wes_lor Send Email Nov 1, 2004
8:23 am
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 Send Email
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 Send Email 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 Send Email Nov 1, 2004
12:46 pm
Hi, reading the last version of haartraining.htm in \apps\HaarTraining&#92;doc, I found something that may interfere with positive samples, if not used properly: -...
23399 Philip Gruebele
pgruebele2000 Send Email
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 Send Email 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 Send Email 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 Send Email
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 Send Email 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 Send Email 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 Send Email 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 Send Email 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 Send Email 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 Send Email
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 Send Email
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 Send Email
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 Send Email
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 Send Email
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 Send Email
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 Send Email
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 Send Email
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 Send Email 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 Send Email 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 Send Email 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 Send Email
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 Send Email
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 Send Email
Nov 2, 2004
2:42 am
23422 Hkruppa
hannes_kruppa Send Email
Nov 2, 2004
3:51 am
23423 Hkruppa
hannes_kruppa Send Email
Nov 2, 2004
4:16 am
23424 necati_aktas Send Email 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...
Messages 23395 - 23424 of 90774   Oldest  |  < Older  |  Newer >  |  Newest
Add to My Yahoo!      XML What's This?

Copyright © 2010 Yahoo! Inc. All rights reserved.
Privacy Policy - Terms of Service - Guidelines NEW - Help