Hi, I have used Microsoft Visual C++ 2008 and OpenCV 2.0. To install OpenCV 2.0 I have used the procedure described in ...
73369
raul.chitic
Sep 1, 2010 9:53 am
Hi, why is it better to convert a rgb image to hsv color space in order to detect skin color? (like in the opencv camshift-example)...
73370
Walter Lucetti
myzhar77
Sep 1, 2010 10:52 am
Because HSV space has information about COLOR in one of the channel. HSV stands for Hue, Saturation and Value. Hue is the color Saturation is the "quantity"; of...
73371
ahuber3987
Sep 1, 2010 1:26 pm
Hi, i want to compute the Histogram of oriented gradients (HOG) for some images and found out that cvhog.cpp should have implemented what I need ( I don't want...
73372
dollypeewee
Sep 1, 2010 1:39 pm
Hello, I have implemented face detection onto the window forms application in visual c++. My form is able to detect faces from image files, video files and...
73373
J H
dahoc3150
Sep 1, 2010 1:54 pm
Hi, the HOG descriptor has a size of 3780 for a picture size of 64*128 pixels and default winstride (the overlap of detecting window, default Size(8,8)), ...
73374
Robin Hewitt
get_imaginary
Sep 1, 2010 2:42 pm
Awhile back someone pointed out that cvRound() can only execute on Intel platforms. Might want to check that.... - Robin ________________________________ From:...
73375
maria.torresvega
maria.torres...
Sep 1, 2010 3:04 pm
hello, I have been investigating into JPEG2000 with OpenCV in the last couple of days. My task was to load a jpeg image (obtained from a camera) and convert it...
73376
Eduard Shpigelman
eduard.shpig...
Sep 1, 2010 4:16 pm
It is very strange but the same program runs on same platform without problem when I use OpenCV 2.1. Eduard 2010/9/1 Robin Hewitt <get_imaginary@...>...
73377
Andriy Y
my_livejournal
Sep 1, 2010 4:21 pm
So here it is: I've build the opencv, copied code from examples, compiled app. The code is: cv::VideoCapture cap(0); if( !cap.isOpened() ) { std::cout <<...
73378
Shervin Emami
emami_s
Sep 1, 2010 4:23 pm
If you read the source code of cvRound(), to run fast it actually has many possible implementations depending on the system and how OpenCV was compiled, so...
73379
cvftn
Sep 1, 2010 4:54 pm
Hello, Is there any explanation for this problem? The lost in precision is relatively small e-009 but it may be important. The lost is not always present for...
73380
aubin.patrick
Sep 1, 2010 4:57 pm
Hi, We are trying openCV to calibrate the intrinsic parameters of our camera. We tried (2) free software : camcal.exe and camchecker.exe. Both seem to work...
73382
Sven Utcke
sven.utcke@...
Sep 1, 2010 9:01 pm
... Well, actually you would need S and V in order to figure out if the H value made any sense (very low and very high V means that the H is essentially...
73383
Sven Utcke
sven.utcke@...
Sep 1, 2010 9:16 pm
... Well, the classifier isn't used continuously, but at several different resolutions. if the "true" resolution is somewhere in between two of the resolutions...
73384
Walter Lucetti
myzhar77
Sep 2, 2010 6:24 am
I made it easiest ;) I agree that Lab space is the better to make color confrontation, but you have to know camera and light parameters to make thinks better....
73391
eduard.shpigelman
eduard.shpig...
Sep 2, 2010 9:00 am
Hi, To study the algorithm of the cvExtractSURF function, I have extracted this function from file cvsurf.cpp (OpenCV 2.1), giving it the name of the...
73392
ali_karaali
Sep 2, 2010 9:49 am
Hi folks, I can't find any reason why the code2 works well but code1 doesn't. <code1> std::string filename = "haarcascade_frontalface_alt2.xml"; ...
73393
Jlister Lister
jnext2000
Sep 2, 2010 1:50 pm
Hi! Can someone tell me how to go about blurring part of an image in OpenCV? I've loaded an image using cvLoad. I then apply cvSmooth on the image, but...
73394
stfnksr
Sep 2, 2010 2:22 pm
Hi there, Im writing some cv::Mat objects and some double values into a XML file, works nice but I'm not interested in 64bit precision. When I round a value...
73395
Sylvia
schmitt.sylvia
Sep 2, 2010 3:37 pm
I thought that the copy constructor should create a new copy of the input image, but regarding the following example, changes on the image matCopy_1 result in...
73396
Mohamed Ikbel Boulabiar
mibcjsmt
Sep 2, 2010 4:08 pm
Hi, Is there any huge difference between the use of HSV and YCrCb color spaces to do skin color segmentation ? Who has tested the 2 color spaces for this and...
73398
Jappy
jappy22
Sep 2, 2010 6:22 pm
cvSetImageROI then cvSmooth......
73399
Sven Utcke
sven.utcke@...
Sep 2, 2010 7:52 pm
Hello Mohamed, ... Didn't we have pretty much the same question only yesterday? Skin color segmentation basically relies on the H value. Using YCrCb means you...
73400
miztaken
justjunktome
Sep 2, 2010 8:25 pm
Basically i am trying to do MHI in openCV. For most of the video files it works correctly where as for some of the video files i get following exception. ...
73401
faisal saeed
faisal_inam2005
Sep 2, 2010 8:30 pm
There is some problem inside the function parameter may be the size or type is not same inside the function parameters Best regards ...
73402
miztaken
justjunktome
Sep 2, 2010 8:48 pm
for a given movie (avi) file, can a size or type vary in two adjacent frames? i have collected lots of avi files using same approach but i am encountering this...
73403
Sven Utcke
sven.utcke@...
Sep 2, 2010 8:50 pm
... Learn about computers? http://docs.python.org/tutorial/floatingpoint.html http://steve.hollasch.net/cgindex/coding/ieeefloat.html 58.74 as an 4-byte float...
73404
bak.adrien
Sep 2, 2010 9:10 pm
IMHO you are using some color related function, and size/type of the source does not match destination....
73405
stfnksr
Sep 2, 2010 9:49 pm
... very kind and, above all, astonishing useful ... nope I guess I'll just replace the writeReal output with a string output with self defined precision. ... ...
