Hello all! I am trying to build a database of SURF features extracted from specific images. I just have a vague idea that to form a k-nn tree, all features...
83557
Maz
mazh003
Oct 4, 2011 10:47 am
Hi all, I have a quick question about the two files above that detect the internal corners of a chessboard. I was wondering whether the detection process is...
83558
konkop@...
konkop...
Oct 4, 2011 10:47 am
Ok so first I have a picture taken by a camera (always at some kind of an angle). And I need to crop the part out I want and perspective transform it. I have 2...
83559
monia Cheikhrouhou
monia.cheikh...
Oct 4, 2011 10:47 am
Good morning, SVP I need help! How can I resolve this problem???  [Linker error] undefined reference to `cv:: CascadeClassifier: CascadeClassifier ()...
83560
Jake
obrown.jake
Oct 4, 2011 10:48 am
Hi, In the function printImagePixels, you cast the pixelValue into int instead of unsigned char. The imageData of IplImage is a byte pointer, and byte is a...
83561
Mario Ynocente Castro
mario_ynocen...
Oct 4, 2011 10:48 am
I had to change to using SparseLib++ and IML++. 2011/9/29 asanka424 <asanka424@...> ... -- Mario Ynocente Castro Undergraduate Student of System...
83562
mohsen mohebbi
mohebbi_7610
Oct 4, 2011 10:48 am
Hello every body I am working with opencv2.3 and VS2010 and I took video frames from IP cameras but Now I have a problem about loading cascades to detect...
83564
wheisse
Oct 4, 2011 10:48 am
I need to solve the following problem: I have several pictures of a fixed camera and I want to find the best picture concerning sharpness and absence of motion...
83565
Rajesh Advani
rja_coding
Oct 4, 2011 10:48 am
Hi, I've been using cvCalcEigenObjects() to calculate the Eigen faces from a set of images. The method takes an array of IplImage as input. However, I see that...
83566
nwobhm79
Oct 4, 2011 10:48 am
I am sourcing someone to consult on a retail project to design an inexpensive (non dslr) and compact (smallest footprint possible) 360 degree 3D rig to capture...
83567
nwobhm79
Oct 4, 2011 10:48 am
I am sourcing someone to consult on a retail project to design an inexpensive (non dslr) and compact (smallest footprint possible) 360 degree 3D rig that will...
83568
Hokutomaru
marcio_hokut...
Oct 4, 2011 10:48 am
I've tried to implement this code in OpenCV, but I'm having a problem. Please, Is my code wrong? what's wrong? #include <cv.h> #include <vector> #include...
83569
wdevis80
Oct 4, 2011 10:48 am
Hello, I am an newbie of opencv. A few days ago I installed CodeBlocks and opencv libraries. I tried to do some program copied from the network as an example,...
83570
int2str
Oct 4, 2011 10:48 am
Hello OpenCV community! I'm trying to figure out if it would be feasible to use OpenCV for timing? The use case would be as following: - Place 2 [USB?] cameras...
83571
osmaneralp
Oct 4, 2011 10:48 am
... There are several good guides available. I wrote one with the beginner in mind. It's at http://ozbots.org/opencv-installation/. Another popular guide was...
83572
tian4renzhe
Oct 4, 2011 10:48 am
Hey everyone, I'm just getting started with OpenCV and I'm planning to build a robot with computer vision. I am looking to make this robot recognize classes of...
83573
thehandoftheking
thehandofthe...
Oct 4, 2011 10:48 am
This is a general vision question. Here is the vision problem for which I seek a solution: compute the (image coordinates of the) normal to a plane given a...
83574
rajnish_00
Oct 4, 2011 10:48 am
Dear OpenCV community, I thought this will be a useful announcement for those interested in applying vision for biometrics. The International Joint Conference...
83575
Richard Van Hook
admirald7s
Oct 4, 2011 10:48 am
I'm doing this as well right now, so I think I can help. My guess is that your range is wrong. The results of the disparity map are not inthe range you want...
83576
hulrae
Oct 4, 2011 10:48 am
After my problem I've been using cv::filter2D, and it works great, but it's not using any gpu code, and your code isnt either....
83577
Richard Van Hook
admirald7s
Oct 4, 2011 10:48 am
Actually, it's storing them properly. It's your printing that's off. Remember that data is a set of 1s and 0s, and we choose to interpret those bits in a...
83578
vincent_ravier
Oct 4, 2011 10:48 am
The only occurences of "CvvImage" I found in opencv2.3 are in the file corrimages.cpp to declare 4 variables (objects ?), and they are commented. Don't know...
83579
Shervin Emami
emami_s
Oct 4, 2011 11:13 am
This question is probably more suited to a 3D maths or 3D graphics group, but from what I gather, you could use 2 dot products with your 2D u & v axis vectors...
83580
Shervin Emami
emami_s
Oct 4, 2011 11:22 am
For the C++ interface: Mat::convertTo() " http://opencv.itseez.com/modules/core/doc/basic_structures.html#mat-convertto " For the C interface: cvConvertScale()...
83581
skbnerd
Oct 5, 2011 7:35 pm
Platform: Windows 7 OpenCV version: 2.3.1 (32-bit build) CUDA: 32-bit version installed I have a situation where I need to interact with the OpenCV part from...
83582
peopleschamp_me
Oct 5, 2011 7:51 pm
Hi, I am using .Net version of OpenCV which is EmguCV. I am having a problem while computing descriptors using SURF Detector and the Keypoints are detected by...
83583
skbnerd
Oct 5, 2011 8:33 pm
My problem is solved. While working on building the applications, I had the 64-bit DLLs for OpenCV in my PATH environmental variable that were ahead of the...
83584
Walter Lucetti
myzhar77
Oct 5, 2011 8:47 pm
I had a similar problem and I solved initializing correctly each keypoint field. How do you initialize the keypoint? +++++++++++++++++++++++++++++ Walter...
83585
peopleschamp_me
Oct 6, 2011 12:40 am
Hi, I am using MSER detector which stores keypoints in a array of structures and the same keypoints are being given for computing descriptors. Do we have to...
83586
rouge
rouge87roz
Oct 6, 2011 7:02 am
hi, I'm training a NN. For more information39;s I uncommented the line 917 in the ann_mlp.cpp File: printf("%d. E = %g\n", iter/count, E); now the output is show...