Visual Neural Network recognizer that breaks up an image into digital image features (nose, mouth, etc) to improve accuracy in object recognition.
Questions tagged [haar-classifier]
412 questions
0
votes
1 answer
Applying Haar-like features to an image / defining the features
I know the general idea of haar-like features and how a shape is computed using the integral image.
However my question is, after defining a shape and computing the integral image how to get the feature.
Meaning, do I apply the shape on every…
user2457516
0
votes
1 answer
Haar feature implementation on OpenCv
Can someone explain me what the functions in haar.cpp file (in OpenCv) do? And which function actually does the Haar feature evaluation?
star_2014
- 3
- 1
- 4
0
votes
1 answer
Make haar feature scale
This is my code
import java.awt.image.BufferedImage;
public class HaarFeature {
public static void GetFeature(BufferedImage image){
int width = image.getWidth();
int height = image.getHeight();
//int…
user3724998
- 9
- 1
0
votes
1 answer
Using Haar Cascade Classifier in OpenCV to count cars in an aerial image of a parking lot
I am wanting to count the number of cars in aerial images of parking lots. After some research I believe that Haar Cascade Classifiers might be an option for this. An example of an image I will be using would be something similar to a zoomed in…
user3780620
- 11
- 1
0
votes
2 answers
Haar classifier for segmenting lips
I have tried building my own Haar for segmenting out lips. But I have not achieved very good results. Can I get any Haar for lips segmentation just like the one we have for eyes. I searched the internet for such haar but couldn't find one.
My aim is…
Sohan Philip
- 61
- 7
0
votes
1 answer
Open CV Haarcascades not working properly
I've written a code for face and eye detection that worked fine previously but now due to unknwon reasons, the program is having problems and a message is displayed that Your Project has stopped working... Please have a look at the following code…
Ahmed
- 2,176
- 5
- 26
- 40
0
votes
2 answers
OpenCV haartraining: Mergevec error: Input file does not exist or not readable
Following this tutorial, I've created my positive samples but need to merge them now, using mergevec. I downloaded the mergevec.exe binary file provided and got the two required dlls cxcore100.dll and highgui100.dll. However, when I run it like…
user961627
- 12,379
- 42
- 136
- 210
0
votes
1 answer
OpenCV Haar Classifier - how does it know when an object has been matched in live video
I have a trained OpenCV Haar Classifier, I am using the sample face detect program and supplying my classifier xml file as an argument. The program is working as expected, my question is how does the program know when the object has been…
Colin747
- 4,955
- 18
- 70
- 118
0
votes
1 answer
Time to train classifier
I want to train my own haar cascade and generate my own xml file. But I am a worried that it takes my whole time. I need to train the classifier for 5 profile images in order that it detects their nose and mouth in profile images. I want to know how…
Steph
- 609
- 3
- 13
- 32
0
votes
1 answer
using HAAR training for post-it note recognition
I need to be able to detect a variety of coloured post-it notes via a Microsoft Kinect video stream. I have tried using Emgucv for edge detection but it doesn't seem to locate the vertices/edges and also colour segmentation/detection however…
deez22
- 17
- 5
0
votes
1 answer
Open-cv haar trainer app
i am trying to train a classifier of an object. I have tried to train it in MATLAB and i am getting good results. But the generated output .xml file can't be used in open-cv. so can anyone tell me how can i use the MATLAB generated .xml file in…
user7526
- 39
- 3
0
votes
1 answer
Haartraining, Why do i keep getting the error "unable to read negative images"
The dat file showing where the negatives are is as shown…
Adam Wilson
- 281
- 2
- 15
0
votes
0 answers
Application for object recognition using kinect
I am working on a project to recognize objects with the Microsoft Kinect. I have decided to use Haartraining for recognition of items, for example: an apple. I obtain a .XML file that I've put my code in.
If I put a grape in front of the Kinect…
Victor Solorzano
- 35
- 7
0
votes
1 answer
Trying to create my Haartraining OpenCV
I'm trying to create my cascade classifier with this command:
haartraining -data haarcascade -vec samples.vec -bg negatives.dat -nstages 20 -nsplits 2 -minhitrate 0.999 -maxfalsealarm 0.5 -npos 1000 -nneg 600 -w 20 -h 20 -nonsym -mem 2048 -mode…
user2919607
- 143
- 1
- 6
0
votes
1 answer
Use different haar file in Marilena for AS3?
I'm using the Marilena port of OpenCV to AS3 and have it working fine with the included face.zip file that contains the haar cascade for a frontal face. I've downloaded some other haar xml files - one that finds the two eyes which is what I need.…
David Mennenoh
- 290
- 3
- 15