face recognition
Who tells me where to find the source (C ++) of a program to do face recognition from webcam. Including training needed to recognize faces in the video. I would not lose too much time because looking...
View ArticleCombining FisherFaces and LBPH to improve accuracy
Hi everyone, i’m trying to implement a face recognition system for a video surveillance application. In this context test images are low quality, illumination change from an image to another, and,...
View ArticleHow to reduce false positives for face detection
I'm using the `CascadeClassifier` object to detect faces in a video sequence, but I'm seeing a high rate of false positives. To combat this, I thought I would try to detect eye pairs within the ROI of...
View ArticleAttributeError: 'module' object has no attribute 'face'
Hi, I compiled the opencv with contrib modules in the cmake GUI and everything seems ok, but when I try to use face module (cv2.face) I receive the following message:> AttributeError: 'module'...
View ArticleEM:: OPENCV 2.4.11
Hi, i'm looking forward a simple tutorial that explains for noobs the Expectation Maximization, and how to implement it, to collect data from a picture for example, or real time camera. Thank you for...
View ArticleAdd a public function to face recognition src-file
I have a c++ program from where I can create a LBPHFaceRecognizer, train it with with data, send an image for prediction etc. But now I want to customize lbph_faces.cpp. I can change/add private stuff...
View ArticleAttributeError: 'module' object has no attribute 'face' OS X
I'm trying to build opencv with opencv_contrib on OS X. I will explain step-by-step what I did: 1. I downloaded the OpenCV 3.1 from: http://opencv.org/downloads.html 2. I also downloaded the...
View ArticleQT 'emit': undeclared identifier error after included
I'm using OpenCV with QT and trying to implement facial recognition but as soon as I include `` from the "contrib" branch, QT complains about `error: C2065: 'emit': undeclared identifier`. I've tried...
View ArticleWhat is the difference between Stump-based and Tree-based frontal face detector?
In the Opencv there are some haar cascades: - haarcascade_frontalface_alt.xml - Stump-based 20x20 gentle adaboost frontal face detector. Created by Rainer Lienhart. - haarcascade_frontalface_alt2.xml -...
View ArticleFace Detection Error OpenCV 3.1.0
I am trying to get started in opneCv and get learning but am running into problems in regards to face detection the code I have should detect faces I believe my linkages are fine can someone please...
View ArticleOpenCV Contrib Face module with Java wrapper - returning multiple predictions
I'm using [OpenCV Contrib Face module](https://github.com/Itseez/opencv_contrib/tree/master/modules/face) in Java. Java wrapper is automatically generated from C++ source code based on...
View ArticleFace Detection example how to run in android 64 bits
RHi, I runned face detection example in a android 32 bits without problem, but i want to run it in a android 64 bits, but show error at loading opencv library, is there a way? thnks. Regards, Juan
View ArticleImproving face recognition accuracy
I'm working on a Face Recognition program using `Opencv 3.1` with `Python 3` on `Linux` and I'm trying to increase recognition accuracy as much as I can. **My issue:** The confidence values between...
View ArticleHelp: Face Recognition using LBP confused with unknown Faces
Hello everyone, I try to use this face recognition code below which I found on one of the Opencv documentation, but I have a problem when a new person face who is not in the recognition database is...
View ArticleFastest way to track multiple faces?
Hi, everyone! I am doing a project that the program can detect faces in the video. And you know in detection, it could not always find a face during the whole process, so i want to use tracking to...
View ArticleTo distinguish a false face from the real face
Hello to everyone, I have a questition for face recognition How do I distinguish a real human face from a photo? Is something like this possible? This is really important for face verification. I...
View ArticleFace Recognition
i want to write a program which can compare a real time face with the saved photos in the database. Something like this but in Java: https://youtu.be/yFSPnu6_TZY
View Articleface.predict error in cv3 python 2.7
The following code works in cv2, but neither predict line works in cv3: recognizer = cv2.face.createLBPHFaceRecognizer(radius=2, neighbors=16, grid_x=3, grid_y=3) (prediction, conf) =...
View ArticleProblem with knn
Hi there, Im using OpenCV 2.4.12 with Visual Studio 2012. I am trying to classify facial image based 3 age groups. i have extracted the features using PCA in image form. Below is my PCA code. I need...
View ArticleHow I can extract a face features as vector
Hello! I use OpenCV with Python to detect faces in images (with Haar cascade detector). Everything work fine, but I have a question. How I can extract a face features and put them into vector or...
View ArticleWhich face landmarks do the 68 points of dlib correspond to?
Which face landmarks do the 68 points of dlib correspond to? I've looked for several tutorials online and it seems that they just somehow know where each of the points are in the array... Also, some...
View Articlei have this Error: Assertion failed (scn == 3 || scn == 4) in cv::cvtColor
i'm trying to face detect and motion detect for my internship... here is my code.... public class FaceDetect { private Button cameraButton, cropButton, pictureButton, close, compare; private ImageView...
View ArticleHow to merge new LBP training to existing one?
Hi, I have done several implementations of face recognition and currently working with LBP training models. I can create LBP face training models and call the FaceRecognizer update() to append new...
View ArticleFace Tracking, pupils detection, Face rotation
I need to track eye direction. Is there any solution/api to detects pupils? Is there any known solution for tracking face rotation/direction changes. Thanks!
View ArticleUnable to track faces. How to update trackers ???
I am doing a multiple faces detection & tracking. But the trackers are not updating properly. The code runs without errors when compiling. During runtime I get the below message (not error tho)...
View ArticleWhat file do I include to use the FaceRecognizer class in the iOS framework?
Hi, I'm trying to implement the Face Recognizer class using the instructions I found [here](http://docs.opencv.org/trunk/da/d60/tutorial_face_main.html) I noticed it includes a file called...
View ArticleI want to estimate age using face recognition
If you know the source code or method to recognize wrinkles or estimate age, please answer. Thank you
View ArticleFace detection using Cascade Classifier in opencv pyhton
I'm trying to run the face detection code . But unable to fix the error . Help me to fix it . Thanks in advance Find the code below import numpy as np import cv2 face_cascade =...
View ArticleHow to construct a 3d face from 2d images in openCV?
Hello I'd like to know what openCV offers nowadays to construct a 3d face starting from 2d images. I found a similar post on the openCV forum which is now already 4 years old...
View ArticleFace Recognition error line 1010
I am a beginner in opencv project. I'm learning the tutorial in this link [link text](http://docs.opencv.org/2.4/modules/contrib/doc/facerec/tutorial/facerec_video_recognition.html) I try to solve...
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