Quantcast
Channel: OpenCV Q&A Forum - Latest question feed
Browsing all 53 articles
Browse latest View live
↧

Combining 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 Article


How 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 Article


AttributeError: '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 Article

EM:: 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 Article

Add 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 Article


AttributeError: '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 Article

QT '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 Article

What 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 Article


Face 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 Article


OpenCV 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 Article

Face 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 Article

Accesing MS Access Face Database using OpenCV C++

Hello everyone, I am definitely new in OpenCV. I am current working on an automated attendance management system using face recognition. I completed the face detection part, now working on how to...

View Article

OpenCV Developer for Project needed

HI, I am afraid this is not the right place to ask, but maybe someone can reference me to a good place. My company develop Solutions to create customized Photobook Solutions. Some years ago we...

View Article


Facelandmarking

I am using DLib, which is very similar to OpenCV. I would like to detect different parts ( lips , nose) etc with it. Can anyone help.

View Article

OpenCV Developer for Project needed

HI, I am afraid this is not the right place to ask, but maybe someone can reference me to a good place. My company develop Solutions to create customized Photobook Solutions. Some years ago we...

View Article


Improving 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 Article

Help: 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 Article


Fastest 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 Article

To 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 Article

Face 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 Article
Browsing all 53 articles
Browse latest View live