:hurtrealbad:C# Face detection and recognition with EmguCV. Eigenfaces, Fisherfaces and LBPH algorithms.

License: Apache License 2.0

C# 100.00%

opencv face-detection face-recognition image-processing csharp emgucv

face-detection-and-recognition's Introduction

Face Detection and Recognition with C# EmguCV

What is Emgu CV?

Emgu CV is a cross platform .Net wrapper to the OpenCV image processing library. Allowing OpenCV functions to be called from .NET compatible languages such as C#, VB, VC++, IronPython etc. The wrapper can be compiled by Visual Studio, Xamarin Studio and Unity, it can run on Windows, Linux, Mac OS X, iOS, Android and Windows Phone.

Algorithms

Blog post for Haar Cascade Classifier
Blog post for Eigenfaces, Fisherfaces, LBPH
Image Processing and Computer Vision Documentation Project (EN, TR)

Eigenfaces refers to an appearance-based approach to face recognition that seeks to capture the variation in a collection of face images and use this information to encode and compare images of individual faces in a holistic (as opposed to a parts-based or feature-based) manner.

Specifically, the eigenfaces are the principal components of a distribution of faces, or equivalently, the eigenvectors of the covariance matrix of the set of face images, where an image with N pixels is considered a point (or vector) in N-dimensional space. The idea of using principal components to represent human faces was developed by Sirovich and Kirby (Sirovich and Kirby 1987) and used by Turk and Pentland (Turk and Pentland 1991) for face detection and recognition.

The Eigenface approach is considered by many to be the first working facial recognition technology, and it served as the basis for one of the top commercial face recognition technology products. Since its initial development and publication, there have been many extensions to the original method and many new developments in automatic face recognition systems. Eigenfaces is still often considered as a baseline comparison method to demonstrate the minimum expected performance of such a system.

The Viola–Jones object detection framework is the first object detection framework to provide competitive object detection rates in real-time proposed in 2001 by Paul Viola and Michael Jones. Although it can be trained to detect a variety of object classes, it was motivated primarily by the problem of face detection.

Requirements

Visual Studio
Min EmguCV 2.2.1

Hot to Run?

Download or clone project

git clone https://github.com/mesutpiskin/face-detection-and-recognition.git

Update the ./Config.cs file to change configuration settings.
Build and run project with Visual Studio (Suggested 2017+ version)

Video

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face-detection-and-recognition's Issues

Not able to make this work.

Hello @mesutpiskin, I am trying to make this project work but no success. I have put all required dependency in build folder and project is getting compiled too but then one or other exception. Most of them are some inner exception or bad image exception. It looks like dependency files used here are not either correct format or version.

Can you please share some area where I can get all dependency files to make project work?

Thanks.

Browser webcam

Thank you guys!!

I want to recognize face using browser's webcam, how to integrate that? Can you please let me know

ToBitmap() method is not Found!

I'm trying to run the project but
'Image<Gray, byte>' does not contain a definition for 'ToBitmap' and no accessible extension method 'ToBitmap' accepting a first argument of type 'Image<Gray, byte>' could be found (are you missing a using directive or an assembly reference?) FaceDetectionAndRecognition.

got this error message.

it can't be predict unknown person

excellent work & beautiful codes..

but why it can not be predict unknwon person?

add one person(name is A), and when other person(B) is on the cam,
this recognizer predict that is A! (truly, it's B)

what way to predict unknown person like B?

when i added multiple person(ex. 10 peoples) and the new person(11st person) is on the cam,
recognizer is show random names in the added person.
(they are not similar never)

Not able to make it works

im new to it .
when I try it on my win7(vs2015 .. )
it just said some thing wrong ..
like : "The type "Gray","Bar" must be a non-nullable value type in order to use it as parameter in the generic type or method " It really puzzle me .. help me plz ..

Working code

HI,,

I downloaded your code and it worked fine without any errors,

but it is not recognicing any faces,

what can I do to check it and make it work please

thanx

Walter

Unable to use

Hi,
I managed to create the form and have it start but how do i get it to work as per your video?
Regards
Lee

FaceList.txt

Hello, thanks for your work.
I am trying to run to start making some tests...I got a problem on FaceList.txt because the file is not into your project. Can you explain what is the content ?

I plan using some facial detection with a App based on Xamarin forms. My intention is take a picture using the mobile phone and then, send the picture to the server, wich will detect who is that guy. But first of all, I am checking your code.

mesutpiskin / face-detection-and-recognition Goto Github PK