https://github.com/nazanin1369/eignfaces

Faces recognition example using eigenfaces and SVMs
https://github.com/nazanin1369/eignfaces

classification-report eigenfaces machine-learning pca

Last synced: 5 days ago
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Faces recognition example using eigenfaces and SVMs

• Host: GitHub
• URL: https://github.com/nazanin1369/eignfaces
• Owner: Nazanin1369
• Created: 2016-10-20T18:28:57.000Z (over 9 years ago)
• Default Branch: master
• Last Pushed: 2016-10-22T02:57:53.000Z (over 9 years ago)
• Last Synced: 2025-02-25T06:33:25.146Z (over 1 year ago)
• Topics: classification-report, eigenfaces, machine-learning, pca
• Language: Jupyter Notebook
• Homepage:
• Size: 315 KB
• Stars: 1
• Watchers: 1
• Forks: 2
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
## eignFaces

### Compute a PCA (eigenfaces) on the face dataset

    n_samples: 760

    n_features: 1850

    n_classes: 3

### Extracting the top 150 eigenfaces from 570 faces

    done in 0.157s

### Projecting the input data on the eigenfaces orthonormal basis

    done in 0.017s

### Calculationg PCA components' Variance:

    Variance explained by the first principal component:  0.18954512666

    Variance explained by the second principal component: 0.155786516991

### PCA #components and f1_score relation - classification Report

         

n_components| x  |  precision |  recall |  f1-score | support

-----|------------------|------|-------|-------|----

  10 | Donald Rumsfeld  | 0.54 | 0.61  |  0.57 | 36

 15  | Donald Rumsfeld  | 0.69 | 0.56  |  0.62 | 36

 50  | Donald Rumsfeld  | 0.97 |  0.86 |  0.91 | 36

 150 | Donald Rumsfeld  | 0.86 |  0.86 |  0.86 | 36

 250 | Donald Rumsfeld  | 0.83 |  0.83 |  0.83 | 36

### Fitting the classifier to the training set

    done in 3.839s

### Best estimator found by grid search:

    SVC(C=1000.0, cache_size=200, class_weight='balanced', coef0=0.0,

    decision_function_shape=None, degree=3, gamma=0.001, kernel='rbf',

    max_iter=-1, probability=False, random_state=None, shrinking=True,

    tol=0.001, verbose=False)

### Predicting the people names on the testing set

    done in 0.010s

### Classification Report

                   | precision |   recall | f1-score  | support

------------------ | ----------| ----------|------------|------

  Donald Rumsfeld |      0.91  |    0.83   |   0.87     |   36

    George W Bush  |      0.91  |    0.98  |    0.94    |   123

Gerhard Schroeder  |     0.96   |   0.77   |   0.86    |    31

      avg / total   |    0.92   |   0.92  |    0.91    |   190

### Confusion_matrix

[[ 30   6   0]

 [  2 120   1]

 [  1   6  24]]

 

### Results

![alt tag](https://github.com/Nazanin1369/eignFaces/blob/master/figure_1.png)

![alt tag](https://github.com/Nazanin1369/eignFaces/blob/master/figure_2.png)