Face Mask Detection is a project to determine whether someone is wearing mask or not, using deep neural network.

Related tags

Deep Learningopencvmachine-learningdeep-neural-networkslivestreamtensorflowkerascnnface-detectionobject-detectionmulti-face-recognitioncovid-19mask-detection
Overview

face-mask-detection

Face Mask Detection is a project to determine whether someone is wearing mask or not, using deep neural network. It contains 3 scripts that provides training new model, testing model with specific images and live face mask detection.
The gif below shows how live face mask detection works.

Result gif

This model has trained with 10k face images (5k without mask and 5k with mask - dataset sources are mentioned in dataset section) using 3 layers of 2d CNN as main process. (the complete summary of model layers is given below) 
Model: "sequential"                                               
_________________________________________________________________ 
Layer (type)                 Output Shape              Param #    
================================================================= 
rescaling (Rescaling)        (None, 180, 180, 3)       0          
_________________________________________________________________ 
conv2d (Conv2D)              (None, 180, 180, 16)      448        
_________________________________________________________________ 
max_pooling2d (MaxPooling2D) (None, 90, 90, 16)        0          
_________________________________________________________________ 
conv2d_1 (Conv2D)            (None, 90, 90, 32)        4640       
_________________________________________________________________ 
max_pooling2d_1 (MaxPooling2 (None, 45, 45, 32)        0          
_________________________________________________________________ 
conv2d_2 (Conv2D)            (None, 45, 45, 64)        18496      
_________________________________________________________________ 
max_pooling2d_2 (MaxPooling2 (None, 22, 22, 64)        0          
_________________________________________________________________ 
flatten (Flatten)            (None, 30976)             0          
_________________________________________________________________ 
dense (Dense)                (None, 128)               3965056    
_________________________________________________________________ 
dense_1 (Dense)              (None, 2)                 258        
================================================================= 
Total params: 3,988,898                                           
Trainable params: 3,988,898                                       
Non-trainable params: 0                                           
_________________________________________________________________

This model has reached fantastic result of 0.9990 accuracy with test dataset( 20% ). moreover, it only takes 10 epochs to reach this result. As the graph below illustrates, from the very first epoch, accuracy is more than 0.98 and by 10th epoch, loss roughly touchs 10e-7 that is a great result.

loss_acc

usage

Currently, there is not any argument parser available, so if you want change any default variable, you can change variables in configurations section at the begining of each script. schema is given below.

DATASET_PATH = "./dataset/" # to provide dataset, create a directory containing all classes as a directory
# and put images to relevant class. ex:
# dataset --> no_mask --> img1, img2, ...
#             correct_mask --> img1, img2, ...
OUTPUT_MODEL_PATH = 'saved_model/my_model' # output file to save model
OUTPUT_WEIGHTS_PATH = 'saved_weight/my_checkpoint2' # output file to save model's weights
EPOCHS = 10 # number of epochs
BATCH_SIZE = 32 # bach size
IMG_HEIGHT = 180 # image height
IMG_WIDTH = 180 # image width

To train a new model, after changing the configuration above, just run:

python train_model.py

To test the trained model with some specific images, run:

python test_model.py img1.jpg img2.jpg ....

At last, to run live detection mode, run:

python live_detection.py

dataset

The dataset we have used, is the combination of Flickr-Faces-HQ (FFHQ) dataset and MaskedFace-Net dataset. 5k images from each dataset. (summation of both datasets is more than 180k images)

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