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# Facial expression classifier
import os
from fastai.vision.all import *
import gradio as gr
# Emotion
learn_emotion = load_learner('emotions_vgg19.pkl')
learn_emotion_labels = learn_emotion.dls.vocab
# Predict
def predict(img):
img = PILImage.create(img)
pred_emotion, pred_emotion_idx, probs_emotion = learn_emotion.predict(img)
predicted_emotion = learn_emotion_labels[pred_emotion_idx]
return predicted_emotion
# Gradio
title = "Facial Emotion Detector"
description = gr.Markdown(
"""Ever wondered what a person might be feeling looking at their picture?
Well, now you can! Try this fun app. Just upload a facial image in JPG or
PNG format. You can now see what they might have felt when the picture
was taken.
**Tip**: Be sure to only include face to get best results. Check some sample images
below for inspiration!""").value
article = gr.Markdown(
"""**DISCLAIMER:** This model does not reveal the actual emotional state of a person. Use and
interpret results at your own risk!.
**PREMISE:** The idea is to determine an overall emotion of a person
based on the pictures. We are restricting pictures to only include close-up facial
images.
**DATA:** FER2013 dataset consists of 48x48 pixel grayscale images of faces.Images
are assigned one of the 7 emotions: Angry, Disgust, Fear, Happy, Sad, Surprise, and Neutral.
""").value
enable_queue=True
examples = ['happy1.jpg', 'happy2.jpg', 'angry1.png', 'angry2.jpg', 'neutral1.jpg', 'neutral2.jpg']
gr.Interface(fn = predict,
inputs = gr.Image( image_mode='L'),
outputs = [gr.Label(label='Emotion')], #gr.Label(),
title = title,
examples = examples,
description = description,
article=article,
allow_flagging='never').launch()
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