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| import gradio as gr | |
| from transformers import pipeline | |
| from PIL import Image | |
| import pandas as pd | |
| import numpy as np | |
| import torch | |
| import torch.nn as nn | |
| import torchvision | |
| from torchvision import datasets, models, transforms | |
| from torch_mtcnn import detect_faces | |
| from torch_mtcnn import show_bboxes | |
| # pipeline = pipeline(task="image-classification", model="njgroene/fairface") | |
| def pipeline(img): | |
| bounding_boxes, landmarks = detect_faces(img) | |
| bb = [bounding_boxes[0,0], bounding_boxes[0,1], bounding_boxes[0,2], bounding_boxes[0,3]] | |
| img_cropped = img.crop(bb) | |
| device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu") | |
| model_fair_7 = torchvision.models.resnet34(pretrained=True) | |
| model_fair_7.fc = nn.Linear(model_fair_7.fc.in_features, 18) | |
| model_fair_7.load_state_dict(torch.load('res34_fair_align_multi_7_20190809.pt', map_location=torch.device('cpu'))) | |
| model_fair_7 = model_fair_7.to(device) | |
| model_fair_7.eval() | |
| trans = transforms.Compose([ | |
| transforms.Resize((224, 224)), | |
| transforms.ToTensor(), | |
| transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225]) | |
| ]) | |
| face_names = [] | |
| gender_scores_fair = [] | |
| age_scores_fair = [] | |
| gender_preds_fair = [] | |
| age_preds_fair = [] | |
| image = trans(img_cropped) | |
| image = image.view(1, 3, 224, 224) # reshape image to match model dimensions (1 batch size) | |
| image = image.to(device) | |
| # fair 7 class | |
| outputs = model_fair_7(image) | |
| outputs = outputs.cpu().detach().numpy() | |
| outputs = np.squeeze(outputs) | |
| gender_outputs = outputs[7:9] | |
| age_outputs = outputs[9:18] | |
| gender_score = np.exp(gender_outputs) / np.sum(np.exp(gender_outputs)) | |
| age_score = np.exp(age_outputs) / np.sum(np.exp(age_outputs)) | |
| gender_pred = np.argmax(gender_score) | |
| age_pred = np.argmax(age_score) | |
| gender_scores_fair.append(gender_score) | |
| age_scores_fair.append(age_score) | |
| gender_preds_fair.append(gender_pred) | |
| age_preds_fair.append(age_pred) | |
| result = pd.DataFrame([gender_preds_fair, | |
| age_preds_fair]).T | |
| result.columns = ['gender_preds_fair', | |
| 'age_preds_fair'] | |
| # gender | |
| result.loc[result['gender_preds_fair'] == 0, 'gender'] = 'Male' | |
| result.loc[result['gender_preds_fair'] == 1, 'gender'] = 'Female' | |
| # age | |
| result.loc[result['age_preds_fair'] == 0, 'age'] = '0-2' | |
| result.loc[result['age_preds_fair'] == 1, 'age'] = '3-9' | |
| result.loc[result['age_preds_fair'] == 2, 'age'] = '10-19' | |
| result.loc[result['age_preds_fair'] == 3, 'age'] = '20-29' | |
| result.loc[result['age_preds_fair'] == 4, 'age'] = '30-39' | |
| result.loc[result['age_preds_fair'] == 5, 'age'] = '40-49' | |
| result.loc[result['age_preds_fair'] == 6, 'age'] = '50-59' | |
| result.loc[result['age_preds_fair'] == 7, 'age'] = '60-69' | |
| result.loc[result['age_preds_fair'] == 8, 'age'] = '70+' | |
| return [result['gender'][0],result['age'][0]] | |
| def predict(image): | |
| predictions = pipeline(image) | |
| return "A " + predictions[0] + " in the age range of " + predictions[1] | |
| gr.Interface( | |
| predict, | |
| inputs=gr.inputs.Image(label="Upload a profile picture of a single person", type="pil"), | |
| outputs=("text"), | |
| title="Estimate age and gender from profile picture", | |
| examples=["ex0.jpg","ex1.jpg","ex2.jpg","ex3.jpg"] | |
| ).launch() |