Vit / vit_model_test.py

Update vit_model_test.py

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import torch
import torch.nn as nn
from torch.utils.data import Dataset, DataLoader
from torchvision import transforms
from transformers import ViTForImageClassification
import os
import pandas as pd
from sklearn.model_selection import train_test_split
from sklearn.metrics import accuracy_score, precision_score, confusion_matrix, f1_score, average_precision_score, recall_score
import matplotlib.pyplot as plt
import seaborn as sns

# פונקציה להחזרת HTML של סרטון
def display_video(video_url):
    return f'''
    <iframe width="640" height="480" src="{video_url}" frameborder="0" allowfullscreen></iframe>
    '''

def shuffle_and_split_data(dataframe, test_size=0.2, random_state=59):
    shuffled_df = dataframe.sample(frac=1, random_state=random_state).reset_index(drop=True)
    train_df, val_df = train_test_split(shuffled_df, test_size=test_size, random_state=random_state)
    return train_df, val_df    

if __name__ == "__main__":
    # Check for GPU availability
    device = torch.device('cuda')

    # Load the pre-trained ViT model and move it to GPU
    model = ViTForImageClassification.from_pretrained('google/vit-base-patch16-224').to(device)

    model.classifier = nn.Linear(model.config.hidden_size, 2).to(device)
    
    # Define the image preprocessing pipeline
    preprocess = transforms.Compose([
        transforms.Resize((224, 224)),
        transforms.ToTensor()
    ])

    # Load the test dataset
    test_real_folder = 'datasets/test_set/real/'
    test_fake_folder = 'datasets/test_set/fake/'
    
    test_set = labeling(test_real_folder, test_fake_folder)
    test_dataset = CustomDataset(test_set, transform=preprocess)
    test_loader = DataLoader(test_dataset, batch_size=32)

    # Load the trained model
    model.load_state_dict(torch.load('trained_model.pth'))

    # Evaluate the model
    model.eval()
    true_labels = []
    predicted_labels = []

    # קישור לסרטון ביוטיוב
    video_url = 'https://www.youtube.com/embed/vGRq060nPYU'  # החלף ב-URL של הסרטון שלך
    video_html = display_video(video_url)

    # הראי את הסרטון לפני החיזוי
    print(video_html)  # זה אמור להציג את ה-HTML בדשבורד שלך

    with torch.no_grad():
        for images, labels in test_loader:
            images, labels = images.to(device), labels.to(device)

            # הראה את הסרטון בעת חיזוי
            print(video_html)  # הצג את ה-HTML של הסרטון

            outputs = model(images)
            logits = outputs.logits  # Extract logits from the output
            _, predicted = torch.max(logits, 1)
            true_labels.extend(labels.cpu().numpy())
            predicted_labels.extend(predicted.cpu().numpy())

    # Calculate evaluation metrics
    accuracy = accuracy_score(true_labels, predicted_labels)
    precision = precision_score(true_labels, predicted_labels)
    cm = confusion_matrix(true_labels, predicted_labels)
    f1 = f1_score(true_labels, predicted_labels)
    ap = average_precision_score(true_labels, predicted_labels)
    recall = recall_score(true_labels, predicted_labels)

    print(f"Test Accuracy: {accuracy:.2%}")
    print(f"Precision: {precision:.2%}")
    print(f"F1 Score: {f1:.2%}")
    print(f"Average Precision: {ap:.2%}")
    print(f"Recall: {recall:.2%}")

    # Plot the confusion matrix
    plt.figure(figsize=(8, 6))
    sns.heatmap(cm, annot=True, fmt='d', cmap='Blues', cbar=False)
    plt.xlabel('Predicted Labels')
    plt.ylabel('True Labels')
    plt.title('Confusion Matrix')
    plt.show()

	import torch
	import torch.nn as nn
	from torch.utils.data import Dataset, DataLoader
	from torchvision import transforms
	from transformers import ViTForImageClassification
	import os
	import pandas as pd
	from sklearn.model_selection import train_test_split
	from sklearn.metrics import accuracy_score, precision_score, confusion_matrix, f1_score, average_precision_score, recall_score
	import matplotlib.pyplot as plt
	import seaborn as sns

	# פונקציה להחזרת HTML של סרטון
	def display_video(video_url):
	return f'''
	<iframe width="640" height="480" src="{video_url}" frameborder="0" allowfullscreen></iframe>
	'''

	def shuffle_and_split_data(dataframe, test_size=0.2, random_state=59):
	shuffled_df = dataframe.sample(frac=1, random_state=random_state).reset_index(drop=True)
	train_df, val_df = train_test_split(shuffled_df, test_size=test_size, random_state=random_state)
	return train_df, val_df

	if __name__ == "__main__":
	# Check for GPU availability
	device = torch.device('cuda')

	# Load the pre-trained ViT model and move it to GPU
	model = ViTForImageClassification.from_pretrained('google/vit-base-patch16-224').to(device)

	model.classifier = nn.Linear(model.config.hidden_size, 2).to(device)

	# Define the image preprocessing pipeline
	preprocess = transforms.Compose([
	transforms.Resize((224, 224)),
	transforms.ToTensor()
	])

	# Load the test dataset
	test_real_folder = 'datasets/test_set/real/'
	test_fake_folder = 'datasets/test_set/fake/'

	test_set = labeling(test_real_folder, test_fake_folder)
	test_dataset = CustomDataset(test_set, transform=preprocess)
	test_loader = DataLoader(test_dataset, batch_size=32)

	# Load the trained model
	model.load_state_dict(torch.load('trained_model.pth'))

	# Evaluate the model
	model.eval()
	true_labels = []
	predicted_labels = []

	# קישור לסרטון ביוטיוב
	video_url = 'https://www.youtube.com/embed/vGRq060nPYU' # החלף ב-URL של הסרטון שלך
	video_html = display_video(video_url)

	# הראי את הסרטון לפני החיזוי
	print(video_html) # זה אמור להציג את ה-HTML בדשבורד שלך

	with torch.no_grad():
	for images, labels in test_loader:
	images, labels = images.to(device), labels.to(device)

	# הראה את הסרטון בעת חיזוי
	print(video_html) # הצג את ה-HTML של הסרטון

	outputs = model(images)
	logits = outputs.logits # Extract logits from the output
	_, predicted = torch.max(logits, 1)
	true_labels.extend(labels.cpu().numpy())
	predicted_labels.extend(predicted.cpu().numpy())

	# Calculate evaluation metrics
	accuracy = accuracy_score(true_labels, predicted_labels)
	precision = precision_score(true_labels, predicted_labels)
	cm = confusion_matrix(true_labels, predicted_labels)
	f1 = f1_score(true_labels, predicted_labels)
	ap = average_precision_score(true_labels, predicted_labels)
	recall = recall_score(true_labels, predicted_labels)

	print(f"Test Accuracy: {accuracy:.2%}")
	print(f"Precision: {precision:.2%}")
	print(f"F1 Score: {f1:.2%}")
	print(f"Average Precision: {ap:.2%}")
	print(f"Recall: {recall:.2%}")

	# Plot the confusion matrix
	plt.figure(figsize=(8, 6))
	sns.heatmap(cm, annot=True, fmt='d', cmap='Blues', cbar=False)
	plt.xlabel('Predicted Labels')
	plt.ylabel('True Labels')
	plt.title('Confusion Matrix')
	plt.show()