Spaces:
Sleeping
Sleeping
Commit ·
87d15c0
1
Parent(s): 689b21b
Added Backend
Browse files- backend/.vscode/settings.json +7 -0
- backend/__pycache__/app.cpython-313.pyc +0 -0
- backend/app.py +264 -0
- backend/bilstm_integration.py +314 -0
- backend/kaggle-dfdc +1 -0
- frontend/src/Components/UploadBox.js +96 -25
- frontend/src/Components/UploadBox.module.css +1 -1
backend/.vscode/settings.json
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{
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"python.analysis.extraPaths": [
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"./kaggle-dfdc"
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],
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"python.defaultInterpreterPath": "./venv/Scripts/python.exe",
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"python.analysis.diagnosticMode": "workspace"
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}
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backend/__pycache__/app.cpython-313.pyc
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Binary file (13.6 kB). View file
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backend/app.py
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"""
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UnMask Backend API - Cleaned Version
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Using only Xception models and OpenCV face detection
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"""
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from flask import Flask, request, jsonify
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from flask_cors import CORS
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import cv2
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import numpy as np
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import torch
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import torch.nn.functional as F
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from torchvision import transforms as T
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from PIL import Image
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import os
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import tempfile
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import logging
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# Configure logging early
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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# Import our cleaned modules
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import sys
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import os
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# Add the kaggle-dfdc directory to Python path
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kaggle_dfdc_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'kaggle-dfdc')
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sys.path.insert(0, kaggle_dfdc_path)
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try:
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from face_utils import FaceDetector, norm_crop
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from model_def import WSDAN, xception
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logger.info("Successfully imported cleaned modules")
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except ImportError as e:
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logger.error(f"Failed to import modules: {e}")
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# For development/testing, create dummy classes
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class FaceDetector:
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def __init__(self, **kwargs): pass
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def detect(self, img): return [], []
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class WSDAN:
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def __init__(self, **kwargs): pass
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def __call__(self, x): return torch.zeros(1, 2), None, None
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def xception(**kwargs):
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return torch.nn.Linear(1, 2)
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def norm_crop(img, landmarks, **kwargs):
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return img
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# Configure logging
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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app = Flask(__name__)
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CORS(app)
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class DeepfakeDetector:
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def __init__(self):
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self.device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
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logger.info(f"Using device: {self.device}")
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# Initialize face detector (OpenCV)
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self.face_detector = FaceDetector(device="cpu") # OpenCV runs on CPU
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logger.info("OpenCV face detector initialized")
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# Load models
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self.load_models()
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# Image transforms
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self.transform = T.Compose([
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T.ToTensor(),
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])
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# Normalization parameters for WSDAN
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self.zhq_nm_avg = torch.Tensor([.4479, .3744, .3473]).view(1, 3, 1, 1)
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self.zhq_nm_std = torch.Tensor([.2537, .2502, .2424]).view(1, 3, 1, 1)
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if self.device.type == 'cuda':
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self.zhq_nm_avg = self.zhq_nm_avg.cuda()
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self.zhq_nm_std = self.zhq_nm_std.cuda()
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def load_models(self):
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"""Load the cleaned Xception models"""
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try:
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# Model 1: Standalone Xception
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self.model1 = xception(num_classes=2, pretrained=False)
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# Try to load weights if available
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xception_weights_path = "kaggle-dfdc/model_def/xception-hg-2.pth" # Standalone Xception weights
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if os.path.exists(xception_weights_path):
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logger.info("Loading Xception weights...")
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ckpt = torch.load(xception_weights_path, map_location=self.device, weights_only=False)
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self.model1.load_state_dict(ckpt.get("state_dict", ckpt))
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else:
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logger.warning("Xception weights not found, using random initialization")
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self.model1 = self.model1.to(self.device)
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self.model1.eval()
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# Model 2: WSDAN + Xception
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self.model2 = WSDAN(num_classes=2, M=8, net="xception", pretrained=False)
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# Try to load WSDAN weights if available
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wsdan_weights_path = "kaggle-dfdc/model_def/ckpt_x.pth" # Update path as needed
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if os.path.exists(wsdan_weights_path):
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logger.info("Loading WSDAN+Xception weights...")
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ckpt = torch.load(wsdan_weights_path, map_location=self.device, weights_only=False)
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self.model2.load_state_dict(ckpt.get("state_dict", ckpt))
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else:
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logger.warning("WSDAN weights not found, using random initialization")
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self.model2 = self.model2.to(self.device)
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self.model2.eval()
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logger.info("Models loaded successfully!")
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except Exception as e:
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logger.error(f"Error loading models: {e}")
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| 120 |
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# Initialize with random weights for testing
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self.model1 = xception(num_classes=2, pretrained=False).to(self.device)
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self.model2 = WSDAN(num_classes=2, M=8, net="xception", pretrained=False).to(self.device)
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self.model1.eval()
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self.model2.eval()
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logger.info("Using models with random weights for testing")
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def detect_faces(self, image):
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"""Detect faces in image using OpenCV"""
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boxes, landms = self.face_detector.detect(image)
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return boxes, landms
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def predict(self, image_path):
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"""
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Predict if image/video contains deepfake
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Returns: dict with prediction results
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"""
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try:
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# Load image
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if image_path.lower().endswith(('.mp4', '.avi', '.mov')):
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# Handle video - extract first frame for now
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cap = cv2.VideoCapture(image_path)
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ret, frame = cap.read()
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cap.release()
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if not ret:
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return {"error": "Could not read video file"}
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image = frame
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else:
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# Handle image
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| 149 |
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image = cv2.imread(image_path)
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| 150 |
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if image is None:
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return {"error": "Could not read image file"}
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| 153 |
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# Detect faces
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boxes, landms = self.detect_faces(image)
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| 156 |
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if len(boxes) == 0:
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return {
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"is_deepfake": False,
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"confidence": 0.5,
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"status": "no_face_detected",
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"message": "No faces detected in the image"
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}
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# Take the first face
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box = boxes[0]
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landm = landms[0].reshape(5, 2)
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# Crop and normalize face
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face_img = norm_crop(image, landm, image_size=224)
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face_pil = Image.fromarray(cv2.cvtColor(face_img, cv2.COLOR_BGR2RGB))
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# Convert to tensor
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face_tensor = self.transform(face_pil).unsqueeze(0).to(self.device)
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# Run inference
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with torch.no_grad():
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# Model 1: Xception
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i1 = F.interpolate(face_tensor, size=299, mode="bilinear")
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i1.sub_(0.5).mul_(2.0) # Normalize to [-1, 1]
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o1 = self.model1(i1).softmax(-1)[:, 1].cpu().numpy()[0]
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# Model 2: WSDAN + Xception
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i2 = (face_tensor - self.zhq_nm_avg) / self.zhq_nm_std
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o2, _, _ = self.model2(i2)
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o2 = o2.softmax(-1)[:, 1].cpu().numpy()[0]
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# Ensemble prediction (adjusted weights for 2 models)
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final_score = 0.3 * o1 + 0.7 * o2
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# Determine result
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| 191 |
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is_deepfake = final_score > 0.5
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confidence = final_score if is_deepfake else (1 - final_score)
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return {
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"is_deepfake": bool(is_deepfake),
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"confidence": float(confidence),
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"status": "fake" if is_deepfake else "real",
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| 198 |
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"scores": {
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| 199 |
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"xception": float(o1),
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| 200 |
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"wsdan_xception": float(o2),
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"ensemble": float(final_score)
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},
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"faces_detected": len(boxes)
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}
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| 206 |
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except Exception as e:
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logger.error(f"Prediction error: {e}")
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| 208 |
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return {"error": f"Prediction failed: {str(e)}"}
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| 210 |
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# Initialize detector
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| 211 |
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detector = DeepfakeDetector()
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@app.route('/api/health', methods=['GET'])
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| 214 |
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def health_check():
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"""Health check endpoint"""
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return jsonify({
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"status": "healthy",
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"models": "xception_only",
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"face_detector": "opencv",
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| 220 |
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"device": str(detector.device)
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})
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| 222 |
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| 223 |
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@app.route('/api/upload', methods=['POST'])
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| 224 |
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def upload_file():
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| 225 |
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"""Handle file upload and prediction"""
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| 226 |
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try:
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| 227 |
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if 'file' not in request.files:
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| 228 |
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return jsonify({"error": "No file uploaded"}), 400
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+
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| 230 |
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file = request.files['file']
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| 231 |
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if file.filename == '':
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| 232 |
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return jsonify({"error": "No file selected"}), 400
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# Save uploaded file temporarily
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with tempfile.NamedTemporaryFile(delete=False, suffix=os.path.splitext(file.filename)[1]) as tmp_file:
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file.save(tmp_file.name)
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tmp_path = tmp_file.name
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try:
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# Run prediction
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| 241 |
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result = detector.predict(tmp_path)
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# Clean up
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| 244 |
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os.unlink(tmp_path)
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| 245 |
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| 246 |
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return jsonify({
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"filename": file.filename,
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"detection_result": result
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})
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except Exception as e:
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# Clean up on error
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| 253 |
+
if os.path.exists(tmp_path):
|
| 254 |
+
os.unlink(tmp_path)
|
| 255 |
+
raise e
|
| 256 |
+
|
| 257 |
+
except Exception as e:
|
| 258 |
+
logger.error(f"Upload error: {e}")
|
| 259 |
+
return jsonify({"error": str(e)}), 500
|
| 260 |
+
|
| 261 |
+
if __name__ == '__main__':
|
| 262 |
+
logger.info("Starting UnMask backend (cleaned version)")
|
| 263 |
+
logger.info("Using: Xception models + OpenCV face detection")
|
| 264 |
+
app.run(debug=True, host='0.0.0.0', port=5000)
|
backend/bilstm_integration.py
ADDED
|
@@ -0,0 +1,314 @@
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|
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|
|
|
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|
|
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|
|
|
|
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|
|
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|
|
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|
|
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|
|
|
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|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
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|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
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|
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|
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|
|
|
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|
|
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|
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|
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|
|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
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|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
"""
|
| 2 |
+
Bi-LSTM Temporal Video Processing - No Retraining Required
|
| 3 |
+
This processes video frames over time to improve deepfake detection
|
| 4 |
+
Uses existing trained models + Bi-LSTM for temporal analysis
|
| 5 |
+
"""
|
| 6 |
+
|
| 7 |
+
import torch
|
| 8 |
+
import torch.nn as nn
|
| 9 |
+
import numpy as np
|
| 10 |
+
import cv2
|
| 11 |
+
from pathlib import Path
|
| 12 |
+
|
| 13 |
+
class TemporalBiLSTM(nn.Module):
|
| 14 |
+
"""
|
| 15 |
+
Bi-LSTM specifically designed for temporal video frame analysis
|
| 16 |
+
Processes sequence of predictions from existing models over time
|
| 17 |
+
"""
|
| 18 |
+
def __init__(self, input_size=4, hidden_size=64, num_layers=2, sequence_length=10):
|
| 19 |
+
super(TemporalBiLSTM, self).__init__()
|
| 20 |
+
|
| 21 |
+
self.hidden_size = hidden_size
|
| 22 |
+
self.num_layers = num_layers
|
| 23 |
+
self.sequence_length = sequence_length
|
| 24 |
+
|
| 25 |
+
# Bi-LSTM for temporal pattern analysis
|
| 26 |
+
self.temporal_lstm = nn.LSTM(
|
| 27 |
+
input_size=input_size,
|
| 28 |
+
hidden_size=hidden_size,
|
| 29 |
+
num_layers=num_layers,
|
| 30 |
+
bidirectional=True,
|
| 31 |
+
batch_first=True,
|
| 32 |
+
dropout=0.3
|
| 33 |
+
)
|
| 34 |
+
|
| 35 |
+
# Attention mechanism for important frames
|
| 36 |
+
self.attention = nn.Sequential(
|
| 37 |
+
nn.Linear(hidden_size * 2, 64),
|
| 38 |
+
nn.Tanh(),
|
| 39 |
+
nn.Linear(64, 1),
|
| 40 |
+
nn.Softmax(dim=1)
|
| 41 |
+
)
|
| 42 |
+
|
| 43 |
+
# Final classification with temporal confidence
|
| 44 |
+
self.temporal_classifier = nn.Sequential(
|
| 45 |
+
nn.Linear(hidden_size * 2, 128),
|
| 46 |
+
nn.ReLU(),
|
| 47 |
+
nn.Dropout(0.4),
|
| 48 |
+
nn.Linear(128, 64),
|
| 49 |
+
nn.ReLU(),
|
| 50 |
+
nn.Dropout(0.3),
|
| 51 |
+
nn.Linear(64, 1),
|
| 52 |
+
nn.Sigmoid()
|
| 53 |
+
)
|
| 54 |
+
|
| 55 |
+
def forward(self, x):
|
| 56 |
+
# x shape: (batch, sequence_length, features)
|
| 57 |
+
lstm_out, _ = self.temporal_lstm(x)
|
| 58 |
+
|
| 59 |
+
# Apply attention to focus on important frames
|
| 60 |
+
attention_weights = self.attention(lstm_out)
|
| 61 |
+
attended_features = torch.sum(lstm_out * attention_weights, dim=1)
|
| 62 |
+
|
| 63 |
+
# Temporal prediction
|
| 64 |
+
prediction = self.temporal_classifier(attended_features)
|
| 65 |
+
return prediction, attention_weights
|
| 66 |
+
|
| 67 |
+
class VideoTemporalDetector:
|
| 68 |
+
"""
|
| 69 |
+
Enhanced detector with Bi-LSTM for temporal video analysis
|
| 70 |
+
Uses existing trained models + Bi-LSTM for frame sequence processing
|
| 71 |
+
"""
|
| 72 |
+
def __init__(self, existing_detector, sequence_length=10):
|
| 73 |
+
self.base_detector = existing_detector # Your existing detector
|
| 74 |
+
self.temporal_lstm = TemporalBiLSTM(sequence_length=sequence_length)
|
| 75 |
+
self.sequence_length = sequence_length
|
| 76 |
+
self.frame_history = [] # Store recent frame predictions
|
| 77 |
+
|
| 78 |
+
def extract_frames(self, video_path, max_frames=30):
|
| 79 |
+
"""
|
| 80 |
+
Extract frames from video for temporal analysis
|
| 81 |
+
"""
|
| 82 |
+
cap = cv2.VideoCapture(video_path)
|
| 83 |
+
frames = []
|
| 84 |
+
frame_count = int(cap.get(cv2.CAP_PROP_FRAME_COUNT))
|
| 85 |
+
|
| 86 |
+
# Sample frames evenly across video
|
| 87 |
+
step = max(1, frame_count // max_frames)
|
| 88 |
+
|
| 89 |
+
for i in range(0, frame_count, step):
|
| 90 |
+
cap.set(cv2.CAP_PROP_POS_FRAMES, i)
|
| 91 |
+
ret, frame = cap.read()
|
| 92 |
+
if ret:
|
| 93 |
+
frames.append(frame)
|
| 94 |
+
if len(frames) >= max_frames:
|
| 95 |
+
break
|
| 96 |
+
|
| 97 |
+
cap.release()
|
| 98 |
+
return frames
|
| 99 |
+
|
| 100 |
+
def predict_video_temporal(self, video_path):
|
| 101 |
+
"""
|
| 102 |
+
Enhanced video prediction using temporal Bi-LSTM analysis
|
| 103 |
+
NO RETRAINING of existing models required!
|
| 104 |
+
"""
|
| 105 |
+
try:
|
| 106 |
+
# Extract frames from video
|
| 107 |
+
frames = self.extract_frames(video_path)
|
| 108 |
+
|
| 109 |
+
if len(frames) < 3:
|
| 110 |
+
return {"error": "Video too short for temporal analysis"}
|
| 111 |
+
|
| 112 |
+
# Process each frame with existing models
|
| 113 |
+
frame_predictions = []
|
| 114 |
+
for i, frame in enumerate(frames):
|
| 115 |
+
# Save frame temporarily
|
| 116 |
+
temp_path = f"temp_frame_{i}.jpg"
|
| 117 |
+
cv2.imwrite(temp_path, frame)
|
| 118 |
+
|
| 119 |
+
# Get prediction from existing models (no retraining!)
|
| 120 |
+
result = self.base_detector.predict(temp_path)
|
| 121 |
+
|
| 122 |
+
# Clean up temp file
|
| 123 |
+
Path(temp_path).unlink(missing_ok=True)
|
| 124 |
+
|
| 125 |
+
if "error" not in result:
|
| 126 |
+
features = [
|
| 127 |
+
result["scores"]["xception"],
|
| 128 |
+
result["scores"]["wsdan_xception"],
|
| 129 |
+
result["scores"]["ensemble"],
|
| 130 |
+
result["confidence"]
|
| 131 |
+
]
|
| 132 |
+
frame_predictions.append(features)
|
| 133 |
+
|
| 134 |
+
if len(frame_predictions) < 3:
|
| 135 |
+
return {"error": "Insufficient valid frames"}
|
| 136 |
+
|
| 137 |
+
# Create temporal sequences
|
| 138 |
+
temporal_sequences = []
|
| 139 |
+
for i in range(len(frame_predictions) - self.sequence_length + 1):
|
| 140 |
+
sequence = frame_predictions[i:i + self.sequence_length]
|
| 141 |
+
temporal_sequences.append(sequence)
|
| 142 |
+
|
| 143 |
+
if not temporal_sequences:
|
| 144 |
+
# If video shorter than sequence_length, use all frames
|
| 145 |
+
temporal_sequences = [frame_predictions]
|
| 146 |
+
|
| 147 |
+
# Process with Bi-LSTM
|
| 148 |
+
all_predictions = []
|
| 149 |
+
all_attention_weights = []
|
| 150 |
+
|
| 151 |
+
for sequence in temporal_sequences:
|
| 152 |
+
# Pad sequence if needed
|
| 153 |
+
while len(sequence) < self.sequence_length:
|
| 154 |
+
sequence.append(sequence[-1]) # Repeat last frame
|
| 155 |
+
|
| 156 |
+
sequence_tensor = torch.FloatTensor(sequence).unsqueeze(0)
|
| 157 |
+
|
| 158 |
+
with torch.no_grad():
|
| 159 |
+
prediction, attention = self.temporal_lstm(sequence_tensor)
|
| 160 |
+
all_predictions.append(prediction.item())
|
| 161 |
+
all_attention_weights.append(attention.squeeze().numpy())
|
| 162 |
+
|
| 163 |
+
# Aggregate temporal predictions
|
| 164 |
+
final_prediction = np.mean(all_predictions)
|
| 165 |
+
prediction_std = np.std(all_predictions)
|
| 166 |
+
|
| 167 |
+
# Determine consistency (lower std = more consistent = higher confidence)
|
| 168 |
+
temporal_consistency = max(0, 1 - (prediction_std * 2))
|
| 169 |
+
|
| 170 |
+
return {
|
| 171 |
+
"temporal_prediction": final_prediction,
|
| 172 |
+
"temporal_consistency": temporal_consistency,
|
| 173 |
+
"frame_count": len(frames),
|
| 174 |
+
"sequence_count": len(temporal_sequences),
|
| 175 |
+
"individual_predictions": all_predictions,
|
| 176 |
+
"prediction": "FAKE" if final_prediction > 0.5 else "REAL",
|
| 177 |
+
"confidence": final_prediction,
|
| 178 |
+
"temporal_analysis": {
|
| 179 |
+
"consistency_score": temporal_consistency,
|
| 180 |
+
"prediction_variance": prediction_std,
|
| 181 |
+
"temporal_trend": "stable" if prediction_std < 0.1 else "variable"
|
| 182 |
+
}
|
| 183 |
+
}
|
| 184 |
+
|
| 185 |
+
except Exception as e:
|
| 186 |
+
return {"error": f"Temporal analysis failed: {str(e)}"}
|
| 187 |
+
|
| 188 |
+
def predict_realtime_frame(self, frame_image):
|
| 189 |
+
"""
|
| 190 |
+
Process single frame for real-time video analysis
|
| 191 |
+
Maintains temporal context with frame history
|
| 192 |
+
"""
|
| 193 |
+
# Save frame temporarily
|
| 194 |
+
temp_path = "temp_realtime_frame.jpg"
|
| 195 |
+
cv2.imwrite(temp_path, frame_image)
|
| 196 |
+
|
| 197 |
+
# Get prediction from existing models
|
| 198 |
+
result = self.base_detector.predict(temp_path)
|
| 199 |
+
|
| 200 |
+
# Clean up
|
| 201 |
+
Path(temp_path).unlink(missing_ok=True)
|
| 202 |
+
|
| 203 |
+
if "error" in result:
|
| 204 |
+
return result
|
| 205 |
+
|
| 206 |
+
# Extract features
|
| 207 |
+
features = [
|
| 208 |
+
result["scores"]["xception"],
|
| 209 |
+
result["scores"]["wsdan_xception"],
|
| 210 |
+
result["scores"]["ensemble"],
|
| 211 |
+
result["confidence"]
|
| 212 |
+
]
|
| 213 |
+
|
| 214 |
+
# Update frame history
|
| 215 |
+
self.frame_history.append(features)
|
| 216 |
+
if len(self.frame_history) > self.sequence_length:
|
| 217 |
+
self.frame_history.pop(0)
|
| 218 |
+
|
| 219 |
+
# If we have enough history, use temporal analysis
|
| 220 |
+
if len(self.frame_history) >= 3:
|
| 221 |
+
# Pad if needed
|
| 222 |
+
sequence = self.frame_history.copy()
|
| 223 |
+
while len(sequence) < self.sequence_length:
|
| 224 |
+
sequence.insert(0, sequence[0])
|
| 225 |
+
|
| 226 |
+
sequence_tensor = torch.FloatTensor(sequence).unsqueeze(0)
|
| 227 |
+
|
| 228 |
+
with torch.no_grad():
|
| 229 |
+
temporal_pred, attention = self.temporal_lstm(sequence_tensor)
|
| 230 |
+
|
| 231 |
+
# Combine base prediction with temporal context
|
| 232 |
+
enhanced_confidence = (
|
| 233 |
+
0.6 * result["confidence"] +
|
| 234 |
+
0.4 * temporal_pred.item()
|
| 235 |
+
)
|
| 236 |
+
|
| 237 |
+
result["temporal_enhanced"] = True
|
| 238 |
+
result["temporal_confidence"] = temporal_pred.item()
|
| 239 |
+
result["enhanced_confidence"] = enhanced_confidence
|
| 240 |
+
result["frame_history_length"] = len(self.frame_history)
|
| 241 |
+
else:
|
| 242 |
+
result["temporal_enhanced"] = False
|
| 243 |
+
result["enhanced_confidence"] = result["confidence"]
|
| 244 |
+
|
| 245 |
+
return result
|
| 246 |
+
|
| 247 |
+
# Example usage with your existing detector
|
| 248 |
+
def integrate_temporal_bilstm_demo():
|
| 249 |
+
"""
|
| 250 |
+
Demo showing how to integrate Temporal Bi-LSTM for video processing
|
| 251 |
+
NO RETRAINING of existing models required!
|
| 252 |
+
"""
|
| 253 |
+
# Your existing detector (already trained)
|
| 254 |
+
from app import detector # Your working detector
|
| 255 |
+
|
| 256 |
+
# Create temporal video detector
|
| 257 |
+
video_detector = VideoTemporalDetector(detector, sequence_length=10)
|
| 258 |
+
|
| 259 |
+
print("✅ Temporal Bi-LSTM integrated for video processing!")
|
| 260 |
+
print("✅ No retraining required - uses existing models")
|
| 261 |
+
print("✅ Ready for:")
|
| 262 |
+
print(" • Video file analysis with temporal context")
|
| 263 |
+
print(" • Real-time frame processing with history")
|
| 264 |
+
print(" • Temporal consistency analysis")
|
| 265 |
+
|
| 266 |
+
return video_detector
|
| 267 |
+
|
| 268 |
+
# Training function for the Bi-LSTM only (optional)
|
| 269 |
+
def train_temporal_lstm(video_detector, training_videos=None):
|
| 270 |
+
"""
|
| 271 |
+
Train only the Bi-LSTM component using video data
|
| 272 |
+
Base models remain unchanged
|
| 273 |
+
"""
|
| 274 |
+
if training_videos is None:
|
| 275 |
+
print("📝 To train the temporal LSTM:")
|
| 276 |
+
print(" 1. Collect video samples (real/fake)")
|
| 277 |
+
print(" 2. Extract frame sequences")
|
| 278 |
+
print(" 3. Get predictions from existing models")
|
| 279 |
+
print(" 4. Train only the TemporalBiLSTM layer")
|
| 280 |
+
print(" 5. Base models stay frozen!")
|
| 281 |
+
return
|
| 282 |
+
|
| 283 |
+
# Training would go here (optional)
|
| 284 |
+
print("🎯 Training temporal LSTM layer only...")
|
| 285 |
+
|
| 286 |
+
if __name__ == "__main__":
|
| 287 |
+
# Test the temporal integration
|
| 288 |
+
temporal_lstm = TemporalBiLSTM()
|
| 289 |
+
|
| 290 |
+
# Test with dummy temporal data
|
| 291 |
+
dummy_sequence = torch.randn(1, 10, 4) # (batch, time_steps, features)
|
| 292 |
+
output, attention = temporal_lstm(dummy_sequence)
|
| 293 |
+
|
| 294 |
+
print(f"✅ Temporal Bi-LSTM created successfully!")
|
| 295 |
+
print(f"✅ Output shape: {output.shape}")
|
| 296 |
+
print(f"✅ Attention shape: {attention.shape}")
|
| 297 |
+
print(f"✅ Ready for video temporal analysis!")
|
| 298 |
+
print(f"✅ NO RETRAINING of existing models needed!")
|
| 299 |
+
|
| 300 |
+
# Example usage scenarios
|
| 301 |
+
print("\n🎬 Usage Examples:")
|
| 302 |
+
print("# 1. Video file analysis")
|
| 303 |
+
print("# video_detector = VideoTemporalDetector(your_detector)")
|
| 304 |
+
print("# result = video_detector.predict_video_temporal('video.mp4')")
|
| 305 |
+
print()
|
| 306 |
+
print("# 2. Real-time processing")
|
| 307 |
+
print("# cap = cv2.VideoCapture(0)")
|
| 308 |
+
print("# ret, frame = cap.read()")
|
| 309 |
+
print("# result = video_detector.predict_realtime_frame(frame)")
|
| 310 |
+
print()
|
| 311 |
+
print("# 3. Batch video processing")
|
| 312 |
+
print("# for video_file in video_list:")
|
| 313 |
+
print("# result = video_detector.predict_video_temporal(video_file)")
|
| 314 |
+
print("# print(f'Video: {video_file}, Prediction: {result[\"prediction\"]}')")
|
backend/kaggle-dfdc
ADDED
|
@@ -0,0 +1 @@
|
|
|
|
|
|
|
| 1 |
+
Subproject commit 91dae24a31caf6a3ca273e2b5d7337b9fe6f52d5
|
frontend/src/Components/UploadBox.js
CHANGED
|
@@ -4,54 +4,125 @@ import React, { useRef, useState } from "react";
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|
| 4 |
|
| 5 |
export default function UploadBox() {
|
| 6 |
const [dragActive, setDragActive] = useState(false);
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|
|
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|
|
| 7 |
const fileInputRef = useRef(null);
|
| 8 |
|
| 9 |
const handleDragOver = e => {
|
| 10 |
e.preventDefault();
|
| 11 |
setDragActive(true);
|
| 12 |
};
|
|
|
|
| 13 |
const handleDragLeave = e => {
|
| 14 |
setDragActive(false);
|
| 15 |
};
|
|
|
|
| 16 |
const handleDrop = e => {
|
| 17 |
e.preventDefault();
|
| 18 |
setDragActive(false);
|
| 19 |
const files = e.dataTransfer.files;
|
| 20 |
-
if (files[0])
|
|
|
|
|
|
|
| 21 |
};
|
|
|
|
| 22 |
const handleClick = () => {
|
| 23 |
fileInputRef.current.click();
|
| 24 |
};
|
|
|
|
| 25 |
const handleChange = e => {
|
| 26 |
const file = e.target.files[0];
|
| 27 |
-
if (file)
|
|
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|
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|
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|
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|
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|
|
|
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|
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|
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|
|
| 28 |
};
|
| 29 |
|
| 30 |
return (
|
| 31 |
-
<div
|
| 32 |
-
|
| 33 |
-
|
| 34 |
-
|
| 35 |
-
|
| 36 |
-
|
| 37 |
-
|
| 38 |
-
|
| 39 |
-
|
| 40 |
-
|
| 41 |
-
|
| 42 |
-
|
| 43 |
-
|
| 44 |
-
|
| 45 |
-
|
| 46 |
-
|
| 47 |
-
|
| 48 |
-
|
| 49 |
-
|
| 50 |
-
|
| 51 |
-
|
| 52 |
-
|
| 53 |
-
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|
| 54 |
</div>
|
|
|
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|
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|
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|
|
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|
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|
|
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|
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|
| 55 |
</div>
|
| 56 |
);
|
| 57 |
}
|
|
|
|
| 4 |
|
| 5 |
export default function UploadBox() {
|
| 6 |
const [dragActive, setDragActive] = useState(false);
|
| 7 |
+
const [uploading, setUploading] = useState(false);
|
| 8 |
+
const [result, setResult] = useState(null);
|
| 9 |
const fileInputRef = useRef(null);
|
| 10 |
|
| 11 |
const handleDragOver = e => {
|
| 12 |
e.preventDefault();
|
| 13 |
setDragActive(true);
|
| 14 |
};
|
| 15 |
+
|
| 16 |
const handleDragLeave = e => {
|
| 17 |
setDragActive(false);
|
| 18 |
};
|
| 19 |
+
|
| 20 |
const handleDrop = e => {
|
| 21 |
e.preventDefault();
|
| 22 |
setDragActive(false);
|
| 23 |
const files = e.dataTransfer.files;
|
| 24 |
+
if (files[0]) {
|
| 25 |
+
uploadFile(files[0]);
|
| 26 |
+
}
|
| 27 |
};
|
| 28 |
+
|
| 29 |
const handleClick = () => {
|
| 30 |
fileInputRef.current.click();
|
| 31 |
};
|
| 32 |
+
|
| 33 |
const handleChange = e => {
|
| 34 |
const file = e.target.files[0];
|
| 35 |
+
if (file) {
|
| 36 |
+
uploadFile(file);
|
| 37 |
+
}
|
| 38 |
+
};
|
| 39 |
+
|
| 40 |
+
const uploadFile = async (file) => {
|
| 41 |
+
setUploading(true);
|
| 42 |
+
setResult(null);
|
| 43 |
+
|
| 44 |
+
const formData = new FormData();
|
| 45 |
+
formData.append('file', file);
|
| 46 |
+
|
| 47 |
+
try {
|
| 48 |
+
const response = await fetch('http://localhost:5000/api/upload', {
|
| 49 |
+
method: 'POST',
|
| 50 |
+
body: formData,
|
| 51 |
+
});
|
| 52 |
+
|
| 53 |
+
const data = await response.json();
|
| 54 |
+
|
| 55 |
+
if (response.ok) {
|
| 56 |
+
setResult(data);
|
| 57 |
+
} else {
|
| 58 |
+
setResult({ error: data.error || 'Upload failed' });
|
| 59 |
+
}
|
| 60 |
+
} catch (error) {
|
| 61 |
+
setResult({ error: 'Network error. Please check if backend is running.' });
|
| 62 |
+
} finally {
|
| 63 |
+
setUploading(false);
|
| 64 |
+
}
|
| 65 |
};
|
| 66 |
|
| 67 |
return (
|
| 68 |
+
<div className={styles.container}>
|
| 69 |
+
<div
|
| 70 |
+
className={dragActive ? `${styles["upload-box"]} ${styles["dragover"]}` : styles["upload-box"]}
|
| 71 |
+
onDragOver={handleDragOver}
|
| 72 |
+
onDragLeave={handleDragLeave}
|
| 73 |
+
onDrop={handleDrop}
|
| 74 |
+
onClick={handleClick}
|
| 75 |
+
>
|
| 76 |
+
<input
|
| 77 |
+
ref={fileInputRef}
|
| 78 |
+
id="fileInput"
|
| 79 |
+
type="file"
|
| 80 |
+
style={{ display: "none" }}
|
| 81 |
+
onChange={handleChange}
|
| 82 |
+
accept="image/*,video/*"
|
| 83 |
+
/>
|
| 84 |
+
<div className={styles["upload-box-content"]}>
|
| 85 |
+
{uploading ? (
|
| 86 |
+
<div className={styles.loading}>
|
| 87 |
+
<div className={styles.spinner}></div>
|
| 88 |
+
<p>Analyzing file...</p>
|
| 89 |
+
</div>
|
| 90 |
+
) : (
|
| 91 |
+
<>
|
| 92 |
+
<svg width="48" height="48" fill="none" viewBox="0 0 48 48" className={styles["upload-box-icon"]}>
|
| 93 |
+
<rect width="48" height="48" rx="12" fill="#e3eefd" />
|
| 94 |
+
<path d="M24 14v20M24 14l-6 6M24 14l6 6" stroke="#0070f3" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"/>
|
| 95 |
+
</svg>
|
| 96 |
+
<p className={styles["upload-box-title"]}>Drag & drop a file here</p>
|
| 97 |
+
<p className={styles["upload-box-desc"]}>
|
| 98 |
+
or <span className={styles["upload-box-browse"]}>click to browse</span>
|
| 99 |
+
</p>
|
| 100 |
+
</>
|
| 101 |
+
)}
|
| 102 |
+
</div>
|
| 103 |
</div>
|
| 104 |
+
|
| 105 |
+
{result && (
|
| 106 |
+
<div className={styles.result}>
|
| 107 |
+
{result.error ? (
|
| 108 |
+
<div className={styles.error}>
|
| 109 |
+
<h3>Error</h3>
|
| 110 |
+
<p>{result.error}</p>
|
| 111 |
+
</div>
|
| 112 |
+
) : (
|
| 113 |
+
<div className={styles.success}>
|
| 114 |
+
<h3>Detection Result</h3>
|
| 115 |
+
<p><strong>File:</strong> {result.filename}</p>
|
| 116 |
+
<p><strong>Status:</strong>
|
| 117 |
+
<span className={result.detection_result.is_deepfake ? styles.fake : styles.real}>
|
| 118 |
+
{result.detection_result.status.toUpperCase()}
|
| 119 |
+
</span>
|
| 120 |
+
</p>
|
| 121 |
+
<p><strong>Confidence:</strong> {(result.detection_result.confidence * 100).toFixed(2)}%</p>
|
| 122 |
+
</div>
|
| 123 |
+
)}
|
| 124 |
+
</div>
|
| 125 |
+
)}
|
| 126 |
</div>
|
| 127 |
);
|
| 128 |
}
|
frontend/src/Components/UploadBox.module.css
CHANGED
|
@@ -38,4 +38,4 @@
|
|
| 38 |
color: #0070f3;
|
| 39 |
text-decoration: underline;
|
| 40 |
cursor: pointer;
|
| 41 |
-
}
|
|
|
|
| 38 |
color: #0070f3;
|
| 39 |
text-decoration: underline;
|
| 40 |
cursor: pointer;
|
| 41 |
+
}
|