File size: 8,639 Bytes
ecc16d3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 | #!/usr/bin/env python3
"""
CNN Model Training Script
========================
Standalone script to train the CNN deblurring model with comprehensive options.
"""
import os
import sys
import argparse
import logging
from datetime import datetime
# Add modules to path
sys.path.append(os.path.dirname(os.path.abspath(__file__)))
from modules.cnn_deblurring import CNNDeblurModel, train_new_model, quick_train, full_train
# Configure logging
logging.basicConfig(
level=logging.INFO,
format='%(asctime)s - %(levelname)s - %(message)s',
handlers=[
logging.FileHandler(f'training_log_{datetime.now().strftime("%Y%m%d_%H%M%S")}.log'),
logging.StreamHandler()
]
)
logger = logging.getLogger(__name__)
def main():
"""Main training function with comprehensive options"""
parser = argparse.ArgumentParser(
description='Train CNN Deblurring Model',
formatter_class=argparse.RawDescriptionHelpFormatter,
epilog='''
Examples:
python train_cnn_model.py --quick # Quick training (500 samples, 10 epochs)
python train_cnn_model.py --full # Full training (2000 samples, 30 epochs)
python train_cnn_model.py --samples 1500 # Custom samples with default epochs
python train_cnn_model.py --samples 1000 --epochs 25 # Custom training
python train_cnn_model.py --test # Test existing model
'''
)
# Training modes
mode_group = parser.add_mutually_exclusive_group(required=True)
mode_group.add_argument('--quick', action='store_true',
help='Quick training (500 samples, 10 epochs)')
mode_group.add_argument('--full', action='store_true',
help='Full training (2000 samples, 30 epochs)')
mode_group.add_argument('--custom', action='store_true',
help='Custom training (specify --samples and --epochs)')
mode_group.add_argument('--test', action='store_true',
help='Test existing model performance')
# Training parameters
parser.add_argument('--samples', type=int, default=1000,
help='Number of training samples (default: 1000)')
parser.add_argument('--epochs', type=int, default=20,
help='Number of training epochs (default: 20)')
parser.add_argument('--batch-size', type=int, default=16,
help='Training batch size (default: 16)')
parser.add_argument('--validation-split', type=float, default=0.2,
help='Validation data split (default: 0.2)')
# Model parameters
parser.add_argument('--image-size', type=int, default=256,
help='Input image size (default: 256x256)')
# Data options
parser.add_argument('--use-existing-dataset', action='store_true', default=True,
help='Use existing dataset if available (default: True)')
parser.add_argument('--force-new-dataset', action='store_true',
help='Force creation of new dataset')
args = parser.parse_args()
# Print banner
print("π― CNN Deblurring Model Training")
print("=" * 40)
print(f"Timestamp: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}")
print()
# Ensure directories exist
os.makedirs("models", exist_ok=True)
os.makedirs("data/training_dataset", exist_ok=True)
try:
if args.test:
# Test existing model
print("π§ͺ Testing Existing Model")
print("-" * 30)
model = CNNDeblurModel()
if model.load_model(model.model_path):
print("β
Successfully loaded trained model")
# Evaluate model
print("π Evaluating model performance...")
metrics = model.evaluate_model()
if metrics:
print("\nπ Model Performance Metrics:")
print(f" Loss: {metrics['loss']:.4f}")
print(f" Mean Absolute Error: {metrics['mae']:.4f}")
print(f" Mean Squared Error: {metrics['mse']:.4f}")
# Performance interpretation
if metrics['loss'] < 0.01:
print("π Excellent performance!")
elif metrics['loss'] < 0.05:
print("π Good performance")
elif metrics['loss'] < 0.1:
print("β οΈ Fair performance - consider more training")
else:
print("π Poor performance - retrain recommended")
else:
print("β Failed to evaluate model")
else:
print("β No trained model found. Train a model first:")
print(" python train_cnn_model.py --quick")
return False
elif args.quick:
# Quick training
print("π Quick Training Mode")
print("-" * 30)
print("Configuration:")
print(f" Samples: 500")
print(f" Epochs: 10")
print(f" Expected time: ~10-15 minutes")
print()
model = quick_train()
elif args.full:
# Full training
print("π Full Training Mode")
print("-" * 30)
print("Configuration:")
print(f" Samples: 2000")
print(f" Epochs: 30")
print(f" Expected time: ~45-60 minutes")
print()
model = full_train()
elif args.custom:
# Custom training
print("π Custom Training Mode")
print("-" * 30)
print("Configuration:")
print(f" Samples: {args.samples}")
print(f" Epochs: {args.epochs}")
print(f" Batch Size: {args.batch_size}")
print(f" Validation Split: {args.validation_split}")
print(f" Image Size: {args.image_size}x{args.image_size}")
print(f" Use Existing Dataset: {not args.force_new_dataset}")
# Estimate training time
estimated_minutes = (args.samples * args.epochs) / 1000
print(f" Estimated time: ~{estimated_minutes:.1f} minutes")
print()
# Initialize model with custom parameters
input_shape = (args.image_size, args.image_size, 3)
model = CNNDeblurModel(input_shape=input_shape)
# Train with custom parameters
success = model.train_model(
epochs=args.epochs,
batch_size=args.batch_size,
validation_split=args.validation_split,
use_existing_dataset=not args.force_new_dataset,
num_training_samples=args.samples
)
if success:
print("β
Custom training completed successfully!")
# Evaluate model
metrics = model.evaluate_model()
if metrics:
print(f"π Final Model Performance:")
print(f" Loss: {metrics['loss']:.4f}")
print(f" MAE: {metrics['mae']:.4f}")
print(f" MSE: {metrics['mse']:.4f}")
else:
print("β Custom training failed!")
return False
# Final message
if not args.test:
print("\nπ Training Process Completed!")
print(f"π Model saved to: models/cnn_deblur_model.h5")
print(f"π Dataset saved to: data/training_dataset/")
print(f"π Training log: training_log_*.log")
print("\nπ You can now use the trained model in the main application!")
return True
except KeyboardInterrupt:
print("\nβ οΈ Training interrupted by user")
return False
except Exception as e:
logger.error(f"Training failed with error: {e}")
print(f"\nβ Training failed: {e}")
return False
if __name__ == "__main__":
success = main()
sys.exit(0 if success else 1) |