70 lines
2.0 KiB
Python
70 lines
2.0 KiB
Python
import torch
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import cv2
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import torchvision.transforms as transforms
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import argparse
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from model import CNNModel
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# construct the argument parser
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parser = argparse.ArgumentParser()
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parser.add_argument('-i', '--input',
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default='',
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help='path to the input image')
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args = vars(parser.parse_args())
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# the computation device
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device = ('cuda' if torch.cuda.is_available() else 'cpu')
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# list containing all the class labels
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labels = [
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'bean', 'bitter gourd', 'bottle gourd', 'brinjal', 'broccoli',
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'cabbage', 'capsicum', 'carrot', 'cauliflower', 'cucumber',
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'papaya', 'potato', 'pumpkin', 'radish', 'tomato'
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]
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# initialize the model and load the trained weights
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model = CNNModel().to(device)
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checkpoint = torch.load('outputs/model.pth', map_location=device)
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model.load_state_dict(checkpoint['model_state_dict'])
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model.eval()
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# define preprocess transforms
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transform = transforms.Compose([
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transforms.ToPILImage(),
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transforms.Resize(224),
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transforms.ToTensor(),
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transforms.Normalize(
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mean=[0.5, 0.5, 0.5],
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std=[0.5, 0.5, 0.5]
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)
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])
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# read and preprocess the image
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image = cv2.imread(args['input'])
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# get the ground truth class
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gt_class = args['input'].split('/')[-2]
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orig_image = image.copy()
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# convert to RGB format
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image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
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image = transform(image)
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# add batch dimension
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image = torch.unsqueeze(image, 0)
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with torch.no_grad():
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outputs = model(image.to(device))
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output_label = torch.topk(outputs, 1)
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pred_class = labels[int(output_label.indices)]
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cv2.putText(orig_image,
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f"GT: {gt_class}",
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(10, 25),
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cv2.FONT_HERSHEY_SIMPLEX,
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0.6, (0, 255, 0), 2, cv2.LINE_AA
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)
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cv2.putText(orig_image,
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f"Pred: {pred_class}",
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(10, 55),
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cv2.FONT_HERSHEY_SIMPLEX,
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0.6, (0, 0, 255), 2, cv2.LINE_AA
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)
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print(f"GT: {gt_class}, pred: {pred_class}")
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cv2.imshow('Result', orig_image)
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cv2.waitKey(0)
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cv2.imwrite(f"outputs/{gt_class}{args['input'].split('/')[-1].split('.')[0]}.png",
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orig_image) |