PyTorch is a versatile framework for computer vision tasks like image classification, object detection, and image segmentation. To begin, install PyTorch and torchvision (pip install torch torchvision). Torchvision provides access to pre-trained models like ResNet, Faster R-CNN, or DeepLabV3, which can be fine-tuned for specific tasks. The first step in any computer vision task is preparing the dataset. Use PyTorch’s torch.utils.data.DataLoader and torchvision.transforms for loading and preprocessing images. Common transformations include resizing, cropping, and normalizing. For example, you can use torchvision.datasets.ImageFolder to organize datasets in a directory structure. Define your model by selecting a pre-trained architecture or building a custom one. Training involves defining a loss function, such as cross-entropy for classification or IoU for segmentation, and optimizing with algorithms like Adam or SGD. Monitor the training process using metrics and adjust hyperparameters to improve performance. After training, save and deploy your model for inference. PyTorch supports exporting models to formats like ONNX for deployment across different platforms. Its flexibility makes it a popular choice for developing applications in areas like healthcare, autonomous vehicles, and augmented reality.
How to use PyTorch for computer vision tasks?
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