Shypd.aiThe largest open index of AI toolsttach is a PyTorch library for image Test Time Augmentation (TTA). It applies random modifications to test images and averages predictions to improve model performance, supporting various augmentation techniques.
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ttach is an open-source PyTorch library designed for Test Time Augmentation (TTA) in image processing tasks. Similar to data augmentation during training, TTA involves applying random modifications like flips, rotations, and scaling to test images. Instead of feeding a model a single 'clean' image, ttach allows users to show augmented versions multiple times, then averages the predictions from each augmented image to produce a more robust final output. The library provides wrappers for segmentation, classification, and keypoint detection models, along with a flexible `Compose` function for custom transform pipelines. It supports various merge modes for predictions, including mean, geometric mean, sum, max, and min, making it a versatile tool for enhancing model accuracy and stability during inference.
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