# fiftyone.brain.internal.core.duplicates Duplicates methods. Copyright 2017-2026, Voxel51, Inc.
[voxel51.com](https://voxel51.com/)

**Functions:** | [`compute_near_duplicates`](#fiftyone.brain.internal.core.duplicates.compute_near_duplicates)(samples[, ...]) | See `fiftyone/brain/__init__.py`. | |-----------------------------------------------------------------------------------------------------------------|-------------------------------------| | [`compute_exact_duplicates`](#fiftyone.brain.internal.core.duplicates.compute_exact_duplicates)(samples, ...) | See `fiftyone/brain/__init__.py`. | ### fiftyone.brain.internal.core.duplicates.compute_near_duplicates(samples, threshold=None, roi_field=None, embeddings=None, similarity_index=None, model=None, model_kwargs=None, force_square=False, alpha=None, batch_size=None, num_workers=None, skip_failures=True, progress=None) See `fiftyone/brain/__init__.py`. ### fiftyone.brain.internal.core.duplicates.compute_exact_duplicates(samples, num_workers, skip_failures, progress) See `fiftyone/brain/__init__.py`.