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The function saveloadDDM is for saving (or loading) the results. See the doc of FileStorage, which is the implementation of serialization for almost everything related or not to OpenCV. See the samples of save and load to understand the huge interest.
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The function saveloadDDM is for saving (or loading) the results. See the doc of FileStorage, which is the implementation of serialization for almost everything related or not to OpenCV. See the samples of save and load to understand the huge interest.
But is safe not using it for the purpose of the tests... It prevents from computing multiple times descriptors & keypoints for an image.
