What does "an oracle which returns the reference image...... inlier matches found by hloc" mean?

cvg / pixloc

Back to the Feature: Learning Robust Camera Localization from Pixels to Pose (CVPR 2021)

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What does "an oracle which returns the reference image...... inlier matches found by hloc" mean? #9

Closed ssssjiang closed 2 years ago

ssssjiang commented 2 years ago

Hi, There is a sentence in your paper, "an oracle which returns the reference image containing the largest number of inlier matches found by hloc." This sentence is from Section 5.1，I don't understand its specific steps. Could you teach me its implementation? "This oracle shows the benefits of better image retrieval using a more complex pipeline without ground truth information." However, hloc use NetVLAD top 50 for image retrieval?