8000 Set max_num_features automatically per quality level by ahojnnes · Pull Request #3077 · colmap/colmap · GitHub
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Set max_num_features automatically per quality level #3077

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Merged
merged 2 commits into from
Dec 25, 2024

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@ahojnnes ahojnnes commented Dec 25, 2024

Selecting only the top-level features in the vocab tree has significant impact on the speed of the indexing/querying with a trade-off in terms of quality. The chosen thresholds are empirically chosen. In my experience, even when using only 256 features, the precision/recall metrics are still quite good.

@ahojnnes ahojnnes enabled auto-merge (squash) December 25, 2024 21:45
@ahojnnes ahojnnes merged commit 94bf417 into main Dec 25, 2024
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@ahojnnes ahojnnes deleted the user/jsch/vocab-tree-auto-options branch December 25, 2024 22:12
HernandoR pushed a commit to HernandoR/colmap that referenced this pull request Dec 30, 2024
Selecting only the top-level features in the vocab tree has significant
impact on the speed of the indexing/querying with a trade-off in terms
of quality. The chosen thresholds are empirically chosen. In my
experience, even when using only 256 features, the precision/recall
metrics are still quite good.
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