DBoW2 Alternatives

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better DBoW2 alternative or higher similarity.

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DBoW2 reviews and mentions

Posts with mentions or reviews of DBoW2. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-10-24.

Embeddings: What they are and why they matter
9 projects | news.ycombinator.com | 24 Oct 2023

Not quite the same application, but in computer vision and visual SLAM algorithms (to construct a map of your surrounding using a camera) embedding have become the de-facto algorithm to perform place-recognition ! And it's very similar to this article. It is called "bag-of-word place recognition" and it really became the standard, used by absolutely every open-source library nowadays.
The core idea is that each image is passed through a feature-extractor-descriptor pipeline and is 'embedded' in a vector containing the N top features. While the camera moves, a database of images (called keyframes) is created (images are stored as much-lower dimensional vectors). Again while the camera moves, all images are used to query the database, something like cosine-similarity is used to retrieve the best match from the vector database. If a match happened, a stereo-constraints can be computed betweeen the query image and the match, and the software is able to update the map.
[1] is the original paper and here's the most famous implementation: https://github.com/dorian3d/DBoW2
[1]: https://www.google.com/search?client=firefox-b-d&q=Bags+of+B...
[D] Fastest SIFT Descriptors Matching with Database of SIFT Descriptors
2 projects | /r/MachineLearning | 8 Jan 2021

This library is the most widely used bag of words implementation. Which is the standard for feature retrieval. There might be more advanced methods but you gotta do it yourself. It can also be used with non-sift descriptors. https://github.com/dorian3d/DBoW2