Best-Buddies Similarity - Robust Template Matching Using Mutual Nearest Neighbors

Shaul Oron; Tali Dekel; Tianfan Xue; William T. Freeman; Shai Avidan

doi:10.1109/TPAMI.2017.2737424

Best-Buddies Similarity - Robust Template Matching Using Mutual Nearest Neighbors

Shaul Oron^*, Tali Dekel, Tianfan Xue, William T. Freeman, Shai Avidan

^*Corresponding author for this work

School of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

71 Scopus citations

Abstract

We propose a novel method for template matching in unconstrained environments. Its essence is the Best-Buddies Similarity (BBS), a useful, robust, and parameter-free similarity measure between two sets of points. BBS is based on counting the number of Best-Buddies Pairs (BBPs) - pairs of points in source and target sets that are mutual nearest neighbours, i.e., each point is the nearest neighbour of the other. BBS has several key features that make it robust against complex geometric deformations and high levels of outliers, such as those arising from background clutter and occlusions. We study these properties, provide a statistical analysis that justifies them, and demonstrate the consistent success of BBS on a challenging real-world dataset while using different types of features.

Original language	English
Pages (from-to)	1799-1813
Number of pages	15
Journal	IEEE Transactions on Pattern Analysis and Machine Intelligence
Volume	40
Issue number	8
DOIs	https://doi.org/10.1109/TPAMI.2017.2737424
State	Published - 1 Aug 2018

Keywords

Best buddies
mutual nearest neighbors
non-rigid matching
point set similarity
template matching

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10.1109/TPAMI.2017.2737424

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title = "Best-Buddies Similarity - Robust Template Matching Using Mutual Nearest Neighbors",

abstract = "We propose a novel method for template matching in unconstrained environments. Its essence is the Best-Buddies Similarity (BBS), a useful, robust, and parameter-free similarity measure between two sets of points. BBS is based on counting the number of Best-Buddies Pairs (BBPs) - pairs of points in source and target sets that are mutual nearest neighbours, i.e., each point is the nearest neighbour of the other. BBS has several key features that make it robust against complex geometric deformations and high levels of outliers, such as those arising from background clutter and occlusions. We study these properties, provide a statistical analysis that justifies them, and demonstrate the consistent success of BBS on a challenging real-world dataset while using different types of features.",

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AU - Freeman, William T.

AU - Avidan, Shai

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AB - We propose a novel method for template matching in unconstrained environments. Its essence is the Best-Buddies Similarity (BBS), a useful, robust, and parameter-free similarity measure between two sets of points. BBS is based on counting the number of Best-Buddies Pairs (BBPs) - pairs of points in source and target sets that are mutual nearest neighbours, i.e., each point is the nearest neighbour of the other. BBS has several key features that make it robust against complex geometric deformations and high levels of outliers, such as those arising from background clutter and occlusions. We study these properties, provide a statistical analysis that justifies them, and demonstrate the consistent success of BBS on a challenging real-world dataset while using different types of features.

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Best-Buddies Similarity - Robust Template Matching Using Mutual Nearest Neighbors

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Keywords

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