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- W3126469991 abstract "Estimating the pose of a camera with respect to a 3D reconstruction or scene representation is a crucial step for many mixed reality and robotics applications. Given the vast amount of available data nowadays, many applications constrain storage and/or bandwidth to work efficiently. To satisfy these constraints, many applications compress a scene representation by reducing its number of 3D points. While state-of-the-art methods use K-cover-based algorithms to compress a scene, they are slow and hard to tune. To enhance speed and facilitate parameter tuning, this work introduces a novel approach that compresses a scene representation by means of a constrained quadratic program (QP). Because this QP resembles a one-class support vector machine, we derive a variant of the sequential minimal optimization to solve it. Our approach uses the points corresponding to the support vectors as the subset of points to represent a scene. We also present an efficient initialization method that allows our method to converge quickly. Our experiments on publicly available datasets show that our approach compresses a scene representation quickly while delivering accurate pose estimates." @default.
- W3126469991 created "2021-02-15" @default.
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- W3126469991 date "2020-11-01" @default.
- W3126469991 modified "2023-10-01" @default.
- W3126469991 title "Efficient Scene Compression for Visual-based Localization" @default.
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- W3126469991 doi "https://doi.org/10.1109/3dv50981.2020.00111" @default.
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