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- W4385963826 abstract "Retrieving relevant multimedia content is one of the main problems in a world that is increasingly data-driven. With the proliferation of drones, high quality aerial footage is now available to a wide audience for the first time. Integrating this footage into applications can enable GPS-less geo-localisation or location correction. In this paper, we present an orientation-guided training framework for UAV-view geo-localisation. Through hierarchical localisation orientations of the UAV images are estimated in relation to the satellite imagery. We propose a lightweight prediction module for these pseudo labels which predicts the orientation between the different views based on the contrastive learned embeddings. We experimentally demonstrate that this prediction supports the training and outperforms previous approaches. The extracted pseudo-labels also enable aligned rotation of the satellite image as augmentation to further strengthen the generalisation. During inference, we no longer need this orientation module, which means that no additional computations are required. We achieve state-of-the-art results on both the University-1652 and University-160k datasets." @default.
- W4385963826 created "2023-08-18" @default.
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- W4385963826 date "2023-08-02" @default.
- W4385963826 modified "2023-09-23" @default.
- W4385963826 title "Orientation-Guided Contrastive Learning for UAV-View Geo-Localisation" @default.
- W4385963826 doi "https://doi.org/10.48550/arxiv.2308.00982" @default.
- W4385963826 hasPublicationYear "2023" @default.
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