Dual Convergent Lines (DCL) obfuscates keypoints via two fixed anchors on a partition line to make geometry-recovery attacks ill-posed while remaining compatible with line-based localization solvers.
Is geometry enough for matching in visual lo- calization? InProceedings of the European Conference on Computer Vision (ECCV), pages 407–425
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Revisiting Geometric Obfuscation with Dual Convergent Lines for Privacy-Preserving Image Queries in Visual Localization
Dual Convergent Lines (DCL) obfuscates keypoints via two fixed anchors on a partition line to make geometry-recovery attacks ill-posed while remaining compatible with line-based localization solvers.