The example of point clouds involved in different backdoor watermarks.

The example of point clouds involved in different backdoor watermarks.

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Recently, point clouds have been widely used in computer vision, whereas their collection is time-consuming and expensive. As such, point cloud datasets are the valuable intellectual property of their owners and deserve protection. To detect and prevent unauthorized use of these datasets, especially for commercial or open-sourced ones that cannot b...

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... trigger consists of 50 points randomly sampled from this sphere, which takes proportion about 5% of one watermarked sample (1,024 points in total). The examples of point cloud samples involved in different watermarks are shown in Figure 3. ...

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