The Obsidian-Excalidraw plugin integrates Excalidraw, a feature rich sketching tool, into Obsidian. You can store and edit Excalidraw files in your vault, you can embed drawings into your documents, ...

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This paper proposes a method for estimating the rectification homography of a world plane that pertains to a single view containing the images of at least two circles in general position. The method ...