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With a view to dealing with three dimensional (hereafter referred to simply as 3D) model of indoor environment based on RGB-D data, this study proposes a method of simultaneous localization and mapping of the mobile sensor. By using the color data and depth data collated from the sensor to produce 3D point cloud data of each frame, and this study uses siftGPU to extract and match the feature points...
In modern manufacturing systems, the failure of machine tools may cause unexpected system breakdown and bring about tremendous financial losses. With an effective tool condition monitoring (TCM), unnecessary downtime for maintenance can be reduced. Unfortunately, machine tool dynamics are complex, and the accurate relationship between monitoring signals and the tool health states is difficult to describe...
Content of sketch is different to that of image, since sketch is made up of strokes, not pixels, contains more structural and semantic information. In this paper, an effective approach for content-based sketch retrieval is proposed. With structural and ambiguous properties, the contents what sketch retrieval stressed would be the topology among constitutes of sketch, which accommodate geometry invariance...
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