Results 181 to 190 of about 10,801,644 (213)
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D-FRAME: Direction-Field-Based Wireframe Extraction for Complex CAD Models
IEEE Transactions on Visualization and Computer GraphicsExtracting wireframes from CAD models represented by point cloud remains a significant challenge in computer graphics. This difficulty arises from two main factors: first, imperfections in the point cloud data, such as lack of orientation, noise, and sparsity; and second, the inherent complexity of geometric shapes, which often feature a high density ...
Yuan Feng +6 more
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The Journal of the Acoustical Society of America, 1993
The results of experimental investigation of acoustic emission (AE) source characterization in 2-D frames is reported in this paper. Determination of the AE source location and magnitude from the displacement field is an inverse problem. It is known that humans have remarkable sensory abilities to undo a large number of demanding inverse problems with ...
Rok Šribar, Wolfgang Sachse
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The results of experimental investigation of acoustic emission (AE) source characterization in 2-D frames is reported in this paper. Determination of the AE source location and magnitude from the displacement field is an inverse problem. It is known that humans have remarkable sensory abilities to undo a large number of demanding inverse problems with ...
Rok Šribar, Wolfgang Sachse
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British Journal of Neurosurgery, 2001
We employed a phantom model to evaluate the accuracy and precision of spiral CT-directed intracranial skull base coordinate assignment using the Leibinger 'ZD' frame and 'stp' stereotactic software. Whilst the difference between the true and computed coordinates was in the perimillimeter range for anteroposterior, lateral and vertical measurements in a
D F, O'Brien, G A, Roberts, C N, Pidgeon
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We employed a phantom model to evaluate the accuracy and precision of spiral CT-directed intracranial skull base coordinate assignment using the Leibinger 'ZD' frame and 'stp' stereotactic software. Whilst the difference between the true and computed coordinates was in the perimillimeter range for anteroposterior, lateral and vertical measurements in a
D F, O'Brien, G A, Roberts, C N, Pidgeon
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North American Journal of Fisheries Management, 2013
AbstractThis study provided the first attempt to differentiate between environmental‐ and sampling‐related mortality in larval Shortnose Sturgeon Acipenser brevirostrum. Anchored D‐frame nets are widely used for sampling sturgeon larvae, but the associated larval mortality rates are not known. We assessed larval mortality (1) by examining the effect of
Sima Usvyatsov +2 more
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AbstractThis study provided the first attempt to differentiate between environmental‐ and sampling‐related mortality in larval Shortnose Sturgeon Acipenser brevirostrum. Anchored D‐frame nets are widely used for sampling sturgeon larvae, but the associated larval mortality rates are not known. We assessed larval mortality (1) by examining the effect of
Sima Usvyatsov +2 more
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Human Action Recognition from RGB-D Frames Based on Real-Time 3D Optical Flow Estimation
2013Modern advances in the area of intelligent agents have led to the concept of cognitive robots. A cognitive robot is not only able to perceive complex stimuli from the environment, but also to reason about them and to act coherently. Computer vision-based recognition systems serve the perception task, but they also go beyond it by finding challenging ...
Gioia Ballin +2 more
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Experimental Assessment Of Robustness Of Flooring Systems In 3-D Frames
2014This paper illustrates the preliminary work carried on within a European Research Project, aimed at developing new design concepts for steel-concrete composite frames against accidental actions. Accidental actions can be resisted by residual strength and alternate load path methods.
Zandonini, Riccardo +2 more
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Contrastive 3D Shape Completion and Reconstruction for Agricultural Robots Using RGB-D Frames
IEEE Robotics and Automation Letters, 2022Federico Magistri +8 more
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3-D frame behaviour and load rating of truss bridges in railway infrastructure
Structure and Infrastructure Engineering, 2021Gongkang Fu +3 more
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Accurate alignment of RGB-D frames for 3D map generation
Applications of Digital Image Processing XLI, 2018Everardo Gutiérrez +2 more
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