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See detailUnified Multi-Lateral Filter for Real-Time Depth Map Enhancement
Garcia Becerro, Frederic UL; Aouada, Djamila UL; Mirbach, Bruno et al

in Image & Vision Computing (2015), 41

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See detailCPU-Based Real-Time Surface and Solid Voxelization for Incomplete Point Cloud
Garcia Becerro, Frederic UL; Ottersten, Björn UL

in 22nd International Conference on Pattern Recognition (2014, August 27)

This paper presents a surface and solid voxelization approach for incomplete point cloud datasets. Voxelization stands for a discrete approximation of 3-D objects into a volumetric representation, a ... [more ▼]

This paper presents a surface and solid voxelization approach for incomplete point cloud datasets. Voxelization stands for a discrete approximation of 3-D objects into a volumetric representation, a process which is commonly employed in computer graphics and increasingly being used in computer vision. In contrast to surface voxelization, solid voxelization not only set those voxels related to the object surface but also those voxels considered to be inside the object. To that end, we first approximate the given point set, usually describing the external object surface, to an axis-aligned voxel grid. Then, we slice-wise construct a shell containing all surface voxels along each grid-axis pair. Finally, voxels inside the constructed shell are set. Solid voxelization results from the combination of all slices, resulting in a watertight and gap-free representation of the object. The experimental results show a high performance when voxelizing point cloud datasets, independently of the object’s complexity, robust to noise, and handling large portions of data missing. [less ▲]

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See detailRange Image Pixel Matching Method
Garcia Becerro, Frederic UL; Mirbach, Bruno

Patent (2013)

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See detailReal-time depth enhancement by fusion for RGB-D cameras
Garcia Becerro, Frederic UL; Aouada, Djamila UL; Solignac, Thomas et al

in IET Computer Vision (2013), 7(5), 335345

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See detailSensor Fusion Combining 3-D and 2-D for Depth Data Enhancement
Garcia Becerro, Frederic UL

Doctoral thesis (2012)

Time-of-Flight (ToF) cameras are known to be cost-efficient 3-D sensing systems capable of providing full scene depth information at a high frame rate. Among many other advantages, ToF cameras are able to ... [more ▼]

Time-of-Flight (ToF) cameras are known to be cost-efficient 3-D sensing systems capable of providing full scene depth information at a high frame rate. Among many other advantages, ToF cameras are able to provide distance information regardless of the illumination conditions and with no texture dependency, which makes them very suitable for computer vision and robotic applications where reliable distance measurements are required. However, the resolution of the given depth maps is far below the resolution given by standard 2-D video cameras which, indeed, restricts the use of ToF cameras in real applications such as those for safety and surveillance. In this thesis, we therefore investigate how to enhance the resolution of ToF data and how to reduce the noise level within distance measurements. To that end, we propose to combine 2-D and ToF data using a low-level data fusion approach that enhances the low-resolution depth maps up to the same resolution as their corresponding 2-D images. [less ▲]

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See detailSelecting judgment aggregation rules for NAO robots: an experimental approach
Garcia Becerro, Frederic UL; Sousa, Sergio; Slavkovik, Marija UL et al

in Selecting judgment aggregation rules for NAO robots: an experimental approach (2012)

Social choice rules can be used to reach group decisions in multiagent systems. We consider judgment aggregation, the problem of aggregating answers to binary logically related questions. In general ... [more ▼]

Social choice rules can be used to reach group decisions in multiagent systems. We consider judgment aggregation, the problem of aggregating answers to binary logically related questions. In general "fairness" is usually considered to be the main concern when selecting a social choice rule, however we believe that in judgment aggregation often a more relevant property is how efficient the rule is in truth tracking, that is, how often does it return the correct answer to the binary questions. Whereas "fairness" can be studied axiomatically, truth tracking efficiency needs to be studied experimentally. We accomplish the experimental analysis by constructing a multi-robot system. [less ▲]

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See detailDepth Enhancement by Fusion for Passive and Active Sensing
Garcia Becerro, Frederic UL; Aouada, Djamila UL; Abdella, Hashim Kemal UL et al

in Computer Vision – ECCV 2012. Workshops and Demonstrations (2012)

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See detailReal-Time Distance-Dependent Mapping for a Hybrid ToF Multi-Camera Rig
Garcia Becerro, Frederic UL; Aouada, Djamila UL; Mirbach, Bruno et al

in IEEE Journal of Selected Topics in Signal Processing (2012), 6(5), 1-12

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See detailSpatio-Temporal ToF Data Enhancement by Fusion
Garcia Becerro, Frederic UL; Aouada, Djamila UL; Mirbach, Bruno et al

in 19th IEEE International Conference on Image Processing (2012)

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See detail3D Time-Of-Flight Camera System and Position/Orientation Calibration Method Therefor
Garcia Becerro, Frederic UL; Grandidier, Frederic; Mirbach, Bruno et al

Patent (2011)

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See detailA New 1-D Colour Model and its Application to Image Filtering
Garcia Becerro, Frederic UL; Aouada, Djamila UL; Mirbach, Bruno et al

in 2011 7th International Symposium on Image and Signal Processing and Analysis (ISPA) (2011)

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See detailReal-Time Hybrid ToF Multi-Camera Rig Fusion System for Depth Map Enhancement
Garcia Becerro, Frederic UL; Aouada, Djamila UL; Mirbach, Bruno et al

in 2011 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) (2011)

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See detailSpiral Colour Model: Reduction from 3-D to 2-D
Garcia Becerro, Frederic UL; Aouada, Djamila UL; Mirbach, Bruno et al

in International Conference on Acoustics, Speech and Signal Processing (2011)

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See detailA New Multi-Lateral Filter for Real-Time Depth Enhancement
Garcia Becerro, Frederic UL; Aouada, Djamila UL; Mirbach, Bruno et al

in 8th IEEE International Conference on Advanced Video and Signal-Based Surveillance (2011)

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See detailPixel Weighted Average Strategy for Depth Sensor Data Fusion
Garcia Becerro, Frederic UL; Mirbach, Bruno; Ottersten, Björn UL et al

in 17th IEEE International Conference on Image Processing (2010)

Detailed reference viewed: 146 (1 UL)