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   Unified Multi-Lateral Filter for Real-Time Depth Map EnhancementGarcia Becerro, Frederic  ; Aouada, Djamila ; et alin Image and Vision Computing (2015), 41 Detailed reference viewed: 203 (3 UL) CPU-Based Real-Time Surface and Solid Voxelization for Incomplete Point CloudGarcia Becerro, Frederic ; Ottersten, Björn 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 ▲] Detailed reference viewed: 265 (6 UL)Range Image Pixel Matching MethodGarcia Becerro, Frederic ; Patent (2013) Detailed reference viewed: 75 (13 UL)Real-time depth enhancement by fusion for RGB-D camerasGarcia Becerro, Frederic ; Aouada, Djamila ; et alin IET Computer Vision (2013), 7(5), 335345 Detailed reference viewed: 315 (23 UL)Sensor Fusion Combining 3-D and 2-D for Depth Data EnhancementGarcia Becerro, Frederic 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 ▲] Detailed reference viewed: 224 (15 UL)Real-Time Distance-Dependent Mapping for a Hybrid ToF Multi-Camera RigGarcia Becerro, Frederic ; Aouada, Djamila ; et alin IEEE Journal of Selected Topics in Signal Processing (2012), 6(5), 1-12 Detailed reference viewed: 233 (6 UL)Depth Enhancement by Fusion for Passive and Active SensingGarcia Becerro, Frederic ; Aouada, Djamila ; Abdella, Hashim Kemal et alin Computer Vision – ECCV 2012. Workshops and Demonstrations (2012) Detailed reference viewed: 262 (19 UL)Spatio-Temporal ToF Data Enhancement by FusionGarcia Becerro, Frederic ; Aouada, Djamila ; et alin 19th IEEE International Conference on Image Processing (2012) Detailed reference viewed: 195 (5 UL)Selecting judgment aggregation rules for NAO robots: an experimental approachGarcia Becerro, Frederic ; ; Slavkovik, Marija et alin 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 ▲] Detailed reference viewed: 70 (1 UL)3D Time-Of-Flight Camera System and Position/Orientation Calibration Method ThereforGarcia Becerro, Frederic ; ; et alPatent (2011) Detailed reference viewed: 69 (2 UL)A New Multi-Lateral Filter for Real-Time Depth EnhancementGarcia Becerro, Frederic ; Aouada, Djamila ; et alin 8th IEEE International Conference on Advanced Video and Signal-Based Surveillance (2011) Detailed reference viewed: 205 (3 UL)A New 1-D Colour Model and its Application to Image FilteringGarcia Becerro, Frederic ; Aouada, Djamila ; et alin 2011 7th International Symposium on Image and Signal Processing and Analysis (ISPA) (2011) Detailed reference viewed: 124 (4 UL)Spiral Colour Model: Reduction from 3-D to 2-DGarcia Becerro, Frederic ; Aouada, Djamila ; et alin International Conference on Acoustics, Speech and Signal Processing (2011) Detailed reference viewed: 189 (2 UL)Real-Time Hybrid ToF Multi-Camera Rig Fusion System for Depth Map EnhancementGarcia Becerro, Frederic ; Aouada, Djamila ; et alin 2011 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) (2011) Detailed reference viewed: 224 (2 UL)Pixel Weighted Average Strategy for Depth Sensor Data FusionGarcia Becerro, Frederic ; ; Ottersten, Björn et alin 17th IEEE International Conference on Image Processing (2010) Detailed reference viewed: 233 (1 UL) |
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