Search Results - "Dorea, Camilo"

Loss-Resilient Coding of Texture and Depth for Free-Viewpoint Video Conferencing by Macchiavello, Bruno, Dorea, Camilo, Hung, Edson M., Cheung, Gene, Wai-Tian Tan

“…Free-viewpoint video conferencing allows a participant to observe the remote 3D scene from any freely chosen viewpoint. An intermediate virtual viewpoint image…”
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Local Texture and Geometry Descriptors for Fast Block-Based Motion Estimation of Dynamic Voxelized Point Clouds by Dorea, Camilo, Hung, Edson M., de Queiroz, Ricardo L.

“…Motion estimation in dynamic point cloud analysis or compression is a computationally intensive procedure generally involving a large search space and often…”
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Trajectory Tree as an Object-Oriented Hierarchical Representation for Video by Dorea, C.C., Pardas, M., Marques, F.

“…This paper presents the trajectory tree as a hierarchical region-based representation for video sequences. Motion, as well as spatial features from multiple…”
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Motion-Compensated Predictive RAHT for Dynamic Point Clouds by Souto, Andre L., De Queiroz, Ricardo L., Dorea, Camilo

“…We study the use of predictive approaches alongside the region-adaptive hierarchical transform (RAHT) [1] in attribute compression of dynamic point clouds. The…”
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Attention-Weighted Texture and Depth Bit-Allocation in General-Geometry Free-Viewpoint Television by Dorea, Camilo, de Queiroz, Ricardo L.

“…In a free-viewpoint television network, each viewer chooses its point of view from which to watch a scene. We use the concept of total observed distortion,…”
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Generation of Long-Term Color and Motion Coherent Partitions by Dorea, Camilo C., Pardas, Montse, Marques, Ferran

“…This paper describes a technique for generating partition sequences of regions presenting long-term homogeneity in color and motion coherency in terms of…”
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Block-Based Motion Estimation Speedup for Dynamic Voxelized Point Clouds by Dorea, Camilo, de Queiroz, Ricardo L.

“…Motion estimation is a key component in dynamic point cloud analysis and compression. We present a method for reducing motion estimation computation when…”
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Differential Transform for Video-Based Plenoptic Point Cloud Coding by Garcia, Diogo C., Dorea, Camilo, Ferreira, Renan U. B., Freitas, Davi R., de Queiroz, Ricardo L., Higa, Rogerio, Seidel, Ismael, Testoni, Vanessa

“…Point cloud compression has been studied in standard bodies and we are here concerned with the Moving Picture Experts Group video-based point cloud compression…”
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Super Resolution for Multiview Images Using Depth Information by Garcia, D. C., Dorea, C., de Queiroz, R. L.

“…In stereoscopic and multiview video, binocular suppression theory states that the visual subjective quality of 3-D experience is not much affected by…”
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Adaptive Block Partitioning of Point Clouds for Video-Based Color Compression by Dorea, Camilo, de Queiroz, Ricardo L.

“…Point cloud compression presents novel and challenging demands. Video-based solutions can harness existing video codec technology for efficient compression,…”
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Automatic Formative and Motivational Feedback Personalized for Introductory Programming Course by Holanda, Maristela, De Miranda, Lucas R. F., Macedo, Fernanda, Yamin, Joao Lucas, Dorea, Camilo, Chamon, Christiana, Da Silva, Dilma

“…The teaching and learning of the first programming language course, commonly called CS1 (Computer Science 1), is a reported challenge for undergraduate…”
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Attention-weighted depth map rate-allocation in free-viewpoint television by Dorea, Camilo, de Queiroz, Ricardo L.

“…We propose optimal rate-allocation, using viewer attention information among viewpoints, for depth map cameras within a free-viewpoint television broadcast…”
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The Intellectual Sense of Belonging and Self-efficacy in the Introduction to Computer Science Courses at University of Brasilia in Brazil by Holanda, Maristela, von Borries, George, da Silva, Dilma, Dorea, Camilo, Oliveira, Roberta B., Ishikawa, Edison

“…Research Full Paper Most top universities in Brazil are public government institutions and tuition free. However, until recently, access to these institutions…”
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Super-resolution for multiview images using depth information by Garcia, D C, Dórea, C, de Queiroz, R L

“…The joint usage of low- and full-resolution images in multiview systems provides an attractive opportunity for data size reduction while maintaining good…”
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General rate-allocation in free-viewpoint television by Dorea, Camilo, de Queiroz, Ricardo L.

“…We propose a framework for optimal rate-allocation in free-viewpoint television (FVTV) for a general camera arrangement based on the attention the viewers are…”
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Memory-Friendly Segmentation Refinement for Video-Based Point Cloud Compression by Seidel, Ismael, Freitas, Davi R., Dorea, Camilo, Garcia, Diogo C., Ferreira, Renan U. B., Higa, Rogerio, de Queiroz, Ricardo L., Testoni, Vanessa

“…Recently finalized, the MPEG Video-based Point Cloud Compression (V-PCC) standard leverages existing video codecs to compress point clouds. This approach…”
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Progressive communication for interactive light field image data streaming by Peixoto, Eduardo, Macchiavello, Bruno, Mintsu Hung, Edson, Dorea, Camilo, Cheung, Gene

“…Light field (LF) imaging captures multiple intensities and directions of light per pixel during acquisition in a 3D scene, so that novel images of different…”
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Reconstruction of coarse depth estimates using hierarchical image partitions by Dorea, Camilo, de Queiroz, Ricardo L.

“…This paper presents a novel depth map enhancement method which takes as inputs a single view and an associated coarse depth estimate. The depth estimate is…”
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Depth-map super-resolution for asymmetric stereo images by Garcia, Diogo C., Dorea, Camilo, de Queiroz, Ricardo L.

“…We propose a mixed-resolution coding architecture for stereo color-plus-depth images, where encoding is performed at a low resolution, except for one of the…”
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A Hierarchical Trajectory-Based Representation for Video by Dorea, C.C., Pardas, M., Marques, F.

“…This paper proposes the Trajectory Tree as a hierarchical representation for video sequences containing multiple layers of resolution and various degrees of…”
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