A hierarchical superpixel-based approach for DIBR view synthesis

AQ de Oliveira, TLT da Silveira… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
View synthesis allows observers to explore static scenes using aligned color images and
depth maps captured in a preset camera path. Among the options, depth-image-based …

Image-guided ToF depth upsampling: a survey

I Eichhardt, D Chetverikov, Z Janko - Machine Vision and Applications, 2017 - Springer
Recently, there has been remarkable growth of interest in the development and applications
of time-of-flight (ToF) depth cameras. Despite the permanent improvement of their …

Estimation of signal distortion using effective sampling density for light field-based free viewpoint video

H Shidanshidi, F Safaei, W Li - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
In a light field-based free viewpoint video (LF-based FVV) system, effective sampling density
(ESD) is defined as the number of rays per unit area of the scene that has been acquired …

Depth from light fields analyzing 4D local structure

JP Lüke, F Rosa, JG Marichal-Hernández… - Journal of Display …, 2015 - opg.optica.org
In this paper, we develop a local method to obtain depths from the 4D light field. In contrast
to previous local depth from light field methods based on EPIs, eg, 2D slices of the light field …

Spatially adaptive tensor total variation-tikhonov model for depth image super resolution

G Zhong, S Xiang, P Zhou, L Yu - IEEE Access, 2017 - ieeexplore.ieee.org
Depth images play an important role in 3-D applications. However, due to the limitation of
depth acquisition equipment, the acquired depth images are usually in limited resolution. In …

[PDF][PDF] Ρομποτική όραση, αναπαράσταση και δημιουργία τροχιάς. Υλοποίηση σε προγραμματιστικό περιβάλλον

Ε Πουλιανίτη - 2024 - dspace.uowm.gr
Περίληψη Η παρούσα διπλωματική εργασία αποσκοπεί στη διερεύνηση των πρόσφατων
εξελίξεων στις τεχνολογίες ρομποτικής όρασης και παρακολούθησης διαδρομής (τροχιάς). Η …

Multivariate Sensitivity Analysis of Time-of-Flight Sensor Fusion

S Schwarz, M Sjöström, R Olsson - 3D Research, 2014 - Springer
Obtaining three-dimensional scenery data is an essential task in computer vision, with
diverse applications in various areas such as manufacturing and quality control, security and …

[PDF][PDF] Development of an Algorithm for Volumetric Reconstruction and Estimation of the Center of Mass of Solid Cohesive in Environments with Suspended Particles

J Kern, J Silva, C Urrea - researchgate.net
Volumetric reconstruction is a research niche that has attracted attention due to the large
number of applications. There are several techniques to extract a point cloud from a scene …

Ginga extensions to support depth-based 3d media

RG de Albuquerque Azevedo… - 2014 3DTV-Conference …, 2014 - ieeexplore.ieee.org
This paper presents an end-to-end interactive 3DTV chain based on ISDB-T standard. After
discussing some problems we have faced when extending ISDB-T to support depth-based …

Quality Assessment, Evaluation, and Optimization of Free Viewpoint Video Systems by Using Effective Sampling Density

H Shidanshidi, F Safaei, W Li - Connected Media in the Future Internet Era, 2017 - Springer
In a light field-based free viewpoint system (LF-based FVV), effective sampling density
(ESD) is defined as the number of rays per unit area of the scene that has been acquired …