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Dense views are needed urgently for autostereoscopic three-dimensional (3D) displays. A dense view synthetization system with three input views which are captured by a three-camera rig is presented. In the system, an image preprocessing step is presented before rendering dense views, in which both color and depth images are optimized by the proposed adaptive joint view optimization algorithm. Then...
The proliferation of off-the-shelf head-mounted displays (HMDs) let end-users enjoy virtual reality applications, some of which render a real-world scene using a novel view synthesis (NVS) technique. View-dependent texture mapping (VDTM) has been studied for NVS due to its photo-realistic quality. The VDTM technique renders a novel view by adaptively selecting textures from the most appropriate images...
We present a comprehensive overview of the stereoscopic Intel RealSense RGBD imaging systems. We discuss these systems' mode-of-operation, functional behavior and include models of their expected performance, shortcomings, and limitations. We provide information about the systems' optical characteristics, their correlation algorithms, and how these properties can affect different applications, including...
We study camera models to generate stereoscopic zoom shots, i.e. using very long focal length lenses. Stereoscopic images are usually generated with two cameras. However, we show that two cameras are unable to create compelling stereoscopic images for extreme focal length lenses. Inspired by the practitioners' use of the long focal length lenses we propose two different configurations: we "get...
Autonomous drone is the Unmanned Aerial Vehicle (UAV) that did not have human control when operated. But if the drone encounter problem and cannot continue the mission, it has to land and wait for recover. It need to analyze the safety of landing area. This paper proposes the method to analyze the landing area of the drone using cross-correlation of the 3D stereoscopic image. The output of cross-correlation...
3D imaging has been a hot research topic recently due to a high demand from various applications of security, health, autonomous vehicle and robotics. Yet Stereoscopic 3D imaging is limited due to its principles which mimics the human eye technique thus the camera separation baseline defines amount of 3D depth can be captured. Holoscopic 3D (H3D) Imaging is based on the “Fly's eye” technique that...
This paper presents semi-automatic method hybrid depth map generation using fusion of monocular cues. Depth Estimation is generally done using stereoscopic cameras. It is a difficult task to estimate depth from single view camera. In this paper, fusion of four monocular cues as-Motion cue, Linear perspectivecue, Aerial perspective cue and defocus are proposed for depth estimation using single camera...
Unmanned Aerial Vehicles are currently gaining widespread adoption in multiple roles. In this paper, we proposes obstacle detection algorithm for unmanned aerial vehicles using stereoscopic vision. Depth of objects in the image could be calculated. There is also another important property of image captured by a stereo camera; if an object is at a certain position it will appear at a certain combination...
This paper is about the collaborative use of a far-infrared spectrum human detector and a visible spectrum human detector; the idea is to make collaborate these two detectors of different nature to automatically adapt the human detection whatever the luminosity changes and whatever the infrared emission changes of the scene. Our collaborative approach of detection handles: 1) gradual luminosity changes...
This article presents how stereoscopic vision is implemented in a humanoid robot with the purpose of selecting the most proper routine of movements to avoid obstacles encountered. The goals were to identify accurately the three-dimensional environment by using a depth map constructed with 2D images, acquired with a pair of cameras mounted on the robot, for their analysis using a Raspberry Pi 2 Model...
A driver's inattention to or disregard for the minimum safety distance creates a hazardous situation in which avoiding a rear-end collision is nearly impossible. In a joint effort to implement safety and decision-making processes at an individual level, we present in this paper a cooperative approach to increase the driver's visual awareness of safe distances. Our Tailigator system garners information...
Head-mounted displays (HMDs) offer immersion and binocular disparity. This study investigated whether an HMD yields better object-alignment performance than a conventional monitor in virtual environments that are rich in pictorial depth cues. To determine the effects of immersion and disparity separately, three hardware setups were compared: 1) a conventional computer monitor, yielding low immersion,...
This paper introduced a novel method for stereoscopic image creation in virtual reality system. In our method, the left and right images are created in a single camera space, and the image disparities are produced by a pair of matrices. Based on the analysis on the relations among disparity, perceived depth and deformation of perceived objects in a single camera space, disparity and perceived deformation...
Intrinsic image decomposition is an important technique that decomposes an image into reflectance and shading components. In this paper, we enable intrinsic decomposition for stereoscopic images. Traditional approaches cannot be directly applied to decompose stereoscopic images, yielding inconsistent reflectance and 3D artifacts after recoloring. To solve this problem, we propose a straight yet effective...
This paper presents a method to stabilize shaky stereoscopic videos captured by hand-held devices. Directly applying traditional monocular video stabilization techniques to two views independently is problematic as it often brings undesirable vertical disparities and produces inaccurate horizontal disparities, which violate original stereoscopic disparity constraints, leading to erroneous depth perception...
Refocusing, as a most popular photographic technique, is widely welcomed in both photography and cinematography. Currently, most refocusing effects in movies are implemented manually using professional devices or computer graphics methods. Few solutions are designed for the videos captured by common users. In this paper, we propose a user-oriented method to facilitate the video refocusing for daily...
This paper overviews and analyzes existing technologies for creation the three-dimensional spherical panoramic images and their visualization via mobile device using virtual reality(VR)-glasses. The goal is to design a new application for recording and processing panoramic images with a further adaptation for VR-visualization. The description maintains methods that are used for app-development.
In this paper, we present an experimental analysis of how landmark distributions in a scene, as observed by a stereo-camera, affect Visual Odometry measurement performances. Translational and rotational tests have been performed in many different positions in an indoor environment. The Visual Odometry algorithm, which has been implemented firstly, guesses motion by a linear 3D-to-3D method embedded...
Along with the rapid development of stereoscopic cinematography in the last few years, efficient 3D video diagnostic tools are increasingly in demand. The tools dedicated for real-time video analysis and assessment directly on the movie set are aimed at facilitation, acceleration and cost-cutting of movie production. It causes the growing interest in development of high-performance and reliable algorithms...
The paper presents an FMC module for acquisition of 3D image through SDI interface, designed for Registration of Stereoscopic Image (ROS3D) project. As a component of an upgradable FPGA-based system for rapid calibration of 3D camera rigs, the module serves the purpose of acquiring an SDI stream from a set of two cameras and outputting it to either a dedicated SDI output or an HDMI output after processing...
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