Results 31 to 40 of about 540,279 (314)

Depth mapping of integral images through viewpoint image extraction with a hybrid disparity analysis algorithm

open access: yes, 2008
Integral imaging is a technique capable of displaying 3–D images with continuous parallax in full natural color. It is one of the most promising methods for producing smooth 3–D images.
McCormick, M, Kung, SY, Wu, C, Aggoun, A
core   +1 more source

A Complexity Reduction Scheme for Depth Coding in 3D-HEVC

open access: yesInformation, 2019
3D-high efficiency video coding (3D-HEVC) is the next-generation compression standard for multiview system applications, which has recently been approved by MPEG and VCEG as an extension of HEVC.
Qiuwen Zhang   +4 more
doaj   +1 more source

Edge-region grouping in figure-ground organization and depth perception. [PDF]

open access: yes, 2008
Edge-region grouping (ERG) is proposed as a unifying and previously unrecognized class of relational information that influences figure-ground organization and perceived depth across an edge. ERG occurs when the edge between two regions is differentially
Brooks, Joseph L, Palmer, Stephen E.
core   +1 more source

Human Action Recognition Using Multilevel Depth Motion Maps

open access: yesIEEE Access, 2019
The advent of depth sensors opens up new opportunities for human action recognition by providing depth information. The main purpose of this paper is to present an effective method for human action recognition from depth images. A multilevel frame select
Xu Weiyao   +5 more
doaj   +1 more source

Depth perception with gaze-contingent depth of field

open access: yes, 2014
Blur in images can create the sensation of depth because it emulates an optical property of the eye; namely, the limited depth of field created by the eye's lens. When the human eye looks at an object, this object appears sharp on the retina, but objects
Miguel A. Nacenta   +7 more
core   +1 more source

Source Design Optimization for Depth Image Reconstruction in X-ray Imaging

open access: yesMathematics
X-ray tomography is an effective non-destructive testing method for industrial quality control. Limited-angle tomography can be used to reduce the amount of data that need to be acquired and thereby speed up the process.
Hamid Fathi, Tristan van Leeuwen
doaj   +1 more source

RGB-D face recognition using LBP with suitable feature dimension of depth image

open access: yesIET Cyber-Physical Systems, 2019
This study proposes a robust method for the face recognition from low-resolution red, green, and blue-depth (RGB-D) cameras acquired images which have a wide range of variations in head pose, illumination, facial expression, and occlusion in some cases ...
Hailay Berihu Abebe, Chih-Lyang Hwang
doaj   +1 more source

Selective rendering for efficient ray traced stereoscopic images [PDF]

open access: yes, 2009
Depth-related visual effects are a key feature of many virtual environments. In stereo-based systems, the depth effect can be produced by delivering frames of disparate image pairs, while in monocular environments, the viewer has to extract this depth ...
Kurt Debattista   +7 more
core   +1 more source

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

open access: yesFEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho   +3 more
wiley   +1 more source

Exploring Chromatic Aberration and Defocus Blur for Relative Depth Estimation from Monocular Hyperspectral Image

open access: yes, 2021
This article investigates spectral chromatic and spatial defocus aberration in a monocular hyperspectral image (HSI) and proposes methods on how these cues can be utilized for relative depth estimation. The main aim of this work is to develop a framework
Gao, Y, Zia, A, Zhou, J
core   +1 more source

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