Filters








1,498,454 Hits in 3.8 sec

A computational model of topological and geometric recovery for visual curve completion

Hongwei Lin, Zihao Wang, Panpan Feng, Xingjiang Lu, Jinhui Yu
2016 Computational Visual Media  
In this paper, we present a systematic computational model for generating a visually completed curve.  ...  Secondly, we employ a Bézier curve-based model to represent the visually completed curve.  ...  (d) Four visually completed curves (red). Figure 10 10 is a further example of modal completion. Fig. 12 12 Visual curve completion for a naturally occluded model.  ... 
doi:10.1007/s41095-016-0055-3 fatcat:xttlehhfcneehghwrkx463blyu

Real-time visual attention on a massively parallel SIMD architecture

Nabil Ouerhani, Heinz Hügli
2003 Real-time imaging  
This paper reports the first real-time implementation of the complete visual attention mechanism on a compact and low-power architecture.  ...  Specifically, the saliency-based model of visual attention was implemented on a highly parallel single instruction, multiple data architecture called ProtoEye.  ...  A complete real-time implementation of the saliencybased model of visual attention has been reported recently in [13] .  ... 
doi:10.1016/s1077-2014(03)00036-6 fatcat:dcbmxqffjjbzhdqgzzl2noqkd4

Cognitive Abilities That Predict Success in a Computer-Based Training Program

R. L. Ownby, S. J. Czaja, D. Loewenstein, M. Rubert
2008 The gerontologist  
Purpose-The purposes of this study were (a) to identify cognitive abilities and other factors related to successful completion of training for computer-based tasks that simulated real jobs and (b) to create  ...  In a series of logistic regressions, we evaluated the ability of a subset of cognitive measures drawn from a larger battery to predict participants' ability to successfully complete training and go on  ...  The authors would like to thank Chris Hertzog, PhD, for his comments during a discussion of these results that assisted us in developing this paper.  ... 
doi:10.1093/geront/48.2.170 pmid:18483429 pmcid:PMC2676337 fatcat:j2v3r6eoinchvct44bp64cg4ha

Computers and Graphics–Foreword to the Special Issue on CAD/Graphics 2021

2021 Graphics and Visual Computing  
multi-scale network for micro-expression recognition, Please Complete • CAG A Transmission Model for Motion Estimation of Instability Space Targets, Please Complete Video & shape analysis • CAG LinkNet  ...  Computer Animation -Image and Video Processing -Computer Graphics Systems and Hardware -Visualization -Image based Modelling and Rendering -Computer Vision -CAD Database, Data Exchange and Standards  ... 
doi:10.1016/j.gvc.2021.200027 fatcat:pkoddporlvgu3bj6js7mtqeehy

New advances in visual computing for intelligent processing of visual media and augmented reality

JuHong Wang, SongHai Zhang, Ralph R. Martin
2015 Science China Technological Sciences  
They also presented a computational model simulating the distributed mechanisms of the object vision pathway.  ...  Visual imagery constitutes the most important sensory information for humans. The entire field of acquiring, analyzing and synthesizing visual data by means of computers is called visual computing.  ... 
doi:10.1007/s11431-015-5991-0 fatcat:pzcp4hlgwzh57m2mnbhb5vhqte

Volumetric stereo and silhouette fusion for image-based modeling

Peng Song, Xiaojun Wu, Michael Yu Wang
2010 The Visual Computer  
The proposed algorithm starts by computing visual hull using a volumetric method in which a novel projection test method is proposed for visual hull octree construction.  ...  Finally, Poisson Surface Reconstruction approach is applied to convert the oriented point cloud both from stereo and silhouette into a complete and accurate triangulated mesh model.  ...  (a) (b) (c) In Fig. 17 we present complete reconstruction steps of the Skull model.  ... 
doi:10.1007/s00371-010-0429-y fatcat:z53r2pjejfa5fk56fvk5jaf3qi

An integrated model of eye movements and visual encoding

Dario D Salvucci
2001 Cognitive Systems Research  
This paper presents a domain-independent computational model, EMMA, that provides a more rigorous account of eye movements and visual encoding and their interaction with a cognitive processor.  ...  Recent computational models of cognition have made good progress in accounting for the visual processes needed to encode external stimuli.  ...  The completion of a saccade initiates preparation for a new saccade to the same visual object in the event that encoding has not yet completed.  ... 
doi:10.1016/s1389-0417(00)00015-2 fatcat:m2r2epjchfbejix26ghjmt2tee

3D object retrieval via range image queries in a bag-of-visual-words context

Konstantinos Sfikas, Theoharis Theoharis, Ioannis Pratikakis
2013 The Visual Computer  
The complete 3D models of the database are described by a set of panoramic views and a Bag-of-Visual-Words model is built using SIFT features extracted from them.  ...  To address the problem of partial matching, we suggest a histogram computation scheme, on the panoramic views, that represents local information by taking into account spatial context.  ...  Acknowledgements This research has been co-financed by the European Union (European Social Fund -ESF) and Greek national funds through the Operational Program "Education and Lifelong Learning" of the National  ... 
doi:10.1007/s00371-013-0876-3 fatcat:d66t66idcbbcvgfma476nzrhyq

An assessment method for a designerly way of computational thinking

Elif Belkıs Öksüz, Gülen Çağdaş
2020 A/Z ITU journal of Faculty of Architecture  
For that, it offers an assessment method to explore whether a visual thinker's ability to make abstractions has any impact on their process of visual computing.  ...  visual computing.  ...  Levels of abstraction in visual computing In the first experiment, all architecture students (S1, S2, and S3) developed different strategies to complete their 3D modeling tasks.  ... 
doi:10.5505/itujfa.2020.86729 fatcat:mptbcj4iyrc3tmpbivh2ypydqm

An Undergraduate Computational Science Curriculum [chapter]

Angela B. Shiflet, George W. Shiflet
2008 Lecture Notes in Computer Science  
Besides programming, data structures, and calculus, ECS students take two computational science courses (Modeling and Simulation for the Sciences, Data and Visualization) and complete a summer internship  ...  Besides its established curriculum, Wofford has incorporated computational science in other courses, such as in a sequence of three microbiology laboratories on modeling the spread of disease.  ...  the Sciences (COSC/MATH 175) and Data and Visualization (COSC 370) − Complete a summer internship involving computation in the sciences Modeling and Simulation for the Sciences (COSC/MATH 175) Prerequisites  ... 
doi:10.1007/978-3-540-69387-1_81 fatcat:ld2slykajbgyxejqkif62bwyxm

Tangent Bundle Curve Completion with Locally Connected Parallel Networks

Guy Ben-Yosef, Ohad Ben-Shahar
2012 Neural Computation  
We propose a theory for cortical representation and computation of visually completed curves that are generated by the visual system to fill in missing visual information (e.g., due to occlusions).  ...  Part of this contribution is also a first attempt to bridge the physiological literature on curve completion with the shape problem and a shape theory.  ...  Ferster, 2007) , while others have modeled it computationally (Yu, Gisse, & Poggio, 2002) .  ... 
doi:10.1162/neco_a_00365 pmid:22970873 fatcat:uwisjoqziffinli7eb5j7ugyni

Euclidean Group Invariant Computation of Stochastic Completion Fields Using Shiftable-Twistable Functions [chapter]

John W. Zweck, Lance R. Williams
2000 Lecture Notes in Computer Science  
Like computations in primary visual cortex (and unlike all previous models of contour completion in the human visual system), our computation is Euclidean invariant.  ...  We describe a method for computing the likelihood that a completion joining two contour fragments passes through any given position and orientation in the image plane, that is, a method for completing  ...  of visual computations.  ... 
doi:10.1007/3-540-45053-x_7 fatcat:3lm5css2lnevzkqe2kd7dhg34m

OpenGL based A 3D Visual Technology of Digital Core

Rui Huang, Cheng Zan, Wei Long, Haoran Cheng, Wei Li, Guanqun Wang, Bing Zhang
2019 Journal of Physics, Conference Series  
In this paper, according to the practical demands of projects, we conduct a thorough research on displaying 3D visual models of the pore structure and the skeleton structure of digital cores using OpenGL  ...  OpenGL is widely used in many industrial application fields as a powerful 3D graphics library. Especially, it plays important roles in displaying the visualization emulation model of digital cores.  ...  main steps: first, a technique of inputting and paring model data should be completed.  ... 
doi:10.1088/1742-6596/1302/2/022086 fatcat:m3gpuyly4vhdpiaib4rd6udjj4

An Evaluation of Interactive and Automated Next Best View Methods in 3D Scanning

Grigori D. Pintilie, Wolfgang Stuerzlinger
2013 Computer-Aided Design and Applications  
The process involves obtaining scans of multiple views so as to create a complete 3D model.  ...  This is typically a user-driven process, and an analysis of the difficulty of this task, use of automation, visualization methods, and their effect on the final result has not yet been thoroughly investigated  ...  complete 3D models of an object.  ... 
doi:10.3722/cadaps.2013.279-291 fatcat:dbc4e5psrjfvlmufpltkfkve6q

Self-Explanatory Interface: Embedding Visual and Aural Syntax to Improve Usability

Nandita Bhanja Chaudhuri, Debayan Dhar
2020 Procedia Computer Science  
The results include evidence of significant growth in task completion rate and improvement in the task completion time of the novice users assisted with combined visual and aural syntax tool embedded in  ...  The results include evidence of significant growth in task completion rate and improvement in the task completion time of the novice users assisted with combined visual and aural syntax tool embedded in  ...  SEUI is a voluntary assistance model that allows the successful completion of a UI task within a stipulated time.  ... 
doi:10.1016/j.procs.2020.04.203 fatcat:bbsy7whjknbm7kuq7k72ztn3wq
« Previous Showing results 1 — 15 out of 1,498,454 results