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Visual sensing by humans and computers
1984
Behavoir research methods, instruments & computers
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This presentation provides an overview of a project that overlaps the fields of human and computer vision. ...
successful completion of the project will require (1) identifying the nature of the image information that can-in principle-permit separation of object from lighting effects in the sensed image, (2) devising computational ...
The human visual system clearly uses ambient lighting information to govern dramatic changes in visual sensitivity. ...
doi:10.3758/bf03202364
fatcat:er4v5inkk5hjfnwkxd7utumlse
The visual computation of 2-D area by human observers
2005
Vision Research
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Normal human observers compared either the width, height or area of two simultaneously-presented shapes (the standard and the test), with a cue to indicate which decision had to be made. ...
On ÔareaÕ trials, test width was a random variable, ensuring that neither shape (aspect ratio), width nor height by themselves was a reliable signal. ...
Laursen and Rasussen (1975) found that humans and monkeys can detect 2-6% changes in the aspect ratio of ellipses. ...
doi:10.1016/j.visres.2005.04.004
pmid:15904946
fatcat:65adpftmrvg4fmnw74qn6nlv4q
Modular Design by Contract Visually and Formally Using VCL
2010
2010 IEEE Symposium on Visual Languages and Human-Centric Computing
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presents design of VCL, outlining syntax and semantics of VCL notations of structural, behavioural, constraint, and contract diagrams, together with VCL's approach to behavioural modelling based on design by ...
VCL aims at expressing visually structural and behavioural properties of software systems. ...
The 1.8% that could not be expressed visually corresponds to invariant TotalBalIsPositive (see Fig. 1 ) that could not be expressed visually and was expressed directly in Z by embedding the Z text into ...
doi:10.1109/vlhcc.2010.39
dblp:conf/vl/AmalioK10
fatcat:mjulve7w55cehhd2wrcttjld5u
Visual programming, programming by example, and program visualization: a taxonomy
1986
Proceedings of the SIGCHI conference on Human factors in computing systems - CHI '86
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The terms "Visual Programming" and "-Rogram %sualixation" have been applied to these systems. ...
This technique is called "Programming by Example." ...
The research described in this paper was partially funded by the National Science and Engineering Research Council (NSERC) of Canada. ...
doi:10.1145/22627.22349
fatcat:fdxrshxynzaj5gblx4ocfnwqe4
Human Age Estimation by Metric Learning for Regression Problems
2009
2009 Sixth International Conference on Computer Graphics, Imaging and Visualization
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The estimation of human age from face images is an interesting problem in computer vision. ...
This metric could be learned by solving an optimization problem. ...
Introduction The estimation of human age from face images is an interesting problem in computer vision. ...
doi:10.1109/cgiv.2009.91
dblp:conf/IEEEcgiv/Long09
fatcat:nsqabxb4tjbqtoanqlpi6mipwy
Creating and retargetting motion by the musculoskeletal human body model
2000
The Visual Computer
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Recently, optimization has been used in various ways to interpolate or retarget human body motions obtained by motion-capturing systems. ...
By increasing the maximal force exertable by the muscles, or decreasing it to zero, training or displacement effects of muscles can also be simulated. ...
In fields such as computer graphics and virtual reality, researchers have been looking for methods to create human motion data. ...
doi:10.1007/s003719900065
fatcat:n3zoygwe2jab5pebe47uixuguq
Visual Enhancement for Sports Entertainment by Vision-Based Augmented Reality
2008
Advances in Human-Computer Interaction
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This paper presents visually enhanced sports entertainment applications: AR Baseball Presentation System and Interactive AR Bowling System. ...
The lane and the ball are also tracked by vision-based tracking. In those applications, we utilize multiple 2D markers distributed at arbitrary positions and directions. ...
In this system, the virtual players are generated as a cartoon character instead of a human player. There is a limit even if a human player is made in great detail by CG. ...
doi:10.1155/2008/145363
fatcat:42gwwhvx2nfvjhqd3hnasucn7a
Visualization Accessibility in the Wild: Challenges Faced by Visualization Designers
2022
CHI Conference on Human Factors in Computing Systems
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CCS CONCEPTS • Human-centered computing → Accessibility design and evaluation methods. ...
Data visualizations are now widely used across many disciplines. However, many of them are not easily accessible for visually impaired people. ...
It may be true that a majority of visualization creators who are not familiar with computer programming are users of these tools. ...
doi:10.1145/3491102.3517630
fatcat:wlxtbb5bqvalnidywzcskdcd3q
Script Cards: A Visual Programming Language for Games Authoring by Young People
2006
Visual Languages and Human-Centric Computing (VL/HCC'06)
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This paper describes Script Cards, a visual programming language which enables young people to script story events in a 3D role-playing game ...
It was thought that young people would be familiar with the idea of dragging cards to different positions on the screen from popular computer-based card games such as Solitaire. ...
Introduction Since the inception of visual programming languages (VPLs), a subset have been designed specifically for young people (see Show and Tell [1] for an early example). ...
doi:10.1109/vlhcc.2006.42
dblp:conf/vl/HowlandGR06
fatcat:l24yo455njhr5mrv6t73njiuxa
Compact real-time modeling of seated humans by video sprite sequence quantization
2009
The Visual Computer
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Exploiting redundancy between frames with distant time stamps enables aggressive compression rates with high visual and semantic fidelity. ...
We propose an image-based method for real-time modeling of seated humans using upper-body video sprites, which is suitable for applications such as teleconferencing and distance learning. ...
This work was supported by the United States National Science Foundation through grant SCI-0417458. ...
doi:10.1007/s00371-009-0318-4
fatcat:nsnfchprabbcji6kr54mlauniu
A framework for implicit human-centered image tagging inspired by attributed affect
2013
The Visual Computer
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By monitoring the annotator's focus of attention through gaze tracking we identify the stimulus attributed as the cause for the observed change in core affect. ...
The latter strives to explain affect related changes observed during an individual's participation in an emotional episode, by bestowing the corresponding affect changing properties on a selected perceived ...
Our framework presented in this paper is inspired by a more natural description of how human psychology generates responses to visual stimuli, by trying to explain the changes detected in core affect experience ...
doi:10.1007/s00371-013-0903-4
fatcat:prrilzrw5rcj3f3zgzpefx7bui
An "independent visual background" reduced balance disturbance envoked by visual scene motion
2001
Proceedings of the SIGCHI conference on Human factors in computing systems - CHI '01
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Postural disturbance was evoked by visual scene motion at different frequencies. ...
Differences in disturbance were examined as a function of simultaneous exposure to an "independent visual background" (IVB). ...
ACKNOWLEDGMENTS Supported by an Eastman Kodak Contract. We thank R. Mccaskey and C. Plesko for their assistance and D. L. Harm for loaning us the balance platform used in this study. ...
doi:10.1145/365024.365051
dblp:conf/chi/DuhPF01
fatcat:fxvqtaacrjethkxa2ilq3phfgq
Enriching a motion database by analogous combination of partial human motions
2007
The Visual Computer
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We have synthesized new human body motions from existing motion data, by dividing the body of an animated character into several parts, such as upper and lower body, and partitioning the motion of the ...
By combining different partial motions, we can generate new motion sequences. ...
First, we compute the covariance matrix from the original high dimensional data. Second, the eigenvalues of the matrix are computed. ...
doi:10.1007/s00371-007-0200-1
fatcat:r7s6uuomnzbp3jlpnhmmpl6lp4
Human visual search follows a suboptimal Bayesian strategy revealed by a spatiotemporal computational model and experiment
2021
Communications Biology
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Here, we measured the temporal course of the human visibility map and performed a visual search experiment. ...
AbstractThere is conflicting evidence regarding whether humans can make spatially optimal eye movements during visual search. ...
Human visual search performance. ...
doi:10.1038/s42003-020-01485-0
pmid:33397998
fatcat:dr73ue5m65cyhafjb7jk74hpjy
Sketching human character animations by composing sequences from large motion database
2013
The Visual Computer
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A user study showed that the system can be used by novice users with no animation experience or artistic talent, as well as by users with an animation background. ...
Contrary to the previous work that deals with static sketches, our input sketches can be enhanced by motion and rotation curves that improve matching in the context of the existing animation sequences. ...
visualization. ...
doi:10.1007/s00371-013-0797-1
fatcat:ahrsdsdpgff7he3auiigv7vrtu
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