A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Filters
Motion as Shape: A Novel Method for the Recognition and Prediction of Biological Motion
2006
Procedings of the British Machine Vision Conference 2006
Preserved Fulltext
We introduce a method for the recognition and prediction of motion, based on the idea that different motions trace out different shapes in some state space. ...
In the recognition step we use a multidimensional generalization of the shape context [1] to find the closest prototype motion to the observed data. ...
Acknowledgements We thank Hanna Wallach for useful conversations about belief networks and the Center for Human Modeling and Simulation for use of the ReActor system. ...
doi:10.5244/c.20.69
dblp:conf/bmvc/WilsonDF06
fatcat:nu22wmgcofeynei2jdyz2w6ftu
Collective motion as a distinct behavioral state of the individual
[article]
2020
bioRxiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Overall, our findings suggest that collective-motion is more than an emergent property of the group, but a specific behavioral mode that is rooted in endogenous biological mechanisms of the individual. ...
Locusts are a quintessential example of collective motion: while displaying a minimal level of cooperation between individuals, swarms of millions are highly robust and persistent. ...
See Methods for details and Table S1 for parameter values. ...
doi:10.1101/2020.06.15.152454
fatcat:lt5u6cvsprgh3hujhztbfvlhoq
Comparing methods for scaling shape similarity
2019
AIMS Neuroscience
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
It is useful to evaluate alternative methods for quantifying shape attributes to see which best predicts human judgments of shape similarity. ...
Procrustes analysis is a statistical method for comparing shape pairs that normalizes distances of boundary markers relative to their centroids, centers the shapes on their centroids, and then derives ...
Acknowledgment This work was supported by the Quest for Truth Foundation. ...
doi:10.3934/neuroscience.2019.2.54
pmid:32341968
pmcid:PMC7179340
fatcat:gvsr7jx6wvgidhpo4gjq5kdhie
Visual Learning Shapes the Processing of Complex Movement Stimuli in the Human Brain
2009
Journal of Neuroscience
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
The results of experiment 1 revealed three different effects as a consequence of training: (1) Emerging fMRI-selective adaptation in general motion-related areas (hMT/V5+, KO/V3b) for the differences between ...
Recognition of actions and complex movements is fundamental for social interactions and action understanding. ...
First, our experiments investigated the role of visual learning in the discrimination of novel biological movements that mediate recognition of individual actions rather than detection in random noise ...
doi:10.1523/jneurosci.3070-09.2009
pmid:19890012
pmcid:PMC6666703
fatcat:zzbmf6bkmnhqjlhotikxnycvla
Detecting shape deformation of moving patterns
2001
Vision Research
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
This indicates that detectors tuned to radial and circular motion are involved in the computation of shape deformation. ...
The stimuli employed were closed contours created by the sum of two 'radial frequency' components and sensitivity to their deformation was measured as a function of the difference in the angular velocities ...
Acknowledgements We are grateful to Steven Shevell, Gael Gordon, David Burr, and one anonymous referee for sharing their thoughts and giving helpful suggestions. ...
doi:10.1016/s0042-6989(01)00012-8
pmid:11301074
fatcat:apyn3tjyivfh3b2ntmc7ub36bu
Motion, not Shape, Facilitates Association of Predation Risk with Novel Objects by Fathead Minnows (Pimephales promelas)
2001
Ethology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2012; you can also visit the original URL.
The file type is application/pdf.
Erin Watkin assisted in the ®eld collection of study animals and Aleen Kienholz maintained the ®sh holding facilities.
Literature Cited ...
Acknowledgements Funding and research facilities were provided by Minnesota State University Moorhead. ...
Motion, and not shape per se, is thus a predictable and reliable component of predation and may serve as an immediate releaser of learned risk association. ...
doi:10.1046/j.1439-0310.2001.00667.x
fatcat:dcb4btlpyjh6thsk7rnnpfgxdq
Visual judgment of similarity across shape transformations: Evidence for a compositional model of articulated objects
2008
Acta Psychologica
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2010; you can also visit the original URL.
The file type is application/pdf.
A single biological object, such as a hand, can assume multiple, very different shapes, due to the articulation of its parts. ...
We compared similarity judgments in a task in which subjects had to decide which of the two transformed versions of a 'base' shape-one a 'biologically valid' articulation and one a geometrically similar ...
It is likely that other aspects of visual recognition do as well. Fig. 1 . 1 A novel shape with an intuitive articulatory structure. ...
doi:10.1016/j.actpsy.2008.03.007
pmid:18466857
fatcat:cb66qdw5vfh6la754lrifvoyni
Modulation of Viewpoint Effects in Object Recognition by Shape and Motion Cues
2009
Perception
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
This research was supported by a grant from the Natural Sciences and Engineering Research Council of Canada to Alinda Friedman. ...
We thank Bernd Kohler for programming the experiments and for help collecting the data. ...
This expectation predicts that in experiments 2 and 3 there should be a larger viewpoint effect for motion on trials when the motions are similar. ...
doi:10.1068/p6430
pmid:20120262
fatcat:kzvez5po4bhwxdqn55zxwlhmpu
EventHPE: Event-based 3D Human Pose and Shape Estimation
[article]
2021
arXiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
Event camera is an emerging imaging sensor for capturing dynamics of moving objects as events, which motivates our work in estimating 3D human pose and shape from the event signals. ...
To mitigate the discrepancy between image-based flow (optical flow) and shape-based flow (vertices movement of human body shape), a novel flow coherence loss is introduced by exploiting the fact that both ...
Acknowledgement Thank all the volunteers who contribute to the dataset, and thank Shuang Wu and Wei Ji for their constructive advice. ...
arXiv:2108.06819v1
fatcat:yhlkmjbg2fdafkinl5uo5bi3pa
The relative weight of shape and non-rigid motion cues in object perception: A model of the parameters underlying dynamic object discrimination
2012
Journal of Vision
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
We then combined shape morphing with the novel motion morphing technique to pairs of multipart objects to create a joint shape and motion similarity space. ...
Shape and motion are two dominant cues for object recognition, but it can be difficult to investigate their relative quantitative contribution to the recognition process. ...
Acknowledgments We would like to thank Katja Mayer for the initial set of stimuli; Bernd Kohler for programming the experiment; and Tyler Austring, Michelle Foisey, and Geoff Hollis for data collection ...
doi:10.1167/12.3.16
pmid:22427696
fatcat:2qam7njhnzccpoh5dwqkehnyte
Simple Rules Reproduce a Hub-Shaped Cell Metabolic Network
2005
PLoS Biology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
The chicks were immediately drawn to and stayed close to iconic patterns of animal motion, also known as biological motion. ...
, and a fourth, the "scrambled hen," conveyed biological motion, but of an unknown creature (as perceived by human observers). ...
doi:10.1371/journal.pbio.0030261
fatcat:ayoft4fzzbatdfp5tqrzxfxnhy
Determination of visual figure and ground in dynamically deforming shapes
2006
Cognition
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Previous research on the assignment of figure and ground to opposing sides of a contour has almost exclusively involved static geometric factors -such as convexity, symmetry, and size -in non-moving images ...
Here, we introduce a new class of cue to figural assignment based on the motion of dynamically deforming contours. ...
That is, concave regions may provide a means of predicting how an object may deform, based on its geometry, even when no motion is observed -a possibility with strong implications for the recognition of ...
doi:10.1016/j.cognition.2005.12.002
pmid:16448640
fatcat:qj2xheeyy5bazevp7mfad3d7lm
Shape beyond recognition: Form-derived directionality and its effects on visual attention and motion perception
2014
Journal of experimental psychology. General
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
The observed connection between form and space suggests that shape processing goes beyond recognition alone and may help explain why shape is a relevant dimension throughout the visual brain. ...
This shape information is swiftly and automatically incorporated into the allocation of overt and covert visual orienting and the detection of motion, processes that themselves are inherently directional ...
Indeed, the shape of an object influences processes thought to depend on the dorsal visual stream, such as visual orienting and estimation of motion, in addition to object recognition and categorization ...
doi:10.1037/a0032353
pmid:23565670
pmcid:PMC3726554
fatcat:rw27kp5fifg5rkmaq75w3leukq
Shape-invariant perceptual encoding of dynamic facial expressions across species
[article]
2020
bioRxiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
While popular neural-network theories predict a joint encoding of facial shape and dynamics, the neuromuscular control of faces evolved more slowly than facial shape, suggesting a separate encoding. ...
This result supports the co-evolution of the visual processing and motor-control of facial expressions, while it challenges popular neural-network theories of dynamic expression-recognition. ...
shape and its motor control should potentially imply a separate visual encoding of expression 53 dynamics and basic face shape.
54 We investigated these hypotheses, exploiting advanced methods from computer ...
doi:10.1101/2020.07.10.195941
fatcat:twkg6zyzxfhktosbewvhk6sdaa
Square bananas, blue horses: the relative weight of shape and color in concept recognition and representation
2015
Frontiers in Psychology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
In Experiment 3 (motion evaluation task), we replicated the disadvantage for shape-altered animals, while with fruits shape and color modifications produced no effect. ...
Results showed that with animals color does not matter, while shape modifications determined a deterioration of the performance -stronger for fruit than for animals. ...
ACKNOWLEDGMENTS We would like to thank Roberto Bolzani for statistical advice. ...
doi:10.3389/fpsyg.2015.01542
pmid:26500593
pmcid:PMC4597035
fatcat:tx735evg45ggndhmptnryv5q74
« Previous
Showing results 1 — 15 out of 27,839 results