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Haptic Assembly and Prototyping: An Expository Review [article]

Morad Behandish, Horea T. Ilies
2017 arXiv   pre-print
and unified approaches using a variety of auxiliary computational devices to specify, impose, and solve assembly constraints.  ...  This survey presents some of the conceptual and computational challenges and opportunities as well as promising future directions in haptic-assisted VP/VA, with a focus on haptic assembly from a geometric  ...  between skeletal density function (SDF) (Fig. 10) .  ... 
arXiv:1712.00750v1 fatcat:gwkmw5qbqbgb5feiwzzp2qbkli

Shape Complementarity Analysis for Objects of Arbitrary Shape [article]

Morad Behandish, Horea T. Ilies
2017 arXiv   pre-print
The problem then breaks down to a global optimization of the score over the configuration space of spatial relations, which can be efficiently implemented using fast Fourier transforms (FFTs) on nonequispaced  ...  A space-continuous implicit generalization of the skeleton, called the skeletal density function (SDF) is defined over the Euclidean space that contains the individual assembly partners.  ...  Some methods use discrete Fourier transforms (DFT) to speed-up the search with a cumulative computation of trial solutions, [19, 8, 29, 30] ; while others use spherical harmonic Fourier transforms (SHFT  ... 
arXiv:1712.00238v1 fatcat:hhbaslwnyfaxfbcfpgng6k6vje

Immersive modeling system (IMMS) for personal electronic products using a multi-modal interface

Yong-Gu Lee, Hyungjun Park, Woontaek Woo, Jeha Ryu, Hong Kook Kim, Sung Wook Baik, Kwang Hee Ko, Han Kyun Choi, Sun-Uk Hwang, Duck Bong Kim, HyunSoo Kim, Kwan H. Lee
2010 Computer-Aided Design  
The IMMS allows the user to evaluate the product model realistically using visual, auditory, and tactile/force senses. The architecture and main modules of the system are described in detail.  ...  To overcome this problem, we propose an immersive modeling system (IMMS) that enables us to interact with a digital product model in the augmented virtual environment using a multi-modal interface.  ...  We could achieve a real-time implementation by applying a fast Fourier transform to the sound signals and using an overlap-andadd method for filtering.  ... 
doi:10.1016/j.cad.2009.11.003 fatcat:hriv3c4qijaj5nzurpwzrga2uu

Disassembly task evaluation by muscle fatigue estimation in a virtual reality environment

Jingtao Chen, Peter Mitrouchev, Sabine Coquillart, Franck Quaine
2016 The International Journal of Advanced Manufacturing Technology  
The results of the analysis and findings show that the mechanical energy expenditure can be used to evaluate the disassembly sequence by considering the human muscle fatigue factor while performing disassembly  ...  This paper deals with a new method for disassembly sequences evaluation by muscle fatigue and metabolic energy expenditure estimation.  ...  After filtering, Fast Fourier Transfer (FFT) function was used to transfer the raw EMG signal. The power spectrum density of each muscle contraction was estimated by using Hamming window.  ... 
doi:10.1007/s00170-016-8827-6 fatcat:ixgjlvnh7netzn2j2ngslv72we

Analytic methods for geometric modeling via spherical decomposition

Morad Behandish, Horea T. Ilieş
2016 Computer-Aided Design  
However, most convolution-based methods have used uniform grid-based sampling to take advantage of the fast Fourier transform (FFT) algorithm.  ...  Using a simple geometric lifting trick, we interpret this combination as a convolution of an impulsive skeletal density and primitive kernels with conical support, which faithfully embeds into the convolution  ...  Fourier Expansions A major motivation behind using analytic methods is the efficient tractability of convolutions and differentiations via Fourier transforms.  ... 
doi:10.1016/j.cad.2015.06.016 fatcat:52r25jhyprdbhp3ubg54l7buza

The Medium of Haptic Perception: A Tensegrity Hypothesis

Michael T. Turvey, Sérgio T. Fonseca
2014 Journal of Motor Behavior  
To identify the haptic system's medium the authors focus on connective tissue and the conjunction of muscular, connective tissue net, and skeletal (MCS) as the body's proper characterization.  ...  For any given animal, the sources of mechanical disturbances inducing tissue deformation define environment from the perspective of the animal's haptic perceptual system.  ...  Turvey from the National Science Foundation (BCS-0925373) and funding to S. T.  ... 
doi:10.1080/00222895.2013.798252 pmid:24628057 fatcat:s2ncnq4euna4lnqbkwi5zy3ie4

Hyalite Sol-Gel Amoeba: A Physiology-Based Biophysical Model for Segmentation and Biotransformation of Medical Images To 3D Solid-State Characterizing Native Tissue Properties for Patient-Specific and Patient-Appropriate Analysis for Surgical Applications

Harjeet Singh Gandhi
Methods: This seminal study following a brief review of computer vision science discusses the relationship between optical density and tissue density, and the theory of sol-gel fluid mechanics.  ...  The framework of the HSG-Amoeba is described with the segmentation of various skeletal components of the thoracic cage.  ...  Fourier transformation.  ... 
doi:10.24297/ijct.v22i.9228 fatcat:jtvc4oddznghxh66lpwks2txiy

Using Image Quality Assessment to Test Rendering Algorithms

Julian Amann, Bastian Weber, Charles Albert Wüthrich
2013 International Conference in Central Europe on Computer Graphics and Visualization  
ACKNOWLEDGEMENTS This work was partially funded by the BMBFprojects CAPTURE (01IW09001) and DENSITY (01IW12001). ACKNOWLEDGEMENTS We thank reviewers for their helpful comments.  ...  ACKNOWLEDGMENTS We would like to thank all reviewers for their valuable comments which help us to improve the paper.  ...  The vertex position has to be transformed by the given transformation matrix, and the density value has to be tested if the blade is visible.  ... 
dblp:conf/wscg/AmannWW13 fatcat:wpubb4ubb5bdlg4265n32u3y6y

Encoding of forelimb forces by corticospinal tract activity in the rat

Yi Guo, Richard A. Foulds, Sergei V. Adamovich, Mesut Sahin
2014 Frontiers in Neuroscience  
Computed regression coefficients were then used to predict isometric forces in additional trials.  ...  The correlation between measured and predicted forces in the vertical direction averaged across six animals was 0.67 and R 2 value was 0.44.  ...  Adamovich, National Institute on Disability and Rehabilitation Research Grant (H133E0511-06) to Richard A.  ... 
doi:10.3389/fnins.2014.00062 pmid:24847198 pmcid:PMC4013477 fatcat:6me3cfppsnhrhkrzzlrvhn7wkq

Spatio temporal media components for neurofeedback

Camilla B. Falk Jensen, Michael Kai Petersen, Jakob Eg Larsen, Arkadiuzs Stopczynski, Carsten Stahlhut, Marieta Georgieva Ivanova, Tobias Andersen, Lars Kai Hansen
2013 2013 IEEE International Conference on Multimedia and Expo Workshops (ICMEW)  
This leads to identification of underlying audio, visual and haptic feedback components, which combined may support the underlying interaction within personal informatics.  ...  And with the emerging availability of sensor packed wearable devices, haptic feedback may become an inherent part of personal informatics systems, which could enhance the interaction based visual feedback  ...  We thank the reviewers for many useful comments and suggestions.  ... 
doi:10.1109/icmew.2013.6618362 dblp:conf/icmcs/JensenPLSSIAH13 fatcat:6mkz63nyijasdcf3ry2cizoddq

Geometric Analysis in Cultural Heritage [article]

Ruggero Pintus, Kazim Pal, Ying Yang, Tim Weyrich, Enrico Gobbetti, Holly Rushmeier
2014 Eurographics Workshop on Graphics and Cultural Heritage  
The problems considered include shape perception enhancement, restoration and preservation support, monitoring over time, object interpretation, and collection analysis.  ...  We finalize the report by discussing open problems and future perspectives.  ...  We also acknowledge the contribution of Sardinian Regional authorities and the support for H. Rushmeier from US National Science Foundation grant IIS-1302267.  ... 
doi:10.2312/gch.20141310 fatcat:chop5g327fhspl6pvji3h72kci

Peg-in-Hole Revisited: A Generic Force Model for Haptic Assembly

Morad Behandish, Horea T. Ilieş
2014 Volume 1B: 34th Computers and Information in Engineering Conference   unpublished
The development of a generic and effective force model for semi-automatic or manual virtual assembly with haptic support is not a trivial task, especially when the assembly constraints involve complex  ...  Haptic assistance has been found useful in several design activities that can benefit from domain expertise and cognitive capabilities of human operators (which are hard to formalize for full automation  ...  Acknowledgements This work was supported in part by the National Science Foundation grants CMMI-1200089, CMMI-0927105, and CNS-0927105.  ... 
doi:10.1115/detc2014-35290 fatcat:thcoyrgsvzhcvnvbk6f66qyk3e

A Survey of Geometric Analysis in Cultural Heritage

Ruggero Pintus, Kazim Pal, Ying Yang, Tim Weyrich, Enrico Gobbetti, Holly Rushmeier
2015 Computer graphics forum (Print)  
The problems considered include shape perception enhancement, restoration and preservation support, monitoring over time, object interpretation, and collection analysis.  ...  The survey is aimed at researchers in the areas of computer graphics, computer vision, and cultural heritage computing, as well as to scholars and practitioners in the cultural heritage field.  ...  We also acknowledge the contribution of Sardinian Regional authorities and the support for H. Rushmeier from US National Science Foundation grant IIS-1302267.  ... 
doi:10.1111/cgf.12668 fatcat:hflhxiz5wfcundqqpykgimnul4

2021 Index IEEE Robotics and Automation Letters Vol. 6

2021 IEEE Robotics and Automation Letters  
The primary entry includes the coauthors' names, the title of the paper or other item, and its location, specified by the publication abbreviation, year, month, and inclusive pagination.  ...  The Subject Index contains entries describing the item under all appropriate subject headings, plus the first author's name, the publication abbreviation, month, and year, and inclusive pages.  ...  ., +, LRA Oct. 2021 6140-6147 Fast Fourier transforms DMD-Based Background Flow Sensing for AUVs in Flow Pattern Changing Environments.  ... 
doi:10.1109/lra.2021.3119726 fatcat:lsnerdofvveqhlv7xx7gati2xu

A Survey on Deep Learning for Skeleton-Based Human Animation [article]

L. Mourot, L. Hoyet, F. Le Clerc, François Schnitzler
2021 arXiv   pre-print
Finally, we discuss the limitations of the current state-of-the-art methods based on deep learning and/or deep reinforcement learning in skeletal human character animation and possible directions of future  ...  research to alleviate current limitations and meet animators' needs.  ...  The key ideas include using haptic information in the state, dividing the task into subtasks, using the end states of one subtask as initial states for training the next one and including cloth deformation  ... 
arXiv:2110.06901v1 fatcat:abppln4rbbeufiw4z6a3wnk7oy
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