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ReferencesNavigation arrowAuthorsNavigation arrowAnkit Gupta
Jun 19

“ ... there are no simple 'right' answers for most web design questions (at least not for the important ones). What works is good, integrated design that fills a need--carefully thought out, well executed, and tested. ”

-- Steve Krug, Don't Make Me Think, p. 136

 
 

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Ankit Gupta

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Publications by Ankit Gupta (bibliography)

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2012
 
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Gupta, Ankit, Fox, Dieter, Curless, Brian and Cohen, Michael (2012): DuploTrack: a real-time system for authoring and guiding Duplo block assembly. In: Proceedings of the 2012 ACM Symposium on User Interface Software and Technology 2012. pp. 389-402.

“We demonstrate a realtime system which infers and tracks the assembly process of a snap-together block model using a Kinect® sensor. The inference enables us to build a virtual replica of the model at every step. Tracking enables us to provide context specific visual feedback on a screen by augmenting the rendered virtual model aligned with the physical model. The system allows users to author a new model and uses the inferred assembly process to guide its recreation by others. We propose a novel way of assembly guidance where the next block to be added is rendered in blinking mode with the tracked virtual model on screen. The system is also able to detect any mistakes made and helps correct them by providing appropriate feedback. We focus on assemblies of Duplo® blocks. We discuss the shortcomings of existing methods of guidance -- static figures or recorded videos -- and demonstrate how our method avoids those shortcomings. We also report on a user study to compare our system with standard figure-based guidance methods found in user manuals. The results of the user study suggest that our method is able to aid users' structural perception of the model better, leads to fewer assembly errors, and reduces model construction time.”

© All rights reserved Gupta et al. and/or ACM Press

 
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Held, Robert, Gupta, Ankit, Curless, Brian and Agrawala, Maneesh (2012): 3D puppetry: a Kinect-based interface for 3D animation. In: Proceedings of the 2012 ACM Symposium on User Interface Software and Technology 2012. pp. 423-434.

“We present a system for producing 3D animations using physical objects (i.e., puppets) as input. Puppeteers can load 3D models of familiar rigid objects, including toys, into our system and use them as puppets for an animation. During a performance, the puppeteer physically manipulates these puppets in front of a Kinect depth sensor. Our system uses a combination of image-feature matching and 3D shape matching to identify and track the physical puppets. It then renders the corresponding 3D models into a virtual set. Our system operates in real time so that the puppeteer can immediately see the resulting animation and make adjustments on the fly. It also provides 6D virtual camera \rev{and lighting} controls, which the puppeteer can adjust before, during, or after a performance. Finally our system supports layered animations to help puppeteers produce animations in which several characters move at the same time. We demonstrate the accessibility of our system with a variety of animations created by puppeteers with no prior animation experience.”

© All rights reserved Held et al. and/or ACM Press

 
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Gupta, Ankit (2012): Closing the loop between intentions and actions. In: Adjunct Proceedings of the 2012 ACM Symposium on User Interface Software and Technology 2012. pp. 27-30.

“In this document, I propose systems that aim to minimize the gap between intentions and the corresponding actions under different scenarios. The gap exists because of many reasons like subjective mapping between the two, lack of resources to implement the action, or inherent noise in the physical processes. The proposed system observes the action and infers the intention behind it. The system then generates a refined action using the inference. The inferred intention and the refined action are then provided as feedback to the user who can then perform corrective actions or choose the refined action as it is as the desired result. I demonstrate the design and implementation of such systems through five projects -- Image Deblurring, Tracking Block Model Assembly, Animating with Physical Proxies, What Affects Handwriting and Spying on the Writer.”

© All rights reserved Gupta and/or ACM Press

 
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23 Nov 2012: Modified
23 Nov 2012: Modified

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URL: http://www.interaction-design.org/references/authors/ankit_gupta.html
Jun 19

“ ... there are no simple 'right' answers for most web design questions (at least not for the important ones). What works is good, integrated design that fills a need--carefully thought out, well executed, and tested. ”

-- Steve Krug, Don't Make Me Think, p. 136

 
 

Featured chapter

Read the fascinating history of Wearable Computing, told by its father, Steve Mann

Read Steve's chapter !

 
 

Latest books

The Social Design of Technical Systems: Building technologies for communities
by Brian Whitworth and Adnan Ahmad

 
Start reading

The Encyclopedia of Human-Computer Interaction, 2nd Ed.
by Mads Soegaard and Rikke Friis Dam

 
Start reading
 
 

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