Publication statistics

Pub. period:1986-2011
Pub. count:27
Number of co-authors:50



Co-authors

Number of publications with 3 favourite co-authors:

Mira Dontcheva:4
Steven M. Drucker:4
Steven J. Gortler:3

 

 

Productive colleagues

Michael F. Cohen's 3 most productive colleagues in number of publications:

Kwan-Liu Ma:60
Maneesh Agrawala:36
Steven M. Drucker:26
 
 
 

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Michael F. Cohen

 

Publications by Michael F. Cohen (bibliography)

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2011
 
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Pongnumkul, Suporn, Dontcheva, Mira, Li, Wilmot, Wang, Jue, Bourdev, Lubomir, Avidan, Shai and Cohen, Michael F. (2011): Pause-and-play: automatically linking screencast video tutorials with applications. In: Proceedings of the 2011 ACM Symposium on User Interface Software and Technology 2011. pp. 135-144. Available online

Video tutorials provide a convenient means for novices to learn new software applications. Unfortunately, staying in sync with a video while trying to use the target application at the same time requires users to repeatedly switch from the application to the video to pause or scrub backwards to replay missed steps. We present Pause-and-Play, a system that helps users work along with existing video tutorials. Pause-and-Play detects important events in the video and links them with corresponding events in the target application as the user tries to replicate the depicted procedure. This linking allows our system to automatically pause and play the video to stay in sync with the user. Pause-and-Play also supports convenient video navigation controls that are accessible from within the target application and allow the user to easily replay portions of the video without switching focus out of the application. Finally, since our system uses computer vision to detect events in existing videos and leverages application scripting APIs to obtain real time usage traces, our approach is largely independent of the specific target application and does not require access or modifications to application source code. We have implemented Pause-and-Play for two target applications, Google SketchUp and Adobe Photoshop, and we report on a user study that shows our system improves the user experience of working with video tutorials.

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

 
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Koppal, Sanjeev J., Zitnick, C. Lawrence, Cohen, Michael F., Kang, Sing Bing, Ressler, Bryan and Colburn, Alex (2011): A Viewer-Centric Editor for 3D Movies. In IEEE Computer Graphics and Applications, 31 (1) pp. 20-35. Available online

2009
 
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Zheng, Ke Colin, Colburn, Alex, Agarwala, Aseem, Agrawala, Maneesh, Salesin, David, Curless, Brian and Cohen, Michael F. (2009): Parallax photography: creating 3D cinematic effects from stills. In: Proceedings of the 2009 Conference on Graphics Interface 2009. pp. 111-118. Available online

We present an approach to convert a small portion of a light field with extracted depth information into a cinematic effect with simulated, smooth camera motion that exhibits a sense of 3D parallax. We develop a taxonomy of the cinematic conventions of these effects, distilled from observations of documentary film footage and organized by the number of subjects of interest in the scene. We present an automatic, content-aware approach to apply these cinematic conventions to an input light field. A face detector identifies subjects of interest. We then optimize for a camera path that conforms to a cinematic convention, maximizes apparent parallax, and avoids missing information in the input. We describe a GPU-accelerated, temporally coherent rendering algorithm that allows users to create more complex camera moves interactively, while experimenting with effects such as focal length, depth of field, and selective, depth-based desaturation or brightening. We evaluate and demonstrate our approach on a wide variety of scenes and present a user study that compares our 3D cinematic effects to their 2D counterparts.

© All rights reserved Zheng et al. and/or their publisher

 
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Chen, Billy, Neubert, Boris, Ofek, Eyal, Deussen, Oliver and Cohen, Michael F. (2009): Integrated videos and maps for driving directions. In: Proceedings of the ACM Symposium on User Interface Software and Technology 2009. pp. 223-232. Available online

While onboard navigation systems are gaining in importance, maps are still the medium of choice for laying out a route to a destination and for way finding. However, even with a map, one is almost always more comfortable navigating a route the second time due to the visual memory of the route. To make the first time navigating a route feel more familiar, we present a system that integrates a map with a video automatically constructed from panoramic imagery captured at close intervals along the route. The routing information is used to create a variable speed video depicting the route. During playback of the video, the frame and field of view are dynamically modulated to highlight salient features along the route and connect them back to the map. A user interface is demonstrated to allow exploration of the combined map, video, and textual driving directions. We discuss the construction of the hybrid map and video interface. Finally, we report the results of a study that provides evidence of the effectiveness of such a system for route following.

© All rights reserved Chen et al. and/or their publisher

2008
 
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Pongnumkul, Suporn, Wang, Jue and Cohen, Michael F. (2008): Creating map-based storyboards for browsing tour videos. In: Cousins, Steve B. and Beaudouin-Lafon, Michel (eds.) Proceedings of the 21st Annual ACM Symposium on User Interface Software and Technology October 19-22, 2008, Monterey, CA, USA. pp. 13-22. Available online

 
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Luan, Qing, Drucker, Steven M., Kopf, Johannes, Xu, Ying-Qing and Cohen, Michael F. (2008): Annotating gigapixel images. In: Cousins, Steve B. and Beaudouin-Lafon, Michel (eds.) Proceedings of the 21st Annual ACM Symposium on User Interface Software and Technology October 19-22, 2008, Monterey, CA, USA. pp. 33-36. Available online

2007
 
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Dontcheva, Mira, Drucker, Steven M., Salesin, David and Cohen, Michael F. (2007): Relations, cards, and search templates: user-guided web data integration and layout. In: Proceedings of the ACM Symposium on User Interface Software and Technology October 7-10, 2007, Newport, Rhode Island, USA. pp. 61-70. Available online

We present three new interaction techniques for aiding users in collecting and organizing Web content. First, we demonstrate an interface for creating associations between websites, which facilitate the automatic retrieval of related content. Second, we present an authoring interface that allows users to quickly merge content from many different websites into a uniform and personalized representation, which we call a card. Finally, we introduce a novel search paradigm that leverages the relationships in a card to direct search queries to extract relevant content from multiple Web sources and fill a new series of cards instead of just returning a list of webpage URLs. Preliminary feedback from users is positive and validates our design.

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

2006
 
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Dontcheva, Mira, Drucker, Steven M., Wade, Geraldine, Salesin, David and Cohen, Michael F. (2006): Summarizing personal web browsing sessions. In: Proceedings of the ACM Symposium on User Interface Software and Technology 2006. pp. 115-124. Available online

We describe a system, implemented as a browser extension, that enables users to quickly and easily collect, view, and share personal Web content. Our system employs a novel interaction model, which allows a user to specify webpage extraction patterns by interactively selecting webpage elements and applying these patterns to automatically collect similar content. Further, we present a technique for creating visual summaries of the collected information by combining user labeling with predefined layout templates. These summaries are interactive in nature: depending on the behaviors encoded in their templates, they may respond to mouse events, in addition to providing a visual summary. Finally, the summaries can be saved or sent to others to continue the research at another place or time. Informal evaluation shows that our approach works well for popular websites, and that users can quickly learn this interaction model for collecting content from the Web.

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

 
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Cohen, Michael F. and Szeliski, Richard (2006): The Moment Camera. In IEEE Computer, 39 (8) pp. 40-45. Available online

2005
 
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Dontcheva, Mira, Drucker, Steven M. and Cohen, Michael F. (2005): v4v: a View for the Viewer. In: Proceedings of the Conference on Designing for User Experiences DUX05 2005. p. 19. Available online

We present a View for the Viewer (v4v), a slide viewer that focuses on the needs of the viewer of a presentation instead of the presenter. Our design centers on representing the deck of slides as a stack embedded in a 3-D world. With only single button clicks, the viewer can quickly and easily navigate the deck of slides. We provide four types of annotation techniques and have designed a synchronization mechanism that makes it easy for the viewer to move in and out of sync with the presenter. We also supply alarms as a method for viewer notification. We evaluate our approach with a preliminary user study resulting in positive feedback about our design plus suggestions for improvements and extensions.

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

2001
 
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III, Charles F. Rose, Sloan, Peter-Pike J. and Cohen, Michael F. (2001): Artist-Directed Inverse-Kinematics Using Radial Basis Function Interpolation. In Comput. Graph. Forum, 20 (3) .

 
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Liu, Zicheng, Zhang, Zhengyou, Jacobs, Chuck and Cohen, Michael F. (2001): Rapid modeling of animated faces from video. In Journal of Visualization and Computer Animation, 12 (4) pp. 227-240.

 
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Sloan, Peter-Pike J., III, Charles F. Rose and Cohen, Michael F. (2001): Shape by example. In: SI3D 2001 2001. pp. 135-143. Available online

2000
 
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Liu, Zicheng, Zhang, Zhengyou, Jacobs, Chuck and Cohen, Michael F. (2000): Rapid modeling of animated faces from video images. In: ACM Multimedia 2000 2000. pp. 475-476. Available online

 
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Cohen, Michael F. (2000): Imagination Amplification. In IEEE Computer Graphics and Applications, 20 (1) pp. 54-55. Available online

1999
 
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Raskar, Ramesh and Cohen, Michael F. (1999): Image precision silhouette edges. In: SI3D 1999 1999. pp. 135-140. Available online

1998
 
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Cunningham, Steve, Bransford, Walt and Cohen, Michael F. (eds.) Proceedings of the 25th annual conference on Computer graphics and interactive techniques 1998.

 
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Rose, Charles, Cohen, Michael F. and Bodenheimer, Bobby (1998): Verbs and Adverbs: Multidimensional Motion Interpolation. In IEEE Computer Graphics and Applications, 18 (5) pp. 32-40. Available online

1997
 
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Sloan, Peter-Pike J., Cohen, Michael F. and Gortler, Steven J. (1997): Time Critical Lumigraph Rendering. In: SI3D 1997 1997. pp. 17-24,181. Available online

1995
 
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Gortler, Steven J. and Cohen, Michael F. (1995): Hierarchical and Variational Geometric Modeling with Wavelets. In: SI3D 1995 1995. pp. 35-42,205. Available online

1994
 
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Schroder, Peter, Gortler, Steven J., Cohen, Michael F. and Hanrahan, Pat (1994): Wavelet Projections for Radiosity. In Comput. Graph. Forum, 13 (2) pp. 141-151.

1992
 
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Cohen, Michael F., Painter, James S., Mehta, Mihir and Ma, Kwan-Liu (1992): Volume Seedlings. In: SI3D 1992 1992. pp. 139-145. Available online

1990
 
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Dooley, D. and Cohen, Michael F. (1990): Automatic Illustration of 3D Geometric Models: Surfaces. In: IEEE Visualization 1990 1990. pp. 307-314.

1988
 
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Isaacs, Paul M. and Cohen, Michael F. (1988): Mixed methods for complex kinematic constraints in dynamic figure animation. In The Visual Computer, 4 (6) pp. 296-305. Available online

1986
 
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Meyer, Gary W., Rushmeier, Holly E., Cohen, Michael F., Greenberg, Donald P. and Torrance, Kenneth E. (1986): An Experimental Evaluation of Computer Graphics Imagery. In ACM Transactions on Graphics, 5 (1) pp. 30-50.

 
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Baum, Daniel R., Wallace, John R., Cohen, Michael F. and Greenberg, Donald P. (1986): The back-buffer algorithm: An extension of the radiosity method to dynamic environments. In The Visual Computer, 2 (5) pp. 298-306. Available online

 
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Greenberg, Donald P., Cohen, Michael F. and Torrance, Kenneth E. (1986): Radiosity: A method for computing global illumination. In The Visual Computer, 2 (5) pp. 291-297. Available online

 
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