Computer graphics once focused exclusively on realism. The field eventually broadened to include other pictorial...Frédo Durand From Communications of the ACM | January 2012
This paper presents the results of a study in which artists made line drawings intended to convey specific 3D shapes.Forrester Cole, Aleksey Golovinskiy, Alex Limpaecher, Heather Stoddart Barros, Adam Finkelstein, Thomas Funkhouser, Szymon Rusinkiewicz From Communications of the ACM | January 2012
In a social network, nodes correspond to people or other social entities, and edges correspond to social links between them. We describe a family of attacks such...Lars Backstrom, Cynthia Dwork, Jon Kleinberg From Communications of the ACM | December 2011
In a breakthrough contribution, the authors of the paper that follows have developed an efficient way to find approximate nearest neighbors for the case of database...William T. Freeman From Communications of the ACM | November 2011
This paper presents a new randomized algorithm for quickly finding approximate nearest neighbor matches between image patches. Our algorithm offers substantial...Connelly Barnes, Dan B. Goldman, Eli Shechtman, Adam Finkelstein From Communications of the ACM | November 2011
To better understand what improvement in processor efficiency is possible, we quantify the performance and energy overheads of a 720p HD H.264 encoder running on...Rehan Hameed, Wajahat Qadeer, Megan Wachs, Omid Azizi, Alex Solomatnikov, Benjamin C. Lee, Stephen Richardson, Christos Kozyrakis, Mark Horowitz From Communications of the ACM | October 2011
A typical machine learning program uses weighted combinations of features to discriminate between classes or to predict...Geoffrey E. Hinton From Communications of the ACM | October 2011
There has been much interest in unsupervised learning of hierarchical generative models such as deep belief networks (DBNs); however, scaling such models to full...Honglak Lee, Roger Grosse, Rajesh Ranganath, Andrew Y. Ng From Communications of the ACM | October 2011
Nearly 460,000 Flickr pictures were used to create detailed three-dimensional geometry and colors of famous landmarks and...Carlo Tomasi From Communications of the ACM | October 2011
We present a system that can reconstruct 3D geometry from large, unorganized collections of photographs. Our experimental results demonstrate that it is possible...Sameer Agarwal, Yasutaka Furukawa, Noah Snavely, Ian Simon, Brian Curless, Steven M. Seitz, Richard Szeliski From Communications of the ACM | October 2011
The search for efficient image denoising methods is still a valid challenge at the crossing of functional analysis and statistics. In spite of the sophistication...Antoni Buades, Bartomeu Coll, Jean-Michel Morel From Communications of the ACM | May 2011
About 5,000 images per minute are uploaded to the photo-sharing site http://www.flickr.com/; over...Guillermo Sapiro From Communications of the ACM | May 2011
CDOs are examples of financial derivatives, with a value that depends on the underlying assets with which they are linked. These kinds of complex financial products...David C. Parkes From Communications of the ACM | May 2011
Securitization of cash flows using financial derivatives transformed the financial industry over the last three decades. Derivatives...Sanjeev Arora, Boaz Barak, Markus Brunnermeier, Rong Ge From Communications of the ACM | May 2011
While a large body of work exists on DRAM in lab conditions, little has been reported on real DRAM failures in large production clusters. In this paper, we analyze...Bianca Schroeder, Eduardo Pinheiro, Wolf-Dietrich Weber From Communications of the ACM | February 2011
In order to advance the field, knowledge of the types of memory errors at the system level, their frequencies, and conditions that exacerbate or are unrelated to...Norman P. Jouppi From Communications of the ACM | February 2011
The sequence memoizer is a new hierarchical Bayesian model for discrete sequence data that captures long range dependencies and power-law characteristics, while...Frank Wood, Jan Gasthaus, Cédric Archambeau, Lancelot James, Yee Whye Teh From Communications of the ACM | February 2011
The history of probabilistic sequence models dates back to Markov at the turn of the last century. Though informed by decades of research...Fernando Pereira From Communications of the ACM | February 2011
Sora, a fully programmable software radio platform on commodity PC architectures, combines the performance and fidelity of hardware software-defined radio platforms...Kun Tan, He Liu, Jiansong Zhang, Yongguang Zhang, Ji Fang, Geoffrey M. Voelker From Communications of the ACM | January 2011