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Discriminative Learning with Latent Variables for Cluttered Indoor Scene Understanding
From Communications of the ACM

Discriminative Learning with Latent Variables for Cluttered Indoor Scene Understanding

We address the problem of understanding an indoor scene from a single image in terms of recovering the room geometry (floor, ceiling, and walls) and furniture layout...

From Communications of the ACM

Technical Perspective: Video Quality Assessment in the Age of Internet Video

With video delivery, it appears that once again "the Internet changes everything." In this changed environment, what measures of quality are most relevant, and...

Understanding the Impact of Video Quality on User Engagement
From Communications of the ACM

Understanding the Impact of Video Quality on User Engagement

As Internet-based videos become mainstream, user expectation for high quality is constantly increasing. In this context, it is crucial for content providers to...

From Communications of the ACM

Technical Perspective: Is Dark Silicon Real?

The microprocessor chip R&D community has been well aware of the so-called "power wall" challenge for over a decade. The following work by Esmaeilzadeh et al. is...

Power Challenges May End the Multicore Era
From Communications of the ACM

Power Challenges May End the Multicore Era

Tthe microprocessor industry has shifted to multicore scaling as its principal strategy for continuing performance growth. However, while transistor count increases...

From Communications of the ACM

Technical Perspective: Finding People in Depth

The following article by Shotton et al. describes a landmark computer vision system that takes a single depth image containing a person and automatically estimates...

Real-Time Human Pose Recognition in Parts from Single Depth Images
From Communications of the ACM

Real-Time Human Pose Recognition in Parts from Single Depth Images

We propose a new method to quickly and accurately predict human pose — the 3-D positions of body joints — from a single depth image, without depending on information...

From Communications of the ACM

Technical Perspective: Visualization, Understanding, and Design

Photographs capture the moment; paintings convey perception, impression, and feeling; illustrations tell stories. Computer graphics aims to enrich all these artistic...

From Communications of the ACM

Illustrating How Mechanical Assemblies Work

How-things-work visualizations use a variety of visual techniques to depict the operation of complex mechanical assemblies. We present an automated approach for...

From Communications of the ACM

Technical Perspective: Natural Algorithms in a Networked World

How do birds flock and fish school? How do individuals in a social network reach agreement, even though they are often only influenced by other like-minded individuals...

Natural Algorithms and Influence Systems
From Communications of the ACM

Natural Algorithms and Influence Systems

Algorithms lay the grounds for numerical simulations and, crucially, provide a powerful framework for their analysis. The new area of natural algorithms may reprise...

From Communications of the ACM

Technical Perspective: High-Level Data Structures

This lifting of data structure thinking to the relational level has long inspired computer scientists. In "An Introduction to Data Representation Synthesis," the...

An Introduction to Data Representation Synthesis
From Communications of the ACM

An Introduction to Data Representation Synthesis

We consider the problem of specifying combinations of data structures with complex sharing in a manner that is declarative and results in provably correct code.

From Communications of the ACM

Technical Perspective: The Realities of Home Broadband

Buying residential broadband services seems relatively simple: pick among a small number of plans, and then compare similar plans by price. Unfortunately, reality...

Measuring Home Broadband Performance
From Communications of the ACM

Measuring Home Broadband Performance

We present the results from the first study of Internet access link performance measured directly from home routers. Our findings provide a snapshot of access network...

From Communications of the ACM

Technical Perspective: Open Platforms for Computational Photography

A fundamental impediment to the widespread development and deployment of in-camera algorithms is the lack of a clean open architecture for controlling camera...

The Frankencamera
From Communications of the ACM

The Frankencamera: An Experimental Platform for Computational Photography

Progress in computational photography has been hampered by the lack of a portable, programmable camera with sufficient image quality and computing power. To address...

From Communications of the ACM

Technical Perspective: Graph Embeddings and Linear Equations

Algorithmic advances can come from the most unexpected places. The following paper describes an emerging approach to solving linear systems of equations that...

A Fast Solver for a Class of Linear Systems
From Communications of the ACM

A Fast Solver for a Class of Linear Systems

The solution of linear systems is a problem of fundamental theoretical importance but also one with a myriad of applications in numerical mathematics, engineering...

From Communications of the ACM

Technical Perspective: A High-Dimensional Surprise

High-dimensional space is a counterintuitive place, where natural geometric intuitions from the familiar three-dimensional world may lead us badly astray.
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