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Gradient Descent Meets Shift-and-Invert Preconditioning for Eigenvector Computation

Neural Information Processing Systems

Shift-and-invert preconditioning, as a classic acceleration technique for the leading eigenvector computation, has received much attention again recently, owing to fast least-squares solvers for efficiently approximating matrix inversions in power iterations.



Revisiting Multi-Task Learning with ROCK: a Deep Residual Auxiliary Block for Visual Detection

Neural Information Processing Systems

Extensiveexperiments on NYUv2 dataset (object detection with scene classification, depth prediction, and surface normal estimation as auxiliary tasks) validate the relevance of the approach and its superiority to flat MTL approaches.


Geometry-Aware Neural Rendering

Neural Information Processing Systems

Understanding the 3-dimensional structure of the world is a core challenge in computer vision androbotics. Neural rendering approaches learnanimplicit 3D model by predicting what acamera would see from an arbitrary viewpoint.


I've Lived Long Enough to Hear an A.I.-Generated Bon Jovi Song in Olympic Ice Dancing

Slate

That move may have warded off the lawyers, but it didn't slide past Olympic viewers. Disgusted reactions ensued immediately after Mrázková and Mrázek took the ice and NBC's announcers pointed out that, while half of their choreography was set to AC/DC's "Thunderstruck," the other half had been soundtracked by A.I. The ISU's own documentation identifies the track as something called "One Two," created by an A.I. prompted to come up with something resembling "90s style Bon Jovi."


Iran Turns to Digital Surveillance Tools to Track Down Protesters

NYT > Middle East

These digital surveillance abilities have received less attention than the internet blackouts that the government imposed during the violent crackdown to end the protests last month. But as authorities slowly restore some online access, they have detained people who were believed to have attended protests and subjected them to hours of interrogation based on facial recognition and phone data, according to accounts from Iranians and a government security official in the country. Some people who posted on social media about the protests and other political topics have had their phone SIM cards suspended -- effectively shutting off access to mobile networks -- while others received warning phone calls and faced banking service interruptions, according to a report that was released this week by Holistic Resilience, a digital rights group focused on Iran. The authorities' hope was to hunt down the "leaders of the riots" and arrest them, according to the government security official, who declined to be identified. "They can follow you to the streets," said Mahdi Saremifar, a researcher with Holistic Resilience.