Google AI Blog: Google at CVPR 2011

Google at CVPR 2011

Thursday, June 16, 2011

Posted by Mei Han and Sergey Ioffe, Research TeamIEEE International Conference on Computer Vision and Pattern RecognitionImage SearchYouTubeStreet ViewPicasaGogglesAndrew Senior

Where's Waldo: Matching People in Images of Crowds by Rahul Garg, Deva Ramanan, Steve Seitz, Noah Snavely

Visual and Semantic Similarity in ImageNet by Thomas Deselaers, Vittorio Ferrari

Multicore Bundle Adjustment by Changchang Wu, Sameer Agarwal, Brian Curless, Steve Seitz

A Hierarchical Conditional Random Field Model for Labeling and Segmenting Images of Street Scenes by Qixing Huang, Mei Han, Bo Wu, Sergey Ioffe

Kernelized Structural SVM Learning for Supervised Object Segmentation by Luca Bertelli, Tianli Yu, Diem Vu, Salih Gokturk

Discriminative Tag Learning on YouTube Videos with Latent Sub-tags by Weilong Yang, George Toderici

Auto-Directed Video Stabilization with Robust L1 Optimal Camera Paths by Matthias Grundmann, Vivek Kwatra, Irfan Essa

Image Saliency: From Local to Global Context by Meng Wang, Janusz Konrad, Prakash Ishwar, Yushi Jing, Henry Rowley

Google Earth Facade Shadow Removal by Mei Han, Vivek Kwatra, and Shengyang Dai
We will demonstrate our technique for removing shadows and other lighting/texture artifacts from building facades in Google Earth. We obtain cleaner, clearer, and more uniform textures which provide users with an improved visual experience.

Video Stabilization on YouTube Editor by Matthias Grundmann, Vivek Kwatra, and Irfan Essa
Casually shot videos captured by handheld or mobile cameras suffer from significant amount of shake. In contrast, professionally shot video usually employs stabilization equipment such as tripods or camera dollies, and employ ease-in and ease-out for transitions. Our technique mimics these cinematographic principles, by optimally dividing the original, shaky camera path into a set of segments and approximating each with either constant, linear or parabolic motion using a computationally efficient and stable algorithm. We will showcase a live version of our algorithm, featuring real-time performance and interactive control, which is publicly available at youtube.com/editor.

Tag Suggest for YouTube by George Toderici and Mehmet Emre Sargin
YouTube offers millions of users the opportunity to upload videos and share them with their friends. Many users would love to have their videos discoverable but don't annotate them properly. One new feature on YouTube that seeks to address this problem is tag prediction based on video content and independently based on text metadata.

6/17/2011 UPDATE: "Posted by" was changed to include Sergey Ioffe.

2 comments :

frickelblogJune 17, 2011 at 1:27 AM
Congratulations!
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RahulAugust 2, 2011 at 7:54 AM
great work.
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Google at CVPR 2011

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