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Unsupervised Visual Representation Learning by Context ...

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Unsupervised Visual Representation Learning by Context PredictionCarl Doersch1,2Abhinav Gupta1Alexei A. Efros21School of Computer Science2Dept. of Electrical Engineering and Computer ScienceCarnegie Mellon UniversityUniversity of California, BerkeleyAbstractThis work explores the use of spatial Context as a sourceof free and plentiful supervisory signal for training a richvisual Representation . Given only a large, unlabeled imagecollection, we extract random pairs of patches from eachimage and train a convolutional neural net to predict the po-sition of the second patch relative to the first. We argue thatdoing well on this task requires the model to learn to recog-nize objects and their parts. We demonstrate that the fea-ture Representation learned using this within-image contextindeed captures Visual similarity across images.

Unsupervised Visual Representation Learning by Context Prediction Carl Doersch1,2 Abhinav Gupta1 Alexei A. Efros2 1 School of Computer Science 2 Dept. of Electrical Engineering and Computer Science Carnegie Mellon University University of California, Berkeley Abstract This work explores the use of spatial context as a source

  Learning, Context, Visual, Representation, Prediction, Unsupervised, Unsupervised visual representation learning by, Unsupervised visual representation learning by context prediction

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