Papers › Efficient Object Localization Using Convolutional Networks

Efficient Object Localization Using Convolutional Networks

16 Nov 2014CVPR 2015 6arXiv:1411.4280archive 2025-07-28

Jonathan Tompson, Ross Goroshin, Arjun Jain, Yann Lecun, Christopher Bregler

Recent state-of-the-art performance on human-body pose estimation has been achieved with Deep Convolutional Networks (ConvNets). Traditional ConvNet architectures include pooling and sub-sampling layers which reduce computational requirements, introduce invariance and prevent over-training. These benefits of pooling come at the cost of reduced localization accuracy. We introduce a novel architecture which includes an efficient `position refinement' model that is trained to estimate the joint offset location within a small region of the image. This refinement model is jointly trained in cascade with a state-of-the-art ConvNet model to achieve improved accuracy in human joint location estimation. We show that the variance of our detector approaches the variance of human annotations on the FLIC dataset and outperforms all existing approaches on the MPII-human-pose dataset.

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Introduced by this paper: SpatialDropout

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