Global-residual and local-boundary refinement networks for rectifying scene parsing predictions

R Zhang, S Tang, M Lin, J Li, S Yan - Proceedings of the 26th …, 2017 - dl.acm.org
R Zhang, S Tang, M Lin, J Li, S Yan
Proceedings of the 26th International Joint Conference on Artificial …, 2017dl.acm.org
Most of the existing scene parsing methods suffer from the serious problems of both
inconsistent parsing results and object boundary shift. To tackle these issues, we first
propose a Global-residual Refinement Network (GRN) through exploiting global contextual
information to predict the parsing residuals and iteratively smoothen the inconsistent parsing
labels. Furthermore, we propose a Localboundary Refinement Network (LRN) to learn the
position-adaptive propagation coefficients so that local contextual information from …
Most of the existing scene parsing methods suffer from the serious problems of both inconsistent parsing results and object boundary shift. To tackle these issues, we first propose a Global-residual Refinement Network (GRN) through exploiting global contextual information to predict the parsing residuals and iteratively smoothen the inconsistent parsing labels. Furthermore, we propose a Localboundary Refinement Network (LRN) to learn the position-adaptive propagation coefficients so that local contextual information from neighbors can be optimally captured for refining object boundaries. Finally, we cascade the proposed two refinement networks after a fully residual convolutional neural network within a uniform framework. Extensive experiments on ADE20K and Cityscapes datasets well demonstrate the effectiveness of the two refinement methods for refining scene parsing predictions.
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