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Cascade residuals guided nonlinear dictionary learning

Zhang, Tong; Porikli, Fatih


In this paper, we aim to extend dictionary learning onto hierarchical image representations in a principled way. To achieve dictionary atoms capture additional information from extended receptive fields and attain improved descriptive capacity, we present a two-pass multi-resolution cascade framework for dictionary learning and sparse coding. This cascade method allows collaborative reconstructions at different resolutions using only the same dimensional dictionary atoms. The jointly learned...[Show more]

CollectionsANU Research Publications
Date published: 2018-04-18
Type: Journal article
Source: Computer Vision and Image Understanding
DOI: 10.1016/j.cviu.2018.04.004


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