Articles with "convolutional dictionary" as a keyword



CDME: Convolutional Dictionary Iterative Model for Pansharpening With Mixture of Experts

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Published in 2025 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2025.3545472

Abstract: In this letter, we propose a convolutional dictionary iterative model for pansharpening with a mixture of experts. First, we define an observation model to model the common and unique feature information between multispectral (MS) and… read more here.

Keywords: mixture experts; dictionary iterative; mixture; iterative model ... See more keywords

Image Denoising for Low-Dose CT via Convolutional Dictionary Learning and Neural Network

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Published in 2023 at "IEEE Transactions on Computational Imaging"

DOI: 10.1109/tci.2023.3241546

Abstract: Removing noise and artifacts from low-dose computed tomography (LDCT) is a challenging task, and most existing image-based algorithms tend to blur the results. To improve the resolution of denoising results, we combine convolutional dictionary learning… read more here.

Keywords: neural network; convolutional dictionary; image; dictionary learning ... See more keywords
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Slice-Based Online Convolutional Dictionary Learning

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Published in 2021 at "IEEE Transactions on Cybernetics"

DOI: 10.1109/tcyb.2019.2931914

Abstract: Convolutional dictionary learning (CDL) aims to learn a structured and shift-invariant dictionary to decompose signals into sparse representations. While yielding superior results compared to traditional sparse coding methods on various signal and image processing tasks,… read more here.

Keywords: slice based; based online; dictionary learning; convolutional dictionary ... See more keywords

Tensor Convolutional Dictionary Learning With CP Low-Rank Activations

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Published in 2022 at "IEEE Transactions on Signal Processing"

DOI: 10.1109/tsp.2021.3135695

Abstract: In this paper, we propose to extend the standard Convolutional Dictionary Learning problem to a tensor representation where the activations are constrained to be “low-rank” through a Canonical Polyadic decomposition. We show that this additional… read more here.

Keywords: rank; tensor convolutional; convolutional dictionary; low rank ... See more keywords