Recurrence along Depth: Deep Convolutional Neural Networks with Recurrent Layer Aggregation
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Abstract (arXiv)
This paper introduces a concept of layer aggregation to describe how information from previous layers can be reused to better extract features at the current layer. While DenseNet is a typical example of the layer aggregation mechanism, its redundancy has been commonly criticized in the literature. This motivates us to propose a very light-weighted module, called recurrent layer aggregation (RLA), by making use of the sequential structure of layers in a deep CNN. Our RLA module is compatible with many mainstream deep CNNs, including ResNets, Xception and MobileNetV2, and its effectiveness is verified by our extensive experiments on image classification, object detection and instance segmentation tasks. Specifically, improvements can be uniformly observed on CIFAR, ImageNet and MS COCO datasets, and the corresponding RLA-Nets can surprisingly boost the performances by 2-3% on the object detection task. This evidences the power of our RLA module in helping main CNNs better learn structural information in images.
Key facts. Cited by 13 papers in the map (data through 14 Oct 2026). Builds on 49 of its 62 references that are in the map. First posted on arXiv 22 Oct 2021.
Builds on
49 of 62 references.
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Citing papers per year: 2021: 1; 2022: 2; 2023: 3; 2024: 2; 2025: 3; 2026: 2.
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- 2022Dense Learning based Semi-Supervised Object Detectioncited by 32
- 2023Cross-Layer Retrospective Retrieving via Layer Attentioncited by 22
- 2024Strengthening Layer Interaction via Dynamic Layer Attentioncited by 10
- 2023Understanding Self-attention Mechanism via Dynamical System Perspectivecited by 9
- 2025Mitigating Hallucinations via Inter-Layer Consistency Aggregation in Large Vision-Language Modelscited by 7
- 2022A Generic Shared Attention Mechanism for Various Backbone Neural Networkscited by 5
- 2021TDAM: Top-Down Attention Module for Contextually Guided Feature Selection in CNNscited by 4
- 2025HalluRNN: Mitigating Hallucinations via Recurrent Cross-Layer Reasoning in Large Vision-Language Modelscited by 4
- 2025Enhancing Layer Attention Efficiency through Pruning Redundant Retrievalscited by 3
- 2023Gramian Attention Heads are Strong yet Efficient Vision Learnerscited by 1
- 2024BA-Net: Bridge Attention in Deep Neural Networkscited by 0
- 2026Enhancing Layer Interaction Using Key-Correlated Layer Attentioncited by 0
1 more
- 2026Enhancing Oracle Bone Inscription Recognition via Multi-Scale Layer Attention30 Jun 2026
- 2026Enhancing Layer Interaction Using Key-Correlated Layer Attention24 Jun 2026
- 2025HalluRNN: Mitigating Hallucinations via Recurrent Cross-Layer Reasoning in Large Vision-Language Models21 Jun 2025
- 2025Mitigating Hallucinations via Inter-Layer Consistency Aggregation in Large Vision-Language Models18 May 2025
- 2025Enhancing Layer Attention Efficiency through Pruning Redundant Retrievals9 Mar 2025
- 2024BA-Net: Bridge Attention in Deep Neural Networks10 Oct 2024
- 2024Strengthening Layer Interaction via Dynamic Layer Attention19 Jun 2024
- 2023Gramian Attention Heads are Strong yet Efficient Vision Learners25 Oct 2023
- 2023Understanding Self-attention Mechanism via Dynamical System Perspective19 Aug 2023
- 2023Cross-Layer Retrospective Retrieving via Layer Attention8 Feb 2023
- 2022A Generic Shared Attention Mechanism for Various Backbone Neural Networks27 Oct 2022
- 2022Dense Learning based Semi-Supervised Object Detection15 Apr 2022
1 more
- 2022Dense Learning based Semi-Supervised Object Detectioncited by 32
- 2023Cross-Layer Retrospective Retrieving via Layer Attentioncited by 22
- 2024Strengthening Layer Interaction via Dynamic Layer Attentioncited by 10
- 2023Understanding Self-attention Mechanism via Dynamical System Perspectivecited by 9
- 2022A Generic Shared Attention Mechanism for Various Backbone Neural Networkscited by 5
- 2021TDAM: Top-Down Attention Module for Contextually Guided Feature Selection in CNNscited by 4
- 2025Enhancing Layer Attention Efficiency through Pruning Redundant Retrievalscited by 3
- 2023Gramian Attention Heads are Strong yet Efficient Vision Learnerscited by 1
- 2024BA-Net: Bridge Attention in Deep Neural Networkscited by 0
- 2026Enhancing Layer Interaction Using Key-Correlated Layer Attentioncited by 0
- 2026Enhancing Oracle Bone Inscription Recognition via Multi-Scale Layer Attentioncited by 0
- 2026Enhancing Oracle Bone Inscription Recognition via Multi-Scale Layer Attention30 Jun 2026
- 2026Enhancing Layer Interaction Using Key-Correlated Layer Attention24 Jun 2026
- 2025Enhancing Layer Attention Efficiency through Pruning Redundant Retrievals9 Mar 2025
- 2024BA-Net: Bridge Attention in Deep Neural Networks10 Oct 2024
- 2024Strengthening Layer Interaction via Dynamic Layer Attention19 Jun 2024
- 2023Gramian Attention Heads are Strong yet Efficient Vision Learners25 Oct 2023
- 2023Understanding Self-attention Mechanism via Dynamical System Perspective19 Aug 2023
- 2023Cross-Layer Retrospective Retrieving via Layer Attention8 Feb 2023
- 2022A Generic Shared Attention Mechanism for Various Backbone Neural Networks27 Oct 2022
- 2022Dense Learning based Semi-Supervised Object Detection15 Apr 2022
- 2021TDAM: Top-Down Attention Module for Contextually Guided Feature Selection in CNNs26 Nov 2021