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VisionGRU: A Linear-Complexity RNN Model for Efficient Image Analysis

发表:2024/12/24
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TL;DR 精炼摘要

VisionGRU提出了一种新型线性复杂度RNN架构,通过简化门控单元和分层双向扫描机制,解决了现有模型高分辨率图像处理的计算成本高昂问题。该模型能高效提取多尺度特征并捕捉长距离依赖,实验证明其在ImageNet和ADE20K上性能超越ViT,且计算与内存效率显著提升。

摘要

Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs) are two dominant models for image analysis. While CNNs excel at extracting multi-scale features and ViTs effectively capture global dependencies, both suffer from high computational costs, particularly when processing high-resolution images. Recently, state-space models (SSMs) and recurrent neural networks (RNNs) have attracted attention due to their efficiency. However, their performance in image classification tasks remains limited. To address these challenges, this paper introduces VisionGRU, a novel RNN-based architecture designed for efficient image classification. VisionGRU leverages a simplified Gated Recurrent Unit (minGRU) to process large-scale image features with linear complexity. It divides images into smaller patches and progressively reduces the sequence length while increasing the channel depth, thus facilitating multi-scale feature extraction. A hierarchical 2DGRU module with bidirectional scanning captures both local and global contexts, improving long-range dependency modeling, particularly for tasks like semantic segmentation. Experimental results on the ImageNet and ADE20K datasets demonstrate that VisionGRU outperforms ViTs, significantly reducing memory usage and computational costs, especially for high-resolution images. These findings underscore the potential of RNN-based approaches for developing efficient and scalable computer vision solutions. Codes will be available at https://github.com/YangLiu9208/VisionGRU.

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1. 论文基本信息 (Bibliographic Information)

  • 标题 (Title): VisionGRU: 一种用于高效图像分析的线性复杂度 RNN 模型 (VisionGRU: A Linear-Complexity RNN Model for Efficient Image Analysis)
  • 作者 (Authors): Shicheng Yin, Kaixuan Yin, Weixing Chen, Enbo Huang, Yang Liu. 作者主要来自中山大学 (Sun Yat-sen University) 和南宁师范大学 (Nanning Normal University),在计算机视觉和深度学习领域有相关研究背景。
  • 发表期刊/会议 (Journal/Conference): arXiv。这是一个预印本 (Preprint) 服务器,意味着该论文尚未经过同行评审,或正在同行评审过程中。
  • 发表年份 (Publication Year): 2024 (根据 arXiv ID 2412.18178 推断)。
  • 摘要 (Abstract): 论文针对主流视觉模型(CNNs 和 ViTs)在处理高分辨率图像时计算成本高昂的问题,提出了一种名为 VisionGRU 的新型循环神经网络 (RNN) 架构。VisionGRU 使用简化的门控循环单元 (minGRU),以线性复杂度处理图像特征。它通过分层设计和双向扫描机制,有效提取多尺度特征并捕捉长距离依赖关系。实验表明,在 ImageNet 和 ADE20K 数据集上,VisionGRU 在性能上优于 ViT 模型,同时在计算和内存效率上,尤其是在高分辨率图像处理上,展现出巨大优势。
  • **原文链接 (Source Link

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