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Related Experiment Video

Updated: Mar 19, 2026

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Cross-modal collaborative optimization for semantic segmentation of RGB-T power equipment images.

Huan Chen, Yan Zhou, Qingwu Li

    Applied Optics
    |March 17, 2026
    PubMed
    Summary
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    This study introduces CCONet, a novel network for RGB-T semantic segmentation of power equipment. CCONet enhances feature representation using cross-modal collaborative optimization for improved substation monitoring.

    Area of Science:

    • Computer Vision
    • Artificial Intelligence
    • Electrical Engineering

    Background:

    • Semantic segmentation is crucial for interpreting complex substation environments.
    • RGB and thermal infrared (RGB-T) data offer complementary information for enhanced feature representation.
    • Existing fusion strategies often overlook modality-specific advantages at different semantic levels.

    Purpose of the Study:

    • To propose CCONet, a cross-modal collaborative optimization network for RGB-T semantic segmentation of power equipment.
    • To address limitations of single-stage fusion by leveraging hierarchical and task-specific fusion strategies.

    Main Methods:

    • CCONet utilizes a three-stage framework: feature extraction, multimodal fusion, and decoding.
    • Integrates feature pyramid and path aggregation networks for hierarchical information flow.

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  • Employs three task-specific fusion modules: feature excitation (high-level), feature localization (mid-level), and feature refinement (low-level).
  • Main Results:

    • CCONet achieves competitive performance on a custom RGB-T substation dataset and public benchmarks.
    • Demonstrates superior semantic segmentation accuracy for power equipment compared to state-of-the-art methods.
    • Highlights the effectiveness of joint cross-modal interactions and task-specific fusion.

    Conclusions:

    • CCONet offers a robust approach to multimodal image analysis for power system monitoring and inspection.
    • The cross-modal collaborative optimization strategy is generalizable to other complex scenarios with retraining.
    • This work advances semantic segmentation techniques in challenging industrial environments.