蜂群觅食现象启发的单幅图像细节增强算法
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TP391.41

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国家自然科学基金项目(52304182, 52204177);国家重点研发计划项目(2023YFC2907600, 2021YFC-2902701, 2021YFC2902702).


Bee foraging phenomenon-inspired algorithm for single image detail enhancement
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    摘要:

    基于残差学习的单幅图像细节增强算法常常采用贪心搜索策略, 这容易导致系统陷入局部最优解. 对此, 提出一种受蜂群觅食行为启发的单幅图像细节增强算法. 该算法将图像块匹配过程建模为蜜蜂在二维空间中寻找高质量蜜源的行为, 针对输入图像中的每个图像块派遣多只“工蜂”在参考图像中寻找最佳匹配块; 通过计算候选块与原始块在上下文、边缘和纹理结构等多维特征上的差异, 评估匹配质量, 并结合全局最优蜜源及邻域内优秀个体的引导, 实现全局与局部相结合的搜索策略. 该算法引入概率驱动的邻域参考选择机制和边界反射策略, 通过余弦函数动态调整局部与全局权重比例, 可有效提升搜索多样性与稳定性. 实验结果表明, 经过多轮迭代优化, 该算法能够提取出结构精确且鲁棒性的细节特征, 在RealSRSet、BSDS200、T91等多个公开数据集上的表现均优于现有算法. 在RealSRSet数据集4倍放大条件下, 相较于当前流行的方法QWLS、 PSNR提升8.21 dB; 相较于SSIM提升0.1569, 充分体现了该算法在细节还原能力和视觉质量方面的优势.

    Abstract:

    Single image detail enhancement algorithms based on residual learning often adopt a greedy search strategy, which can easily lead the system to fall into a local optimum. To address this issue, this study proposes a single image detail enhancement algorithm inspired by the foraging behavior of bees. This algorithm models the image block matching process as the behavior of bees searching for high-quality nectar sources in a two-dimensional space. For each image block in the input image, multiple “worker bees” are dispatched to search for the best matching block in the reference image. The matching quality is evaluated by calculating the differences in multi-dimensional features such as context, edge, and texture structure between the candidate block and the original block. By combining the guidance of the global optimal nectar source and excellent individuals in the neighborhood, a search strategy that combines global and local aspects is achieved. The algorithm introduces a probability-driven neighborhood reference selection mechanism and a boundary reflection strategy, and dynamically adjusts the proportion of local and global weights through a cosine function, thereby effectively enhancing the diversity and stability of the search. Experimental results show that after multiple epochs of iterative optimization, the algorithm can extract precise and robust detail features. The proposed algorithm outperforms existing algorithms on multiple public datasets such as RealSRSet, BSDS200, and T91. Specifically, on the RealSRSet dataset with a $\times 4$ magnification, compared to the current popular method QWLS, the proposed algorithm achieves an improvement of 8.21 dB in the PSNR and 0.1569 in the SSIM, demonstrating its advantages in detail restoration and visual quality.

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江鹤,郑州,乙夫迪,等.蜂群觅食现象启发的单幅图像细节增强算法[J].控制与决策,2026,41(7):2027-2039

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  • 收稿日期:2025-08-23
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  • 在线发布日期: 2026-06-23
  • 出版日期: 2026-07-10
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