吉林大学学报(工学版) ›› 2024, Vol. 54 ›› Issue (8): 2329-2337.doi: 10.13229/j.cnki.jdxbgxb.20230034
Sheng-jie ZHU1,2(),Xuan WANG1(),Fang XU1,Jia-qi PENG3,Yuan-chao WANG4
摘要:
针对机载广域遥感图像的目标尺寸变化大、背景噪声复杂以及局部目标密集给目标检测任务带来的困难,本文通过优化分割方法统一输入图像的目标像素尺寸,并以此简化模型结构提出了一种尺度归一化卷积神经网络模型MNNet。为增强局部之间的特征关联,本文设计了全局连接块(SGC),有效提高了检测的精度。针对现有非极大值抑制算法的超参数依赖经验设置的问题,本文提出了一种自适应非极大值抑制方法(DNMS),降低了模型的部署难度。在RSF数据集上的测试结果表明:本文模型的检测平均精度(AP)高于其他模型5.0%以上,在检测速度上达到了57.7 帧/s,可以满足遥感图像的检测任务需求。
中图分类号:
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