基于显著性先验和金字塔转换机制的 Trans-Sal Det小目标油井检测模型
赵梓翔 , 李佳慧 , 步贤业 , 穆树娟 , 隋杨
东北石油大学学报 ›› 2026, Vol. 50 ›› Issue (2) : 109 -122.
基于显著性先验和金字塔转换机制的 Trans-Sal Det小目标油井检测模型
Trans-Sal Det small object detection model based on saliency prior and pyramid transformation mechanism
为解决复杂地表环境与背景干扰条件下的油田遥感影像中油井小目标难以准确识别的问题,提出一种融合显著性先验与金字塔转换机制的 Trans-Sal Det 小目标油井检测模型。构建基于 Tiny-U-Net 的显著性生成模块,获取高分辨率显著性图,突出潜在油井区域并抑制冗余背景信息;将显著性图与原始遥感影像进行通道级拼接,输入金字塔式 Transformer 编码器,采用多尺度窗口自注意力机制,实现跨层特征建模,有效融合底层细节信息与高层语义特征;引入交叉尺度特征融合策略,增强模型对不同尺度油井目标的表征能力。在典型油田遥感数据集上开展对比与消融实验,对模型性能进行验证。结果表明:Trans-Sal Det 小目标油井检测模型在复杂背景、遮挡及低对比度场景下表现出更优的小目标检测能力,目标召回率与检测精度显著优于其他方法的。引入显著性先验可以有效引导注意力聚焦关键区域,提升 Transformer对小目标的感知能力。该结果为油田自动化遥感检测与智能监测提供高效和可行的技术路径。
To address the difficulty of accurately detecting small oil well targets in oilfield remote sensing images under complex surface environments and background interference, this paper proposes a TransSal Det small object detection model that integrates saliency priors with a pyramid transformation mechanism. A saliency generation module based on Tiny-U-Net is constructed to produce high-resolution saliency maps, highlighting potential oil well regions while suppressing redundant background information. The saliency maps are concatenated with the original remote sensing images at the channel level and fed into a pyramid Transformer encoder. Through a multi-scale window self-attention mechanism, cross-layer feature modeling is achieved, effectively integrating low-level detailed features with high-level semantic information. A cross-scale feature fusion strategy is introduced to enhance the model's representation capability for oil well targets of different scales. Comparative and ablation experiments are conducted on typical oilfield remote sensing datasets to systematically validate the model performance. The results demonstrate that Trans-Sal Det exhibits superior small object detection performance in complex backgrounds, occlusion, and low-contrast scenarios, with significantly improved recall and detection accuracy compared to mainstream methods. The introduction of saliency priors effectively guides attention to focus on key regions, enhancing the Transformer's perception of small targets. The proposed method provides an efficient and feasible technical approach for automated oilfield remote sensing detection and intelligent monitoring, with strong potential for practical applications.
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国家自然科学基金面上项目(62573112)
黑龙江省自然科学基金优秀青年基金项目(YQ2023F003)
黑龙江省博士后特别资助项目(LBH-TZ2505)
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