High-resolution object detection and ranging via sliding window integration and enhanced SGBM

DING Jianjun; WANG Ganglin; CHEN Zhengchao; ZHANG Chao; XIA Liheng; XIA Junqi; SUN Chao

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High-resolution object detection and ranging via sliding window integration and enhanced SGBM

Optical Sensing and Measurement | 更新时间：2026-01-22

- High-resolution object detection and ranging via sliding window integration and enhanced SGBM
- OPTICAL TECHNIQUE Vol. 52, Issue 1, Pages: 86-93(2026)
- 作者机构：
  
  1.江汉大学专用装备智能测控湖北省工程研究中心，湖北武汉 430056
  2.江汉大学智能制造学院，湖北武汉 430056
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP394.1;TH691.9
- Received：30 May 2025，
  
  Revised：2025-08-24，
  
  Published：20 January 2026
- 稿件说明：
移动端阅览
丁建军,汪刚林,陈正超等.融合滑动窗口与改进SGBM的高分辨率目标检测与测距研究[J].光学技术,2026,52(01):86-93.

DING Jianjun,WANG Ganglin,CHEN Zhengchao,et al.High-resolution object detection and ranging via sliding window integration and enhanced SGBM[J].OPTICAL TECHNIQUE,2026,52(01):86-93.
丁建军,汪刚林,陈正超等.融合滑动窗口与改进SGBM的高分辨率目标检测与测距研究[J].光学技术,2026,52(01):86-93. DOI：

DING Jianjun,WANG Ganglin,CHEN Zhengchao,et al.High-resolution object detection and ranging via sliding window integration and enhanced SGBM[J].OPTICAL TECHNIQUE,2026,52(01):86-93. DOI：

摘要

随着成像技术的发展，高分辨率图像广泛应用于多个领域，但在复杂天气、多尺度变化和立体匹配复杂度高等条件下仍面临挑战。提出一种结合滑动窗口的目标检测与测距方法，在处理高分辨率图像时，采用滑动窗口法对图像进行分割并保留20%的重叠区域，随后将各子图输入至YOLOv8模型进行检测。为提升模型性能，在backbone中引入GCANet模块以增强雾霾环境下的图像质量，并加入HorBlock以提升多尺度特征表征能力。检测完成后，合并各子图结果，并采用引入了CIoU匹配机制的非极大值抑制算法（NMS）进行后处理，以缓解密集目标场景中的过抑制问题。最后，设计了基于检测框约束的局部匹配算法，结合加权最小二乘滤波（WLS）补全视差空洞。实验结果表明，在自制的雾天场景Fog-A数据集与公开的无人机视角VisDrone2019数据集上，方法相较于原始YOLOv8n模型，mAP分别提升9.8%和6.1%；匹配时间缩短至原SGBM的三分之一，精度提升0.7%。

Abstract

With the rapid advancement of imaging technologies

high-resolution images have found widespread applications across diverse fields.Nevertheless

challenges persist under complex weather conditions

multi-scale variations

and the high computational burden of stereo matching. A high-resolution object detection and distance measurement framework that integrates a sliding window strategy is proposed. Specifically

input images are partitioned into sub-images with 20% overlap and subsequently processed by the YOLOv8 model for detection.To enhance model robustness

a GCANet（Gated Context Aggregation Network） module is incorporated into the backbone to enhance feature robustness against atmospheric degradation

while a HorBlock（High-order Interaction Block） module is introduced to strengthen multi-scale feature representation.After detection

results from the sub-images are merged

and a CIoU-based NMS is applied to alleviate over-suppression in dense object scenarios.Furthermore

a detection box-constrained local stereo matching algorithm is designed

which is then refined with Weighted Least Squares （WLS） filtering to fill disparity holes and improve depth estimation.Experimental results on a self-constructed foggy dataset （Fog-A） and the public VisDrone2019 dataset show that the proposed method achieves mAP improvements of 9.8% and 6.1%

respectively

over the baseline YOLOv8n model. Moreover

the proposed local matching algorithm reduces computation time to one-third of that of the original SGBM and improves matching accuracy by 0.7%.

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references

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