一种结合深度学习模型与几何模型的视觉定位方法及系统

By combining deep learning models with geometric models in visual localization, an information field is constructed and spatial coordinates are optimized, solving the problems of feature point loss and mismatch in complex environments in traditional visual localization methods, and achieving high-precision visual localization results.

CN122023755BActive Publication Date: 2026-07-17SHANGHAI HENGZE FUHUI INTELLIGENT TECHNOLOGY CO LTD +1
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Patent Information

Application Number
CN202610492847.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2026-04-15
Publication Date
2026-07-17
Estimated Expiration
2046-04-15

AI Technical Summary

Technical Problem

Traditional visual localization methods are prone to feature point loss or mismatch in scenes with weak texture, repetitive texture, drastic lighting changes, or motion blur. Furthermore, deep learning methods have limited generalization capabilities, making it difficult to meet the requirements of high-precision applications. Sparse point cloud data cannot encode the geometric density and semantic category of a scene, causing SLAM systems to fail in localization in dynamic environments.

Method used

By combining deep learning models and geometric models, an information field is constructed that simultaneously encodes scene geometric density, semantic category probability, and local feature descriptors. Through feature extraction and motion analysis, the pose of the next frame is predicted, and spatial coordinates are optimized to improve positioning accuracy.

Benefits of technology

It improves the accuracy and robustness of visual positioning, enabling it to handle dynamic objects in complex environments and enhancing positioning stability and accuracy in dynamic environments.

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Abstract

本申请涉及视觉定位技术领域,公开了一种结合深度学习模型与几何模型的视觉定位方法及系统,方法包括:根据历史采集的多视角图像序列及对应的相机位姿信息,构建同时编码场景几何密度信息、语义类别概率信息和局部特征描述子信息的第一信息场;基于当前时刻采集的实时图像,提取实时图像的语义特征图与几何特征图,筛选出关键点位置,结合图像结构生成对应的第一描述子;分析第一描述子对应运动的演化规律,提取运动过程的趋势特征和瞬时特征并融合,预测下一帧图像的第一位姿;确定每个关键点位置对应的空间坐标,并根据映射误差对空间坐标进行优化,得到视觉定位结果;本申请可以提升视觉定位精度。
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Citation Information

Patent Citations

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