基于计算机视觉的运动目标轨迹识别预测方法

By generating a passable path and modulating the sampling weight using a confusion parameter, the uncertainty in trajectory prediction of autonomous driving systems under complex road conditions is resolved, stable trajectory output is achieved, and the robustness and accuracy of the system are improved.

CN121963140BActive Publication Date: 2026-07-17BEIJING ZHONGHAIJICHUANG SCI TECH DEV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING ZHONGHAIJICHUANG SCI TECH DEV
Filing Date
2026-01-20
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing autonomous driving systems face challenges when dealing with complex road conditions, including systemic interference caused by map building errors, endpoint drift disrupting the stability of topological connections, difficulties in path identification caused by shared guide segments, and output uncertainty issues brought about by random sampling mechanisms. These challenges make it difficult to accurately predict the future trajectories of traffic participants.

Method used

By acquiring the observation trajectory points of the moving target and road data containing map error information, multiple passable paths are generated. The spatial tolerance range is defined by combining the map error information, the shared guiding road segments between passable paths are identified, and the sampling weights are modulated using the confusion parameter. A sampling consistency fitting operation is performed, and the optimal motion model instance is selected for prediction.

Benefits of technology

It effectively solves the path identification problem caused by endpoint drift and overlapping guide lines at complex intersections, improves the robustness of the prediction system, eliminates the output jitter caused by traditional random sampling, and achieves stable trajectory output that meets the requirements of mass production-level control systems.

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Abstract

本发明涉及自动驾驶技术领域,公开了基于计算机视觉的运动目标轨迹识别预测方法,包括:首先获取观测轨迹点及含地图误差信息的道路数据,生成多条可通行路径并识别其间的共用引导路段;随后依据共用路段长度将路径归类为同向不可分路径组,并结合组间的分离度与分组数量计算结构性混淆度参数;接着利用该参数调制采样权重,结合预设的固定序列执行确定性的采样一致性拟合,选取最优运动模型实例;最后根据评分结果对各路径组进行加权归一,输出预测轨迹。
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