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Confirmed on the employer's own hiring board on Nov 3, 2026. First seen by Alion on Sep 3, 2026. Trunk Technology scores B on the Alion truth index.

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Trunk Technology is a Chinese company founded in 2017 that builds autonomous driving for trucks. Its systems run container transport in ports and logistics hubs. The company works with Chinese port operators and truck makers.

定位算法工程师(校招)| SLAM & 多源融合定位

一、岗位职责

1. 融合定位算法开发(核心)

- 参与 GNSS/RTK + IMU + 轮速 + 视觉/激光的多源融合定位算法开发,基于 ESKF 或因子图优化框架,输出高精度、高频率、带置信度的车辆位姿

- 参与定位模块的工程化实现与实车验证

2. SLAM 与感知定位模块

- 参与视觉/激光 SLAM 子模块研发:特征提取与匹配、位姿估计、点云配准、回环检测、局部建图

- 参与基于车道线、交通标牌、路面标识等语义特征的地图匹配算法开发,跟进轻地图/无图定位技术方案

3. 退化场景鲁棒性优化

- 参与 RTK 失锁场景(隧道、高架、城市峡谷、林荫道)与视觉退化场景(长直道、逆光、雨雪雾、施工区)的补位与抑漂策略优化

- 参与定位健康度/置信度评估机制建设,支撑系统分级安全降级

4. 标定、优化与部署

- 参与相机内外参、Camera-LiDAR-IMU 联合标定与 IMU/轮速误差建模补偿

- 参与算法在嵌入式平台(Orin / J6)上的移植、实时性优化与算力压缩

5. 前沿技术预研

- 跟踪学术前沿,参与深度学习特征、NeRF、3D Gaussian Splatting、端到端定位/建图等方向的可行性探索

二、任职要求

基础要求(必备)

1. 硕士及以上学历,计算机视觉、机器人、自动化、导航工程、车辆工程、测绘、电子工程等相关专业,2026/2027 届应届毕业生

2. 扎实的数学基础:线性代数、概率论、最优估计、刚体运动与李群李代数

3. 熟练使用 C++(了解 C++11/14 常用特性)与 Python,具备良好的代码习惯; 熟悉 Linux 开发环境,了解 ROS/ROS2

4. 具备下列任一方向的项目经历(实验室课题、竞赛、实习、开源项目均可):

方向 A:SLAM / 里程计(视觉、激光不限)

- 理解 SLAM 系统的整体框架与核心环节:前端里程计、后端优化、回环检测、建图,具备其中至少一条完整链路的实践经历

- 读过并跑通过至少一个开源 SLAM 框架,视觉、激光、视觉惯性、激光惯性方向任选其一即可,例如:

- 激光/激光惯性:A-LOAM、LeGO-LOAM、LIO-SAM、FAST-LIO、KISS-ICP

- 视觉/视觉惯性:ORB-SLAM2/3、VINS-Mono/Fusion、DSO、MSCKF

- 掌握下列几何基础中的至少一类:

- 点云侧:ICP / NDT / GICP 配准、点云特征提取(线面特征、法向量)、体素/KD-Tree 数据结构

- 视觉侧:多视图几何、对极几何、三角化、BA 光束法平差

- 了解 IMU 预积分、滑动窗口、边缘化等紧耦合优化技术,用过 Ceres / g2o / GTSAM 之一

- 加分:了解 SuperPoint、SuperGlue、LoFTR 等学习型特征匹配方法; 了解多传感器(Camera-LiDAR-IMU)联合标定

方向 B:视觉/语义地图匹配定位

- 核心要求:有基于视觉的定位或地图匹配相关实践,例如:

- 基于车道线、交通标牌、路面箭头/停止线等语义要素与地图(高精地图 / 轻图 / 自建局部地图)的匹配定位

- 基于视觉特征或语义地图的重定位、位置识别(Place Recognition)、地图先验约束下的位姿求解

- 视觉观测的特征关联、异常值剔除(RANSAC / 鲁棒核函数)与位姿优化

- 了解高精地图车道级语义元素与拓扑结构,理解地图匹配的基本算法思路

- 配套要求(服务于视觉定位,非独立方向):掌握 EKF/ESKF 滤波理论并具备代码实现能力,了解 GNSS/RTK 定位原理与主要误差来源、IMU 与轮速计误差特性,理解视觉观测如何作为量测接入融合框架

- 加分:做过 RTK 失锁或视觉退化场景下的鲁棒性优化; 了解无图/轻图定位的技术趋势

说明:A、B 两个方向不要求同时具备,我们看重的是你在其中一条路线上的深度与工程动手能力,入职后会有系统的交叉培养。

加分项(满足任意一条即可突出)

- 在 CVPR / ICCV / ECCV / ICRA / IROS / RA-L 等会议或期刊发表过相关论文

- 有开源 SLAM/定位项目贡献,或个人 GitHub 项目有一定影响力

- 有智能驾驶、机器人、无人机公司的定位/SLAM 相关实习经历

- 熟悉 CUDA / TensorRT,有算法嵌入式部署或性能优化经验

- 有实车/实机数据采集、日志分析、问题复现与闭环调试的经历

- 参加过 RoboMaster、智能车、RoboCup、自动驾驶挑战赛等竞赛并有定位相关贡献

- 了解 NeRF、3D Gaussian Splatting 等神经隐式表达技术

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