Name: Yiqian Li

Major: Robotics

School: University of Pennsylvania

Email: liyiqian@seas.upenn.edu

Mobile: 215-669-4565

Education Background

University of Pennsylvania (Penn) | MSE. Robotics | 09/2024 – 05/2026

The Chinese University of Hong Kong, Shenzhen (CUHKSZ) | BS in Computer Science | 09/2020 – 06/2024

The University of California, Irvine (UCI) | 01/2023 – 06/2023

Publications

[1] Yiqian Li, Wen Jiang, Kostas Daniilidis, "Next-Best-View Selection for Semantic and Dynamic 3D Gaussian Splatting" , International Conference on 3D Vision 2026

[2] Aojun Jiang, Miao Hao, Yiqian Li, Jiaqi Wang, Chunfeng Yue, Zongjie Huang, Ying Yang, Meng Ma, Qifeng Lyu, Yu Sun, Zhuoran Zhang, " Occlusion-Aware Multi-Object Tracking for Point-of-Care sperm Analysis Using Smartphone Imaging" , IEEE Transactions on Automation Science and Engineering

[3] Haodong Jiang, Xiang Zheng, Yanglin Zhang, Qingcheng Zeng, Yiqian Li, Ziyang Hong, Junfeng Wu, "SCORE: Saturated Consensus Relocalization in Semantic Line Maps" , IROS 2025

[4] Zhijing Li, Qiuai Fu, Zhijun Huang, Jianbo Yu, Yiqian Li, Yuanhao Lai, Yuchi Ma, Pinjia He, "Revisiting Log Parsing: The Present, The Future, and The Uncertainties" , IEEE Transactions on Reliability

Experiences

Next-Best-View Selection for Semantic and Dynamic 3D Gaussian Splatting

Penn | 03/2025 – 05/2025
  • Modeled next-best-view selection as Fisher Information maximization for dynamic semantic 3D Gaussian spaltting.
  • Derived Jacobian-vector approximations of the Fisher matrix for 3D Gaussians and dynamic MLPs under gradient-based rendering.
  • Implemented a fully differentiable pipeline with custom CUDA kernels to support fast Fisher computation within real-time NBV selection loops.
  • The paper "Next-Best-View Selection for Semantic and Dynamic 3D Gaussian Splatting" is received by NeurIPS 2025
  • Semantic Line-Based Visual Relocalization

    CUHKSZ | 03/2024 – 08/2024
  • Proposed a scene-agnostic visual relocalization framework using compact semantic 3D line maps extracted from posed RGB-D images.
  • Formulated a novel Saturated Consensus Maximization framework to solve robust Perspective-n-Line problems.
  • Designed a globally optimal solver with interval-based Branch-and-Bound acceleration.
  • The paper "SCORE: Saturated Consensus Relocalization in Semantic Line Maps" is received by IROS 2025
  • Sperm Quality Analysis under Smartphone Imaging

    CUHKSZ | 08/2022 – 12/2022
  • Developed a pseudo-labeling pipeline on standard and unlabeled sperm images.
  • Applied semi-supervised classification to estimate morphologically normal sperm ratios.
  • Optimized U-Net upsampling and improved occlusion-aware JPDA tracking to enhance sperm segmentation and motility analysis.
  • The paper "Occlusion-Aware Multi-Object Tracking for Point-of-Care sperm Analysis Using Smartphone Imaging" is accepted by IEEE Transactions on Automation Science and Engineering
  • Scalable Quadruped Imitation

    Penn | 05/2025 - 04/2025
  • Learned skeletons from monocular dog videos
  • Retargeted motions via inverse kinematics
  • Designed custom RL rewards to improve gait realism and policy convergence
  • Pick and Place Robot Competition

    Penn | 10/2024 - 12/2024
  • Align gripper poses with target objects exhibiting pose equivalence under varying object-centric coordinate systems.
  • Collision-free path planning framework for constrained grasping tasks on a rotating platform.
  • Dynamic object motion prediction module to enable grasping of targets moving on a rotating disk
  • Reinforcement Learning for Optimal Traffic Signal Control

    UCI | 05/2023 - 03/2023
  • Simulated cross-road traffic condition using Simulation of Urban Mobility (SUMO)
  • Employed DQN, DDQN, Dueling DQN, and PPO reinforcement learning algorithms
  • Employed greedy, epsilon-greedy, and UCB various exploration strategies
  • Design of a Log Detection and Analysis System for Huawei Cloud Service

    CUHKSZ | 09/2021 – 07/2022
  • Applied word2vec to calculate semantic similarity of logs
  • Extracted invariants among logs and monitor the dependency of invariants
  • Analyzed false detection by log parsing algorithms such as Drain, AEL, and IPLoM
  • The paper "Revisiting Log Parsing: The Present, The Future, and The Uncertainties" is accepted by IEEE Transactions on Reliability
  • DJI RoboMaster Robotics Competition

    CUHK | 10/2020 – 05/2021
  • Developed and operated six robots that launch projectiles at opponent
  • Established a simulation environment in Gazebo
  • Analyzed QMIX and VDN algorithms for intelligent vehicle decision
  • Enabled route planning via A* algorithm, Dijkstra’s algorithm, and a greedy heuristic