AIMRL
Research page
Research Methodology: The AIMRL Philosophy
We believe effective machine perception must integrate physical laws with computational intelligence.
At AIMRL, we deconstruct complex automation challenges guided by a systematic pipeline:
Formulation from First Principles: We look beyond existing hardware constraints to solve fundamental physical questions.
Analytical Modeling: We develop deterministic mathematical frameworks for field-based sensing.
Experimental Demonstration: We validate every model through simulation and hardware prototypes to prove technical performance and industrial significance.
The research pages are organized to emphasize transferable principles rather than chronological development. The work presented here represents four decades of exploring the boundary between physical laws and computational intelligence. It is my hope that these findings serve as a foundation
for researchers seeking to transform machine vision from a data-driven pattern recognition task into a robust, measurement-grade science. I encourage the further adaptation of these models to solve the
next generation of challenges in mechatronics and human-centered robotics.
—Kok-Meng Lee
Thrust 1: Physically-Accurate Machine Perception
1.1 Retroreflective Vision Sensing: Exploiting Directional Gain with Coaxial Optics
1.2 Artificial Color Contrast (ACC): Exploiting Spectral Physics
1.3 Experimental Verification and Industrial Significance:
Case Study A: Engineered Environments
Case Study B: Natural and Industrial Environments
Case Study C: Industrial Processing — ACC–PCA for Poultry Product Segmentation
Thrust 2: Model-Based Machine Vision Systems
2.1 Geometric and Structural Shape Reconstruction
2.2 Thermal Physics-Based Infrared Machine Vision
2.3 Experimental Verification and Representative Applications:
Anatomical Shape Reconstruction: Human Spine Contour
Thermal Physics-based Infrared Machine Vision: 3D Steady State Tool Temperature Reconstruction
Thrust 3: Intelligent Perception for Real-Time Autonomous Applications
3.1 Physics-Guided Neural Networks for Process Monitoring
3.2 Modal Expansion for Dynamic Thermal Reconstruction
3.3 Physics-Based Calibration for Binocular Visuotactile Sensing
3.4 Unifying Principle: Integrated Intelligence through Physics
Thrust 1: Generalized Distributed Current Source (DCS) Modeling
1.1 Comparison with Exact Solutions and FEA Simulations
1.2 Magnetic Leadscrew (Mag-LS
1.3 Induced Eddy Current Density (ECD): DCS State-Space J-ϕ Formulation
1.4 Performance Evaluation and Validation
Thrust 2: Inverse Field-Based Sensing System
2.1 Single Magnetic Source and Magnetic Tensor Sensor (MTS)
A. Far-field: Geomagnetic Sensing of Man-Made Objects
B. Near-field: Dedicated PM Source for Pose/Location Tracking
2.2 Multiple Source Multi-Sensor (MSMS) Framework: Uniqueness and Redundancy
A. Redundancy for Unique, High-Accuracy Angular Measurement
B. Real-Time Three-DOF Orientation of a Weight-Compensated Spherical Motor
2.3 Continuous Soft-Magnets: Embedded Wireless Sensing of a Magnetic Leadscrew (Mag-LS)
2.4 Significance of Integrated Inverse Sensing
Thrust 3: From Estimation to Autonomous Perception
3.1 Sensor Fusion for Full-State Estimation of Multi-DOF Motion
3.3 Magnetic Perception based on Eddy Current for Physical Field Reconstruction