Regis Hoffman

About

Regis Hoffman is a pioneering robotics researcher whose career has centered on autonomous mobile robotics, terrain perception, and 3D environment modeling — with a particular emphasis on the challenges of planetary exploration and operation in unstructured, rugged environments. Working primarily at Carnegie Mellon University, Hoffman made foundational contributions to how robots sense and interpret the physical world around them. His most influential work, "Terrain Mapping for a Walking Planetary Rover" (1994, 81 citations), established core methods for constructing accurate geometric models of natural surfaces, enabling safer and more energy-efficient locomotion for legged robots. This built on his earlier foundational paper on terrain roughness measurement from elevation maps (1990, 47 citations), which helped define how mobile robots quantify and respond to surface geometry. His research on the Ambler — an autonomous six-legged walking robot — produced multiple landmark studies on rugged terrain navigation, culminating in demonstrated 500-meter autonomous outdoor walks. Beyond locomotion, Hoffman contributed significantly to 3D environment modeling through the Artisan perception system, enabling semi-automatic construction of complex robot workspaces for telerobotic manipulation. With over 300 cumulative citations, his body of work remains an important reference for researchers tackling autonomous navigation and environmental perception in challenging real-world settings.

Research Focus

Key Achievements

Top Papers

1. 1
   Terrain mapping for a walking planetary rover

   81 citations · 1994
2. 2
   A system for semi-automatic modeling of complex environments

   50 citations · 2002
3. 3
   Terrain Roughness Measurement from Elevation Maps

   47 citations · 1990
4. 4
   Progress towards robotic exploration of extreme terrain

   30 citations · 1992
5. 5
   Perception of rugged terrain for a walking robot: true confessions and new directions

   28 citations · 2002
6. 6
   CHIMERA: a real-time programming environment for manipulator control

   26 citations · 2003
7. 7
   Terrain mapping for outdoor robots: robust perception for walking in the grass

   22 citations · 2002
8. 8
   3-D object modeling and recognition for telerobotic manipulation

   20 citations · 2002
9. 9
   Terrain Mapping For Long-duration Autonomous Walking

   18 citations · 2005
10. 10
    Simulation of Autonomous Robotic Excavation

    5 citations · 1994

Key Collaborators

Contact & Links