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Johnson, Jeffrey
Indiana University
Bloomington, Indiana
 
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Jeffrey K. Johnson is a PhD Candidate in Computer Science at Indiana University (IU) and a member of the Intelligent Motion Laboratory (IML). He joined the PhD program at IU in 2009 after several years working professionally as a software developer. As a member of the IML, his work revolves generally around perception and planning under uncertainty, including coordinated motion planning for multi-manipulator articulated robots, and, particularly, trajectory planning for automobiles.

His primary research topics include optimization, adaptive control and planning for robotic systems, machine learning, aspects of computational geometry, and algorithm analysis. In particular, he has worked with colleagues at the IML on projects including online surface classification from 3D sensor data, perception-based motion model calibration for underactuated manipulators, semi-autonomous collision avoidance systems for automobiles, and optimal fixed-path velocity planning for mobile agents.

In 2012, he worked at TRACLabs, Inc. to assist in the development of a motion planning toolkit for mobile dual-armed manipulators as part of a NASA SBIR. In 2013, he worked with the autonomous driving team at Bosch RTC to develop advanced real-time collision detection for use in autonomous road vehicles. In 2014, he joined Bosch RTC as a research engineer focusing on trajectory planning for autonomous road vehicles.

He has been a reviewer for Computing Reviews since 2013.

 
 
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  Combinatorics of 4-dimensional resultant polytopes
Dickenstein A., Emiris I., Fisikopoulos V.  ISSAC 2013 (Proceedings of the 38th International Symposium on Symbolic and Algebraic Computation, Boston, MA, Jun 26-29, 2013) 173-180, 2013.  Type: Proceedings

The resultant of two polynomials is an expression constructed from those polynomials such that it is zero precisely when the two polynomials share a root. Because of its desirable properties, the resultant is frequently used in fields ...

Nov 13 2013  
  Amorphous slicing of extended finite state machines
Androutsopoulos K., Clark D., Harman M., Hierons R., Li Z., Tratt L. IEEE Transactions on Software Engineering 39(7): 892-909, 2013.  Type: Article

Slicing is commonly used in software engineering as a program analysis tool, but has been less studied as a method for analyzing extended finite state machines (EFSMs). The authors of this paper discuss the difficulties involved with s...

Oct 29 2013  
   Control and optimization with differential-algebraic constraints
Biegler L., Campbell S., Mehrmann V., SIAM, Philadelphia, PA, 2012. 356 pp.  Type: Book (978-1-611972-24-5)

Many real-world optimal control problems can be most concisely modeled as mixed systems of differential and algebraic equations. This formulation allows for problems to be cleanly decomposed into component parts that are connected in a...

Sep 25 2013  
 
 
   
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