Oriented Planetary Exploration Robotic Vision Binocular Camera Calibration

Author(s):  
Chen Gui ◽  
Jun Peng ◽  
Zuojin Li

One of the goals of planetary exploration is to cache rock samples for subsequent return to Earth in the future Mars Sample Return (MSR) mission. This paper presents a method of binocular camera calibration. Robotic vision has become a very popular field in recent years due to the numerous promising applications it may enhance. However, errors within the cameras and in their perception of their environment can cause applications in robotics to fail. To help correct these intrinsic and extrinsic imperfections, stereo camera calibrations are performed. There are currently many accurate methods of camera calibration available; however, most or all of them are barely theoretical and difficultly practical. Because the authors' robot need to accurately approach and placement scientific objects, in this paper the authors present an image rectification method that is an extension to two-step method. There is an additional step for correcting the distorted image coordinates. The image rectification is performed and accurately compensates for radial and tangential distortions. Finally, through Matlab tool developed the results of experiment are accurate and available.

2019 ◽  
Vol 90 (4) ◽  
pp. 043106 ◽  
Author(s):  
Emanuele Simioni ◽  
Vania Da Deppo ◽  
Cristina Re ◽  
Alessandra Slemer ◽  
Maria Teresa Capria ◽  
...  

Author(s):  
Wayne A. Davis ◽  
Louis Paquette ◽  
Robert Stampfler ◽  
Terry M. Caelli

2013 ◽  
Vol 773-774 ◽  
pp. 392-399 ◽  
Author(s):  
Katsushi Furutani ◽  
Eiji Ikeda ◽  
Tatsuaki Okada ◽  
Kazuto Saiki ◽  
Hiroyuki Ohue

This paper describes design of a prototype of a wire-sawing machine and some machining demonstrations. Slicing the rock samples is preferable to observe their interior for in-situ analysis in lunar and planetary explorations. The requirements for the wire-sawing machine were clarified as follows: using a long saw wire to extend the duty cycle, and winding and unwinding the saw wire with two reels. After building a prototype of the wire-sawing machine, the cutting performance in vacuum was compared with that in air. The cutting depth in vacuum leveled off and was smaller than that in air.


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