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Distance Estimation with Night Vision Goggles: A Direct Feedback Training Method

Distance Estimation with Night Vision Goggles: A Direct Feedback Training Method
Author:
Publisher:
Total Pages: 0
Release: 1997
Genre:
ISBN:
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An experimental demonstration was made of the efficacy of immediate feedback in improving observers' estimates of distance where those estimates were made outdoors at night while wearing night vision goggles (NVGs). Initially, observers made unguided estimates of distances between marked positions in an open field. Those distances ranged from 25 ft to 210 ft. Later, the same observers made more estimates. After each, they were told the measured distance between the positions. During this training, the observers' eye height from the ground plane was either at a standing position or at an elevated position (12 ft from the ground). After the training--either immediately after, or after a week, or at both times--observers made unguided estimates of distance again. These estimates of ground distance made with the NVGs were significantly improved from the first unguided estimates; average improvement for the group of observers persisted for at least one week after training. direct feedback training appears to be more effective at improving performance at distance estimation (in terms of both precision and error variability) than the training assessed in previous experiments where no verbal feedback was given.

Man-Machine-Environment System Engineering

Man-Machine-Environment System Engineering
Author: Shengzhao Long
Publisher: Springer Nature
Total Pages: 740
Release: 2022-08-20
Genre: Technology & Engineering
ISBN: 9811947864
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Man-Machine-Environment System Engineering: Proceedings of the 22nd Conference on MMESE are an academic showcase of the best papers selected from more than 500 submissions, introducing readers to the top research topics and the latest developmental trends in the theory and application of MMESE. This proceedings are interdisciplinary studies on the concepts and methods of physiology, psychology, system engineering, computer science, environment science, management, education, and other related disciplines. Researchers and professionals who study an interdisciplinary subject crossing above disciplines or researchers on MMESE subject will be mainly benefited from this proceedings MMESE primarily focuses on the relationship between Man, Machine and Environment, studying the optimum combination of man-machine-environment systems. In this system, “Man” refers to working people as the subject in the workplace (e.g. operators, decision-makers); “Machine” is the general name for any object controlled by Man (including tools, machinery, computers, systems and technologies), and “Environment” describes the specific working conditions under which Man and Machine interact (e.g. temperature, noise, vibration, hazardous gases etc.). The three goals of optimization of the man-machine-environment systems are to ensure safety, efficiency and economy. The integrated and advanced science research topic Man-Machine-Environment System Engineering (MMESE) was first established in China by Professor Shengzhao Long in 1981, with direct support from one of the greatest modern Chinese scientists, Xuesen Qian. In a letter to Shengzhao Long from October 22nd, 1993, Xuesen Qian wrote: “You have created a very important modern science and technology in China!”

Technical Report

Technical Report
Author:
Publisher:
Total Pages: 686
Release: 1998
Genre: Military research
ISBN:
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Distance Estimation Training with Night Vision Goggles

Distance Estimation Training with Night Vision Goggles
Author: Jack D. Reising
Publisher:
Total Pages: 26
Release: 1994
Genre: Depth perception
ISBN:
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Aircrews have reported significant problems in depth perception and distance estimation with night vision goggles (NVGs). The purposes of this experiment were to develop a methodology for quantifying distance estimation abilities with NVGs and to examine the value of a simple training procedure as a means of reducing errors. Absolute distance estimates were obtained from eight male aviators using Aviators Night Vision Imaging System (ANVIS) AN/AVS-6 NVGs before and after exposure to a set of known distances. The results revealed that distance estimates were linear and significant reductions in errors and variability followed exposure to the training procedure. The results are discussed within the context of previous research. Issues for future research are addressed. Distance estimation, Night vision goggles, Training.

Vision and Displays for Military and Security Applications

Vision and Displays for Military and Security Applications
Author: Keith K. Niall
Publisher: Springer Science & Business Media
Total Pages: 216
Release: 2010-03-10
Genre: Science
ISBN: 1441917233
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Realistic and immersive simulations of land, sea, and sky are requisite to the military use of visual simulation for mission planning. Until recently, the simulation of natural environments has been limited first of all by the pixel resolution of visual displays. Visual simulation of those natural environments has also been limited by the scarcity of detailed and accurate physical descriptions of them. Our aim has been to change all that. To this end, many of us have labored in adjacent fields of psych- ogy, engineering, human factors, and computer science. Our efforts in these areas were occasioned by a single question: how distantly can fast-jet pilots discern the aspect angle of an opposing aircraft, in visual simulation? This question needs some ela- ration: it concerns fast jets, because those simulations involve the representation of high speeds over wide swaths of landscape. It concerns pilots, since they begin their careers with above-average acuity of vision, as a population. And it concerns aspect angle, which is as much as to say that the three-dimensional orientation of an opposing aircraft relative to one’s own, as revealed by motion and solid form. v vi Preface The single question is by no means simple. It demands a criterion for eye-limiting resolution in simulation. That notion is a central one to our study, though much abused in general discussion. The question at hand, as it was posed in the 1990s, has been accompanied by others.

Distance Estimation to Flashes in a Simulated Night Vision Environment

Distance Estimation to Flashes in a Simulated Night Vision Environment
Author:
Publisher:
Total Pages: 130
Release: 2007
Genre:
ISBN:
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The Canadian Forces have recognized the importance of simulator training as a cost-effective alternative to real training; yet the effect of display simulation on visual perception is not fully understood. Fighteen subjects participated in an experiment to determine if training, in the form of immediate feedback, improved distance estimation to muzzle flashes in a simulated NVG environment. Testing was performed on a PC desktop computer using software that simulated a large open grassy field. Subjects were exposed to three flash types; five flashes, single flash, and a prolonged flash. Flashes were presented to the subjects both above and below the horizon. Significant improvement was shown in the experimental group's accuracy; this accuracy persisted over two weeks but with notable deterioration. Contrary to expectation the perception of a single flash resulted in significantly greater accuracy than the prolonged flash. This experiment reinforces the effectiveness of simulation as a tool in preparing soldiers. A bibliography of the topic is included.