Estimation of Intention of User Arm Motion for the Proactive Motion of Upper Extremity Supporting Robot

Sakaki, Taisuke

doi:10.1109/iccme.2007.4381967

Cited by 6 publications

(6 citation statements)

References 7 publications

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“…All of these data were preserved on an SD memory card and then read into a personal computer. 15,16 Subjects were given a full explanation of the experiment in advance, and consent was obtained. Subjects used uncorrected vision or wore soft contact lenses or glasses as needed, and their refraction was corrected to within AE0.25 diopter.…”

Section: Methodsmentioning

confidence: 99%

“…The wavelength of the infrared light was 850 nm, whereas that of WAM‐5500 was 950 nm. All of these data were preserved on an SD memory card and then read into a personal computer …”

Section: Methodsmentioning

confidence: 99%

“…investigated differences in eye movement according to age, visual exhaustion, and learning effects after subjects were shown several kinds of pictures. Sasaki predicted human eye movement from glance data obtained from an eye mark recorder and improved the operation of a support robot on the basis of this usage. Thus, many researchers have investigated various vision issues using the performance and characteristics of these instruments.…”

Section: Impactmentioning

confidence: 99%

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Simultaneous measurement of lens accommodation and convergence in natural and artificial 3D vision

et al. 2013

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-Recent advances in 3D technology have been accompanied by increasing complaints of visual fatigue. The usual explanation for such fatigue is that accommodation and convergence are mismatched during stereoscopic vision.The aim of this study was to measure fixation distances between lens accommodation and convergence in young subjects while they viewed real objects and 3D video clips. Measurements were made using an original instrument. The 3D video clips were presented to subjects using a liquid crystal shutter glass system. The results showed that when viewing real objects, the diopter values of subjects' accommodation and convergence were similar and changed periodically. This measurement method was thus considered to be appropriate for the measurement of stereoscopic vision. We also investigated lens accommodation and convergence when subjects viewed 3D video clips. Both accommodation and convergence were found to move along with the virtual position of 3D video clips. Therefore, there was little discrepancy between accommodation and convergence during the viewing of 3D images.

show abstract

Section: Methodsmentioning

confidence: 99%

“…The wavelength of the infrared light was 850 nm, whereas that of WAM‐5500 was 950 nm. All of these data were preserved on an SD memory card and then read into a personal computer …”

Section: Methodsmentioning

confidence: 99%

Section: Impactmentioning

confidence: 99%

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Simultaneous measurement of lens accommodation and convergence in natural and artificial 3D vision

et al. 2013

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“…The wavelength of the infrared light was 850 nm. After data were preserved on an SD card, they were read into a personal computer [10,11].…”

Section: Emr-9mentioning

confidence: 99%

Simultaneous Measurement of Lens Accommodation and Convergence to Real Objects

Shiomi

Ishio

Hori

et al. 2011

Virtual and Mixed Reality - New Trends

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Human beings can perceive that objects are three-dimensional (3D) as a result of simultaneous lens accommodation and convergence on objects, which is possible because humans can see so that parallax occurs with the right and left eye. Virtual images are perceived via the same mechanism, but the influence of binocular vision on human visual function is insufficiently understood. In this study, we developed a method to simultaneously measure accommodation and convergence in order to provide further support for our previous research findings. We also measured accommodation and convergence in natural vision to confirm that these measurements are correct. As a result, we found that both accommodation and convergence were consistent with the distance from the subject to the object. Therefore, it can be said that the present measurement method is an effective technique for the measurement of visual function, and that even during stereoscopic vision correct values can be obtained.

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“…Also, there are some vision-based methods for controlling machines. For example, an upper extremity-supporting robot was developed using a system detecting gaze motion (Sakaki, 2007 and2009). A vision-based assisting robot for grasping daily goods was developed for bedridden patients (Kim et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Robotic Stretcher for SMA Patient: Preliminary Tests on Controllability and Safety

Sakaki

Iribe

Kurogi

et al. 2011

IFAC Proceedings Volumes

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Estimation of Intention of User Arm Motion for the Proactive Motion of Upper Extremity Supporting Robot

Abstract: This research aims at the estimation of intention of user arm motion supported by the wearable type robot on upper extremity for assisting to have meal. The algorithm or the estimation was proposed and verified by the experiments to investigate the gaze pattern at selecting food images.I.

Cited by 6 publications

References 7 publications

Simultaneous measurement of lens accommodation and convergence in natural and artificial 3D vision

Simultaneous measurement of lens accommodation and convergence in natural and artificial 3D vision

Simultaneous Measurement of Lens Accommodation and Convergence to Real Objects

Robotic Stretcher for SMA Patient: Preliminary Tests on Controllability and Safety

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