2017 IEEE International Symposium on Mixed and Augmented Reality (ISMAR-Adjunct) 2017
DOI: 10.1109/ismar-adjunct.2017.31
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[POSTER] Hybrid Video/Optical See-Through HMD

Abstract: Advances in technology offer new opportunities for a better understanding of how different disorders affect motor function. In this paper, we explore the potential of an augmented reality (AR) game implemented using free hand and body tracking to develop a uniform, cost-effective and objective methods for evaluation of upper extremity motor dysfunction in different patient groups. We conducted a study with 20 patients (10 Parkinson's Disease patients and 10 stroke patients) who performed hand/arm movement task… Show more

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Cited by 22 publications
(14 citation statements)
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“…The overlay error was computed as the Euclidean distance (o 2D ) between the image coordinates of the real and virtual features (Figure 8). We exploited the hybrid nature of the HMD, which can work both under OST and the video see-through modality [28], to measure the overlay error as follows:…”
Section: Experiments and Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The overlay error was computed as the Euclidean distance (o 2D ) between the image coordinates of the real and virtual features (Figure 8). We exploited the hybrid nature of the HMD, which can work both under OST and the video see-through modality [28], to measure the overlay error as follows:…”
Section: Experiments and Resultsmentioning
confidence: 99%
“…Following a similar approach to our previous research works [28,29], we embedded the HMD in a 3D printed plastic shell; the plastic shell was designed to house a pair of liquid crystal (LC) shutters and a pair of stereo RGB cameras (Leopard Imaging LI-OV4689) for the inside-out tracking mechanism (Figure 4). The LC panels were placed in front of the optical combiners of the HMD, and they could be electronically controlled so as to modify the transparency of the see-through display and switch from see-through state to occluded state.…”
Section: Hardware Setupmentioning
confidence: 99%
“…In a previous study, we presented a novel approach for the development of stereoscopic AR HMDs able to offer the benefits of both the video and the optical see-through paradigms [20]. The hybrid mechanism was made possible by means of a pair of electrically-driven LC shutters (FOS model by LC-Tec [21]) mounted ahead of the waveguides of a OST HMD, opportunely modified for housing a pair of stereo cameras.…”
Section: Binocular Hybrid Video/optical See-through Hmdmentioning
confidence: 99%
“…For validating our approach, we took advantage of the hybrid nature of a custom-made see-through HMD [20], which supports both video and optical see-through modalities, for drawing an experimental setup whose goal was twofold. First goal was to assess, under OST view, the resulting monoscopic displacement between real features and synthetic ones at various depths around the one taken as reference for the estimation of the homography.…”
Section: Introductionmentioning
confidence: 99%
“…There has been great desire for AR in many applications, such as medical visualization, surgical training, flight simulation, and entertainment [5][6][7][8]. Basically, there are two types of AR displays, which are optical see-through AR displays and video see-through AR displays [9][10][11][12][13]. Optical see-through AR displays, compared to video see-through AR displays [14,15], can provide a non-obstructed visualization of the real environment that guarantees that the visual and proprioception information will be synchronized and maintains see-through vision to the real world, and therefore has attracted much research interest.…”
Section: Introductionmentioning
confidence: 99%