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EnglishA Human–machine interaction system requires precise information about the user’s body position, in order to allow a natural 3D interaction in stereoscopic augmented reality environments, where real and virtual objects should coherently coexist. The diffusion of RGB-D sensors seems to provide an effective solution to such a problem. Nevertheless, the interaction with stereoscopic 3D environments, in particular in peripersonal space, requires a higher degree of precision. To this end, a reliable calibration of such sensors and an accurate estimation of the relative pose of different RGB-D and visualization devices are crucial. Here, robust and straightforward procedures to calibrate a RGB-D camera, to improve the accuracy of its 3D measurements, and to co-register different calibrated devices are proposed. Quantitative measures validate the proposed approach. Moreover, calibrated devices have been used in an augmented reality system, based on a dynamic stereoscopic rendering technique that needs accurate information about the observer’s eyes position.
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| Titolo: | Calibrated depth and color cameras for accurate 3D interaction in a stereoscopic augmented reality environment |
| Autori: | |
| Data di pubblicazione: | 2014 |
| Rivista: | |
| Abstract: | A Human–machine interaction system requires precise information about the user’s body position, in order to allow a natural 3D interaction in stereoscopic augmented reality environments, where real and virtual objects should coherently coexist. The diffusion of RGB-D sensors seems to provide an effective solution to such a problem. Nevertheless, the interaction with stereoscopic 3D environments, in particular in peripersonal space, requires a higher degree of precision. To this end, a reliable calibration of such sensors and an accurate estimation of the relative pose of different RGB-D and visualization devices are crucial. Here, robust and straightforward procedures to calibrate a RGB-D camera, to improve the accuracy of its 3D measurements, and to co-register different calibrated devices are proposed. Quantitative measures validate the proposed approach. Moreover, calibrated devices have been used in an augmented reality system, based on a dynamic stereoscopic rendering technique that needs accurate information about the observer’s eyes position. |
| Handle: | http://hdl.handle.net/11567/585732 |
| Appare nelle tipologie: | 01.01 - Articolo su rivista |
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