%Aigaion2 BibTeX export from Idiap Publications
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@ARTICLE{FunesMora_IJCV_2015,
         author = {Funes Mora, Kenneth Alberto and Odobez, Jean-Marc},
       keywords = {appearance based methods, Gaze estimation, head-pose invariance, person invariance, RGB-D cameras},
       projects = {Idiap, TRACOME},
          month = jun,
          title = {Gaze Estimation in the 3D Space Using RGB-D sensors. Towards Head-Pose And User Invariance.},
        journal = {International Journal of Computer Vision},
         volume = {118},
         number = {2},
           year = {2016},
          pages = {194-216},
           note = {First online: 13 November 2015},
           issn = {0920-5691},
            url = {http://link.springer.com/article/10.1007/s11263-015-0863-4},
            doi = {10.1007/s11263-015-0863-4},
       abstract = {We address the problem of 3D gaze estimation within a 3D environment from remote sensors, which is highly valuable for  applications in human-human and human-robot interactions. To the contrary of most previous works, which are limited to screen gazing applications, we propose to leverage the depth data of RGB-D cameras to perform an accurate head pose tracking, acquire head pose invariance  through a 3D rectification process that renders head pose dependent eye images into a canonical viewpoint, and computes the line-of-sight in the 3D space. To address the low resolution issue of the eye image resulting from the use of remote sensors, we rely on the appearance based gaze estimation paradigm, which has demonstrated robustness against this factor. In this context, we do a comparative study of recent appearance based strategies within our framework, study the generalization of these  methods to unseen individual, and propose a cross-user eye image alignment technique relying on the direct registration of gaze-synchronized eye images. We demonstrate the validity of our approach through extensive gaze estimation experiments on a public dataset as well as a gaze coding task applied to natural job interviews.},
            pdf = {https://publications.idiap.ch/attachments/papers/2015/FunesMora_IJCV_2015.pdf}
}