ÿþ<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=Shift_JIS"> <title>Welcome to Takahiro OKABE's Home Page</title> </head> <body topmargin="10" leftmargin="50" rightmargin="50" link="0000FF" vlink="0000FF" alink="0000FF"> <font size=2 face="sans-serif"> <!--******************************--> <div align="center">[English/<a href="index_j.html">Japanese</a>]</div> <hr> <!--******************************--> <table width="100%"> <tr valign="top"> <td> <img src="okabe.gif" align="left" width=120> </td> <td> <div align="right"><font size=3><b>Takahiro OKABE</b></font><br> <br> <font size=2>Ph.D. (Information Science and Technology)<br> <br> Research Associate<br> Institute of Industrial Science, The University of Tokyo</font><br></div> </td> </tr> </table> <hr> <!--******************************--> <div align="right"><font size=3><b>Address</b></font><br></div> <blockquote> Yoichi Sato's Laboratory<br> Institute of Industrial Science, The University of Tokyo<br> 4-6-1 Komaba, Meguro-ku, Tokyo153-8505, Japan<br> TEL: +81-3-5452-6461 FAX: +81-3-5452-6280<br> E-mail: <a href="mailto:takahiro@iis.u-tokyo.ac.jp">takahiro@iis.u-tokyo.ac.jp</a><br> </blockquote> <a name="research"><hr></a> <!--******************************--> <div align="right"><font size=3><b>Research</b></font><br></div> <br> <b>Reflectance Analysis / Image-Based Modeling</b> <ul type="disc"> <li>Fast spectral reflectance recovery using DLP projector <li>Video temporal super-resolution based on self-similarity <li><a href="http://www.hci.iis.u-tokyo.ac.jp/en/research/analysis/asc.html">Attached shadow coding: estimating surface normals from shadows under unknown reflectance and lighting conditions</a> <table> <tr><td> <img src="asc.gif" align="left" width="300"><br> </td></tr> </table> <li><a href="http://www.hci.iis.u-tokyo.ac.jp/en/research/analysis/nirf.html">Image enhancement of low-light scenes with near-infrared flash images</a> <li><a href="http://www.hci.iis.u-tokyo.ac.jp/en/research/analysis/noise-forgery.html">Detecting video forgeries based on noise characteristics</a> <li><a href="http://www.hci.iis.u-tokyo.ac.jp/en/research/analysis/manifold-PS.html">Shape reconstruction based on similarity in radiance changes under varying illumination</a> <li><a href="http://www.hci.iis.u-tokyo.ac.jp/en/research/analysis/projector-compensation.html">Robust content-dependent photometric projector compensation</a> <li><a href="http://www.hci.iis.u-tokyo.ac.jp/en/research/analysis/nl.html">Effects of image segmentation for approximating object appearance under near lighting</a> <table> <tr><td> <img src="nl.gif" align="left" width=300><br> </td></tr> </table> <li><a href="http://www.hci.iis.u-tokyo.ac.jp/en/research/analysis/lighting-invariant-face-recognition.html">Face recognition under varying illumination based on MAP estimation incorporating correlation between surface points</a> <li><a href="http://www.hci.iis.u-tokyo.ac.jp/en/research/analysis/reflectance-from-motion.html">Reflectance estimation from motion under complex illumination</a> <li><a href="http://www.hci.iis.u-tokyo.ac.jp/en/research/analysis/cs.html">Spherical harmonics vs. Haar wavelets: basis for recovering illumination from cast shadows</a> <table> <tr><td> <img src="cs.gif" align="left" width=300><br> </td></tr> </table> <li><a href="http://www.hci.iis.u-tokyo.ac.jp/en/research/analysis/appearance-sampling.html">Appearance sampling of real objects for variable illumination</a> <li><a href="http://www.hci.iis.u-tokyo.ac.jp/en/research/analysis/pa.html">Object recognition based on photometric alignment using RANSAC</a> <table> <tr><td> <img src="pa.gif" align="left" width=300><br> </td></tr> </table> </ul> <br> <b>Human Motion Analysis / Object Recognition</b> <ul type="disc"> <li><a href="http://www.hci.iis.u-tokyo.ac.jp/en/research/sensing/mm2009-cropping.html">Sensation-based photo cropping</a> <li><a href="http://www.hci.iis.u-tokyo.ac.jp/en/research/sensing/tracking-crowds.html">Using individuality to track individuals: clustering individual trajectories in crowds using local appearance and frequency trait</a> <li><a href="http://www.hci.iis.u-tokyo.ac.jp/en/research/sensing/gor.html">Recognizing multiple objects based on co-occurrence of categories</a> <table> <tr><td> <img src="gor.gif" align="left" width=300><br> </td></tr> </table> <li><a href="http://www.hci.iis.u-tokyo.ac.jp/en/research/sensing/leveraging-visual-context.html">Discovering primitive action categories by leveraging relevant visual context</a> <li><a href="http://www.hci.iis.u-tokyo.ac.jp/en/research/sensing/gaze-lowres.html">Gaze estimation from low resolution images</a> <li><a href="http://www.hci.iis.u-tokyo.ac.jp/en/research/sensing/svm.html">Support vector machines for object recognition under varying illumination conditions</a> <table> <tr><td> <img src="svm.gif" align="left" width=300><br> </td></tr> </table> </ul> <hr> <!--******************************--> <div align="right"><font size=3><b>Publications</b></font><br></div> <br> <b>Recent Papers</b> <ul type="disc"> <li>Hideyuki Kubota, Yusuke Sugano, <u>Takahiro Okabe</u>, Yoichi Sato, Akihiro Sugimoto, and Kazuo Hiraki,<br> "Incorporating visual field characteristics into a saliency map",<br> The 7th ACM Symposium on Eye Tracking Research & Applications (<b>ETRA2012</b>), 2012. (accepted) <li>Kentaro Yamada, Yusuke Sugano, <u>Takahiro Okabe</u>, Yoichi Sato, Akihiro Sugimoto, and Kazuo Hiraki,<br> "Attention prediction in egocentric video using motion and visual saliency",<br> In Proc. the 5th Pacific-Rim Symposium on Image and Video Technology (<b>PSIVT2011</b>), pp.277-288, 2011. <li>Isarun Chamveha, Yusuke Sugano, Daisuke Sugimura, Teera Siriteerakul, <u>Takahiro Okabe</u>, Yoichi Sato, and Akihiro Sugimoto,<br> "Appearance-based head pose estimation with scene-specific adaptation",<br> In Proc. the 11th IEEE International Workshop on Visual Surveillance (<b>VS2011</b>), pp.1713-1720, 2011. <li>Wiennat Mongkulman, <u>Takahiro Okabe</u>, and Yoichi Sato,<br> "Photometric stereo with auto-radiometric calibration",<br> In Proc. IEEE Color and Photometry in Computer Vision Workshop (<b>CPCV2011</b>), pp.753-758, 2011. <li>Feng Lu, Yusuke Sugano, <u>Takahiro Okabe</u>, and Yoichi Sato,<br> "Inferring human gaze from appearance via linear regression",<br> In Proc. the 13th International Conference on Computer Vision (<b>ICCV2011</b>), pp.153-160, 2011. <li>Feng Lu, <u>Takahiro Okabe</u>, Yusuke Sugano, and Yoichi Sato,<br> "A head pose-free approach for appearance-based gaze estimation",<br> In Proc. the 22th British Machine Vision Conference (<b>BMVC2011</b>), 2011. <li>Kris M. Kitani, <u>Takahiro Okabe</u>, Yoichi Sato, and Akihiro Sugimoto,<br> "Fast unsupervised ego-action learning for first-person sports videos",<br> In Proc. the 2011 IEEE CS Conference on Computer Vision and Pattern Recognition (<b>CVPR2011</b>), pp.3241-3248, 2011. <li>Masashi Nishiyama, <u>Takahiro Okabe</u>, Imari Sato, and Yoichi Sato,<br> "Aesthetic quality classification of photographs based on color harmony",<br> In Proc. the 2011 IEEE CS Conference on Computer Vision and Pattern Recognition (<b>CVPR2011</b>), pp.33-40, 2011. <li>Michihiro Kobayashi, <u>Takahiro Okabe</u>, Yasuyuki Matsushita, and Yoichi Sato,<br> "Surface reconstruction in photometric stereo with calibration error",<br> In Proc. the 1st Joint 3DIM/3DPVT Conference (<b>3DIMPVT2011</b>), pp.25-32, 2011. </ul> <div align="right"><a href="publication.html">English Publications</a></div> <div align="right"><a href="publication_j.html">Japanese Publications</a></div> <br> <hr> <!--******************************--> <div align="right"><font size=3><b>Profile</b></font><br></div> <br> <blockquote> <table> <tr><td><font size=2>Jan. 2007 -<br>&nbsp</font></td><td><font size=2>Research Associate<br>Institute of Industrial Science, The University of Tokyo</font></td></tr> <tr><td><font size=2>Jan. 2001 - Dec. 2006<br>&nbsp</font></td><td><font size=2>Technical Associate<br>Institute of Industrial Science, The University of Tokyo</font></td></tr> <tr><td><font size=2>Apr. 1999 - Dec. 2000<br>&nbsp</font></td><td><font size=2>Ph.D. Candidate<br>Department of Physics, Graduate School of Science, The University of Tokyo</font></td></tr> <tr><td><font size=2>Mar. 1999<br>&nbsp</font></td><td><font size=2>Master of Science<br>Department of Physics, Graduate School of Science, The University of Tokyo</font></td></tr> <tr><td><font size=2>Mar. 1997<br>&nbsp</font></td><td><font size=2>Bachelor of Science<br>Department of Physics, School of Science, The University of Tokyo</font></td></tr> <tr><td><font size=2>----------<br>&nbsp</font></td><td><font size=2><br></font></td></tr> <tr><td><font size=2>Oct. 2011 -<br>&nbsp</font></td><td><font size=2>Visiting Scholar<br> Computer Graphics Group (Prof. Hendrik Lensch), Eberhard Karls Universitaet Tuebingen</font></td></tr> <tr><td><font size=2>Sep. 2011<br>&nbsp</font></td><td><font size=2>Visiting Scholar<br> Computer Graphics Group (Prof. Hendrik Lensch), Universitaet Ulm</font></td></tr> <tr><td><font size=2>Mar. 2011<br>&nbsp</font></td><td><font size=2>Ph.D. in Information Science and Technology<br>The University of Tokyo</font></td></tr> </table> </blockquote> <hr> <!--******************************--> <div align="right"><font size=3><b>Awards</b></font><br></div> <br> <ul type="disc"> <li>IPSJ 50th Anniversary Paper Award <li>The 10th Asian Conference on Computer Vision (ACCV2010): Sang Uk Lee Award (Best Student Paper) <li>The 3rd IEEE International Workshop on Projector-Camera Systems (ProCams2006): Best Paper Award </ul> <div align="right"><a href="index_j.html#awards">Including Japanese</a></div> <br> <hr> <!--******************************--> <div align="right"><font size=3><b>Activities in Academic Societies</b></font><br></div> <br> <ul type="disc"> <li>IEICE Transactions on Information and Systems: Associate Editor (2010.5-) <li>IPSJ Transactions on Computer Vision and Applications (Special Issue on MIRU): Associate Editor (2011) <li>IEEE International Conference on Computer Vision (ICCV): Reviewer (2009,2011) <li>IEEE CS Conference on Computer Vision and Pattern Recognition (CVPR): Reviewer (2009,2010,2011,2012) <li>European Conference on Computer Vision (ECCV): Reviewer (2010,2012) <li>IAPR International Conference on Pattern Recognition (ICPR): Reviewer (2010,2012) <li>IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS): Reviewer (2012) <li>Asian Conference on Computer Vision (ACCV): Reviewer (2010) <li>Scandinavian Conference on Image Analysis (SCIA): Reviewer (2011) <li>IET Image Processing Conference (IPR): Program Committee (2012) <li>Pacific-Rim Symposium on Image and Video Technology (PSIVT): Reviewer (2010,2011), Local Arrangement Committee (2009) <li>ACM Symposium on Eye Tracking Research & Applications (ETRA): Reviewer (2012) <li>IEEE Workshop on Emergent Issues in Large Amounts of Visual Data (WS-LAVD): Program Committee (2009) <li>International Workshop on Gaze Sensing and Interactions (IWGSI): Program Committee (2010) </ul> <div align="right"><a href="index_j.html#activities">Including Japanese</a></div> <br> <hr> </font> </body> </html>