Human Information and Interface

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OKAJIMA Lab.

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General Concept

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The Okajima Laboratory was established at Yokohama National University in April 2004. Human brain information processing with a central focus on visual processing is being studied and Virtual Reality,Augmented Reality, Information Display, Computer Graphics, Color Processing, and Welfare Information Systems in light of human factors are being developed. In addition, we are simulating and developing intelligent systems for human interface. I should say that brain science is a goldmine in developing breakthrough technology. Join us to study out the mystery of the brain and to create new engineering applications!

Strategy

Ǿ¤òÃæ¿õ¤È¤¹¤ë¿Í¤Î´¶³ÐÃγоðÊó½èÍý·Ï¤Ï¡¢Ê£»¨¤Ç¹âÀ­Ç½¤ÊÅ·Á³¤ÎÃÎǽ¥»¥ó¥·¥ó¥°¥·¥¹¥Æ¥à¤Ç¤¹¡£Åö¸¦µæ¼¼¤Ç¤Ï¼ç¤Ë¡Ö¾ðÊ󹩳Ø(Information Engineering)¡×¤È¡Ö¿´ÍýʪÍý³Ø (Psychophysics)¡×¤ò¶î»È¤·¤Æ¡¢¿Í¤Î´¶³ÐÃγзϤʤé¤Ó¤Ë¥Ò¥å¡¼¥Þ¥ó¥¤¥ó¥¿¥Õ¥§¡¼¥¹É¾²Á¡¦³«È¯¤Ë´Ø¤¹¤ë¸¦µæ¤ò¿Ê¤á¤Æ¤¤¤Þ¤¹¡£¿´ÍýʪÍý³Ø¤È¤Ï¡¢¿Í´Ö·Ï¤ò£±¤Ä¤Î¥·¥¹¥Æ¥à¤È¹Í¤¨¡¢ÊªÍý»É·ã x ¡Ê»ë³Ð¤Ê¤é¸÷¤ä²èÁü¡¢Ä°³Ð¤Ê¤é²»¡¢¿¨³Ð¤Ê¤é°µÎÏÅù¡Ë¤òÄ輨¤·¤Æ¤½¤Î¿´Íý±þÅú y ¤ò¹ªÌ¯¤«¤ÄÄêÎÌŪ¤Ë¬Äꤷ¡¢¤½¤ÎÆþ½ÐÎÏ´Ø·¸ y = f (x) ¤«¤éËÄÂç¤Ê³ØºÝŪÃθ«¡Ê¿ôÍý²Ê³Ø¡¢ÊªÍý³Ø¡¢¿´Íý³Ø¡¢À¸Íý³Ø¡¢°å³Ø¡¢¾ðÊó²Ê³Ø¡¢¿À·Ð²Ê³Ø¤Î½ôÃμ±¡Ë¤ÈÍÍ¡¹¤ÊÊýË¡ÏÀ¤ò¶î»È¤·¤Æ¥·¥¹¥Æ¥à¤Î¥á¥«¥Ë¥º¥à¤ä¥¢¥ë¥´¥ê¥º¥à¤ò¿ä¬¤·¡¢Äê¼°²½¤ä¥â¥Ç¥ë¤ò¹½ÃÛ¤¹¤ë¤³¤È¤Ç±þÍѵ»½Ñ¤Ë·ë¤Ó¤Ä¤±¤ë¡¢¥¹¥Þ¡¼¥È¤Ç¥Ñ¥ï¥Õ¥ë¤Ê¸¦µæ¥¢¥×¥í¡¼¥Á¤Ç¤¹¡£²Ê³ØŪ¤Êȯ¸«¡Ê»ö¼Â¤òÃΤë¡Ë¤È¤¤¤¦¥µ¥¤¥¨¥ó¥¹¤ÎÃ諤ò¡¢ÃÎŪ²èÁü½èÍý¤ä¥Ö¥ì¥¤¥ó¥³¥ó¥Ô¥å¡¼¥¿¥·¥ß¥å¥ì¡¼¥·¥ç¥ó¡¢¶á̤Íè¥Ï¡¼¥É¥¦¥§¥¢¤ÎÀ߷ס¦³«È¯¤Ê¤É¤Î¥¨¥ó¥¸¥Ë¥¢¥ê¥ó¥°¤ËÍ»¹ç¤µ¤»¤ë¤³¤È¤Ç¡¢¤³¤ì¤Þ¤Ç¤Ë¤Ê¤¤¿·¤·¤¤¸¦µæÎΰè¤ò³«Â󤷤Ƥ¤¤Þ¤¹¡£¤Þ¤¿¡¢³°Éôµ¡´Ø¡Ê´ë¶È¡¢Âç³Ø¡¢¸¦µæ½ê¡Ë¤È¤Î¶¦Æ±¸¦µæ¤ä³Æ¼ï¶¦Æ±¥×¥í¥¸¥§¥¯¥È¤Ë¤â¿ô¿¤¯¼è¤êÁȤó¤Ç¤¤¤Þ¤¹¡£ºÇ¶á¤Ç¤Ï¡¢¿Í¹©ÃÎǽ¡ÊAI¡Ë¤ä¥Ç¥£¡¼¥×¥Ë¥å¡¼¥é¥ë¥Í¥Ã¥È¥ï¡¼¥¯¡ÊDNN¡Ë¤ÎÃ諤â¼è¤ê¹þ¤ß¤Ê¤¬¤é¡¢¤è¤ê³ØºÝŪ¤Ê¡ÖǾ¾ðÊ󹩳ءפι½ÃÛ¤òÌܻؤ·¤Æ¤¤¤Þ¤¹¡£

The human brain is the most complex system for information processing. As a result brain science is typically an interdisciplinary field, involving mathematics, physics, psychology, medical, informatics and neuroscience. We are mainly interested in trying to understand the "secret" of the brain through Psychophysics as a research method. Psychophysics is a powerful tool for investigating a "black-box" such as the brain and the sensor systems of a human being.

Research Field ¡¦»ë³Ð¡¦²èÁü¾ðÊó½èÍý
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¡¡¡¡¼Á´¶Ç¾¾ðÊó½èÍý¡¢¾ÈÌÀ¡¦¿§ºÌ¤Î´¶À­¹©³Ø¡¢Â¿´¶³ÐÁê¸ß¥á¥«¥Ë¥º¥à¤Î²òÌÀ

¡¦¸Þ´¶¹©³Ø
¡¡¡¡¥¯¥í¥¹¥â¡¼¥À¥ë¿©ÉÊǧÃΡ¢¿¨³ÐÄÌ¿®¡¢ÈóÀÜ¿¨¶õ´Ö¥Ò¥å¡¼¥Þ¥ó¥¤¥ó¥¿¥Õ¥§¡¼¥¹

¡¦¥Ð¡¼¥Á¥ã¥ë¥ê¥¢¥ê¥Æ¥£¡¦³ÈÄ¥¸½¼Â´¶
¡¡¡¡£Ö£Ò¡¿£Á£Ò¤òÍѤ¤¤¿ÃγС¦Ç§Ãμ¸³¤È³Æ¼ï¥·¥ß¥å¥ì¡¼¥·¥ç¥ó¥·¥¹¥Æ¥à¤Î³«È¯

¡¦Ê¡»ã¥·¥¹¥Æ¥à¹©³Ø
¡¡¡¡³Æ¼ï²ÃÎðÊѲ½¥·¥ß¥å¥ì¡¼¥·¥ç¥ó¡¢¥æ¥Ë¥Ð¡¼¥µ¥ë¥Ç¥¶¥¤¥ó¡¢´¶³ÐÊä½þ¹©³Ø

¡¦Human Vision & Image Processing
¡¡¡¡Applying Vision Science to Image Processing & Machine Learning, KANSEI iSensing
¡¦Brain and Cognitive Science
¡¡¡¡Material (Shitsukan) perception, Effects of light and color, Crossmodal mechanisms
¡¦Multimodal Information Engineering
¡¡¡¡Fusion of vision and somatic/auditory/tactile/taste/flavor sensations, i-Food project
¡¦Virtua / Augmented Reality
¡¡¡¡Psychophysical experiments and simulations using VR and AR technologies
¡¦Welfare System Engineering)
¡¡¡¡Modeling and simulation of aging vision and motor systems, Universal Design

Interior of the Lab. ¡¡
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Experimental laboratory (Driving simulator & binocular vision experiment booth)

Students' desks¡¡Refresh space
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Student territory (Desk area & refresh space)

Selected Ongoing Studies¡¦²èÁü½èÍý¡¦£Ã£Ç¡¦£Ö£Ò¡¦AR¤ò±þÍѤ·¤¿»ë³Ð¾ðÊó½èÍý¤Ë´Ø¤¹¤ë¸¦µæ
¡¡Vision research applying Image Processing, Computer Graphics and Augmented Reality
¡¦¸÷´¶¼õÀ­¿À·ÐÀáºÙ˦(ipRGC)¤Î»ë³ÐŪ¸ú²Ì¤Ë´Ø¤¹¤ë¸¦µæ
¡¡Effects of ipRGCs in brightness and color perceptions
¡¦¿©´¶ÃγФȿ©ÉÊǧÃΤΥ¯¥í¥¹¥â¡¼¥À¥ë¸ú²Ì¤Ë´Ø¤¹¤ë¸¦µæ
¡¡Crossmodal research on food and drink perceptions
¡¦¥À¥¤¥Ê¥ß¥Ã¥¯£³£Ä¥×¥í¥¸¥§¥¯¥·¥ç¥ó¥Þ¥Ã¥Ô¥ó¥°¤Ë´Ø¤¹¤ë¸¦µæ
¡¡Dynamic 3D Projection Mapping
¡¦¶¦´¶¤Î¥á¥«¥Ë¥º¥à²òÌÀ¤È¥»¥ó¥·¥ó¥°¡¦±þÍѤ˴ؤ¹¤ë¸¦µæ
¡¡Research on Mechanism of Sympathy and its Applications
¡¦ÃÎǽŪ£Õ£Ä»Ù±ç¡¦É¾²Á¥Ä¡¼¥ë¤Î³«È¯¤Ë´Ø¤¹¤ë¸¦µæ
¡¡Development of Intelligent Universal Design tools
¡¦¼«Æ°¼ÖÅëºÜÍѳƼïŽËŽ­Ž°ŽÏŽÝŽÏŽ¼ŽÝŽ²ŽÝŽÀŽÌŽªŽ°Ž½¤Ë´Ø¤¹¤ë¸¦µæ
¡¡Development of Human-Interface systems for Vehicle
¡¦²èÁü¾ðÊó¤È·Ý½ÑÀ­¡ÊArt¡Ë¤Î´Ø·¸À­¤Ë´Ø¤¹¤ë¸¦µæ
¡¡Research on relationship between image and art
¡¦»ë³Ð²Ê³Ø¤È¿¼Áسؽ¬¤ÎÍ»¹ç¤Ë´Ø¤¹¤ë¸¦µæ
¡¡Fusion of Vision Science and Deep-Learning

Contact Us <Staff> ²£É͹ñΩÂç³Ø¡¡Âç³Ø±¡´Ä¶­¾ðÊ󸦵污
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TEL&FAX: 045-339-4432
Email: okajima@ynu.ac.jp
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Katsunori OKAJIMA, Dr.Eng. (Professor)
E404 General Research Building, Division of Social Environment and Information,
Faculty of Environment and Information Sciences
Yokohama National University
79-7 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501 JAPAN
TEL&FAX: +81-45-339-4432
Email: okajima[at]ynu.ac.jp

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Current Members (2023.10-)
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¡¡Professor :1 ¡Ê¶µ¼ø¡Ë
¡¡Research Associates: 3 (¸¦µæ¶µ°÷)
¡¡Doctoral Students : 2 ¡ÊÇî»Î¸å´ü²ÝÄø³ØÀ¸¡Ë
¡¡Master Students :16 ¡ÊÇî»ÎÁ°´ü²ÝÄø¡Ê½¤»Î¡Ë¡Ë
¡¡Undergrat Students(B4) : 6¡¡¡Ê´¸¦À¸¡Ë


²°¾å¤«¤é¤Îį¤á (A view from the building roof on the lab.)

   
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