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Next: ¥Õ¥ì¡¼¥º¥Æ¡¼¥Ö¥ëºîÀ®Ë¡ Up: ¶ç¤Ë´ð¤Å¤¯Åý·×ËÝÌõ Previous: ¶ç¤Ë´ð¤Å¤¯Åý·×ËÝÌõ   目次

¶ç¤Ë´ð¤Å¤¯Åý·×ËÝÌõ¤Î³µÍ×

Æü±ÑÅý·×ËÝÌõ¤ÏÆüËܸìÆþÎÏʸ$j$¤¬Í¿¤¨¤é¤ì¤¿¤È¤­¡¤ËÝÌõ¥â¥Ç¥ë¤È¸À¸ì¥â¥Ç¥ë¤ÎÁȤ߹ç¤ï¤»¤ÎÃ椫¤éËÝÌõ¤¬ºÇÂç¤È¤Ê¤ë±Ñ¸ìËÝÌõʸ$E$¤ò¸¡º÷¤¹¤ë¤³¤È¤ÇËÝÌõ¤ò¹Ô¤¦¡¥´ðËÜ¥â¥Ç¥ë¤ò°Ê²¼¤Ë¼¨¤¹¡¥



$\displaystyle E$ $\textstyle =$ $\displaystyle arg\displaystyle \max_{e}P(e\vert j)$ (24)
  $\textstyle \simeq$ $\displaystyle arg\displaystyle \max_{e}P(j\vert e)P(e)$ (25)

¤³¤³¤Ç¡¤$P(j\vert e)$¤ÏËÝÌõ¥â¥Ç¥ë¡¤$P(e)$¤Ï¸À¸ì¥â¥Ç¥ë¤òɽ¤¹¡¥ËÝÌõ¥â¥Ç¥ë¤ÏÂÐÌõ³Ø½¬Ê¸¤«¤é³Ø½¬¤·¡¤¸À¸ì¥â¥Ç¥ë¤ÏÌÜŪ¸À¸ì¤Îñ¸À¸ì³Ø½¬Ê¸¤«¤é³Ø½¬¤¹¤ë¡¥¤½¤·¤Æ¥Ç¥³¡¼¥À¤òÍѤ¤¤Æ¡¤$P(j\vert e)P(e)$¤¬ºÇÂç¤È¤Ê¤ë±Ñ¸ìËÝÌõʸ$E$¤ò¸¡º÷¤¹¤ë¡¥Æü±ÑÅý·×ËÝÌõ¤Î¼ê½ç¤òɽ[*]¤Ë¼¨¤¹¡¥

図: Æü±ÑÅý·×ËÝÌõ¤Î¼ê½ç
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2017-04-20