Socionext Inc. ÓëTakayuki Okatani ½ÌÊÚÁìµ¼µÄÈÕ±¾¶«±±´óѧÑо¿Ð¡×éºÏ×÷,¿ª·¢ÁËÒ»ÖÖз½·¨,¿ÉÒÔ¼õÉÙ
SLAM(ͬ²½¶¨Î»ºÍÓ³Éä)ËùÐèµÄ´¦Àíʱ¼ä, Õâ¶ÔÓÚÖ´ÐÐ×ÔÖ÷¿ØÖƵÄÉ豸ÖÁ¹ØÖØÒª,ʱ¼ä½öΪ´«Í³¼¼ÊõËùÐèʱ¼äµÄ 1/60¡£ÕâÖÖз½·¨Ê¹µÃÔÚһЩCPU
ÐÔÄÜÓÐÏÞÒÔ¼°¹¦ºÄÓÐÏ޵ıßÔµÉ豸µÄ SoC½øÐи߼¶ SLAM
´¦Àí³ÉΪ¿ÉÄÜ,ÀýÈç×Ô¶¯¼ÝÊ»Æû³µ¡¢AGV(×Ô¶¯µ¼Òý³µ)¡¢»úÆ÷ÈË¡¢ÎÞÈË»úºÍÆäËûÖ´ÐÐ×ÔÖ÷µÄÉ豸¿ØÖÆ,ÒÔ¼°ÖîÈç AR(ÔöÇ¿ÏÖʵ)ÑÛ¾µÖ®ÀàµÄÉ豸¡£
¸ÃÑо¿¹¤×÷Òѱ» ICCV(¼ÆËã»úÊÓ¾õÁìÓò×ʢÃûµÄ»áÒéÖ®Ò»)½ÓÊÜΪÑݽ²±¨¸æ¡£ ÕâÖÖз½·¨ÔÚ 10 Ô 11 ÈÕÖÁ 17 ÈÕÔÚÏß¾ÙÐеÄICCV
2021»áÒéÉϽøÐÐÁ˽éÉÜ¡£ https://iccv2021.thecvf.com/home
¸ù¾ÝÓÃÓÚ»ñÈ¡ÎïÌåÖÜΧ 3D ÐÅÏ¢µÄ´«¸Ð·½·¨,SLAM ¿ÉÒÔ·ÖΪÁ½ÖÖÖ÷ÒªÀàÐÍ¡£ Ò»ÖÖÊÇ LiDAR(¹â̽²âºÍ²â¾à),ËüʹÓü¤¹â²âÁ¿¾àÀë¡£
ÁíÒ»ÖÖÊÇVisual SLAM,ËüʹÓÃÏà»úͼÏñ¡£ ÊÓ¾õ SLAM
ÕýÔÚÏÔ×Å·¢Õ¹,ÒòΪËùʹÓõÄÏà»úÏà¶Ô±ãÒË,²¢ÇÒ³ýÁËͬʱ¶¨Î»Ö®Íâ,»¹¿ÉÒÔ½«¸Ã·½·¨ÓëʹÓÃͼÏñʶ±ðµÄ¸÷ÖÖ¿ØÖƹý³ÌÏà½áºÏ,´Ó¶ø¿ÉÒÔÆÚ´ýÐí¶àÓ¦Óá£
½üÄêÀ´,Ëæ×ÅÉî¶ÈѧϰµÄÒýÈë,ͼÏñʶ±ð¼¼ÊõÈ¡µÃÁËÏÔÖøµÄ½ø²½,Éî¶ÈѧϰµÄÓ¦ÓóÉΪÁËÊÓ¾õSLAMÑݽøµÄÖØÒªÒòËØ¡£ È»¶ø,»ùÓÚÌØÕ÷µãºÍÏà»ú·½ÏòÓÅ»¯µØ±êµÄδ֪ 3D
ÐÅÏ¢µÄÊøµ÷Õû(BA)ËùÐèµÄ´óÁ¿¼ÆËãÊÇ´«Í³·½·¨µÄÆ¿¾±¡£ ¶ÔÓÚ CPU ´¦ÀíÄÜÁ¦ÓÐÏ޵ıßÔµÐÍ SoC É豸,Õâ»áʹʵ¼Ê´¦Àí±äµÃÀ§ÄÑ¡£
(ͼ1)
ΪÁËÓ¦¶ÔÕâÒ»ÌôÕ½,Ñо¿ÍŶÓÌá³öÁËÒ»ÖÖʹÓá°Í¼ÍøÂç(GN)"[1] (Ò»ÖÖͼÉñ¾ÍøÂç)ͨ¹ýÍÆÀí½øÐнüËƼÆËãµÄ·½·¨¡£ з½·¨°üÀ¨´Ó GN
blockÊäÈëµÄ¹Ø¼üÖ¡ºÍµØ±êÐÅÏ¢ÖÐÍƶϸüÐÂÐÅÏ¢(ͼ 2),²¢Í¨¹ý¶à¶ÑÕ» GN ½á¹¹ÊÕÁ²µ½×îÖÕÖµ(ͼ 3)¡£ ÓëʹÓô«Í³ Levenberg-Marquardt
·½·¨µÄ±ê×¼Êøƽ²îÏà±È,ÕâЩʹµÃÍÆÀí´¦ÀíËùÐèµÄ¼ÆËãÁ¿¸üÉÙ¡£
(ͼ2)
(ͼ3)
Ñо¿ÍŶÓʹÓÃÕâÖÖеÄÍÆÀí·½·¨ÊµÏÖÁË Visual SLAM À¦°óµ÷Õû,²¢½«ÆäÓëµ±½ñ¹ã·ºÊ¹Óõķ½·¨¡°g2o¡±[2]½øÐÐÁ˱Ƚϡ£ PC ·ÂÕæ½á¹û֤ʵ,Óë
g2o Ïà±È,з½·¨¿ÉÒÔ½«´¦Àíʱ¼äËõ¶ÌÖÁ 1/60¡£(ͼ 4)
(ͼ4)
Socionext ½«´ÓÕâÏîÑо¿¹¤×÷ÖлýÀÛ¾Ñé,²¢½« Visual SLAM ¼¼ÊõÈ·Á¢Îª¹«Ë¾¶¨ÖÆ SoC ½â¾ö·½°¸µÄ²úÆ·Ö®Ò»¡£
¸Ã¹«Ë¾½«Îª¹¤ÒµÉ豸ºÍÒƶ¯µÈÐèҪͼÏñʶ±ðÁìÓòµÄ¿Í»§ÏµÍ³Ìá³ö´´ÐµÄÐÔÄܸĽø·½°¸¡£
´ËÍâ,¹«Ë¾½«¼ÌÐøÑз¢Í¨¹ýеÄÍÆÀí·½·¨Ìá¸ß´¦ÀíЧÂÊ,²¢½«ÆäʹÓÃÀ©Õ¹µ½Í¼Ïñʶ±ðÒÔÍâµÄпͻ§Ó¦Óá£
×÷Õß:
Tetsuya Tanaka, Yukihiro Sasagawa from Socionext, and Takayuki Okatani from
Tohoku University
Ö÷Ìâ:
Learning to Bundle-adjust: A Graph Network Approach to Faster Optimization of
Bundle Adjustment for Vehicular SLAM
×¢ÊÍ:
[1] ¡°¹Øϵ¹éÄÉÆ«²î¡¢Éî¶ÈѧϰºÍͼÍøÂ硱À´Ô´×Ô: https://github.com/deepmind/graph_nets, Battaglia
et al.
[2] ¡°G2o: ͼÐÎÓÅ»¯µÄͨÓÿò¼Ü¡±
À´Ô´×Ô: 2011 IEEE International Conference on Robotics and Automation, Kmmerle
et al.
¹ØÓÚSocionext Inc.
Socionext
Inc.ÊÇÒ»¼ÒÈ«ÇòÐÔ´´ÐÂÐÍÆóÒµ,ÆäÒµÎñÄÚÈÝÉ漰ƬÉÏϵͳ(System-on-chip)µÄÉè¼Æ¡¢Ñз¢ºÍÏúÊÛ¡£¹«Ë¾×¨×¢ÓÚÒÔÏû·Ñ¡¢Æû³µºÍ¹¤ÒµÁìÓòΪºËÐĵÄÊÀ½çÏȽø¼¼Êõ,²»¶ÏÍƶ¯µ±½ñ¶àÑù»¯Ó¦Ó÷¢Õ¹¡£Socionext¼¯ÊÀ½çÒ»Á÷µÄרҵ֪ʶ¡¢¾ÑéºÍ·á¸»µÄIP²úÆ·×éºÏ,ÖÂÁ¦ÓÚΪ¿Í»§Ìṩ¸ßЧÒæµÄ½â¾ö·½°¸ºÍ¿Í»§ÌåÑé¡£¹«Ë¾³ÉÁ¢ÓÚ2015Äê,×ܲ¿ÉèÔÚÈÕ±¾ºá±õ,²¢ÔÚÈÕ±¾¡¢ÑÇÖÞ¡¢ÃÀ¹úºÍÅ·ÖÞÉèÓаìÊ´¦,Áìµ¼Æä²úÆ·¿ª·¢ºÍÏúÊÛ¡£
¸ü¶àÏêÇé,ÇëµÇ¼Socionext¹Ù·½ÍøÕ¾:http://www.socionext.com¡£
±¾ÐÂΟåÖÐÌá¼°µÄËùÓй«Ë¾»ò²úÆ·Ãû³Æ¾ùΪÆä¸÷×ÔËùÓÐÕßµÄÉ̱ê»ò×¢²áÉ̱ꡣÒÔÉÏ·¢²¼µÄÐÅϢΪ½ØÖ¹·¢¸åʱµÄ ÐÅÏ¢,ÈÕºóÈô·¢Éú±ä¸ü,Ë¡²»ÁíÐÐ֪ͨ,¾´ÇëÁ½⡣
ÃâÔðÉùÃ÷£º±¾ÎÄϵ»¥ÁªÍøתÔØ£¬±¾Õ¾²»±£Ö¤ÆäÄÚÈÝÕæʵÐÔÒ²²»Í¬ÒâÎÄÖй۵㣬Çë¶ÁÕß×ÔÐмø±ð£¬²¢ºËʵ¹ã¸æºÍÄÚÈÝÕæʵÐÔ£¬½÷É÷ʹÓ㬱¾Õ¾ºÍ±¾È˲»³Ðµ£Óɴ˲úÉúµÄÒ»Çз¨Âɺó¹û£¡»¥ÁªÍø½ðÈÚ·çÏÕ¾Þ´ó£¬Í¶×ÊÒª½÷É÷£¬ÈçÓÐÒìÒéÇëÁªÏµ021-54249915
2021Äê11ÔÂ24ÈÕ ÓÚÉϺ£
°æȨ×÷Æ· δ¾Ðí¿É ÇëÎðתÔØ ¡¡