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y - 北海道大学
;3C! ¥¤kuáNâÌð! ĆčýēĀĢėöõĤĂģćěÞ! Øâ"#$%= iÉRP&ÉB>É"µ&É%'()*+,-(!./012,3! w É.&ÉhiÉ&! &$x´8;8;»O1;! 3.4255!"(,(-*'!6+57898(!:;!<(/0+:':=>!?@#"AB LSIÞĄĆčěâħĪÿĄġČĘ2014 Á ĆčýēĀĢėöÞã ĆčýēĀĢėöĮ½6ìàßâĎĪĉá@âĜČĈĪąó0ë¯êV ^9ânIó0¯ ± ( ²« Ê6!':D(!>:9Ë 6!':D(!>:9 Ê6!':D(!>:9Ë úĨāĪĐ ĜČĈĪąâ:/ó¼Ö ĎāĪĐ a:VĮ¹NóXÚÙ½6ĩĎĪĉâá¼ÕÙÍĎĪĉóï¯è×ð! ī¥[Ðî¤kÝÒÜÕèÎ2*ÑÌðĬ ĆčýēĀĢėöá&MW[óÖð`uÑYmÔñÜÍðE&F E&F!AG!.*9+:-2(+(!*+,!HG!I*=9'5J25”!"#$%&#!'(#)*+,)&*-./$!$,00%+/$*1,+!*2),&/(.0!3*'#4!,+!'#256,&)*+/7/+)!-*8#&+'G” ! Phys Rev E Stat Nonlin Soft Matter Phys. 2011 &MW[(RD)ĆčýēĀĢėö" ē÷ćĖĉĪĨ! IKĖĢĜĪĉ! @¸ ă÷ć! | ± ( C& @¸! āĨďĢĆď©]! 0¯3! ²« 0¯&! ĜČĈĪą! S úĨāĪĐ C3 ĜČĈĪąâ! :/ó¼Ö! qp! ĭ! |! @¸! S ĎāĪĐ &MW[?qpSBáíðúĨāĪĐÏíäĎāĪĐþĪS à úĨāĪĐ ÞĎāĪĐJâĜČĈĪąt Câ! A! {£jð! úĢĪ 4! ĖĉĪĨ¶! sÑL¢à! úĢĪ ėô÷ĨĊĖĉĪĨ! ¶âúĢĪLüU Ä IKĆčýēĀĢėöâĎāĪĐâJ~ ėô÷ĨĊĖĉĪĨ! ó3ïÛåÖ āĨďĢĆď©] # ĜČĈĪą0ë¯éÐî¨é'ïèÝ! ĄĚğĥĪĄġĨݧ IKĆčýēĀĢėöâ! ĔĪĐøùõ= æ! ĔĪĐøùõ#Ñ?bàqpSĝĎĤó Å &MW[ĈĤûĪďęďĨ(RDCA)ĝĎĤ[2] intensity" 2+N98 2+N98 update input! ī1-DĬ cell index Strong blur Light blur O'9- O'9- '2=08 58-:+= 59O 59O *1N *1N 3+,!!9N,*8( 6 subtraction L-,!!9N,*8( Q80!!9N,*8( ĩĩĩ amplification M &P80!9N,*8( [2] Asai T. and Motoike I.N., "Self-organizing striped and spotted patterns on a discrete reaction-diffusion model," ! Nonlinear Theory and Its Applications, vol. 2, no. 3, pp. 363-371 (2011). Æ RDCAĝĎĤârĄĚğĥĪĄġĨ(÷ĨĖĤĆ) g}Q Q9N,*8(5 R9N,*8(5 &39N,*8(5 &S9N,*8(5 3P9N,*8(5 3Q9N,*8(5 3R9N,*8(5 L39N,*8(5 LS9N,*8(5 QP9N,*8(5 .8*O'(!58*8( ĩĩĩ qpóSÖðRDCAĝĎĤâĔĪĐøùõ= æ rĎöąĉĤRDĘĦĈČăâõĪþčÿċĞ 9N,*8( 9N,*8( filter" memory memory input input T T intensity" intensity Strong blur blur 99! update update input! input īī1-DĬ 1-DĬ 1-D subtraction subtraction 6 6 amplification amplification amp amp ĜĝģÐîó¨éÕ! cell index index Strong blur MM subtraction subtraction Light blur blur Light blur MM HEâàðÛâçÐÕėöĤĉ~! Có'ÚÜBÔàvóS! 5DÕÜĜĝģáeÒTÕÜd_! 5DÕÜĜĝģáeÒTÕÜd_ ï°ÖÓÞÝr`,ávÑS! Ç ėöĤĉ¦¥ oS¢ &G# ĆďģĪě~)à6VW! 3G# çÐÕėöĤĉ?HFB! LG# z?yBĠđČď yBĠđČď ! share input ! image UT& *; UT& *: *&! delay" delay Light blur" *: ėöĤĉüĪĒĤ *< UT& *= *; UT& *:: *:= *: UT& *:< UT& *:= *&! subtraction" subtraction UT& UT& UT& UT& *:: *3! *= MM UT& *: T output" image Strong blur" K(52=+!+:8(X! &G# çÐÕėöĤĉâ¶ĥąĆĉâf! 3G# K('*>ĥąĆĉáíðyĉ÷ĚĨĀ©] È ĎöąĉĤRDĘĦĈČăõĪþčÿċĞâræâWG *Y! *Y! *Z! */! *Z! */! *@! *@! x filter amp x Memory amp y Memory 99! y filter 99! adder " x " " y " 2-port" SRAM" */! *.! *.! 2D image" M! ÁÀ rĎöąĉĤRDĘĦĈČăâ!1/2 x Memory 2D image" x filter amp y filter amp x y Memory adder adder " x " " y " 2-port" SRAM" y ¾âõĐĥĆüøĨĉóÍÜ x,y¬`,á¤ÕܨéÕ! ĜĝģÞ+?·âĕČėô)3ó! ÍÜĉ÷ĚĨĀ©]! çÐÕ~! ÁÁ rĎöąĉĤRDĘĦĈČăâ!2/2 x Memory 2D image" x Laplacian filter filter amp amp y Laplacian filter filter amp amp x y Memory adder " " " x " 2-port" SRAM" x ¨éÔñÙ)[>ĜĝģâóªÕ*ò×Ü! 3N:-8T.I%HáeÒTÖ! ráW[ÕÙlÑKîñð! ÛâĜĝģÐî! +`,á¨éÕ Ûâ!ėùĪćóï°Ö qpS! Á RDĆčýēĀĢėöâ" FPGA= 4 H_3PPT@`!5N(/5X! a>/':+(!66?@#3abB! <:8*'!':=2/!('(1(+85X !Q[SPR! <:8*'!/:1O2+*7:+*'!;9+/7:+5X!!Q[SPR! K(,2/*8(,!':=2/!-(=258(-5 !X!Q[SPR! <:8*'!-(=258(-5X!bcL! ! <:8*'!N2+5X!&Q3! <:8*'!1(1:->!O285X!&&c[RPR! @1O(,,(,!H9'7N'2(-!! ! !cTO28!('(1(+85X!3S! <:8*'!#AA5X!3! <:8*'!A_<XCPPP \(-2':=!]KA!:+!^_%I<_.!66 Áà Y91O(-!:;!/(''5X!&3R! K(N80X!52=+(,!RTO28! e:9+,*->X!Y(91*++! a':/J!;-(fX!&PH]g! <:8*'!':=2/!('(1(+85X!&[3Cb!V!Q[SPR!?!3R!d!B! <:8*'!/:1O2+*7:+*'!;9+/7:+5X!&[PQQ!V!Q[SPR!?!3L!d!B! K(,2/*8(,!':=2/!-(=258(-5X!bcL!V!Q[SPR!?!&L!d!B! <:8*'!-(=258(-5X!bcL! <:8*'!N2+5!X!S!V!&Q3!?!Q!d!B! <:8*'!1(1:->!O285X!bb[3cS!V!&&c[RPR!?!QS!d!B! the number of update" rĎöąĉĤRDĘĦĈČăâ= l 4 3 2 1 0 20 40 60 80 Cell index 100 120 ÁÄ rĎöąĉĤRDĘĦĈČăâ= l y 2+,()! 3+,!9N,*8( y 2+,()! y 2+,()! &58!9N,*8( x 2+,()! Y91O(-!:;!/(''5X!Qb)Qb! K(N80X!52=+(,!RTO28! e:9+,*->X!Y(91*++! ! a':/J!;-(fX!&PH]g! x 2+,()! x 2+,()! h<:8*'!':=2/!('(1(+85!!3[b3P!V!Q[SPR!?!bb!d!B! <:8*'!/:1O2+*7:+*'!;9+/7:+5!!3[3R3!V!Q[SPR!?!bP!d!B! K(,2/*8(,!':=2/!-(=258(-5!!RQc!V!Q[SPR!?!&R!d!B! <:8*'!-(=258(-5!RQc! <:8*'!N2+5!S!V!&Q3!?!Q!d!B! <:8*'!1(1:->!O285 !cP[&&3!V!&&c[RPR!?!Cb!d!B! 99! 2+8(+528> y x ÁÅ èÞë •# IKa%ĝĎĤáíð&MW[ĆčýēĀĢėöĄĚğĥĪĄġĨ úĨāĪĐ ĎāĪĐ āĨďĢĆď©] # ęĪü¡ y 2+,()! •# &MW[ĆčýēĀĢėöáL¢àqpSó"#$%ݧ! x 2+,()! ¤E&PP)&PPâ~ āĆď :- ¿³!! ?RPPH]gB <à"#$% ?/>/':+&X!%V/02NB M 7¶ĜĝģċČĘ ?\ B ~cº! ?&PP)&PPB &5 ! ¿ÿĦČÿ-v\i8?·ĜĝģZ®"#$%! &P15 ?/>/':+(b!@!\%V/02NB ÁÆ