6 . ▁ ▁Y ar l ott , ▁Geoff rey . ▁Col er idge ▁and ▁the ▁A by ss in ian ▁Ma id . ▁London : ▁M eth uen , ▁ 1 9 6 7 . ▁ ▁Category : 1 7 9 6 ▁po ems ▁Category : Con vers ation ▁po ems ▁Category : Christ ian ▁poetry <0x0A> </s> ▁Sid al ce a ▁cand ida , ▁the ▁white ▁check er blo om , ▁pra irie ▁m allow ▁or ▁white ▁check erm allow , ▁is ▁a ▁wild flow er ▁found ▁from ▁Nev ada ▁to ▁Wy oming ▁and ▁south ▁to ▁the ▁southern ▁part ▁of ▁New ▁Mexico . ▁The ▁plant ▁grows ▁to ▁three ▁feet , ▁and ▁is ▁also ▁known ▁as ▁wild ▁hol ly ho ck . ▁Its ▁flowers ▁are ▁about ▁one ▁in ch ▁wide ▁with ▁five ▁pet als . ▁It ▁is ▁found ▁mostly ▁in ▁mountain ▁me adows ▁and ▁along ▁streams . ▁It ▁flowers ▁between ▁June ▁and ▁September . ▁ ▁References ▁ ▁cand ida ▁Category : Fl ora ▁of ▁the ▁Great ▁Bas in ▁Category : Fl ora ▁of ▁the ▁Western ▁United ▁States <0x0A> </s> ▁The ▁H ough ▁transform ▁is ▁a ▁feature ▁extra ction ▁technique ▁used ▁in ▁image ▁analysis , ▁computer ▁vision , ▁and ▁digital ▁image ▁processing . ▁ ▁The ▁purpose ▁of ▁the ▁technique ▁is ▁to ▁find ▁imper fect ▁instances ▁of ▁objects ▁within ▁a ▁certain ▁class ▁of ▁shapes ▁by ▁a ▁voting ▁procedure . ▁This ▁voting ▁procedure ▁is ▁carried ▁out ▁in ▁a ▁parameter ▁space , ▁from ▁which ▁object ▁candidates ▁are ▁obtained ▁as ▁local ▁maxim a ▁in ▁a ▁so -