
roopaghadanayude asthikoodam

digital imej prosessingil, morphological oopparettarmaar vazhi kanakkukoottunna oru aakruthiyudeyo bainari imaginteyo (allengil medial axis) praathinidyamaanu morphological asthikoodam.
roopaghadanayude asthikoodangal rund tharatthilunda 
dwaarangal vazhi asthikoodam.
landuyejolinte soothravaakyam.
thudarchayaaya chithrangal.
(lantiujol 1977) ll, thudarchayaaya bainari imej formula _ 1-nte asthikoodathinu inipparayunna roopaghadana soothravaakyam lantyoojol uruthirinju
formula _ 3, formula _ 4 enniva yathaakramam roopaghadanayude mannolipum thurakkalum aanenkil, formula _ 5 ennathu radius formula _ 6 nte oru ooppan booal aanu, formula _ 7 ennathu formula _ 8 nte klosaraanu.
vyathirikthamaya chithrangal.
formula _ 9, formula _ 10, aakruthikalude oru kudumbamayirikkatte, avide "bii" oru ghadana gadakamaanu,
n" enna variable ghadana gadakathinte "valuppam" ennu vilikkunnu.
landuyejolinte soothravaakyam thaazhepparayunna reethiyil vivechikkappettittundu. oru vyathiriktha bainari imej formula _ 13-nuu, asthikoodam "s (x)" ennathu asthikooda upasettukalude formula _ 14, formula _ 15-nte samyojanamaanu, avide
asthikoodathil ninnulla punarnirmmaanam.
asthikooda upasettukalude formula _ 14 ll ninnu yadhaartha aakruthi "x" inipparayunna reethiyil punarnirmmikkam
bhagika punarnirmmanangalum nadatthaam, ithu yadhaartha aakruthiyude thuranna pathippukalilekku nayikkunnu
paramavadhi discukalude kendrangalaayi asthikoodam.
formula _ 20 ennathu formula _ 21-nte vivarthanam cheytha pathippayirikkatte, athaayath "z" enna poyintilekku, athaayath formula _ 22.
z" ll kendreekrithamaaya oru aakruthi soothravaakyam _ 20 neey oru settile "a" enna maximal disk ennu vilikkunnu
oro asthikooda upavibhaga soothravaakyavum _ 27 ll "n" valuppamulla ellah paramavadhi discukaludeyum kendrangal adangiyirikkunnu.
chithrangalil roopaghadanayude asthikoodavalkkaranam nadathunnu.
roopaghadanayude asthikoodavalkkaranam oru niyantritha mannolipp prakriyayayi kanakkakkaam. thaalpparyamulla pradesham 1 pixel veethiyullathuvare chithram churukkunnath ithil ulppedunnu. valuthum memory theevravumaaya pravartthanatthil vegathilum krithyathayilum imej prosessing anuvadikkaan ithu sahayikkum. oru chithratthil asthikoodavalkkaranam upayogikkunnathinte mikacha udaaharanam viraladayaalangal prosess cheyyuka ennathaanu. chithratthil asthikooda roopeekarana saankethikavidya nadappilaakkunna bidabluemorph upayogichu ithu vegathil poortthiyaakkaan kazhiyum; oru antharnirmmitha maatlaab function. 
valathuvashathulla chithram asthikooda roopaghadanaykku ethratholam nedaan kazhiyumennu kaanikkunnu. oru bhagika chithram nalkiyaal, kooduthal poornnamaaya chithram verthirichedukkaan kazhiyum. bainari kanverttarilekku lalithamaaya oottoo threashold grayscale upayogichu chithram shariyaayi pree-prosess cheiyunnathu asthikoodavalkkarana pravarthanatthinu eluppathil nerthathaakkum. uyarnna kontraast anupatham lainukale kooduthal krithyamaaya reethiyil bandhippikkaan anuvadikkum. viraladayaalam shariyaayi punarnirmikkaan anuvadikkunnu. 
 skelim = bidabluemorph (orim, 'skell', inf);% function asthikoodavalkkarana chithrangal srishtikkaan upayogikkunnu