Tafole ea likateng[Pata][Bontša]
Bo-rasaense ba ka khona ho utloisisa le ho bolela esale pele likhokahano lipakeng tsa libaka tse fapaneng tsa boko ka lebaka la algorithm e ncha ea ho ithuta ka mochini e thehiloeng ho GPU e entsoeng ke bafuputsi Setsing sa Saense sa India (IISc).
Algorithm, e tsejoang ka hore ke Regularized, Accelerated, Linear Fascicle Evaluation kapa ReAl-LiFE, e khona ho sekaseka ka nepo palo e kholo ea data e hlahisoang ke li-scans tsa "magnetic resonance imaging" (dMRI) tsa boko ba motho.
Tšebeliso ea sehlopha ea ReAL-LiFE e ile ea ba lumella ho sekaseka lintlha tsa dMRI ka potlako ho feta makhetlo a 150 ho feta kamoo ba neng ba ka ba le mekhoa ea morao-rao ea morao-rao kateng.
Mokhoa oa khokahanyo ea boko o sebetsa joang?
Motsotsoana o mong le o mong, li-neurone tse limilione tsa boko lia tuka, 'me li etsa methapo ea motlakase e tsamaeang ka marang-rang a methapo ea kutlo—eo hape e tsejoang e le “axon”—ho tloha karolong e ’ngoe ea boko ho ea ho e ’ngoe.
E le hore boko bo sebetse joaloka k'homphieutha, ho hlokahala likhokahano tsena. Leha ho le joalo, mekhoa e tloaelehileng ea ho ithuta likamano tsa boko hangata e kenyelletsa ho sebelisa mefuta e hlaselang ea liphoofolo.
Leha ho le joalo, litlhahlobo tsa dMRI li fana ka mokhoa o sa hlaseleng oa ho hlahloba likhokahano tsa boko ba motho.
Litsela tse kholo tsa boitsebiso bokong ke likhoele (li-axon) tse hokahanyang libaka tsa bona tse fapaneng. Limolek'hule tsa metsi li tsamaea le mekotla ea axon ka bolelele ba tsona ka tsela e tobileng kaha li entsoe joalo ka li-tubes.
Khokahano, e leng 'mapa o qaqileng oa marang-rang a likhoele tse pharalletseng bokong, o ka khoneha ka dMRI, e thusang bafuputsi ho latela motsamao ona.
Ka bomalimabe, ho khetholla likhokahano tsena ha ho bonolo. Ke feela phallo ea marang-rang ea limolek'hule tsa metsi sebakeng se seng le se seng sa boko e bonts'itsoeng ke data ea li-scans.
Nahana ka limolek'hule tsa metsi e le likoloi. Ntle le ho tseba letho ka litsela, tlhahisoleseling feela e bokelletsoeng ke tataiso le lebelo la likoloi sebakeng se seng le se seng ka nako le sebaka.
Ka ho beha leihlo mekhoa ena ea sephethephethe, mosebetsi o bapisoa le ho bonts'a marang-rang a litsela. Mekhoa e tloaelehileng e tsamaisana haufi-ufi le lets'oao le lebelletsoeng la dMRI ho tsoa ho khokahanyo e kentsoeng le lets'oao la 'nete la dMRI e le ho tsebahatsa marang-rang ana ka nepo.
Ho etsa ntlafatso ena, bo-ramahlale pejana ba ile ba theha algorithm e bitsoang LiFE (Linear Fascicle Evaluation), empa e 'ngoe ea mathata a eona ke hore e ne e sebetsa ho Central Processing Units (CPUs), e entseng hore khomphutha e je nako.
'Nete-bophelo ke mohlala oa phetoho o entsoeng ke bafuputsi ba Maindia
Qalong, bafuputsi ba ile ba theha algorithm e bitsoang Life (Linear Fascial Evaluation) ho etsa phetoho ena, empa e 'ngoe ea bofokoli ba eona e ne e itšetlehile ka likarolo tse tloaelehileng tsa Central Processing Units (CPUs), tse ileng tsa nka nako ho etsa compute.
Sehlopha sa Sridharan se ntlafalitse mokhoa oa bona boithutong bo bocha ho fokotsa ts'ebetso ea ts'ebetso e hlokahalang ka mekhoa e fapaneng, ho kenyelletsa ho tlosa likhokahano tse sa hlokahaleng le ho ntlafatsa ts'ebetso ea LiFE haholo.
Theknoloji e ile ea hloekisoa ho ea pele ke bafuputsi ka boenjiniere hore e sebetse ho Graphics Processing Units (GPUs), e leng lisebelisoa tse khethehileng tsa motlakase tse sebelisoang ho li-PC tsa lipapali tse phahameng.
Sena se ile sa ba lumella ho hlahloba lintlha ka makhetlo a 100-150 ka potlako ho feta mekhoa e fetileng. Talgorithm ea hae e ntlafalitsoeng, ReAl-LiFE, e ne e ka boela ea lebella hore na motho ea hlahlojoang ke motho o tla sebetsa kapa a etse mosebetsi o itseng joang.
Ka mantsoe a mang, ka ho sebelisa matla a khokahanyo a algorithm bakeng sa motho ka mong, sehlopha se khonne ho hlalosa phapang ea litekanyetso tsa tlhahlobo ea boitšoaro le kelello har'a sampole ea batho ba 200.
Tlhahlobo e joalo e ka boela ea sebelisoa ho phekola. Ts'ebetso e kholo ea data e ntse e tsoela pele ho ba bohlokoa haholo bakeng sa lits'ebetso tsa data tse kholo tsa neuroscience, haholo ho utloisisa ts'ebetso e phetseng hantle ea boko le mathata a boko.
fihlela qeto e
Qetellong, ReAl-LiFE e ka boela ea lebella hore na motho ea hlahlojoang ke motho o tla etsa joang kapa a etse mosebetsi o itseng.
Ka mantsoe a mang, ka ho sebelisa matla a khokahanyo a algorithm bakeng sa motho ka mong, sehlopha se khonne ho hlalosa phapang ea litekanyetso tsa tlhahlobo ea boitšoaro le kelello har'a sampole ea batho ba 200.
Tlhahlobo e joalo e ka boela ea sebelisoa ho phekola. Ts'ebetso e kholo ea data e ntse e tsoela pele ho ba bohlokoa haholo bakeng sa lits'ebetso tsa data tse kholo tsa neuroscience, haholo ho utloisisa ts'ebetso e phetseng hantle ea boko le mathata a boko.
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