
sheersh-topi parivartan

ganitiya rupiki aur digital chhavi prasanskaran mein, ack sheersh-topi parivartan ack aisaa operation haye joe diye gaye chitron seey chhote tatvon aur vivaranon koo nikaalata haye. dou prakaar key sheersh-topi parivartan maujood hainh "safed sheersh-topi parivartan" koo kuchh sanrachana tatva dwara input chhavi aur isake udghaatan key beach key antar key roop mein paribhaashit kiya gayaa haye, jabaki "black topp-topi parivartan" koo samaapan aur input chhavi key beach key antar key roop mein paribhaashit kiya gayaa haye. sheersh-topi parivartanon kaa upayog vibhinn chhavi prasanskaran karyon key liye kiya jaataa haye, jaise kii visheshta nishkarshan, prishthabhoomi samanikaran, chhavi vriddhi, aur anya.
ganitiya paribhaashaaen.
sootra _ 1 koo ack grayscale chhavi honey dein, ack euclidean sthaan seey maanchitran bindu yaa asatat grid "ee" (jaise sootra _ 2 yaa sootra _ 3) vaastavik rekha mein. sootra _ 4 koo grayscale kaa ack sanrachana tatva honey dein.
phir, "f" kaa safed sheersh-topi parivartan iss prakaar diyaa jaataa haih
jahan sootra _ 6 udghaatan sanchaalan koo darshaata haye.
aff" kaa kaalaa sheersh-topi parivartan (kabhi-kabhi "neeche-topi" parivartan kahaa jaataa haye)
) dwara diyaa jaataa haih
jahan sootra _ 8 samaapan sanchaalan haye.
guna.
safed sheersh-topi parivartan ack chhavi detaa haye, jisamen ack input chhavi key una "vastuon" yaa "tatvon" koo shamil kiya jaataa haye joh
black topp-hait ack chhavi detaa haye, jisamen "vastuein" yaa "tatva" hotey hain joh
sheersh-topi parivartanon dwara nikaale gaye tatvon key aakar yaa chaudaai koo sanrachana tatva sootra _ 9 key chayan dwara niyantrit kiya jaa sakata haye. baad vaalaa jitna badaa hoga, utane badey tatva nikaale jaayenge.
donon sheersh-topi parivartan aise chitra hain jinamen sabhi pixel parr kewal gair-nakaratmak maan hotey hain.
chhavi vibhajan mein iska sabse mahatvapurna upayog ack chhavi parr gair-samaan prakaash sthitiyon koo samaayojit karna aur vastuon koo alag karane key liye ack behtar seema moolya pradaan karna haye.
udaaharan key liye.
maan leejiye kii upayogkarta kewal chhavi parr chhote blobs mein ruchi rakhta haye aur badee ujjwal vastuon koo hataana chaahata haye. iss mamle mein, safed sheersh-topi parivartan badee ujjwal vastuon koo hataa sakata haye aur sanrachana tatva key aakar kaa chayan karke chhote blobs koo banaae rakh sakata haye joe hataae gaye vastuon aur ruchi kii vastuon key beach haye. chhah sabse badee ujjwal vastuon kii trijya lagbhag 50 seey 100 pixel hoti haye jabaki ruchi kii vastuon kii trijya lagbhag 2 seey 4 pixel hoti haye. isake alawa, ruchi kii vastuein golakar aakritiyaan hoti hain isaliye humm trijya 5 key saath ack disk aakar sanrachana tatva chunate hain. haalaanki, sanrachana tatva key liye vibhinn aakaron aur aakaron kaa chayan karane seey vibhinn chhaviyaan banati hain joe iss baat parr nirbhar karati hain kii vastuein sanrachana tatva mein fitt hoti hain yaa naheen.
doosara udaaharan gair-samaan roshni key tahat ack chhavi haye, jahan upayogkarta prishthabhoomi seey alag seey vastuon koo nikaalana chaahata haye. chhavi vibhajan key liye samanya vidhi teevrata moolya key aadhar parr input chhavi koo seema mein dalna haye. haalaanki, yadi chhavi gair-samaan prakaash key tahat haye, tou yeh sambhav haye kii vibhajan trutiyaan khud koo prastut curr sakati hain kyonki gahare kshetra mein kuchh vastuon mein prishthabhoomi teevrata moolyon key roop mein nikat teevrata maan hotey hain aur kewal seema vidhi kaa upayog karke naheen nikaale jaate hain. iss mamle mein, input chhavi parr otsu kii vidhi lagu honey seey pahale, safed sheersh-topi parivartan koo gair-samaan prakaash sthiti koo sahee karane aur prishthabhoomi aur vastuon key beach spasht virodhabhas banaane key liye lagu kiya jaanaa chaahiye. isaliye, vastuon koo binaa vibhajan trutiyon key poori tarah seey prishthabhoomi seey nikala jaa sakata haye. mool chhavi key liye seema maan 0.5216 aur 0.2 hain aur sootra _ 10 mein saamaanyikrit hain aur kramshah safed sheersh-topi parivartan lagu kiya gayaa haye.

