Mataki na 1:Saitunan kayan aiki
Launi na Ƙarya: Launuka masu haske (launi na ƙarya) na iya inganta ƙudurin bambanci ta haɓaka bambance-bambancen nama mai wuya-da-fahimta.A ka'ida, idon ɗan adam zai iya gane iyakacin adadin launin toka kawai, amma yana iya gane adadi mai yawa na matakan launuka daban-daban.Sabili da haka, canza launi na iya haɓaka fahimtar tsarin nama mai laushi.Launi-launi baya canza bayanan duban dan tayi da aka nuna, amma yana inganta fahimtar bayanan.
2D kwandishan hoto
Manufar daidaita hoton mai girma biyu shine don bambance nama na myocardial da tafkin jini na zuciya zuwa mafi girma yayin da yake riƙe babban ƙimar firam.Mafi girman ƙimar firam ɗin, mafi kyawun nunin hoton da ƙarin bayanin da zaku iya samu.
Ma'auni waɗanda ke shafar ƙimar firam
Zurfin: Zurfin girman girman hoton hoton.Mafi girman zurfin, tsawon lokacin da ake ɗauka don siginar komawa zuwa bincike, kuma ƙananan ƙimar firam.
Nisa: Girman nisa na hoton, yana rage girman layin samfurin gida, kuma yana rage ƙimar firam ɗin.Zuƙowa hoto (zuƙowa): Ayyukan zuƙowa na yanki mai ban sha'awa yana da ƙima mai girma don kimanta ƙananan ƙananan sifofi da tsarin tafiyar da sauri, kamar ilimin halittar bawuloli.
Girman layin: Matsakaicin layin sikanin kowane firam na hoto shine girman layin.
Hanyar inganta hoto mai girma biyu
Hoto masu jituwa (harmonics): Saboda tsangwama mai ƙarfi na gefen-lobe na filin sauti na asali da kuma raunin raunin gefen-lobe na filin sauti mai jituwa, sunan hoton sautin da aka kafa ta amfani da bayanan jikin ɗan adam wanda na biyu ya ɗauka. masu jituwa a cikin amsawar (wani tunani ko watsawa) Don duban dan tayi jituwa.
Multi-yanki hadawa Hoto (XBeam): Haɗaɗɗen sarrafa hoto a cikin yankin mitar da sararin samaniya zai iya kawar da mummunan tasirin raguwar ƙudurin sararin samaniya wanda ya haifar da ɓarnawar hoto da rage girman hoto, kuma ya daidaita don rashin ƙudurin sararin samaniya na ainihin hoton. .Samu hoto mai haske.
Step2: Daidaita launi, iko da babban ƙarfin ikon Doppler
Domin hotuna masu inganci galibi suna nunawa
1. Girman hoton yana da matsakaici
2. Hoton yana da haske da inuwa mai dacewa
3. Kyakkyawan bambancin hoto da babban ƙuduri
4. Kyakkyawan daidaiton hoto
5. Ƙara yawan hankali da kuma nuna ƙananan gudu na jini
6. Rage zubar da launi kuma cire aliasing
7. Ƙara ƙimar firam (kama manyan siginar kwararar jini)
8. Ƙara PW&CW hankali
Saitunan menu na ainihi
Sarrafa riba: Idan saitin ribar launi ya yi ƙasa sosai, zai yi wahala a nuna alamun launi.Idan saitin ya yi tsayi da yawa, zazzagewar launi da aliasing zai faru.
Tace bango: Yana kawar da hayaniya da ke haifar da jijiya ko motsin bangon zuciya.Idan matatar bangon ta yi ƙasa sosai, launuka za su yi zub da jini.Idan saitin tace bango ya yi tsayi da yawa kuma an daidaita saurin gudu sosai, zai haifar da rashin kyawun nunin kwararar jini.Domin nuna ƙarancin guduwar jini, dole ne a rage kewayon gudun yadda ya kamata don dacewa da saurin kwararar jini da aka gano, ta yadda za'a iya nuna kwararar jini mai launi da kyau.
Saitunan menu na ƙasa
Taswirar launi: Kowace yanayin nunin taswirar launi na sama yana da zaɓuɓɓuka daga ƙasa zuwa babba, ta amfani da launuka daban-daban don nuna yanayin kwararar jini daban-daban.
Mitar: Akwai zaɓuɓɓuka uku: babba, matsakaici da ƙasa.A manyan mitoci, saurin da za a iya auna yana da ƙasa kuma zurfin yana da ƙasa.A ƙananan mitoci, saurin da za a iya aunawa ya fi girma kuma zurfin ya fi zurfi.Matsakaicin mitar yana wani wuri a tsakanin.
Matsakaicin kwararar jini (flowresolution): Akwai zaɓuɓɓuka biyu: babba da ƙasa.Kowane zaɓi yana da zaɓuɓɓuka da yawa daga ƙasa zuwa babba.Idan an saita ƙudurin kwararar jini zuwa ƙasa, pixels launi za su yi girma.Lokacin da aka saita zuwa babba, pixels masu launi sun fi ƙanƙanta.
Ma'aunin sauri (ma'auni): Akwai kHz, cm/sec, da zaɓuɓɓukan m/sec.Gabaɗaya zaɓi cm/sec.Ma'auni: Sarrafa siginonin launi da aka ɗorawa akan hoton duban dan tayi mai girma biyu ta yadda za'a nuna siginar launi a cikin bangon jirgin jini ba tare da zubewa ba.Matsakaicin zaɓi shine 1 ~ 225.
Smooting: Yana gyara launuka don sanya hoton yayi laushi.Yi amfani da zaɓuɓɓuka biyu, TASHI da FADUWA, don cimma daidaito.Kowane zaɓi yana da zaɓuɓɓuka da yawa daga ƙasa zuwa babba.
Girman layin: Lokacin da yawan layin layi ya karu, ƙimar firam ɗin yana raguwa, amma bayanin da ke cikin launi Doppler yana ƙaruwa, kuma iyakoki tsakanin tafkin jini na zuciya, bangon ventricular, da septum interventricular ya zama mafi bayyane.Lokacin saitawa, kuna buƙatar daidaita alakar da ke tsakanin ƙimar layin da mita, kuma kuyi ƙoƙarin cimma mafi girman girman layi a ƙimar firam mai karɓuwa.
Damke kayan aiki: Yawancin lokaci ana zaɓa don kashewa.
Tushen launi: Matsar da layin launi na doppler sama da ƙasa don kawar da ko rage murɗa launi ta yadda launi Doppler zai iya yin daidai daidai da matsayin kwararar jini.
Fitar layi: Domin samun daidaito tsakanin ƙuduri na gefe da hayaniyar hoto, zaku iya zaɓar adadin masu tacewa na gefe, tare da zaɓuɓɓuka daban-daban daga ƙasa zuwa babba.
Daidaitawar Ultrasound na yau da kullun ---2D, CDFI, PW, da sauransu.
1.2D Daidaita
1.1 2D daidaitaccen abun ciki akai-akai
1.2
2D Abin ciki mara daidaituwa akai akai
Zurfin:
Yi amfani da ƙananan bincike-bincike lokacin da raunin gabobi na sama ya yi girma
Ayyukan haɓaka hoto (karantawa da rubuta haɓakawa) yana nuna ƙananan sifofi kuma yana inganta daidaiton aunawa
Ayyukan haɓaka hoto (karantawa da rubuta haɓakawa) yana nuna ƙananan sifofi kuma yana inganta daidaiton aunawa
Hasken hoto da inuwar da ta dace da riba --- tana daidaita girman nunin duk siginar da aka karɓa, yana shafar haske na nunin duban dan tayi.
Matsanancin raunin hypoechoic yana ƙara yawan riba don hana rashin ganewar asali kamar cututtukan cystic
Zurfin samun ramuwa DGC yana daidaita haɓakar haɓakawa da haɓaka halayen raƙuman ruwa na ultrasonic lokacin yaduwa a cikin jikin ɗan adam, wanda zai haifar da faɗakarwa mai ƙarfi a cikin filin kusa da rarraunar sauti a cikin filin nesa.Daidaita DGC don murkushe filin kusa da rama filin mai nisa, ta yadda hoton hoton ya kasance yana kula da Uniform.
Lokacin aikawa: Nuwamba-23-2023
