Yaya a iya gudanin tsarin rangen kameran da ke cikin iluminashin da suka fuskanta

Daga cikakken tattalin amfanin alama da abubuwan gida mai ingantaccen aiki, zuwa zuwa cikakken tattalin amfanin oturaren, tattalin amfanin ayyukan kasuwanci, tattalin amfanin kankara, da tattalin amfanin roboti, dukkanan cikakken tattalin amfanin suka da wani shawara mai yawa ba tare da fahimtar. Wanda suka nufi shi ya kamata ya zama wanda mutane suka ganin.

Tattalin amfanin ayyukan kasuwanci ya sa hakan da yawa. A cikin gida na ayyuka, rana ta dari daga kofin ta kammala da tattalin amfanin fluorescent. A cikin gida na kasa, tattalin amfanin sarki na baya ta kammala da tattalin amfanin kankara na yara. A cikin gida na kasa na kofin, LED na safi da lampan sodium na yara suna tattalin amfanin wani hali. Wadannan alamun da suka yi ayyukan kasuwanci suna aiki ne a lokacin da cikakken tattalin amfanin suka nufi daidai. Tattalin amfanin maza suka yi ayyukan kasuwanci suna aiki ne a lokacin da cikakken tattalin amfanin suka nufi daidai, inda tattalin amfanin wani kuma babu kamar yadda ake kira.

Wannan rubutu ya bayyana yadda cikakken tattalin amfanin suka nufi daidai a lokacin da tattalin amfanin maza suka yi ayyukan kasuwanci, yadda masu inganta suka yi amfani da su kuma suka amfani da su don amfani da su, da yadda suka yi amfani da su don kula da tattalin amfanin daidai a lokacin da suka yi amfani da su. A cikakken tattalin amfanin da suka nufi daidai, tattalin amfanin daidai ita ce wani shawara mai yawa.

Kamar Yadda Iyakokin Da Zai Fuskanci Sun Haɗa Karkara

Lanƙa na ƙarfi ta fuskanci tare da tsarin iluminashin, yadda abu ya ƙirƙirƙo iluminashin, da mutum ko kameran da ke ganin abun.

Idan iluminashin ta gaba abu, ƙofin ya ƙirƙirƙo wani lambar na ƙarfi da yawa kafin wani. Lambar na ƙarfi da aka ƙirƙirƙo ta gaba kameran, da kuma kofin da ake amfani da shi (CFA) a cikin sensor na taswira ya zama da red, green, da blue channels. A daga nan, image signal processor (ISP) ya amfani da wani hanyoyin kuma kuma yana amfani da demosaicing, white balance, color correction, da gamma encoding don samun taswiran da kuka ganin a screen.

Wadannan hanyoyin kuma suna iya amfani da wani iluminashin. Iluminashin da suka fuskanci suna haɗa karkara a uku nau'i.

1. Lambar na ƙarfi da suka fuskanci. Koƙa ta gudanar da kuma ta ƙara yadda ake sanya kuma ta zama mai amfani da abubuwan da suka dace da wani abu mai safi a cikin wani kariya na sautin kuma a cikin wani kariya na sautin kuma. Kamera ta ƙara shirin da abun da ke safi (white point) ta hanyar algorizim. Idan LED na 2700 K da sautin rana na 6500 K suka sanya cikin wani kariya, wani shirin da abun da ke safi (white balance) ya zama mai amfani da wani kariya kuma ya bai wani kariya ba da sautin da ke cikin wani kariya.

2. Wani kariya na sautin da ke farko da sautin da ke biyu. Abubuwan da suka dace da wani abu mai safi (incandescent lamps) suka dace da wani kariya na sautin da ke cikin wani kariya. Abubuwan da suka dace da wani abu mai safi (fluorescent lamps) da LED suka dace da wani kariya na sautin da ke cikin wani kariya kuma suka dace da wani kariya na sautin da ke cikin wani kariya. Wani kariya na sautin da ke cikin wani kariya kuma wani kariya na sautin da ke cikin wani kariya suka dace da wani kariya na sautin da ke cikin wani kariya kuma suka dace da wani kariya na sautin da ke cikin wani kariya. Idan kariya na sautin da ke cikin wani kariya ta canza cikin wani kariya, kuma kariya na sautin da ke cikin wani kariya ta canza cikin wani kariya.

3. Sautin da ke canza cikin wani kariya kuma sautin da ke canza cikin wani kariya. Kuma na saurin kuma ta zama mai gudun, kuma kamarin da yawa na saurin kuma da tsarin saurin kuma zai iya haifar da kuma da kuma na saurin kuma. Kuma kuma na saurin kuma da kuma na saurin kuma (PWM) zai iya haifar da kuma na saurin kuma ko rangi a cikin kuma na saurin kuma.

Nemun zai iya haifar da kuma na saurin kuma ko kuma na saurin kuma a cikin kuma na saurin kuma, kuma na saurin kuma a cikin kuma na saurin kuma, kuma na saurin kuma na saurin kuma na saurin kuma, ko kuma na saurin kuma a cikin kuma na saurin kuma da kuma na saurin kuma. Wadannan kuma suka daga kuma na saurin kuma a cikin kuma na saurin kuma, kuma na saurin kuma na saurin kuma, kuma na saurin kuma na saurin kuma, ko kuma na saurin kuma na saurin kuma.

Tsarin Rangi na Kamera

Hamsin kuma na tsarin kamera suka daga kuma na saurin kuma a cikin kuma na saurin kuma na saurin kuma.

1. Rangin Tsarin Kuma na Kuma (AWB). AWB ya daga kuma na saurin kuma na kuma na saurin kuma da ya daga kuma na saurin kuma na kuma na saurin kuma da kuma na saurin kuma da kuma na saurin kuma da kuma na saurin kuma da kuma na saurin kuma. Kuma na saurin kuma na kuma na saurin kuma zai iya haifar da kuma na saurin kuma a cikin kuma na saurin kuma da kuma na saurin kuma.

2. Tsarin Kuma na Rangi (CCM). Bayan da kwallon bayi, kamar yadda kuma kuma ya nufin sanin yadda ya yi amfani da wasu launuka. Yadda sensor na Bayer ya zama ba ta hanyar mutum ba. Matrix na 3 × 3 ta gudanen yadda sensor ya zama a cikin space na launuka. Sistemin kamar yadda kuma suna amfani da matrix biyu ko kuma mafi yawa don iluminantin da suka fari.

3. Gamma da tone mapping. Gamma encoding ta gudanen bayanin tasirin linear zuwa signal na nonlinear. Ta hanyar tone mapping, ta kuma taka muhimmin yadda midtones suka zama da yadda launukan da suka tsaya suka zama.

4. Spaces na launuka da lookup tables. Kamar yadda kuma ta gudanen launuka zuwa output space kamar sRGB ko Display P3. Inda yadda kuma ta bukatar correction na nonlinear mai yawa, three-dimensional lookup table (3D LUT) zai iya gyara launuka wanda ba matrix zai iya gudanen.

Pipeline da aka tunin da set na global parameters zai amfani da same correction a cikin frame. Idan jini ya sa abin da ke cikin gida da kuma LED na warm suka sa abin da ke cikin gida, kamar yadda kuma suna bukatar correction biyu.

Inginiyarin don Samun Rangin Daidai a Cikin Iluminasi Mai Tsarki

Zaɓa Hardware Don Halin Iluminasi

Sinsa na Tashin Alamaru da CFA. Kammala tsarin sinsa na RGB a cikin iluminasi mai yawa a lokacin zaɓar abubuwa. Duba idan ƙaramin iluminasi suka bai wani kankara ko suka ba wani kankara mafi kyawun alama don samun saƙo.

Filtar na Optikal da Kusancin Infraridi. Tsarin infraridi a cikin ƙaramin iluminasi ba ta zama a cikin rangi na gaba ba, amma ta iya yin rarrabuwa ga rangi na RGB da ta dace waɗannan rangi na kamera. Filtar na kusancin infraridi da aka zaɓa tare muhimmi zai iya kuskure ranin rufi, wanda ke cikin halin da yawa na infraridi.

Kontrolin Flikar da Wuri na Dynamic Range Mai Tsarki. Yi kuskuren zaman kansa da zaman kansa na iluminasi idan akwai imkani. Kammala sittin HDR ko wide dynamic range (WDR) don halin da suka hada cikin wuri mai ƙarfi da wuri mai ƙarfi. Kuskuren banding da zaman kansa na iluminasi zai ba da tasirin da ke cikin wuri mai tsarki don samun rangi.

Yi Kuskuren Samun Rangi don Halin

Kullum kuma yin amfani da white balance na gurbi ko mai yawa. Kammala wani gurbi da dukkanin wadanda suka hada da alama na iluminant, sanya iluminant a kowane gurbi, kuma yin amfani da local gains. Kammala kuma yin sautin gurbin da gurbin domin hana kamar yadda yake zama akwai kudin da ke nuna.

Yin interpolation a tsakanin matrices na rarraba laun. Kammala matrices na rarraba laun a cikin wadanda suka hada da temperature na laun na gurbi. Idan temperature na laun da aka sanya ta kashe tsakanin biyu na kammala, yin interpolation a tsakanin matrices na kammala domin hana kamar yadda yake zama akwai canzawa mai yawa a rarraba laun.

Sanya kuskure a cikin 3D LUT. Yin amfani da 3D LUT domin rarraba kuskuren da ba su da linear a bayan rarraba na farko. Wannan zai taimaka a wadanda abubuwan da suka hada da skin tones ko launin abubuwa da suka hada da kuskure mai yawa.

Sanya kuskure a sanya iluminant. Alama na grayscale da modelin da suka hada da iluminant zai taimaka a sanya kuskure na yadda yike iluminant ta kashe kowane kayan aiki kuma zai taimaka a sanya input mai kyau ga algorithm na rarraba.

Kammala da testa don samun kuskure na production

Sake samar da haske mai haɗuwa a cikin dakin gwaje-gwaje. Yi amfani da ɗakin haske ko yankin gwajin da aka sarrafa tare da tushen da za a iya daidaitawa. Sake ƙirƙirar haɗuwa kamar hasken rana da haske mai haske ko LEDs mai sanyi da dumi. Yi amfani da fitilu na yau da kullum kamar D65 da D50 a matsayin tunani.

Ka auna launi kuma ka bincika sautin da ba shi da kyau. Kama daidaitaccen launi mai launi 24, kamar X-Rite ColorChecker, da kuma maƙasudin launin toka a ƙarƙashin kowane haɗin haske. Ana lissafin bambancin launi ta amfani da ma'auni kamar CIEDE2000 (ΔE00). Ƙaddamar da CCMs da LUTs har sai auna ya faɗi cikin iyakokin karɓar aikin.

Bincika daidaito a cikin samar da batutuwa. An haɗa sigogi masu daidaitawa a cikin tsarin samarwa. Yi amfani da samfurin atomatik don bincika bambancin launi, ƙetare ma'auni na fari, da daidaituwa na amsa a tsakanin batches. Wadannan gwaje-gwaje suna taimakawa wajen tabbatar da ko kayayyakin samarwa suna sake yin aikin samfurin da aka amince.

Yadda Ƙungiyar Ɗaukaka Kamara ta Taimaka

Kamfanin lafiya na raguwa a cikin iluminashi mai tsarki yana taka kuma amsa na sautin sensor, rukunin dandano, shirin driver, tuning na ISP, kafa ta hanyar system, da calibration na gaba daya. Wani baya na raguwa wanda aka ga shi a hoton gaba daya zai iya faru a kowane wurin cikin wannan hanyar.

Mun sanya da samun camera modules da mainboards. A cikin hausa, za mu iya duba sauƙi na sensor, za mu zaɓa lenses da optical filters, da za mu sanya dandano a cikin abin da ke bukata na mechanical na device.

Shirin mu na driver development yana kuma kafa na porting na sensor driver, debugging na register level, da testing na stability a cikin iluminashi, yaki, da frame rate na project. Mu kuma tuning na ISP don hausa, wanda ke kuma kafa na auto white balance, color correction matrices, 3D LUTs, noise reduction, da HDR ko WDR. Abin da ya ƙare muku na image acceptance yana kuma kafa wannan shiri.

Wani hanyar daidai zai iya yin aiki daga bayanin abu ne da saurin kayan aikin kuma kuma aikin tattaunawa, kuma aikin rarraba, aikin sanya lafiya, aikin gudumtun kuma aikin duba wani abu ne daidai. Idan kuna da alama na kuma alama na lafiya ko idan kuna da masalaci na lafiya a cikin wani hanyar daidai ne da ake amfani da ita, kuma kuma bayanin ku ko rashin taswira na ku da mu a cikin [email protected].