Wannan GRR shutter ke neman? Kana masu shirya ne da rufin shirya?

Daga cikin amfani da retinal scanning, kamera shutter rolling yana iya yi fisar da sabon mahauta a cikin wannan suna da ke nuna daga ido eniya. A cikin wannan kasuwa, kamera ya kamata ake shawara daga cikin gaba matakin mataki ko retina a cikin shawara bakwai da ke soyi saukon artifact rolling shutter. Akwai, ana zaka ce na gaskiya? An kuma zaka ce na farko? Kamar shi, kamera rolling shutter suka shawara rayuwar frame line by line.
 
Wannan yake ne yanzu a cikin rubutun na gode. Ba shi wanda, kamera rolling shutter suna aka fiye mai GRR (Global Reset Release) dai dai ya soya wannan masalaci. Zaka ci gaskiya a cikin wannan rubutu.

Inkaren Shutter Da Niƙin

Binciken, suna ba su sami amfani da ɗaya inkaren kamera shutter: global shutter ko rolling shutter. A cikin sabon fahimta , shigar da rubutun wannan.
 
man shi global shutter? Taktari global shutter ya kawo daga cikin wannan aiki da yanzu, waniyanan rubutun kamera ya zage jami'i a matsayin sama, suka yi aiki mai kyau don hanyar kira rubutun gaba da tsaye masu fita, amma ya kamata aiki mai saita. Amma, ya ne binciken aiki mai kyau.
 
man shi rolling shutter? Taktari rolling shutter, na farko, ya kawo daga cikin wannan aiki da yanzu, rubutun kamera ya zage jami'i a matsayin sama, suka yi aiki mai kyau don hanyar kira rubutun gaba da tsaye masu fita, amma ya kamata aiki mai saita. Amma, kamar rubutun kamera rolling shutter suka ne ba haifuwa daidai don hanyar kanƙwace da ɗaya da cikakken kasance.
 
Don gaskiya, don soya masu shirye ta global open da rolling shutter, samanin da ke gabatar da mutum gaɓonin daidai, Global Reset Release Shutter (GRR) ya kawo.

 
Man shi GRR mode?

man shi an jiruwa Global Reset? Global Reset Release Shutter (GRR) ya ci gaba da Global and Rolling Shutters, a kewaye suna da cikakken both Global and Rolling Shutters, a kewaye suka yi amfani daidai a karatun ake taimaka da aka saita rolling shutter effect saman saman, wanda suka gabata cost-effective da low noise levels. GRR shutter ya sani da sabon tunani da global shutter a matsayin exposure phase, wanda all pixels suka begin exposing a sama rubutu, mai ke nuna Rolling Shutter a matsayin reading phase, wanda pixel data suka read out line by line.
 
Sabon amfani daidai na GRR shutter suka soya daidai a kan application scenarios wanda fast moving objects suka zo aiki saman saman wanda suka gabata costs under control. examples include industrial vision inspection, robot navigation, da high-speed imaging applications. GRR shutter suka provide images da sharpness da traditional rolling shutters saman saman suka avoid image distortion caused by line-by-line exposure.

 
Mana shi an yi GRR mode?

Zuciya na fitar daidai Global Reset Release Shutter (GRR) suna yi shirin hanyar daidai: hanyar reset, hanyar integration da hanyar readout.
 
Daga wannan lokacin reset, dukkan pixels game da GRR mode suka reset samu wata tsari, an baya masu aiki kuma. An sauke motion blur da distortion na cikin rubutu kuna yana so daidai a kan yi shafi a cikin objects.

 
A hanyar integration, dukkan pixel rows suka begin shirye samu wata tsari, an yi shafi a cikin scene. A wannan hanyar, GRR mode ya same da global shutter, an baya masu aiki kamera a yi shafi scene din jihar sansan bida an yi sosai da rolling shutter effect. Hanyar readout, amma, suka fiye zuwa mai hanyar rolling shutter, amma dukkan pixels suka shigo line by line, an sauke brightness gabatar da, kuma abin daidai bayan top to bottom na image.
 
Don Allah ake kula mode GRR biyu, yin tattabuwa daidai an samu a cikin rubutu jihar integration talla na wata flash ko matakin hanyar gaskiya, kuma an baya daga cikin wannan domin yi aiki mai same daidai don chanjar da masu row pixel a cikin wata zamani. Ayyukan nan an sami a cikin pins GPIO ko I2C communications, domin yi shigar da sequence GRR kuma domin samfafa tattabuwa. Mataki, kameras Basler an sami paramita ReadoutTimeAbs don suka samun zamanin rubutu sensor, kuma Sinoseen camera module an sami support mode GRR customized.

 
Kullumai ne suna ke nuna a cikin mode GRR kuma shirya mai hadinka

Domin wannan mode Global Reset Release Shutter (GRR) an sami fadiyar kafin ake kula effect rolling shutter, ana kullumai ne, amma mai sauran wannan, domin wannan domin image brightness uniformity kuma exposure control. Don kula da wannan kullumai, tekniki ne kuma strategijin ne an sami a cikin wannan  

Yi aiki na mechanical shutter external

Kuna shine tabbata rubutu na GRR a cikin yanzu suna da shawarwar wakilci, ya kara binciken rashin gaba daga cikin samfari daidai. A kan samun masadda daidai, shafa mekaniki na karatu mai tsaye a ke yi amfani, ya taimaka a matsayi na fasalin idon, ya sauke wannan tsaye ta gabatar da hanyoyi da aka yi samfari ga sensor don wani haifuri. Wannan labarin ake soyaake da aka gabatar da hanyoyi da aka yi samfari, ya che daidai samfari na rashin mutane.

 
Gabatar Da Hanyoyi

Don zai iya amfani da flash a cikin samfari da aka soyaake da aka taimaka suka samu samfari, ya kamata da amfani da effect na global shutter da aka samun samfari rashin gaba daga cikin shawarwar wakilci na rubutu. Wannan labarin ake son fahimta da sabbin kontrolar flash on da off don sake samun samfari na GRR.
 
Kadai, wata daidaita a cikin wannan ake yi daga kuma biyu na tsarin flash sabon rubutu. Tare da aiki haka, amfani da flash pulses yana samun cikin rubutu na kamara, an baya masu aiki da allahƙiwa shirin pixels suna kasance don same amount of time, tare da aiki da karfi daidaita a cikin irayen image.

 
Taimakon Software

Karfi daidaita na GRR mode yana sosai kawo tambaya daidai don software taimako. Don bayyana data na image, tambaya daidaita na karfi yana samu tambaya daidai don sosai kawo tambayoyi don samun kalittattafin image.

 
An bincika ne mai gaskiya daidai don pick rubutu mai shi faru?

Sabon gaba, sonki da cikin characteristics na motion. Idan application ka kuma da objects da suka move sabon rubutu ko cameras, global shutter yana gabatar da choice don aiki da allahƙiwa pixels suna kasance don same time, sosai kawo avoidance da kari da difference between motion blur da image distortion . Idan aiki na kana yin daidai da rubutuwa ke daga wannan, rolling shutter ya kamata shi ne option ta cikakken naira.
 
Daga cikin aikin suna da rubutuwa da kwaliyarin fisar da aka samun binciken, GRR shutter ya yi takwas. GRR shutter ya kasance wannan da global shutter daga cikin wannan tunani, ya sona rubutuwar rolling shutter don gaskiya, mai so da sumun wannan daidai da rubutuwar rolling shutter. An kawai, GRR shutter ya kamata shi ne gabatar daidai don aikin hanyar vision inspection, robotic navigation, da high-speed imaging aikin, bayan wannan daga cikin sabon wadannan idan kontrolar daidai da illumination aka samun don sona image artifacts.
 
Babu, wani hanyar system mai tsaye da frame rate, sensor sensitivity, conditions of illumination da post-processing capabilities aka samun da aka samun. Sai an yi ittakin daidai.
 
A cikin taimakon, ana son daidai a ce article ya kawo shi a kan kula da yadda Global Reset Release Shutter. Idan kuna aka zo ne daga wannan aiki na module kamara global reset release shutter ta fitar da suka yi amfani, zaka iya samu masu wanda Sinoseen ya gabatar da hanyar sadarwa da sabon abubuwa, suna kasance ne a iya ba daidai solution na module kamara. kuma iya ba daidai solution na module kamara. .

Masu Sabon Gaskiya

Sabon gaba: Ana yi shi a kan shafi da shafi ya fiye ayyuka?

B: Shaffin global ya kawo ayyuka ne biyu, shaffin rolling shi ya yi ayyuka ayyuka, da GRR shutters ya kawo ayyuka ne biyu mai tsarin daidai da kuma ya fiye ayyuka.
 
Sabon gaba: Ana yi shi a kan GRR shutter ya kawo ayyuka ne biyu a kan shaffin rolling?

B: Shaffin GRR ya kawo ayyuka ne biyu a kan ayyuka ne biyu da rubutu daidai da kuma duk pixels ya kawo ayyuka ne biyu a matsayin sama da rubutu ya kawo line-by-line.