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Zochita Zofunikira za Photoshop
Zofunikira Zatsopano Zatsopano ™ Khanda Latsopano Losintha Zojambula za Photoshop
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Zochita Zofunikira za Photoshop
Chithunzicho Maapatimenti pafupipafupi Kupatukana Photoshop Action
$47.00
Ofufuzawa apanga makina amakanema opangidwa ndi laser omwe amalemba zithunzi za 3D zosanja kwambiri, kuyambira pamtunda wa kilomita imodzi (3000 mapazi).
Njirayi imadziwika kuti Time-of-Flight (ToF) kujambula kwakukulu, kutengera nthawi yomwe zimatengera kuti kuwala kochokera ku laser kubwerere komwe kudachokera, atachotsa chinthucho.
Mpaka pano, kutalika kwa kulingalira kwa 3D kunali kochepa kwambiri
Ukadaulo womwe wagwiritsidwa ntchito pano ndi wofanana ndi radar, koma umagwiritsa ntchito kuwala, m'malo mwa ma microwave. Polemba mapangidwe azinthu mu 3D, asayansi amapanga laser laser ndikuyeza kutalika kwake kuti kuwala kubwerere.
Kuwona kwakuya kwa ToF kulipo kale amagwiritsidwa ntchito pakuwona kwamakina ndi makina oyendetsa magalimoto oyenda paokha.
Mpaka pano, mawonekedwe omwe anali atakwaniritsidwa anali ochepa. Komanso, zida za ToF zinali ndi vuto ndi malo ambiri omwe samawonetsa kuwala kwa infrared moyenera.
Asayansi ochokera ku Edinburg, Scotland posachedwapa achita ndi izi, ndipo anena zotsatira zawo mu magazini yapadziko lonse ya Optical Society, Optics Express.
Millimeter yolondola pamitunda yayitali
Wotsogozedwa ndi Gerald Buller, pulofesa ku Yunivesite ya Heriot-Watt ku Edinburgh, gulu la ofufuza lakwanitsa kujambula zithunzi za 3D za zinthu, kuchokera pa kilomita imodzi kuchokera pamenepo.
Makamera awo amasesa mwachangu mitanda yamagetsi yotsika kwambiri, pamaulendo ataliatali. Kenako imatenga nyali yobwerera, ndipo imakonza nthawi yoyenda yozungulira ya munthu aliyense pamatrix, pixel-pixel.
Mosiyana ndi makina azithunzi zakuya zam'mbuyomu, iyi imagwiritsa ntchito kutalika kwa ma laser (pafupifupi ma 1560 nanometers), omwe yambitsani kujambula mitundu yayitali kwambiri, ngati zovala.
Kutalikiraku, kwa ma nanometer opitilira 1550, kumachepetsa bwino mpweya, zomwe zikutanthauza kuti amayenda mwachangu, ndipo chizindikiritso chawo chimakhala chosavuta kuzindikira, chosiyana ndi phokoso la dzuwa. Zinthu ziwirizi zimapangitsa kuti pakhale kilomita imodzi.
China chabwino pamlengalenga ndikuti ndi otetezeka m'maso, ngati agwiritsidwa ntchito pamphamvu zochepa.
Ngakhale imatha kusiyanitsa zovala, kamera siyingathenso kukonza nkhope za anthu, chifukwa khungu limatenga kuwala mosavuta. Komabe, mawonekedwe owonekera a khungu amakula mukatopa.
Kuphatikiza pa kuzindikira nkhope, makina amamera atha kugwiritsidwa ntchito poyenda movutikira, kapena monga Gerald Buller akuwonetsera, kuyesa thanzi la zomera kuchokera mundege, kuwunika zoopsa zomwe zingachitike, poyesa kusintha kwa nthaka, kapena kukonza mapangidwe a nyanja.