nkhani

Khodi ya mbali ziwiri" target="_blank">Makhode a mbali ziwiri amatchedwanso QR Code, ndipo dzina lonse la QR ndi Quick Response.Ndi njira yotchuka kwambiri yolembera pazipangizo zam'manja m'zaka zaposachedwa. Imatha kusunga zambiri. Zambiri zitha kuyimiranso mitundu yambiri ya data.
Khodi yamitundu iwiri / yamitundu iwiri (2-dimensional bar code) imalemba zidziwitso za chizindikiro cha data ndi chithunzi cha geometric chomwe chimagawidwa mundege (njira ziwiri) motsatira malamulo ena; Pogwiritsa ntchito malingaliro a "0" ndi "1" mitsinje yaying'ono yomwe imapanga maziko omveka a kompyuta, pogwiritsa ntchito mawonekedwe angapo a geometric ofanana ndi binary kuyimira zolemba ndi manambala, kuwerenga mwachisawawa pogwiritsa ntchito zida zolowetsa zithunzi kapena zida zojambulira zithunzi kuti mukwaniritse Automatic processing. chidziwitso: ili ndi zina zodziwika bwino zaukadaulo wa barcode: dongosolo lililonse la code lili ndi mawonekedwe ake enieni; khalidwe lililonse limatenga m'lifupi mwake; ili ndi ntchito yotsimikizira, ndi zina. Pa nthawi yomweyi, imakhalanso ndi ntchito yodziwikiratu chidziwitso m'mizere yosiyana, ndi kukonza kusinthasintha kwazithunzi ndi kusintha mfundo.
Mawonekedwe
1. Kuchuluka kwamakachulukidwe, chidziwitso chachikulu: imatha kukhala ndi zilembo zazikulu 1850 kapena manambala 2710 kapena 1108 byte, kapena zilembo zaku China zopitilira 500, zomwe ndizokwera kambiri kuposa kuchuluka kwa chidziwitso cha barcode wamba.
2. Kusiyanasiyana kwa ma codec: barcode imatha kuyika zithunzi, mawu, zilembo, siginecha, zidindo za zala ndi zidziwitso zina zamakompyuta, ndikuzifotokoza ndi ma barcode; imatha kuyimira zilankhulo zingapo; ikhoza kuyimira deta yazithunzi.
3. Kulekerera kwamphamvu kwamphamvu ndi kukonza zolakwika: izi zimathandiza kuti barcode yamitundu iwiri iwerengedwe bwino ikawonongeka pang'ono chifukwa cha kuphulika, kuipitsidwa, ndi zina zotero, ndipo chidziwitsocho chikhoza kubwezeretsedwanso pamene malo owonongeka afika 50%.
4. Kudalirika kwakukulu kwa ma decoding: Ndikotsika kwambiri kuposa kuchuluka kwa zolakwika za barcode decoding 2/1000000, ndipo kulakwitsa pang'ono sikudutsa 1/10000000.
5. Njira zachinsinsi zitha kuyambitsidwa: chinsinsi komanso zotsutsana ndi zabodza ndizabwino.
6. Zotsika mtengo, zosavuta kupanga, ndi zolimba.
7. Mawonekedwe, kukula ndi chiŵerengero cha zizindikiro za barcode zikhoza kusinthidwa.
8. Ma barcode a 2D amatha kuwerengedwa pogwiritsa ntchito ma laser kapena CCD.