2D code is not only QR Code, to see what you have seen ?

Koodu mmanya 2D( 2 akụkụ mmanya koodu ) na-edekọ ozi akara data site na iji eserese ojii na-acha ọcha ekesara na ụgbọ elu (akụkụ abụọ) dịka iwu ụfọdụ dị na geometry nyere.N'ime nchịkọta koodu ahụ, a na-eji akọ na-eji echiche nke '0' na '1' iyi iyi, nke mebere mgbanaka n'ime kọmputa.A na-eji ọtụtụ ụdị geometric kwekọrọ na ọnụọgụ abụọ na-anọchi anya ozi ọnụọgụgụ nke ederede, a na-ahazi ozi ahụ na-akpaghị aka na-agụ ngwa ntinye ihe oyiyi ma ọ bụ ngwaọrụ nyocha fotoelectric.O nwere ụfọdụ njirimara na-ahụkarị nke teknụzụ koodu mmanya: koodu ọ bụla nwere nhazi agwa nke ya.Akparamagwa ọ bụla nwere ụfọdụ obosara.O nwere ụfọdụ ọrụ nkwenye.N'otu oge ahụ, ọ nwekwara ọrụ nke njirimara akpaka nke ahịrị dị iche iche nke ozi na nhazi ihe ntụgharị ntụgharị eserese.

Koodu 2D bụ usoro koodu mmanya dị elu karịa koodu 1d.Koodu 1d nwere ike kwupụta ozi n'otu ụzọ (n'ozuzu kehoraizin direction), ebe 2d koodu nwere ike ịchekwa ozi na ma kehoraizin na vetikal ntụziaka.Koodu 1d nwere ike mejupụta naanị ọnụọgụ na mkpụrụedemede, ebe koodu 2d nwere ike ịchekwa ozi dịka mkpụrụedemede China, ọnụọgụ na eserese, yabụ mpaghara ngwa nke koodu 2d ka ukwuu.

Dabere na ụkpụrụ nke koodu 2d, enwere ike kewaa koodu akụkụ abụọ ụzọ abụọ: koodu matrix 2d na koodu stacked / ahịrị 2d.

Koodu Matrix 2d Matrix 2d code, makwaara dị ka koodu chessboard 2d, ka edobere n'ime oghere akụkụ anọ site na nkesa pikselụ ojii na ọcha dị iche iche na matriks.N'ọnọdụ mmewere kwekọrọ na matriks, ọnụọgụ abụọ '1' na-anọchi anya ọdịdị nke isi ihe (isi ihe square, isi okirikiri ma ọ bụ ụdị ndị ọzọ), na ọnụọgụ abụọ '0' anaghị anọchi anya ọdịdị nke isi.Ntugharị na nchikota isi ihe na-ekpebi mpụtara nke koodu matriks 2d nọchitere anya ya.Koodu mmanya Matrix 2d bụ ụdị ọhụrụ njirimara akara eserese akpaka na sistemụ nhazi dabere na teknụzụ nhazi onyonyo kọmputa yana ụkpụrụ nzuzo jikọtara ọnụ.Koodu matrix 2d matrix bụ koodu QR, Data Matrix, MaxiCode, Han Xin Code, Grid Matrix, wdg.

Koodu QR

Koodu QR bụ koodu nzaghachi ngwa ngwa matrix koodu, makwaara dị ka koodu Denso QR.Ọ bụ koodu mmanya matrix 2d nke òtù mba ụwa kwadoro, nke Denso, Japan malitere na mbụ na Septemba 1994. Ụkpụrụ mba China kpọrọ ya koodu matrix nzaghachi ngwa ngwa.Na mgbakwunye na njirimara nke koodu mmanya 1d, ọ nwekwara uru nke ikike ozi buru ibu, ntụkwasị obi dị elu, obere ọrụ ohere, nhazi nke ọma nke ozi ederede dị iche iche, na-akwado 360 ° na-agụ akwụkwọ ntụziaka aka ike, ụfọdụ ikike mgbazi njehie, na nzuzo siri ike. na mgbochi adịgboroja.Kwado mkpụrụedemede ASCII na mkpụrụedemede ASCII sara mbara.

Micro QR bụ usoro nzuzo 2d ọhụrụ a tụrụ aro na ISO: akwụkwọ 2006, nke yiri QR.Agbanyeghị, atụnyere koodu QR 2d, Micro QR nwere njirimara ndị a: naanị otu akara ọchụchọ ka achọrọ, yana olu pere mpe.

Data Matrix

Data Matrix, nke akpọrọ Data code, bụ nke International Data Matrix (ID Matrix) chepụtara na 1989. Enwere ike kewaa data Matrix na ECC000-140 na ECC200, ECC200 na-ejikarị eme ihe.Data Matrix na-akwado mkpụrụedemede ASCII na mkpụrụedemede ASCII sara mbara.a na-ejikarị eme ihe maka njirimara ọnụọgụ nọmba ngwaahịa obere olu.

Grid Matrix

Grid Matrix, nke a na-akpọ koodu GM, bụ koodu 2d square.Ihe eserese koodu ahụ bụ modul macro square, na modul macro ọ bụla nwere nkeji 6 × 6 square.

Koodu 2d ekpokọtara / ahịrị

A na-akpọkwa koodu mmanya 2d stacking / ahịrị-yiri stacking 2d bar koodu ma ọ bụ oyiri-parallel 2d bar code.Ụkpụrụ nzuzo ya dabere na koodu mmanya 1d, nke etinyere n'ime ahịrị abụọ ma ọ bụ karịa ka ọ dị mkpa.Ọ na-eketa ụfọdụ njirimara koodu mmanya 1d na nhazi koodu, ụkpụrụ nkwenye na ọnọdụ ọgụgụ.Akụrụngwa na-agụ ihe kwekọrọ na mbipụta koodu mmanya na teknụzụ koodu mmanya 1d.Otú ọ dị, n'ihi mmụba nke ọnụ ọgụgụ nke ahịrị, ọ dị mkpa iji chọpụta ahịrị ndị ahụ, na ngbanwe algorithm abụghị kpọmkwem otu ngwa ngwa.Ụdị nnochite anya koodu mmanya 2d: PDF417 (nke a na-ejikarị), Micro PDF417, Code 16K, CODABLOCK F, Koodu 49, wdg.

PDF 417

PDF417 ugbu a bụ koodu 2d ejiri chịkọtara nke ukwuu.Koodu mmanya bụ ụdị koodu mmanya njupụta dị elu, n'otu mpaghara karịa koodu 2d nkịtị nwere ike ịnabata ozi ndị ọzọ.A na-eji ya eme ihe na tiketi lọtrị, tiketi ikuku, ihe nkiri ọgụgụ ID.

Na-achọ ọnụ ala dị ọnụ ala naihe nyocha barcode kacha mmamaka azụmahịa gị?

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