Čitljivost QR 2D kodova s obzirom na oštećenje koda

Pavić, Maja (2010) Čitljivost QR 2D kodova s obzirom na oštećenje koda. Baccalaureus work - Undergraduate programme. Grafički fakultet. [Mentor: Lozo, Branka].

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Abstract

Ideja ovog rada je bila obrađivanje problematike korištenja QR (Quick Response) vrste 2D kodova obzirom na njihovu čitljivost ukoliko su namjerno, simulirano oštećeni. Ovisno o poziciji oštećenja te o njegovoj veličini definirat će se čitljivost ili ne čitljvivost samog koda. Navedeno istraživanje provodit će se u eksperimentalnom dijelu rada, dok je teorijski dio rada koncipiran na način da je baziran isključivo na QR 2D kodove, načine očitavanja, karakteristike i ostale specifikacije. Osim navedene vrste kodova navode se i ostale vrste koje se također koriste poput DataMatrix koda, MaxiCoda, Aztec Code, Code 1, Code 16k i mnogih drugih koji su jednako poput QR kodova u upotrebi. QR 2D kodovi su vrsta 2D simbologije razvijena od tvrtke Denso Wave 1994. godine. Za razliku od bar kodova sadrže informacije i u vertikalnom i u horizontalnom smjeru. QR kod na taj način sadrži puno veću količinu informacija nego klasičan bar kod. Dok su konvencionalni bar kodovi sposobni za pohranu maksimalno 20 znamenki QR kod je sposoban pohraniti nekoliko desetaka do nekoliko stotina puta više informacija. Takve kodove karakteriziraju i razine korekcije, što omogućuje očitavanje koda koji je i do 30 % oštećen. Cilj rada je ustanoviti koja područja samog koda su najosjetljivija obzirom na poziciju i veličinu simuliranog oštećenja, adekvatnom opremom.

Item Type:	Baccalaureus work - Undergraduate programme
Mentor name:	Lozo, Branka
Defence date:	9 September 2010
Abstract in english:	The idea of this work was processing problems of using QR (Quick Response) type of 2D codes in terms of their readability if they are intentionally, simulated damaged. Depending on the position of damage, and on its size will be defined readability or not of the code. This research will be conducted in the experimental part of work, while the theoretical part of work is conceived in a way that is solely based on the QR 2D codes, ways of reading, features and other specifications. Besides the mentioned types of the codes allegation and other types that are also in use like DataMatrix code, MaxiCode, Aztec Code, Code 1, Code 16k and many others which are in use just like QR codes. QR 2D codes are a kind of 2D symbology developed by Denso Wave company 1994. Unlike bar codes, 2D codes contain information in vertical and horizontal direction. QR code in this way has a much greater amount of information than the classic bar code. While convetional bar codes are capable of storing a maximum of 20 digits, QR code is able to store several dozen to several hundred times more information. Such codes are characterized by levels of correction, which enables the reading of the code that is up to 30 % damaged. The aim was to determine which areas of the code are the must vulnerable, given the position and size of simulated damage with adequate equipment.
Uncontrolled Keywords:	QR 2D kod, čitljivost koda, oštećenje koda, generiranje kodova, čitanje kodova, kodna riječ, Reed Solomon korekcije
Keywords in english:	QR 2D code, code readability, damage of the code, genereting code, reading codes, codeword, Reed Solomon corrections
Subjects:	TECHNICAL SCIENCES > Graphic Technology
Institution:	Grafički fakultet
City:	Zagreb
Number of Pages:	28
Callnumber:	loz 2010 pav
Inventory number:	Z144
Status:	Unpublished
Date Deposited:	15 Nov 2013 21:43
Last Modified:	15 May 2014 12:17
URI:	http://eprints.grf.unizg.hr/id/eprint/1131

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