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二維條形碼的分類【步殼印刷​】

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2023-02-16 | 62 Views | Share:
二維條形碼的分類【步殼印刷​】

二維條形碼的分類步殼印刷


目前二維條形碼主要有PDF417碼、Code49碼、Code16K碼、 Data Matrix碼、Maxicode碼等,根據碼制的不同,主要分為線性堆疊式和矩陣式兩大類

1)線性堆疊式二維條形碼。也稱為地積,重排在一推條形碼編碼原理的基礎上,將一錐條形碼的高度變窄,再依需要堆成多行,將多式,層排式二維條形碼,這種條形碼一耀條形碼在縱向堆疊產生。線性堆疊式二維條形碼在編碼設計、檢查原理、識別方式那方面都繼承了一維條形碼的特點,但由於行數增加,對行的辨別、解碼演算法等與一維條有所不同。比較具代表性的線性堆疊式二維條形碼有 Codel6KCode49PDF41

2)矩陣式二維條形碼。也稱棋盤式二維條形碼,這種條形碼是利用圖像識別原願以矩陣的形式組成,在一個矩形空間內,通過黑、白像素在矩陣中的不同分佈迸行編,其數據是以二維空間的形態編碼的。在矩陣相應元素位置上,用的出現表示二正制的“1”,不出現表示二進制的“0”,點的排列組合確定了矩陣碼所代表的意義其中點可以是方點、圓點或其他形狀的點。矩陣碼是建立在計算機圖像處理技術、組合編原理等基礎上的圖形符號自動辨識的碼制。具有代表性的矩陣式二維條形碼有 AztecMaxicode, Datamatrix, Vericode, Softstrip, QR code 4p

 

二維條形碼的分類【步殼印刷】

二維條形碼的分類步殼印刷

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