Information technology . generic of moving coding pictures associated audio information . part 3 : audio 信息技術.與移動編碼圖像相關的音頻信息的類屬.第3部分:音頻
Information technology - generic of coding pictures and associated audio information - part 3 : audio iso iec 13818 - 3 : 1995 ; english version en iso iec 13818 - 3 : 1996 信息技術.活動圖像和有關音頻信息的編碼總則.第3部分
It first proposes a filter to eliminate noise , then deals with vertical scratches and those points that do not comply with the bar codes " boundary characteristics by a point - search strategy . later , during process of restoring the bar coded pictures , the contaminations will not be restored due to that fact that their seeds for restoration have been cleaned beforehand 還給出了一種基于pdf417二維條碼結構特性的算法,該方法設計濾波器濾除噪聲部分,再采用點搜索法進一步去除不符合條碼邊界特點的孤立的點和容易與邊界混淆的豎直劃痕,最后對條碼圖像進行復原。