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Copy Of The Security Standard Code Detection And Recognition System

Posted on:2001-01-16Degree:MasterType:Thesis
Country:ChinaCandidate:J LiuFull Text:PDF
GTID:2208360002950146Subject:Signal and Information Processing
Abstract/Summary:PDF Full Text Request
It has been very prevalent to copy fleetly file by using manifdder,at the sametime.the case about spreading handbill which is no good to sociaty and fabricatingcertificate by means of manifdder is becoming more and more.Because there are novalid evidence to discern these files,it is very difficult to investigate and solve thosecases like this. On the basis of the invisible marks formed on the copy file,this paperfocus on research about how to discover them.On the first of this paper,it is researched that the principle how those marksformed on the file and rule how they are coded;On the base, the system developssuccessfully interface of image scan on the standard of TWAIN,and then enters theimage of marks on the file into the computer to deal with by using ImageManipulation such as binarization, geometry transforming, backgroundremoving.Lastly,the image of marks is recognized through the two methods,automaicrecognition and man-machine conversation,which are combined.Obtaining thenumber of manifdder.the system can inquire the database of manifdder aboutinformation of this note. Accordingly,it is very useful to help the policeman to solvethe case.The paper applies multinomial technique involved Object Oriented,lmageManipulated,Pattern Recognited and Database, and provides many function includingImage Scan, Image Manipulation, Image Recognition as well asquery,addition, modification, deletion, browse and printing related to the database. Thesystem meets all the requirements on the aspect of veracity and speediness whichmarks recognized,system interface and function.
Keywords/Search Tags:Copy File, Database Management System, MarkMark Image, Image Quality, Scanner Interface, Mark Recognition
PDF Full Text Request
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