2008-IUPR-25Jun_0856.pdf

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annotation annual anticounterfeit appear applications applying approach approaches appropriate area arises arrangements assume assumption assure automated automatic available avoid axis bacteriorhodopsin badly bank based belated belong benchmarking best bills bin binarization binarized binary bins bit black blocks blue bluish body bound bounding box boxes branch-and-bound branchand-bound breaking broad broken build built called candidate capable case cases centers certain changed changes characters check checked checks chemical choice choose chose chosen class classes classical classification classified clearly close clustering color combined comes compared comparing comparison complexity component components computation compute computed concludes conclusion confidence connected conserving considered consisting construct constructed contact contain containing contour coordinate copied copies copy copying corners correction correctly cost costs counter counterfeit counterfeits created creating criterion critical cumbersome current currently data dataset day days decide decision declarations defined defines defining degrees deliver denote denoted depend described describing description descriptors detailed detect detected detecting detection determine determined devices dfki.uni-kl.de differences different differing differs difficult dimensional dimensionality direction discarded distance distinction distortion distortions distorts distributed distribution diverse divided doctor docu document documents dodgers does domains dots doubtful downscaled e.g easily easy editor effects enable enhancements equal error errors estimate estimated estimation evaluation exactly example existing expected extra extract extracted extraction fact fail faisal.shafait fake faked fakes faking false falsification falsified far feasible feature features filtering finally finding finds fine fits fix fixed focus follow follows font fonts footers forger forgeries frame frequentist function future gave general generated generation geometric given glance global globally good gray greater handle happen hardware having headers height high high-security highest hint histogram historical holographic home-made http human hypothesis identify identifying image image-matching images imitation imperfection implicit implicitly important impractical included incorporated incorrect increase increased incremented independence induced influenced information initial ink inspection inspectors instead intensity interval intrinsic introduction invariance invariant investigated invoice invoicing involving issue joined joost.van-beusekom jun just kind kinds knowledge lack large layout layouts lead learned left let level levels lie likely limited line lines literature local log log-likelihoods look low lower machine main make manner manually marginal mask mass matched matching maximum mean measure medical medium ment mentioned merged merging met method methods middle mingGR minus missing model modeling modelling modern moire monarchs money mosaicing multi nearly need needed needs new noise non-variable normalized normally notation nov novel nowadays number observed observing obtain obtained office ones open operating operator optical optimal optimized optimum order organized origin original originality originally originals outliers outlook overlap overlapping overlay overview page painted paper paragraphs parameter parameters parties parts party passports pay peak people performance performing person persons phase phone physical picked pixel-accuracy pixels plan play plot plotted point points position positions positive positives possible posterior potentially practical practice precisely preliminary preprocessing present presented presents previous print print-based printed printer printers printing prior priority probabilistic probabilities probability problem problems procedure process processes processing processor products profiles prone proposed protection prove proved provides pseudo-copies public quality question queue quickly quite randomly rare rate reasonable reasonably recognized rectangle red reduce reducing reference regions registered registration relatively reliably remaining remake remaking removal repeated replaced reported represent represented represents respectively rest result resulting results revision right rings risk robust robustly robustness role rotation rule sample samples scale scan scanned scanner scanning scenario search searched second security seen segmentation sending sensitivity set sets setting shape short showed shown shows sign signature signatures signet significantly similar simplified simulate size sizes skew slightly small smaller smax smearing smin software sorted source sources space spacing spacings sparse special specialized specific speed split splitting stable stand standard start starting static step steps stick stopping stops strategy strong student students sub subspace subspaces suitable suited summary survey synthetic systems taken task tax technique techniques technologies test tested text texture thoroughly threshold thresholding times tmb today tolerant toner total train trained training transformation transformations transformed translation triangles true trying tune tuning txmax txmin tymax tymin type types typical typically unavoidable uncertainty unit unless upper use use-case used uses using valuable value values van variable variance variances variations vary vectors verified version view viewed vision visualization voucher vouchers want watermarks way weakness widely word work works written wrongly www.iupr.org