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Date de intrare Schema generala de analiza/comparare semnaturi Principiul invariantilor

Algoritmi de recunoastere a semnaturii olografe dinamice Stefan Diaconescu sdiaconescu@softwin.ro. Agenda. Date de intrare Schema generala de analiza/comparare semnaturi Principiul invariantilor Metode de definire invarianti. Date de intrare (a). Senzor B, x. Senzor B, y. Senzor A, x.

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Date de intrare Schema generala de analiza/comparare semnaturi Principiul invariantilor

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  1. Algoritmi de recunoastere a semnaturiiolografedinamiceStefan Diaconescu sdiaconescu@softwin.ro

  2. Agenda • Date de intrare • Schema generala de analiza/comparare semnaturi • Principiul invariantilor • Metode de definire invarianti

  3. Date de intrare (a) Senzor B, x Senzor B, y Senzor A, x Senzor B (Acceleratie) Senzor A, y Senzor A (Aceleratie) ONS, x ONS, y Senzor ONS (Opt. Nav. Syst.)

  4. Date de intrare (b)

  5. Date de intrare (c) AX, AY,,, BX, BY,, ONSX, ONSY ........................................ 735, 604,, 728, 533,, 0, 0 721, 594,, 725, 520,, 2, 0 707, 600,, 716, 531,, 2, 2 700, 620,, 707, 531,, 2, 2 660, 604,, 687, 524,, 2, 0 630, 607,, 666, 529,, 0, 0 638, 620,, 670, 527,, 0, 0 648, 607,, 674, 520,, 4, 0 662, 610,, 684, 524,, 4, 0 697, 623,, 697, 526,, 2, 0 686, 639,, 688, 534,, 2, 2 674, 605,, 688, 518,, 4, 2 ...............................................

  6. Schema de analiza / comparare semnaturi Baza de specimene Semnatura noua (originala sau falsa) 0 -- 1 SRA1 Conversie 1 Combinare rezultate algoritmi 0 -- 1 SRA2 DA/NU Conversie 2 0 -- 1 SRAn Conversie n

  7. Principiul invariantilor Prelucrare date de intrare Conversie (generare invarianti) Alfabet de invarianti Sir simboluri Atasare costuri

  8. cod0 cod1 cod2 cod3 cod4 cod5 cod6 cod7 cod8 cod9 cod10 cod11 cod12 Definire invarianti (Metoda 1) A B C

  9. Definire invarianti - Metoda 2 (a)

  10. Y Y’ i+2 y3 X’ ri i+1 pi+1 y2 i pi y1 O x1 x2 x3 X Definire invarianti - Metoda 2(b)

  11. Q&A

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