Validating newly compiled units no source code available type Mature house wives xxx

A second data stream D2 for the movement of said writing device with all six degrees of freedom as functions of time (6-dimensional tracking).A third data stream D3 for the contact of said writing device with said writing surface, at said writing tip, as a function of time, and a fourth data stream D4 for a clock function.A newly registered personal signature that is presented for validation is compared with the stored authenticated personal signature in the database.1.A method for registration, analysis and validation of a hand-written personal signature, characterized by registering the signature on a writing surface substantially defined in an x,y plane by means of a writing device which at one end has provided a writing tip for contact with said writing surface and further comprises a multiaxis movement detector detecting the movement of said writing device as function of time and with six degrees of freedom, said six degrees of freedom given by a linear movement along an x axis, a y axis and a z axis respectively, as well as by rotation about said x axis, said y axis and said z axis respectively, generating on basis of the detected movement of said writing device respectively a first data stream D1 for the movement of said writing device with only two degrees of freedom as function of time (2-dimensional tracking), said two degrees of freedom given by the linear movement along said x axis and the linear movement along said y axis, a second data stream D2 for the movement of said writing device with all six degrees of freedom as function of time (6-dimensional tracking), a third data stream D3 for the contact of said writing device with the writing surface at said writing tip as function of time and a fourth data stream D4 for a clock function, said clock function providing a time scale whereto the detection of the movement and the three first data streams D1, D2, D3 are referred, transmitting said data streams D1, D2, D3, D4 to a data processing device connected with said writing device for analysis and storage of the registered signature in a database, transforming said data streams D1, D2, D3, D4 in said data processing device into predetermined formats which represent a personal signature and are stored in said database contained in said data processing device, said database comprising a data file for each predetermined format, and validating a newly registered personal signature by comparison with an authenticated corresponding personal signature already stored in the database.2.The invention relates to a method for registration, analysis and validation of a hand-written personal signature.The invention also relates to methods for compilation of a database MDB with authenticated hand-written personal signatures which are used for validation of the authenticity of newly registered corresponding personal signatures, wherein a registration of a signature is executed a repeated number of times on a writing surface substantially defined in an x, y plane by means of a writing device which at one end has provided a writing tip for contact with said writing surface and further comprises a multi-axis movement detector, wherein the registration comprises steps for detecting the movement of said writing device as a function of time and with six degrees of freedom.

The multiaxis movement detector detects the movement of said writing device as a function of time and with six degrees of freedom.

Finally, the invention relates to an electronic writing device, particularly an electronic pen for use as stated above, wherein the writing device at a first end has provided a writing tip for writing on a writing surface.

In the prior art there are known methods for verification and validation of personal hand-written signatures by using for instance pattern recognition in two dimensions. 4,040,012 (Crane & al.) discloses for instance a method and apparatus wherein the identification of a test signature is obtained by comparing the test signature with a formerly registered and verified signature.

A method for registration, analysis and validation of a hand-written personal signature characterized by registering the signature on a writing surface substantially defined in an x,y plane by means of a writing device which, at one end, has provided a writing tip for contact with said writing surface and further comprises a multiaxis movement detector, detecting the movement of said writing device as a function of time and with six degrees of freedom, said six degrees of freedom given by a linear movement along an x-axis, a y-axis and a z-axis, respectively, as well as by rotation about said x-axis, said y-axis and said z-axis, respectively, generating on the basis of the detected movement of said writing device, respectively, a first data stream D1 for the movement of said writing device with only two degrees of freedom as a function of time (2-dimensional tracking), said two degrees of freedom given by the linear movement along said x-axis and the linear movement along said V-axis, a second data stream D2 for the movement of said writing device with all six degrees of freedom as a function of time (6-dimensional tracking), a third data stream D3 for the contact of said writing device with the writing surface at said writing tip as a function of time and a fourth data stream D4 for a clock function, said clock function providing a time scale whereto the detection of the movement and the three first data streams D1, D2, D3 are referred, transmitting said data streams D1, D2, D3, D4 to a data processing device connected with said writing device for analysis and storage of the registered signature in a database, transforming said data streams D1, D2, D3, D4 in said data processing device into predetermined formats which represent a personal signature and are stored in said database contained in said data processing device, said database comprising a data file for each predetermined format, and validating a newly registered personal signature by comparison with an authenticated corresponding personal signature already stored in the database, said data processing device contains a main database MDB for storage of registered signatures in predetermined data formats and compiled by registering the signature a repeated number of times on a writing surface substantially defined in an x,y plane by means of a writing device which, at one end, has provided a writing tip for contact with said writing surface and further comprises a multiaxis movement detector, detecting the movement of said writing device as a function of time and with six degrees of freedom, said six degrees of freedom being given by a linear movement along an x-axis, a y-axis and a z-axis, respectively, as well as by rotation about said x-axis, said y-axis and said z-axis, respectively, generating on the basis of the detected movement of said writing device, respectively, a first data stream D1 for the movement for said writing device with only two degrees of freedom as a function of time (2-dimensional tracking), said two degrees of freedom being given by the linear movement along said x-axis and the linear movement along said y-axis, a second data stream D2 for the movement of said writing device with all six degrees of freedom as a function of time (6-dimensional tracking), a third data stream D3 for the contact of said writing device with said writing surface at said writing tip as a function of time, and a fourth data stream D4 for a clock function, said clock function providing a time scale whereto the detection of the movement and the three first data streams D1, D2, D3 are referred, transmitting said data streams D1, D2, D3, D4 to a data processing device connected with said writing device, transforming data from said first data stream D1 into a 2-dimensional vector format VF1 which is stored in a first database file DF-A, transforming data from said second data stream into a 3-dimensional vector format VF2 which is stored in a second database file DF-B, transforming data from said third data stream D3 into a table format TF1 which is stored in a third database file DF-C, transforming data from said fourth data stream D4 into a start/stop point of time format and a time duration format TF2 which are stored in a fourth database file DF-D, said database files DF-A, DF-B, DF-C and DF-D being contained in the database MDB which is stored in said data processing device and a possible further central data processing device, generating said 2-dimensional vector format VF1, said 3-dimensional vector format VF2, said table format TF1 and said start/stop point of time format and time duration format TF2 as respective average formats with an upper and lower tolerance limit, said upper and lower tolerance limits being determined on the basis of scatter values for repeated registrations of the personal signature and related to said respective average format, and for each format as a function of time generating a scatter function on the basis of scatter values for the format, said average formats with the accompanying tolerance limits and scatter functions being stored in said database files DF-A, DF-B, DF-C and DF-D, respectively, and wherein the validation takes place by comparing a newly registered personal signature with a representation of an authorized corresponding personal signature already stored in said database MDB in database files DF-A, DF-B, DF-C and DF-D, characterized by the method comprising transforming data from the first data stream D1 into a 2-dimensional vector format VF1* which is stored in a first data file DF-1, optionally further transforming data from the second data stream D2 into a virtual 2-dimensional signature on vector format VF3* which is also stored in said first data file DF-1, transforming data from the second data stream D2 into a 3-dimensional vector format VF-2* which is stored in a second data file DF-2, transforming data from the third data stream D3 into a table format VF1* which is stored in a third data file DF-3, transforming data from the fourth data stream DF-4 into a start/stop point of time format and time duration format TF2* which is stored in a fourth data file DF-4 and thereafter comparing data of said data file DF-1 with data of said database file DF-A, said comparison constituting a first validation level VL1, comparing data of said data file DF-2 with data of said database file DF-B, said comparison constituting a second validation level VL2, comparing data of said data file DF-3 with data of said database file DF-C, said comparison constituting a third validation level VL3, comparing the data of said data file DF-4 with data of said database file DF-D, said comparison constituting a fourth validation level VL4, generating a scatter function for each of the data formats stored in one of said data files DF-1, DF-2, DF-3, DF-4 on the basis of the result of comparisons on the respective assigned validation levels VL1, VL2, VL3, VL4, comparing said scatter function for one or more of the data formats stored in said data files DF-1, DF-2, DF-3, DF-4 with a scatter function for average data formats stored in the respective database files DF-A, DF-B, DF-C and DF-D and which represent the stored and authorized corresponding signature, said comparison constituting a fifth validation level VL5, and validating the signature as authentic if and only if the result of the comparison performed on one or more of said validation levels VL1, VL2, VL3, VL4, VL5 for the four first validation levels VL1, VL2, VL3, VL4 without exact match between the data formats in the data file and the database file falls within a predetermined upper and lower tolerance limit of each of these validation levels and the result of the comparison on the fifth validation level VL5 provides a positive correlation for this validation level above a given lower limit of the correlation value.12.

A method according to claim 11, characterized by the data from the second data stream D2 being transformed into the virtual 2-dimensional signature by replaying the data as an animation sequence and by the signature being registered as written by a 2-dimensional virtual writing device.13.