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Timothy Joseph Chainer, Bruce P Kitchens, Stephane Herman Maes, Marco Martens, Joseph Dela Rutledge, Charles Philippe Tresser: Method and apparatus for secure authorization and identification using biometrics without privacy invasion. International Business Machines Corporation, Stephen C Kaufman Esq, McGinn & Gibb PLLC, October 18, 2005: US06957337 (92 worldwide citation)

A method and apparatus for authenticating (or identifying) a subject, includes using one or a plurality of biometric measurements for authentication (or identification) without any sharing of the subject's biometric data with a party requesting authentication.


2
Marco Martens, Charles P Tresser, Robert J von Gutfeld, Chai W Wu: Method and apparatus for depositing ordinary checks from home or office. International Business Machines Corporation, Stephen C Kaufman, Whitham Curtis & Christofferson P C, September 17, 2002: US06450403 (76 worldwide citation)

An apparatus and method allow to deposit ordinary checks from home or office. A special scanner is used to scan an endorsed check for deposit. The check may have printed thereon encryptions in at least selected locations. Scanning the endorsed check with the scanner to generates a digitized version ...


3
Gaurav Aggarwal, Pradeep K Dubey, Ashutosh Kulshreshtha, Marco Martens, Charles P Tresser, Chai W Wu: Semi-fragile watermarks. International Business Machines Corporation, T Rao Coca, Whitham Curtis & Christofferson P C, December 21, 2004: US06834344 (62 worldwide citation)

A method is presented for marking high-quality digital images with a robust and invisible watermark. It requires the mark to survive and remain detectable and authenticatable through all image manipulations that in themselves do not damage the image beyond useability. These manipulations include JPE ...


4
Gordon W Braudaway, Marco Martens, Frederick C Mintzer, James B Shearer, Charles P Tresser, Chai W Wu: Watermarks for customer identification. International Business Machines Corporation, Stephen C Kaufman, Whitham Curtis & Christofferson P C, October 19, 2004: US06807634 (38 worldwide citation)

A digital watermarking method encodes different pairs of watermarks into each of a plurality of images offered for use by a vendor. The watermarks in each pair are derived from two separate collections of watermarks and sufficiently different so as to prevent false positives. Because each pair of wa ...


5
Gordon W Braudaway, Frank P Giordano, Marco Martens, Charles P Tresser, Chai Wah Wu, Charles A Micchelli: Method and apparatus to correct distortion of document copies. International Business Machines Corporation, Whitham Curtis & Christofferson P C, Stephen C Kaufman, October 11, 2005: US06954290 (35 worldwide citation)

Pages of books are copied without distortion due to curvature of the page near the book binding or the distortion in a copied page is corrected using the spacing of equidistant bars on tape strips applied to the top and bottom edges of a page before copying. The tape is preferably transparent and ra ...


6
Ali Afzali Ardakani, Claudius Feger, Marco Martens, Paul Andrew Moskowitz, Alejandro Gabriel Schrott, Charles P Tresser, Robert Jacob von Gutfeld: System for preventing parallel marketing of retail items. International Business Machines Corporation, Stephen C Kaufman Esq, McGinn & Gibb PLLC, June 8, 2004: US06746053 (30 worldwide citation)

A system and method for detecting parallel marketing of an item, include forming at least one of a coating and a code on the item, interrogating the at least one of the coating and said code, and determining from the interrogating whether the item has been transferred from an authorized merchant to ...


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Timothy J Trenary, Joan L Mitchell, Charles A Micchelli, Marco Martens: Shift and/or merge of transformed data along two axes. International Business Machines Corporation, Stephen C Kaufman, Whitham Curtis & Christofferson P C, January 13, 2004: US06678423 (17 worldwide citation)

A one-dimensional algorithm for perform the merging of complementary portions from two independent overlapped images on the same 8×8 grid without the computational expense of conversion to and from the real domain is extended to a two-dimensional procedure. The merging process is performed exclusive ...


9
Roy L Adler, Marco Martens, Joan L Mitchell, Nenad Rijavec, Robert H Risch, Charles P Tresser, Chai W Wu: Constrained digital halftoning. International Business Machines Corporation, Stephen C Kaufman, Whitham Curtis & Christofferson P C, August 5, 2003: US06603573 (6 worldwide citation)

A method and apparatus for halftoning digital images renders color data subject to constraints on the number of colorants which can be deposited on a single pixel and constraints on consecutive pixels rendered with the same color. The color data to be rendered is mapped into a second data set in an ...


10
Joan L Mitchell, Marco Martens, Timothy J Trenary: Hybrid domain processing of multi-dimensional transformed data. International Business Machines Corporation, Stephen C Kaufman, Whitham Curtis & Christofferson P C, January 6, 2004: US06675185 (6 worldwide citation)

A one-dimensional (1D) Inverse Discrete Cosine Transform (IDCT) is applied to an input two-dimensional (2D) transform block along the axis to be modified. Since the one-dimensional IDCT is not performed on the other axis, each block is left in a one-dimensional transform space (called hybrid space). ...



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