Eastman-kodak Company

Other

Donald R Williams

Victor C Wong

Badhri Narayan

Robert S Jones

Robert V Reisch

Robert B Bayley

Vishwas G Abhyankar

Robert Breslawski

Richard Weil

Robert G Duncan

Gustavo R Paz-Pujalt

Nelson Adrian Blish

Chris W Honsinger

Louis S Horvath

David Wayne Jasinski

Jerry Carmen

Sean C Kelly

Lou Horvath

Nelson G Blish

Louis G Horvath

A method for preserving a digitally signed document () in a digital data preservation system (). A secure preservation request () combines the document () with a preservation signature () that is generated using an identification mark () and the document's associated digital signature (). Once the document () is authenticated by the digital preservation system vendor, both the document () and the identification mark () are recorded onto preservation media () in human-readable form.

Preservation system for digitally created and digitally signed documents

A digital preservation system () for accepting a digital data record as input, for providing a preview of the digital data record on a display screen (), for writing the data record in human-readable form onto a preservation-quality medium (), for storage of the medium (), and for retrieval of the data record from the medium (. The digital preservation system () preserves a data record in human-readable form, along with an associated metadata record, allowing the human-readable preserved data record to be readable in the distant future, independent of specific reading hardware. A preview function allows an operator to specify storage and retrieval characteristics for the data record.

Preview function in a digital data preservation system

A digital preservation system () for accepting a digital data record as input, for providing a preview of the digital data record on a display screen (), for writing the data record in human-readable form onto a preservation-quality medium (), for storage of the medium (), and for retrieval of the data record from the medium (). The digital preservation system () preserves a data record in human-readable form, along with an associated metadata record, allowing the human-readable preserved data record to be readable in the distant future, independent of specific reading hardware. The preview function allows an operator to specify storage and retrieval characteristics for the data record.

A method for decoding data that has been encoded in a monochrome medium utilizing the capability of the medium for grayscale resolution. A document is processed to provide an image in electronic format, in which each pixel has an assigned data value with a given bit depth. A mapping operation is performed for generating a monochrome data word (), preferably having a reduced bit depth. The monochrome data word () can be used to encode multiple data fields (). A printer () then produces a preserved document record () in which the appropriate monochrome data word () determines the grayscale value for each pixel. To decode the stored data, a scanner () is employed to obtain the grayscale value from the preserved document record (). For each pixel, the grayscale value is then decomposed into multiple data fields (), which can then be decoded to provide the information that was originally encoded.

Method of decoding data encoded in a monochrome medium

A method for authenticating a printed or scanned embedded image is disclosed that utilizes a prediction of the effect of a print or scanning process on the embedded message based upon characteristics of the printer or scanner. These values are measured directly at the time of authentication and compared to the predicted. Based on the comparison a decision is made regarding authenticity.

Method of authenication for steganographic signals undergoing degradations

An apparatus and method for printing images from a digital image source onto a photosensitive medium () using one or more two-dimensional light-emissive arrays () such as OLED arrays. Each image pixel has a corresponding light-emitting element which is assigned a variable intensity based on data for that pixel. Imaging optics () direct the light from each light-emitting element onto the photosensitive medium () so that a monochromatic or multicolor image can be formed with a single exposure.

Apparatus and method for printing using a light emissive array

A method for encoding data in a monochrome media utilizing the capability of the media for grayscale resolution. A document is processed to provide an image in electronic format, in which each pixel has an assigned data value with a given bit depth. A mapping operation is performed for generating a monochrome data word (), preferably having a reduced bit depth. The monochrome data word () can be used to encode multiple data fields (). A printer () then produces a preserved document record () in which the appropriate monochrome data word () determines the grayscale value for each pixel.

Method of encoding data in a monochrome media

Images are sharpened and corrected for position dependent blur by providing a sharpening function which is adapted to operate upon signals corresponding to a selected number of pixels, providing a plurality of values which are a function of the position dependent blur; and applying the plurality of values to the sharpening function to modify the sharpening function so that after the modified sharpening function is applied to the image, a sharpened image will be provided which has been corrected for the position dependent blur.

Correction of position dependent blur in a digital image

A method of recording a color image on a monochrome photographic recording medium by the steps of separating the color image into three color components, one luminance component and two chrominance components; and recording the three color components on adjacent areas of the recording medium, the luminance component being recorded on a larger area than either of the two chrominance components.

Method for recording and storing color images

A three-dimensional device for teaching mathematical problems, comprising a stand having a number of open-ended shelves extending therefrom, the surfaces of said shelves being adapted to removably and interchangeably receive slides carrying different digits to set-up various mathematical problems, as conventionally done by paper and pen.

Growing community of inventors

Williamson, NY, United States of America

Donald R Williams