1
Geoffrey B Rhoads: Steganographic system. Digimarc Corporation, Klarquist Sparkman Campbell Leigh & Whinston, December 15, 1998: US05850481 (329 worldwide citation)

An identification code signal is impressed on a carrier to be identified (such as an electronic data signal or a physical medium) in a manner that permits the identification signal later to be discerned and the carrier thereby identified. The method and apparatus are characterized by robustness desp ...


2
Hisatoyo Kato, Masamitsu Ishida, Seiji Matsumoto: Method and apparatus for processing a radiation image. Fuji Photo Film, Sughrue Mion Zinn Macpeak and Seas, February 9, 1982: US04315318 (300 worldwide citation)

A method and apparatus for processing a radiation image in a radiation image recording system in which a stimulable phosphor is stimulated with a scanning stimulating beam and the light emitted from the stimulable phosphor upon stimulation by the stimulating beam is detected by a detector which gene ...


3
Sudhir Muniswamy Gowda, Hyun Jong Shin, Hon Sum Philip Wong, Peter Hong Xiao, Jungwook Yang: Correlated double sampling with up/down counter. International Business Machines Corporation, March 2, 1999: US05877715 (210 worldwide citation)

Disclosed is a circuit for performing correlated double sampling entirely in the digital domain. In an exemplary embodiment, the circuit includes a plurality of comparators, each having a first input coupled to an associated data line for receiving first and second signals in first and second sampli ...


4
Jingquan Li, Stephen Patrick Deloge: Method and system operative to process color image data. Hand Held Products, Additon Higgins & Pendleton P A, September 30, 2014: US08849019 (201 worldwide citation)

A method and system operative to process color image data are disclosed. In one embodiment, the method can comprise the steps of receiving color image data, determining the color ranges to be applied to the color image data, assigning each of the pixel positions in the image data a color range, assi ...


5
Masamitsu Ishida, Hisatoyo Kato, Seiji Matsumoto: Method of and apparatus for processing a radiation image. Fuji Photo Film, Gerald J Ferguson Jr, Joseph J Baker, June 7, 1983: US04387428 (193 worldwide citation)

A method of and apparatus for processing a radiation image in a radiation image recording system in which a stimulable phosphor is stimulated with a scanning stimulating ray and the light emitted from the stimulable phosphor upon stimulation by the stimulating ray is detected by a detector which giv ...


6
Richard N Fall, Nicholas J Foskett, Davin C Wong: Method and apparatus for compressing and decompressing data prior to display. Adobe Systems Incorporated, Fish & Richardson P C, November 23, 1999: US05991515 (176 worldwide citation)

A method and apparatus for compressing and decompressing display data including methods for predicting compression results and correcting compression ratios prior to the compression of object data. The compressed objects are then decompressed using a related decompression mechanism and sent directly ...


7
Chung Chi Li, Ynjiun P Wang: Apparatus for processing human-readable and machine-readable documents. Symbol Technologies, April 9, 1996: US05506697 (166 worldwide citation)

An original document of one or more pages containing human-readable printed information is encoded in one or more two-dimensional bar code symbols and transmitted by facsimile to a remote site where a facsimile of the symbols is machine read, decoded and printed to provide an accurate reproduction o ...


8
Thiow Keng Tan, Sheng Mei Shen: Method and apparatus for removing noise in still and moving pictures. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, February 13, 2001: US06188799 (159 worldwide citation)

A method for filtering a blocky noise, as well as ring and mosquito noise, from still and moving pictures is disclosed. The method has the steps for locating a block boundary in the picture and selecting pixels on one side of the block boundary as a first group and pixels on the other side of the bl ...


9
Allen L Frazier, James S Pierson: Resolution transforming raster-based imaging system. DP Tek, Poms Smith Lande & Rose, July 28, 1992: US05134495 (156 worldwide citation)

A conventional display device, such as a marking engine for a laser printer or digital copier, having a nominal resolution (where the energy source for the display device can be selectively activated) and a predetermined threshold level for producing output image dots, is modified to a different (hi ...


10
James C Stoffel: Automatic multimode continuous halftone line copy reproduction. Xerox Corporation, March 18, 1980: US04194221 (156 worldwide citation)

An image data handling system to automatically detect and segregate from a stream of image pixels high frequency half-tone image input, continuous tone image input, low frequency half-tone image input, and line image input which may be present in the pixel stream. The image pixels are first autocorr ...