Gina N LaRossa, Hsien Che Lee: Digital image processing method for edge shaping. Eastman Kodak Company, David M Woods, August 26, 2003: US06611627 (57 worldwide citation)

A digital image processing method, includes the steps of: transforming the digital image using an edge sensitive wavelet transform to produce a plurality of wavelet coefficients at various resolutions and a residual image; modifying the wavelet coefficients as a function of the image gradient and it ...

Yoshio Yui: Digital image processing by hardware using cubic convolution interpolation. NEC Corporation, Ostrolenk Faber Gerb & Soffen, March 25, 1986: US04578812 (55 worldwide citation)

Disclosed is hardware for providing pixel data by interpolation. In the hardware previously memorized weight factors corresponding to the particular site are retrieved under the influence of the outputs of addressing circuits, multiplied with the original pixel data corresponding to the site prior t ...

Arthur T Wolstenholme, Robert F Burton, Ignazio Barraco, Eddie Kin Kwok Chu: Digital image processing system and method. Crosfield Electronics, Sughrue Mion Zinn Macpeak & Seas, March 22, 1994: US05297256 (54 worldwide citation)

A digital image processing system comprises a processor at a central, first site; and digital image processing equipment such as an analyze scanner and an expose scanner at a second site remote from the first site. The processor and the digital image processing equipment are connectable and are adap ...

Sherman H Tsao: Digital image processing algorithm for output devices with discrete halftone gray scale capability. Hubbard Thurman Turner & Tucker, March 17, 1987: US04651287 (54 worldwide citation)

A method and apparatus relating to image reproduction by displays and printers capable of different dot size or different spot intensity generations. The reproduction is based upon scanned image data including gray scale values individually representing the image intensity at each picture element lo ...

Takao Toi: Image processing system. NEC Corporation, Sughrue Mion PLLC, November 28, 2006: US07142731 (54 worldwide citation)

An image processing system whose circuit size is small, and whose dissipation power is small is provided. The image processing system executes digital image processing of an interval of active pixel in the condition that a first internal logic description is written in a field programmable gate arra ...

Jeffrey Weisman, Stanley Zietz: Echocardiography workstation. Echovision, Woodcock Washburn, January 6, 2004: US06674879 (54 worldwide citation)

A digital image processing system for enhancing the image quality and diagnostic capabilities of conventional medical diagnostic ultrasound imaging systems and, more particularly, to an echocardiography workstation (

Eric C Anderson, Gary Chin: Modular digital image processing via an image processing chain with modifiable parameter controls. Apple Computer, Sawyer & Associates, November 23, 1999: US05991465 (53 worldwide citation)

Aspects for allowing variably controlled alteration of image processing of digital image data in a digital image capture device include forming an image processing chain with two or more image processors to process digital image data, and providing one or more parametric controls within each of the ...

Dennis L Venable, Patrick A Fleckenstein Jr, William A Fuss: Period-based bit conversion method and apparatus for digital image processing. Xerox Corporation, Fay Sharpe Fagan Minnich & McKee, September 18, 2001: US06292168 (53 worldwide citation)

A period-based method for converting digital image data for a plurality of pixels from a first bit depth to a second bit depth includes receiving an input scanline of an arbitrary length comprising digital image data for a plurality of input image pixels. Each of the input image pixels is defined at ...

William K Pratt, Jean Francois Abramatic, Olivier Faugeras: Method and apparatus for improved digital image processing. Vicom Systems, Lyon & Lyon, May 18, 1982: US04330833 (53 worldwide citation)

An improved method and apparatus for digital image processing is disclosed which permits greater efficiency in implementation of digital filtering techniques. In one implementation specially selected small generating kernels, or masks, are sequentially convolved with a data array of pixels represent ...

Robert A Ulichney: System for producing dithered images from continuous-tone image data. Digital Equipment Corporation, Fish & Richardson, September 4, 1990: US04955065 (52 worldwide citation)

A digital image processing system for converting continuous tone pixel values representing an image into halftone or dithered pixel values, with the dithered pixel values representing each pixel having fewer bits than are used to represent each pixel in the continuous tone image. The continuous tone ...

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