Patents Examined by A Blackman
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Patent number: 6847376Abstract: The present invention provides a technique for modeling the tone reproduction curve of a flat panel screen such as an LCD. The technique employs a second order function to predict the luminance output as a function of the input voltage based upon two known input values. This abstract is provided for the sole purpose of complying with the rules requiring an abstract to allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure contained herein. This abstract is submitted with the express understanding that it will not be used to interpret or to limit the scope or the meaning of the claims.Type: GrantFiled: March 15, 2001Date of Patent: January 25, 2005Assignee: LightSurf Technologies, Inc.Inventors: Peter G. Engeldrum, Cornelis P. van Prooijen, Peter Bernard, James E. Deutch, Joel D. Mattox, William J. Hilliard, Thomas L. Strother
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Patent number: 6812933Abstract: A method of accurately rendering algebraically defined shapes that can be used to render alignment targets, or for other purposes, is disclosed. The method can render shapes as a bitmap image for machine vision alignment training, for computer display for human observation, and for computer printout for documentation. The method can aid in rendering targets on the objects to be located by providing input to a computer-aided design (CAD) system, or by directly controlling devices such as laser engravers. The rendering method is fast, extremely accurate, and can handle substantially arbitrary shapes. Targets are defined by a real-valued function of position in the real plane that gives the distance from that position to the nearest point on a target boundary. The function gives distance as a positive value for points inside the figure, and as a negative value for points outside the figure. An edge model is used to map distance to real-valued image intensity.Type: GrantFiled: October 30, 2000Date of Patent: November 2, 2004Assignee: Cognex Technology and InvestmentInventor: William Silver
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Patent number: 6791571Abstract: The present invention is embodied in an absolute and relative coordinate based format description system and method for displaying information, such as text, graphics, audio/visual multimedia, hyperlinks, etc. within a computer environment. Multimedia information including text, graphics, audio media, visual media and hyperlinks, is effectively presented and displayed within the computer environment. The multimedia information is contained within geometrical objects, which can be located anywhere within a working area with absolute or relative positioning and properties. Each object can be independent of other objects (absolute values) or dependent on other objects (relative values).Type: GrantFiled: February 27, 1999Date of Patent: September 14, 2004Assignee: Microsoft CorporationInventor: Steven Dale Lamb
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Patent number: 6788312Abstract: A system, method and computer program product are provided for improving image quality in a graphics pipeline. Initially, a difference is detected between a first pixel of a first frame to be outputted and a corresponding second pixel of a second frame outputted before the first frame. Such difference may be representative of motion which is capable of reducing image quality. A pixel output is then modified if such a difference is detected. This is accomplished utilizing texturing hardware in the graphics pipeline. Thereafter, the pixel output is outputted via a progressive or interlaced display system.Type: GrantFiled: August 6, 2001Date of Patent: September 7, 2004Assignee: Nvidia CorporationInventors: Hassane S. Azar, Douglas Sim Dietrich, Jr., Duncan Andrew Riach, Henry P. Moreton, Douglas H. Rogers
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Patent number: 6753861Abstract: In one embodiment, selecting a screen region on a screen of a monitor of a computer graphics display system to activate in rendering a straight line segment. Steps of aligning a rectangular grid to screen region boundaries, wherein the screen includes a screen space divided into at least one screen region, locating a first and second endpoints of the straight line segment on the screen space, defining a rectangular bounding box in the screen space having vertices at the first and second endpoints, identifying each screen region that at least partially overlaps the bounding box, and selecting each identified screen region through which the straight line segment passes to activate for rendering the straight line segment on the screen are disclosed.Type: GrantFiled: October 18, 2001Date of Patent: June 22, 2004Assignee: Hewlett-Packard Development Company, L.P.Inventors: Thomas L Thrasher, Ronald D. Larson
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Patent number: 6750864Abstract: A GUI is disclosed including a set of visualization routines designed to improve display, visualization and manipulation of multi-dimensional data. Many of the routines combine 2D and 3D renderings with domain selecting criteria and stacking criteria with line segments connecting variable values between records in a given dataset or between corresponding variable values in records of related datasets. The GUI also employs active, persistent and slider variables to probe variable relationships, group relationships and dataset relationships.Type: GrantFiled: November 15, 2000Date of Patent: June 15, 2004Assignee: Polyvista, Inc.Inventor: Mohammed S. Anwar
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Patent number: 6664976Abstract: Digital watermarking technology is used in an image management system. Images are identified by digital watermarks. The images are stored so as to be indexed according to their unique identifiers. In the preferred embodiment, related images are grouped into a set of images through a common watermark identifier. A particular image within the set of images is identified through a hash of the particular image.Type: GrantFiled: March 13, 2002Date of Patent: December 16, 2003Assignee: Digimarc CorporationInventors: Neil E. Lofgren, Geoffrey B. Rhoads
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Patent number: 6597365Abstract: The invention concerns an indicating device for the optical reproduction of graphics, with a data-processing installation for the graphic processing of the information to be represented, and an indicating unit for the visualization of the processed information, wherein[, among others,] the data-processing installation uses antialiasing procedures in the graphical processing. In generating an image, the data-processing installation uses, for the graphical processing of at least two image areas or image objects, different antialiasing procedures, or else represents one of these image areas or one of these image objects without an antialiasing procedure.Type: GrantFiled: September 11, 1998Date of Patent: July 22, 2003Assignee: Valeo Borg Instruments GmbH & Co. KGInventors: Thomas Baecke, Peter Hartmann
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Patent number: 6580436Abstract: A terminal device for mobile communication and a screen display method are provided for appropriately correcting the amount of scrolling so that a display element should not be displayed across the boundary of a display screen when the screen with a plurality of display elements of different types mixed therein is scrolled. A scroll instruction unit outputs a scroll instruction such as one-line vertical scrolling based on the operation inputted by a user through an input unit. A basic amount determination unit determines a basic moving amount according to the scroll instruction. A display element searching unit calculates a provisional display start position based on the basic moving amount and a display start position held in a display element information holding unit, and searches for a display element that is supposed to be displayed across the boundary of the display screen.Type: GrantFiled: May 8, 2000Date of Patent: June 17, 2003Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Toshihiro Hishida, Masakazu Kawano, Hidehiko Shin, Junji Ishigaki
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Patent number: 6529206Abstract: A projected image of a three-dimensional object is displayed in a frame which is a constituent of a moving picture. Shape information concerning the shape of a surface of the three-dimensional object and a characteristic point on the projected image of the surface are designated. The projected image of the surface of the three-dimensional object is transformed into a corresponding two-dimensionally developed expanded image. Rendering is effected on an overall expanded image storage area that stores the entire part of the expanded image of the surface. A predetermined cut-out region is cut out of the overall expanded image storage area, and a retouching work such as an editorial work is effected on the expanded image, based on the content of the cut-out region. The retouched expanded image is then re-transformed back to the projected image on the frame. Three-dimensional retouching such as a three-dimensional editorial work can therefore easily be effected on a two-dimensional moving picture.Type: GrantFiled: July 9, 1999Date of Patent: March 4, 2003Assignee: Sony CorporationInventors: Mitsuharu Ohki, Takashi Totsuka, Rui Yamada
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Patent number: 6515665Abstract: Arbitrary sets of samples may be suppressed from display and analysis. The resulting record may then be saved in its abbreviated form or discarded. Such a record may also be retrieved and arbitrarily partially suppressed a second or third time, making a series of smaller and less complete acquisition histories. Each of these records may be saved with or without suppressed samples and may be later redisplayed reliably showing those samples originally saved.Type: GrantFiled: June 21, 1999Date of Patent: February 4, 2003Assignee: Tektronix, Inc.Inventor: Forest L. Ross