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7612776 |
Functions acting on arbitrary geometric paths
A facility for evaluating a spreadsheet cell is described. The facility reads a function call stored in a spreadsheet cell. The function call specifies an arbitrary geometric path and an operation...
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7608844 |
Charged particle beam drawing apparatus
In the present invention, vector data developing unit, ends separating unit, overlap removing unit and bitmapped data generating unit are sequentially connected in order to make pipeline...
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7606421 |
Data extraction from temporal image data
In a method and system to extract data from handwritten information when the information is captured as sequences of strokes, vectors, or marks, temporal data is stored within the color or...
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7589731 |
Graphics systems and methods
Embodiments of graphics systems and methods are disclosed. In one method embodiment, a graphics method comprises receiving information about a line primitive and segmenting the line primitive with...
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7554548 |
Gamma curve generation method and device for the same
The gamma curve generation method of the invention selects each set of three consecutive control points among multiple consecutive control points, forms a cubic curve passing through the selected...
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7551174 |
Method and apparatus for triangle rasterization with clipping and wire-frame mode support
A low-cost high-speed programmable rasterizer accepting an input set of functionals representing a triangle, clipping planes and a scissoring box, and producing multiple spans per clock cycle as...
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7551173 |
Pixel accurate edges for scanline rendering system
A method ( 2500 ) of converting a monotonic curve into edge information is disclosed. A method ( 2800 A) of determining an integer edge crossing value, Xi, for a new edge crossed by a scanline...
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7528844 |
Interpolation of plotted points between sample values
A video display for digitized video data interpolates values between time samples, such as luminance over a horizontal line or over an average of all the horizontal lines in a video signal, so as...
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7502685 |
Vehicle navigation apparatus and method with traveling direction indication at guidance intersection
A vehicle navigation apparatus is provided which can reliably guide a vehicle along a guidance route when the vehicle approaches an intersection of interest at which it is to make a turn even if...
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7495670 |
Shapes comprising repeated graphic elements
Briefly, in accordance with one embodiment of the invention, a shape may comprise one or more repeated graphic elements.
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7489314 |
Drawing device, drawing method, and storage medium
A drawing device which outputs an image datum based on a drawing mode and a command to draw, includes a coordinate conversion unit which converts coordinates in the command to draw in accordance...
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7471295 |
Multi-variate data and related presentation and analysis
A recursively partitioned/nested geometric structure is employed to graphically present and/or facilitate analysis of multi-variate data, including functions of multi-dimensional variables. Visual...
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7463262 |
Image processing apparatus and method
A plurality of position data are input, which indicate the position of an observation target defined in a three-dimensional space, on its three-dimensional image, which is viewed from a...
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7450763 |
Reshaping freehand drawn lines and shapes in an electronic document
The invention improves the appearance of freehand drawn lines and shapes in an electronic document by first recognizing freehand drawn lines and shapes and generating a line made up of sequential...
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7443397 |
Method and apparatus for nonlinear coding with 1st order power functions in digital imaging system
This invention discloses a transforming apparatus, according to a transforming curve, for transforming a first image to a second image. The first image includes a plurality of pixels. The...
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7439980 |
Image processing method and apparatus
In image processing adapted to a display apparatus using a plurality of line buffers for storing data regarding dots aligned on scanning lines on the screen, when a line having a prescribed width...
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7439978 |
Information processing system, information processing method, storage medium, and program
An information processing system includes a display unit for displaying an image; a drawing unit for drawing a first straight line and a second straight line on the image displayed by the display...
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7439977 |
Method of displaying three-dimensional vector orientations on a two-dimensional surface
A method for generating, displaying and manipulating the orientation of three-dimensional vectors on a two-dimensional surface for visualization, statistical analysis and correlation. The method...
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7426455 |
Optimal boolean set operation generation among polygon-represented regions
Performing Boolean operations among two regions; regions and results represented as vector tuples. Establish indexing cells about regions and classify by type of interaction between regions, e.g.,...
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7369129 |
Automated user interface testing
Methods and apparatus, including computer program products, implementing techniques for testing user interfaces of software application. The techniques include interacting with a user to identify...
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7362325 |
2D/3D line rendering using 3D rasterization algorithms
This patent discloses a system and method to compile a set of display points that define a two dimensional representation of a straight line graphic object using three dimensional rasterization...
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7327366 |
Navigation apparatus, map data distribution apparatus, map data distribution system and map display method
A navigation apparatus includes a route searching unit that searches for a plurality of routes from a departure point to a destination and a map display control unit that displays a map of the...
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7307632 |
Font emulation
A method and apparatus for Font Emulation are disclosed. In one embodiment, the method comprises stripping a first portion from a first font to emulate a second font upon request for such a second...
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7301540 |
System and method for rasterization through approximation
A system and method for rasterization an image on a display through approximation, wherein the image is decomposed into a plurality of convex polygons, each convex polygon being defined by a...
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7292245 |
Method and apparatus for time series graph display
A novel technique for annotating a time series graph with embedded tick marks and grid lines and method for selecting and placing such tick marks and lines within such graph. This method allows for...
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7260547 |
System for aiding to make medical care schedule and/or record, program storage device and computer data signal embodied in carrier wave
A system for aiding to make a medical care schedule and/or record is provided with: a plurality of files for respectively including medical care data in correlation with execution timing data; a...
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7239312 |
Method, apparatus and program for processing a three-dimensional image
An image processing apparatus and an image processing method reconstruct a three-dimensional image of an object which expresses a texture, glossiness, and three-dimensionality with realism. The...
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7227556 |
High quality antialiased lines with dual sampling pattern
Antialiased lines are classified according to their orientation, e.g. as x-major or y-major depending whether the x or y extent of the line is larger. Different subpixel sampling patterns are used...
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7194394 |
Method and apparatus for detecting and correcting inaccuracies in curve-fitted models
A technique for detecting and correcting inaccuracies in curve-fitted models. Humps and dips in a curve-fitted model are identified. An analysis is performed on the humps and dips to determine if...
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7191028 |
Electrically controlled apparatus
An electronically controlled apparatus of the present invention includes: an input-output section, which electronically processes and outputs input data; a control section, which electronically...
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7190375 |
Rendering ink strokes of variable width and angle
Apparatus and methods for dynamically rendering digital ink strokes of arbitrary stroke width while a user is drawing the ink strokes. An ink rendering system may receive sampled pen tip positions...
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7187381 |
Apparatus for drawing dotted lines having natural appearance
An apparatus includes a memory which stores therein data of a dotted-line pattern, a unit which identifies successive pixels on a straight line to be drawn with respect to each line of a plurality...
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7164430 |
Anti-aliasing line pixel coverage calculation using programmable shader
A system and method for rendering a non-zero thickness line on a pixel-limited output device such that aliasing of the line is reduced. The edges defining a line segment are expanded to insure that...
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7109992 |
Apparatus for generating efficient wide-line ends
A graphics processing circuit includes a line end generation circuit operative to generate line aligned end cap data in response to primitive data; and a rasterizer, coupled to the line end...
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7106330 |
Drawing comparison apparatus
After thinning an input image (drawing), a primitive is extracted. First, a rough primitive is extracted, and then the rough primitive becomes a primitive in a merge-split process according to a...
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7098926 |
Trapping area creating method, trapping area creating apparatus, and trapping area creating program storage medium
A trapping area creating method in which an image represented in form of a combination of polygons is divided into a plurality of image areas by a straight line passing through vertexes of the...
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7098917 |
Generating visual art
A method of generating visual art includes providing a fractal object, which includes an initiator element, a set of generator elements and a set of parameters. The set of parameters are used to...
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7088361 |
Raycasting perspective views
A method, an apparatus, and a computer program product are disclosed for rendering a digital image using raytracing in a three-dimensional space. A 3-D digital differential analyzer (DDA)...
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7061490 |
Multi-variate data and related presentation and analysis
A recursively partitioned/nested geometric structure is employed to graphically present and/or facilitate analysis of multi-variate data, including functions of multi-dimensional variables. Visual...
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7053914 |
Graphic editing device, graphic editing method and storage medium for storing a program
A flowchart containing objects A–C is displayed on a computer screen. Object B is subordinate to object A and object C is subordinate to object B. If a user selects object B, object B is deleted,...
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7042453 |
Apparatus and method for processing three-dimensional graphic images
In an apparatus for processing three-dimensional graphic images, a first input part inputs a first two-dimensional graphic image and a second input part inputs a second two-dimensional graphic...
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7023441 |
Shape descriptor extracting method
A method for extracting from an image a shape descriptor which describes shape features of the image is provided. The shape descriptor extracting method includes: (a) extracting a skeleton from an...
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7012601 |
Line drawing for a volumetric display
A method for rapid rendering of a desired line in a volumetric display having a rotatable screen includes stepping the rotatable screen through a sequence of angular positions and, at each angular...
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6999616 |
Interpretation of colored documents
Automatic interpretation processing operations, such as character recognition, require a binary image of information-bearing image elements and a background. Digital image data produced by scanning...
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6992670 |
Active region determination for line generation in regionalized rasterizer displays
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...
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6947057 |
Rendering lines with sample weighting
A graphics system and method for displaying lines on a display device. The system may comprise a sample buffer, a rendering unit and a sample-to-pixel calculation unit. The rendering unit may (a)...
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6933939 |
Method for correcting an adaptively sampled distance field
A method corrects an adaptively sampled distance field of a model. The adaptively sampled distance field includes a multiple of cells. Each cell stores distance values at vertices of the cell. The...
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6930686 |
Method and apparatus for drawing thick graphic primitives
A graphics system and method with which thick graphic primitives are efficiently drawn by minimizing dependence on drawing algorithms that require appreciable setup time. The method contemplates...
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6928189 |
Automatic extraction of linear features from digital imagery
A method and system for the extraction of linear features from digital imagery is described herein. The proposed methodology is based on the tridimensional Radon transformation and on the...
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6911981 |
Method, apparatus, and article of manufacture for displaying a line at an angle relative to an existing entity
A method, apparatus, article of manufacture, for implementing a relative polar angle snap tool. The relative polar angle snap tool allows the user to define lines and shapes that are at...
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