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7616219 |
Drawing style domains
A method, apparatus, and article of manufacture provide the ability to modify an appearance style of a computer generated rendering. A computer generated rendering consisting of vector geometry is...
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7609847 |
Methods and systems for determining object layouts
Systems and methods according to the present invention provide techniques to automatically generate an object layout. Various candidate placement positions are evaluated by computing values...
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7593854 |
Method and system for collecting user-interest information regarding a picture
A user is presented with a picture image either in hard-copy or electronic form. Particular picture features in the image each have associated information that is presented to the user upon the...
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7551183 |
Clipping and scissoring technique
A method is described that involves redefining a primitive surface to create a redefined primitive surface. The redefining involves clipping a first edge of the primitive surface to a second edge...
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7525555 |
Facilitating image-editing operations across multiple perspective planes
One embodiment of the present invention provides a system that facilitates performing an image-editing operation across multiple perspective planes. During operation, the system receives a...
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7468731 |
Automatic resizing of moved attribute elements on a graphical representation of a control object
Enhancements to a strategy object editor for creating and modifying control strategies for process control systems (both distributed and discrete) is described. The improvements include: supporting...
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7423655 |
Revealing clipped portion of image object
Methods and apparatus implementing systems and techniques for revealing a clipped portion of an image. In general, in one implementation, the techniques include presenting a visual representation...
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7310103 |
Pipelined 2D viewport clip circuit
A system and method for performing viewport clipping for multiple viewports using a pipeline. The pixel address coordinates are compared against boundaries of a first viewport window. The results...
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7292242 |
Clipping with addition of vertices to existing primitives
Clipping techniques introduce additional vertices into existing primitives without requiring creation of new primitives. For an input triangle with one vertex on the invisible side of a clipping...
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7187391 |
Projection display apparatus, display method for same and image display apparatus
The present invention provides a technology that enables related portions of multiple pages of images to be displayed simultaneously. A projection display apparatus comprises: an image extraction...
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7158132 |
Method and apparatus for processing primitive data for potential display on a display device
A method and apparatus for processing a primitive (for potential display as a part of a graphical image on a display device) cause attribute data to be received by a graphics processor as a...
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7075532 |
Robust tetrahedralization and triangulation method with applications in VLSI layout design and manufacturability
A tetrahedralization and triangulation method used with the proximity based rounding method to satisfy topological consistency of tetrahedralization with the bounded precision of a digital computer...
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6956584 |
Image processing method, image processing apparatus, image output apparatus and storage medium
An image processing method converts line vectors of an input graphic path and an input clip path into run sets in dot coordinates passed by the line vectors, and generates a region run describing a...
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6940526 |
Image synthesizing apparatus
There is disclosed an image synthesizing apparatus for producing a synthetic image that consists of a background image and at least a main image superimposed on the back ground image. An input...
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6847383 |
System and method for accurately displaying superimposed images
The present invention discloses a system-and method for accurately displaying superimposed images on a display screen of a computer. The method includes storing a base image having a first feature...
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6690385 |
Robust boolean operations in design rule checking
A process for preventing spurious intersections in a polygon due to rounding by using proximity-based rounding. A vertex of a polygon is identified which is located within a unit integer box...
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6686930 |
Technique for accomplishing copy and paste and scan to fit using a standard TWAIN data source
A method for copying and pasting a selected portion of an image from a TWAIN compliant image source includes scanning the selected image portion to fit in a target area of a destination image....
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6683620 |
Relational modeling of trimmed nurbs surfaces
A method and apparatus are provided relationally modeling a trimmed NURBS surface. The relational model may be formed of a NURBS surface object, a trimming curve object that depends on the NURBS...
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6680739 |
Systems and methods for compositing graphical data
A preferred method for producing a composite digital video data stream, which contains data corresponding to an image to be rendered, includes the steps of: receiving multiple digital video data...
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6661425 |
Overlapped image display type information input/output apparatus
An information input/output device having an intuitive operating feeling and improved information viewing and discriminating properties. The device comprises an superposing image extraction unit ...
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6596032 |
Document processing apparatus storing and modifying data using effect data
A document processing apparatus simplifies a user's manipulations for selecting a layout or inserting a part into a selected layout, and enables a user to increase the number of parts the user can...
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6590582 |
Clipping processing method
A method for determining a position at which a polygon to be clipped is situated with respect to a clipping plane to perform clipping processing, includes the steps of selecting a bounding volume...
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6518976 |
Graphics container
A method of setting a graphics container in a graphics device wherein a child application draws graphics within a parent application's graphics context. A parent application begins a graphics...
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6429884 |
Method and apparatus for processing and playback of digital images at a display monitor
In a method and apparatus for presenting and processing an image reproducible at a display monitor, wherein digital image data of an examination volume of a subject are registered with an image...
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6380946 |
Enhancing hardware clipping for bit-packed fonts
The present invention is a method and apparatus for enhancing clipping a bit-packed glyph. A first clip value is determined if it is less than a first maximum value. If the first clip value exceeds...
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6353441 |
Visual annotative clipping in a computer-implemented graphics system
A computer-implemented graphics program performs visual annotative clipping, wherein the graphics objects in a document that include one or more clear zones are identified and collected into a...
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6330001 |
Device and computer-readable record medium for image position adjustment
An image position adjustment device which can let the user adjust alignment between two or more images easily and efficiently includes a feature extraction section, a display image generation...
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5798764 |
Method for determining the intersections of Delaunay partitioned tetrahedra with the boundary of a body to be analyzed
A method is described for determining an intersection of a boundary of a body with each of Delaunay partitioned tetrahedra, the body exhibiting edges and faces. Firstly, a plurality of first...
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5739825 |
Computer generated hatch filling within a vector graphic
In a computer system, a method and an apparatus for generating hatch fills within a contour of a vector graphic. The method of the present invention includes the steps of reading vector graphic...
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5734808 |
Pipeline processing device, clipping processing device, three-dimensional simulator device and pipeline processing method
An objective of this invention is to provide a pipeline processing device that enables the implementation of optimized pipeline processing and moreover has a simple configuration and control...
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5594848 |
Method and apparatus for efficiently determining line segments within a window using iterative halving
A method and apparatus is provided for efficiently determining scissored line segments within a window, without the use of long division calculations. Edges are examined to determine whether an...
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5522020 |
System and method for rapidly determining relative rectangle position
A system and method for determining the interaction between two isothetic rectangles without evaluating all vertices of those rectangles. The relative displacement of the rectangles can be...
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5384903 |
Graphics processing method and apparatus
When clipping a graphics element defined by its element border to a viewing window having a window border within which the graphics element is to be displayed, it is necessary to plot closure lines...
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5283860 |
System and method for displaying trimmed surfaces using bitplane masking
A system and method is provided for displaying trimmed surfaces on a computer graphics system. The present invention tessellates a three-dimensional surface into triangles and determines whether a...
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5249264 |
Image display method and apparatus
An image display apparatus in which respective L-buffers each store a depth value of a position on a front boundary surface of a clipping region, while respective Z-buffers each store a depth value...
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5231696 |
Process and circuitry for implementing plotting of overextending curves inside a display window
The process concerns the plotting of overextending curves inside a limited display window, with cutting-off of the parts of the curve which extend beyond the imposed display window. The goal is to...
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4847608 |
Graphic display device
The invention relates to a graphic display device. The main object of the invention is a screen display device using a combination of directed-beam scanning for drawings of patterns and...
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T987004 |
System for determining the extent of overlap between two polygons
a system for determining the extent of overlap between two primary polygons which are simply connected and have vertices of known coordinate values. Each of the sides in each polygon is first...
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