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7619635 |
Anisotropic texture sampling for odd ratios
Systems and methods for positioning bilinear texture samples to produce an anisotropically filtered texture mapped pixel may improve texture mapping performance and image quality. The bilinear...
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7619631 |
Methods and systems for performing anti-aliasing operations with multiple graphics processing units
A technique for performing an anti-aliasing operation by multiple graphics processing units includes utilizing a first graphics processing unit to generate a first subset of filtered data resulting...
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7619627 |
Image processing apparatus
An image processing apparatus having: a first screen processing section for performing a screen processing to image data; and an outline processing section for determining whether to output or not...
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7612783 |
Advanced anti-aliasing with multiple graphics processing units
A method and apparatus for performing multisampling-based antialiasing in a system that includes first and second graphics processing unit (GPUs) that reduces the amount of data transferred between...
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7609269 |
Assigning color values to pixels based on object structure
Systems and methods are provided for assigning color values to pixels based on object structure. For example, when rendering a writing system symbol on an electronic display, a non-color...
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7605825 |
Fast zoom-adaptable anti-aliasing of lines using a graphics processing unit
A method, system, and computer-readable storage medium are disclosed for performing anti-aliasing operations on lines using a graphics processing unit (GPU). Input comprising a plurality of...
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7598954 |
Adapting and rendering graphic effects
Methods, systems, and computer program products adapt and render a graphic effect associated with text rendered via an output device. A method involves receiving a character associated with a...
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7593023 |
Method and apparatus for the creation of randomized custom image effects
An image capture device includes a processor configured to generate pseudo-random numbers. Optionally, these pseudo-random numbers may use a portion of an image as a seed for the random number...
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7593022 |
Structure-preserving clone brush
The invention provides tools and techniques for clone brushing pixels in an image while accounting for inconsistencies in apparent depth and orientation within the image. The techniques do not...
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7589729 |
Image synthesis by rank-1 lattices
Systems and techniques are described in which rank-1 lattices are used in computerized image processing, in particular in the context of image synthesis. These include systems and techniques for...
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7583397 |
Method for generating a display list
A method and apparatus for generating a display list, for use in rendering a plurality of glyphs, is disclosed. The method creates a display list for storing representations of the glyphs and...
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7580580 |
Method for compression of two-color anti aliased images
A method for compressing two color anti-aliased images takes advantage of the fact that when two color anti-aliased images are present, it is often the case that the two base colors appear in...
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7580041 |
Direct storage of compressed scan converted data
Systems and methods for scan converting data into compressed representations of pixel data are described. In one aspect, shape geometry including shape and/or position attributes of one or more...
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7577294 |
Background maintenance of an image sequence
A system and method for maintaining a background model of an image sequence by processing on multiple spatial scales. These multiple spatial scales include a pixel scale, a regional scale and a...
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7567258 |
Hardware-accelerated anti-aliased vector graphics
In order to render a primitive, the primitive is subdivided into trapezoids and triangles. The subdivision occurs using scanline-aligned lines. These simple scanline-aligned regions are further...
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7564470 |
Compositing images from multiple sources
Systems and methods for compositing an image directly from multiple source image data for reducing system memory footprint and bandwidth and for improving color quality of the image. The image is...
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7554558 |
Mechanism for color-space neutral (video) effects scripting engine
A first command is retrieved from a script containing one or more commands written for a first color space. The first command is associated with zero or more input buffers and zero or more output...
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7554552 |
Method of graphical generation of vectors with dark contours
The field of the invention is that of graphical libraries providing graphical functions used for the drawing of symbologic images. One of the fields of favored application is the generation of...
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7554538 |
Video processing, such as for hidden surface reduction or removal
Embodiments of methods, apparatuses, devices, and/or systems for video processing, such as for hidden surface removal or reduction, are described.
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7545389 |
Encoding ClearType text for use on alpha blended textures
Provided is a method where a background ARGB must not be taken into consideration before a foreground ARGB including TrueType fonts is combined therewith to create a composite image for display on...
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7545387 |
Method and apparatus for sampling on a non-power-of-two pixel grid
The embodiments of the present invention are a method and apparatus to perform anti-aliasing using multi-sampling on a non-power-of-two pixel grid. Using the present invention with 6 sample...
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7542174 |
Image processing method for reducing jaggy effect
An image processing method for reducing jaggy effect, which is applied in an image output device, is provided. Firstly, a continuous tone image is generated, and continuous tone pixels are defined...
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7542049 |
Hardware accelerated anti-aliased primitives using alpha gradients
Systems and methods are provided for providing anti-aliasing by introducing a falloff area around a graphics object to be rendered. The falloff area is shaded, using Gouraud shading or texture...
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7538779 |
Method of rendering pixel images from abstract datasets
A method of rendering pixels from an abstract dataset, by: selecting a collection of sub-pixel locations for a plurality of pixels; sampling dataset properties at the selected sub-pixel locations;...
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7538778 |
Method and system for dynamically allocating a frame buffer for efficient anti-aliasing
A polygon rendering system for receiving geometric data defining a polygon in an image being generated. The polygon rendering system renders the geometric data as pixel data. The pixel data defines...
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7538765 |
Method and apparatus for generating hierarchical depth culling characteristics
A method and apparatus for generating hierarchical depth culling characteristics includes determining a first minimum depth value and a first maximum depth value for a first graphical element. The...
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7532222 |
Anti-aliasing content using opacity blending
An anti-aliasing mechanism. In one aspect, one or more opacities are determined to apply to layers used to render an image. An order in which to render the layers is also determined. This order may...
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7528814 |
Method and device providing enhanced characters
A method of providing enhanced characters suitable for display on substantially low-resolution displays includes scaling-down a first representation of at least one character belonging to a given...
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7526137 |
Image processing apparatus, image processing method, image processing program, and storage medium
A domain block image is extracted from an original image by a domain block extracting section, and the domain block image is classified by a domain block classifying section. A range block...
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7518618 |
Anti-aliased tagging using look-up table edge pixel identification
The teachings provided herein disclose an image processing method for rendering a digital image possessing anti-aliased pixels by selecting a target pixel location within the digital image;...
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7518615 |
Display system having floating point rasterization and floating point framebuffering
A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point...
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7515306 |
Document display method and apparatus
A document display method includes a determination step of determining, in a case that a display magnification of document data to be displayed is reduced, whether or not the display magnification...
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7511717 |
Antialiasing using hybrid supersampling-multisampling
Hybrid sampling of pixels of an image involves generating shading values at multiple shading sample locations and generating depth values at multiple depth sample locations, with the number of...
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7508398 |
Transparent antialiased memory access
A system and method for providing antialiased memory access includes receiving a request to access a memory address. The memory address is examined to determine if the memory address is within a...
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7505841 |
Vision-based occupant classification method and system for controlling airbag deployment in a vehicle restraint system
A vehicle restraint system has a vision-based occupant classification system for control of airbag deployment during a crash scenario. The classification system utilizes two imaging sensors which...
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7502035 |
Apparatus, system, and method for multi-sample pixel coalescing
A graphics processing apparatus coalesces groups of primitives for concurrent processing in a pixel shader. In one implementation, the shader concurrently processes coalesced groups for...
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7495672 |
Low-cost supersampling rasterization
A sampling pattern covering an array of pixels for use in an anti-aliasing system is disclosed where each pixel has a pattern of sample points at the edges of the pixel. Moreover is the sample...
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7489317 |
Method and apparatus for anti-aliasing for video applications
Antialiasing method and apparatus for video applications. A method for antialiasing a video graphic. A determination is first made as to the relative position of a desired pixel being within the...
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7479962 |
System and method for generating pixel values for pixels in an image using strictly deterministic methodologies for generating sample points
A computer graphics system generates pixel values for pixels in an image of objects in a scene, using strictly-deterministic low-discrepancy sequences, illustratively Halton sequences, as sample...
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7463789 |
Image-processing device, its method, its program and recording medium storing the program
An image-processing device ( 130 ) includes a data access section ( 131 ) that reads composite image data ( 10 ) having one data structure in which a plurality of image data are combined, and a...
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7460132 |
System and method for motion adaptive anti-aliasing
System and method for processing image data containing motion for display on a display device. A preferred embodiment comprises applying a filter to an input image, determining a presence of motion...
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7450136 |
Apparatus and system for generating texture derivatives for pixel processing
A pixel processing unit reduces the number of pixels exterior to a primitive that must be rendered solely for the purpose of generating texture derivative information required to shade pixels...
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7446780 |
Temporal antialiasing in a multisampling graphics pipeline
Multisampling techniques provide temporal as well as spatial antialiasing. Coverage for a primitive is be determined at multiple sample locations for a pixel. In one embodiment, coverage is...
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7440037 |
Anti-aliasing characters for improved display on an interlaced television monitor
Anti-aliasing characters for improved display on an interlaced television monitor is described. In one implementation, an expanded character is generated by increasing a character's original...
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7436413 |
Image data processing apparatus and image display apparatus
The invention provides an image data processing apparatus including a memory for storing plural values indicating plural brightnesses when a predetermined display element is driven based on...
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7432931 |
Apparatus and method for processing image signal and image display apparatus utilizing the same
An apparatus for processing an image signal prevents burn-in of display devices such as a PDP and an LCD. A number-of-pixels conversion section generates pixel data located at interpolation...
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7412106 |
Methods for locating and decoding distorted two-dimensional matrix symbols
A method is presented for processing an image of a two-dimensional (2D) matrix symbol having a plurality of data modules and a discontinuous finder pattern, each distorted by “donut effects”. A...
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7411593 |
Image rotation with substantially no aliasing error
A system, method and program product for rotating a first image in an image buffer such that the resulting, rotated image is substantially free of an aliasing error, i.e., broken lines, stair...
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7408559 |
Upscaling of anti-aliased graphical elements
Upscaling of an anti-aliased graphical element in a raster image includes generating a grid of pixels. Resolution of the grid is higher than resolution of the graphical element. Each pixel in the...
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7397474 |
Restricting smoothing operations on a three-dimensional geometrical primitive according to a surface normal
Smoothing operations on a three-dimensional geometrical primitive, such as a mesh, are restricted by filtering the set of smoothing vectors to apply a user-selected restriction to the set of...
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