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8072465 |
Image processing method and system
The invention provides the image method and apparatus to increase the sharpness of a resized image. The image includes a plurality of pixels with an alpha value and an image data. The method... |
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8049765 |
Color gamut mapping and liquid crystal display device using the same
A color gamut mapping method, which is capable of minimizing a color difference perceived by a person, preventing brightness and contrast from deteriorating, and improving color reproducibility,... |
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8044969 |
Reflectance spectra estimation and colour space conversion using reference reflectance spectra
A Personal Computer (PC) adjusts a color of an image received from a digital camera to produce an estimated reflectance spectrum and/or to convert the color to a new color space. First, an input... |
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8044968 |
Image processing device, color correction table generation device, display device, image processing method, color correction table generation method, color adjustment method for display device, and image processing program
The present invention provides an image processing device, a color correction table generation device, a display device, an image processing method, a color correction table generation method, a... |
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8040357 |
Quotient remainder coverage system and method
Embodiments of the present invention pixel processing system and method provide convenient and efficient processing of pixel information. In one embodiment, quotient-remainder information... |
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8035655 |
System and method for converting RGB to RGBW color using white value extraction
A system and method of converting a red-green-blue (RGB) pixel to a red-green-blue-white (RGBW) pixel by using a W value extraction, the RGB-to-RGBW converting system including: a lookup table... |
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8035654 |
Tuning cell sizes in interpolated lookup tables
Tuning sizes of cells of an interpolated lookup table may be performed based at least in part on an area specific behavior of a quality metric. A weighted input shaper curve may be determined to... |
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8031204 |
Font filter using bilinear interpolation
Systems and methods used for bilinear texture filtering may also be used to perform font filtering. Font data stored as a texture is read from memory in blocks that are coarsely aligned. Font... |
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8009172 |
Graphics processing unit with shared arithmetic logic unit
This disclosure describes a graphics processing unit (GPU) pipeline that uses one or more shared arithmetic logic units (ALUs). In order to facilitate such sharing of ALUs, the stages of the... |
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8004517 |
Methods, apparatus and computer program products that model three-dimensional surface structures
Methods of modeling a three-dimensional surface structure include partitioning three-dimensional object data into regions of a Morse complex and generating a feature skeleton having a plurality of... |
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7999822 |
Color processing apparatus and method thereof
In order to obtain colorimetric data close to the color appearance under an actual viewing condition, a plurality of conversion data for converting colorimetric data measured under the first... |
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7999821 |
Reconfigurable dual texture pipeline with shared texture cache
Circuits, methods, and apparatus that provide texture caches and related circuits that store and retrieve texels in an efficient manner. One such texture circuit can provide a configurable number... |
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7995069 |
Graphics system with embedded frame buffer having reconfigurable pixel formats
A graphics system including a custom graphics and audio processor produces exciting 2D and 3D graphics and surround sound. The system includes a graphics and audio processor including a 3D... |
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7995073 |
System and method for anti-aliasing compound shape vector graphics
Disclosed is a system and method for edge anti-aliasing of vector graphics. The system involves a video driver, which may include commercially available hardware, such as a graphics accelerator... |
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7990389 |
Graphic system comprising a pipelined graphic engine, pipelining method and computer program product
A graphic system includes a pipelined graphic engine for generating image frames for display. The pipelined graphic engine includes a geometric processing stage for performing motion extraction,... |
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7990392 |
White balancing that uses values of white-balanced colors on the visible gamut's boundary
White balancing is performed using a mapping that maps the visible gamut's boundary into itself. A predefined color Win is mapped into a color Wout which is a white color or a color perceived as... |
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7982744 |
Image processing device, image processing method, image processing program, recording medium storing image processing program, and image display device
An image processing device outputs four-color image data to a display section, the display section performing display using display pixels each composed of four sub-pixels, and having an... |
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7978201 |
Method for compensating an image
A method for compensating an image produced by image means for implementing image information takes account of ambient illumination. Luminance of external background illumination around the image... |
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7978193 |
Methods and apparatus for rendering or preparing digital objects or portions thereof for subsequent processing
Methods and apparatus render images of digital objects or prepare digital objects for subsequent processing. The method includes sorting data representative of positions of at least three vertices... |
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7978204 |
Transparency-conserving system, method and computer program product to generate and blend images
A1A system embodying the invention includes a controlling device and a set of rendering devices, with the effect that the controlling device can distribute a set of objects to the rendering... |
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7965300 |
Methods and systems for efficient white balance and gamma control
Elements of the present invention relate to systems and methods for determining device white point and gamma correction curve characteristics. |
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7965301 |
Color conversion preserving global and local image characteristics
A method, system, and computer-readable storage medium are disclosed for color conversion of a digital image. The digital image comprises a source set of pixels. A perceptual distance may be... |
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7965303 |
Image displaying apparatus and method, and image processing apparatus and method
In an image displaying apparatus including a motion compensated rate converting (FRC) portion, deterioration of image quality is prevented in an image having a high-speed region and a low-speed... |
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7956867 |
Color separation multiplexing for real-time multi-dimensional device calibration
In accordance with the disclosure, a method is provided for processing color images for rendering on a color image. The method comprises receiving a plurality of device color separations for an... |
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7956870 |
Systems and methods for providing image rendering using variable rate source sampling
Systems and methods are provided for variable source rate sampling in connection with image rendering, which accumulate and resolve over all samples forward mapped to each pixel bin. In accordance... |
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7956871 |
Color disparity correction in image sensors methods and circuits
A method of displaying a captured image includes using an array of pixels to capture an image. The array of pixels includes a first plurality of pixels of a first color, a second plurality of... |
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7948500 |
Extrapolation of nonresident mipmap data using resident mipmap data
A multi-threaded graphics processor is configured to use to extrapolate low resolution mipmaps stored in physical memory to produce extrapolated texture values while high resolution nonresident... |
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7949498 |
Method, system and computer program product for registration of multi-dimensional datasets
Methods, systems and computer program products for estimating changes in an object represented by first and second multidimensional datasets. The first dataset is a reference dataset and the... |
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7944453 |
Extrapolation texture filtering for nonresident mipmaps
A multi-threaded graphics processor is configured to use to extrapolate low resolution mipmaps stored in physical memory to produce extrapolated texture values while high resolution mipmaps are... |
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7940282 |
System and method for robust multi-frame demosaicing and color super resolution
A method of creating a super-resolved color image from multiple lower-resolution color images is provided by combining a data fidelity penalty term, a spatial luminance penalty term, a spatial... |
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7936359 |
Reconfigurable floating point filter
A reconfigurable floating point data filter may be implemented by configuring a texture filter in response to state data, where the state data specifying at least a data width of input texture... |
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7936949 |
Panchromatic modulation of multispectral imagery
Method and system for creating a fused image from an image pair. The method includes obtaining (204) image data defining a first image of a panchromatic image type and a second image of a... |
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7928990 |
Graphics processing unit with unified vertex cache and shader register file
Techniques are described for processing computerized images with a graphics processing unit (GPU) using a unified vertex cache and shader register file. The techniques include creating a shared... |
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7924290 |
Method and system for processing texture samples with programmable offset positions
A method and system for performing a texture operation with user-specified offset positions are disclosed. Specifically, one embodiment of the present invention sets forth a method, which includes... |
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7924291 |
Display color correcting system
A display color-correcting system is provided. Color response values are measured that go into the vertices of polyhedra in a cubic color output space of the display. A set of corresponding values... |
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7911478 |
Drawing device, drawing method, and drawing program
A display device includes a wavelet transform unit for transforming an original image into wavelet coefficients using a Harr wavelet transform formula, a level obtaining unit for obtaining a... |
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7907147 |
Texture filtering apparatus, texture mapping apparatus, and method and program therefor
A texture filtering apparatus includes a first generating unit configured to generate first texture data having a size designated by a user or satisfying a condition designated by the user by... |
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7903123 |
System for programmable dithering of video data
A programmable system for dithering video data. The system is operable in at least two user-selectable modes which can include a small kernel mode and a large kernel mode. In some embodiments, the... |
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7893937 |
Method for creating a parametric surface symmetric with respect to a given symmetry operation
The invention is directed to a method for creating a parametric surface symmetric with respect to a given symmetry operation (20). The invention method: (i) identifies a mesh pattern (15a); (ii)... |
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7884831 |
Reconfigurable high-performance texture pipeline with advanced filtering
Circuits, methods, and apparatus that provide texture caches and related circuits that store and retrieve texels in a fast and efficient manner. One such texture circuit provides an increased... |
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7885488 |
Image processing apparatus, method and medium
Provided are an image processing apparatus, method and medium, more particularly, an image processing apparatus, method and medium which perform interpolation such that a pixel value in each pixel... |
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7880743 |
Systems and methods for elliptical filtering
An improved attribute determination process allows the sharpness of a surface attribute function to be adjusted on a per-object, per-surface, per-texture, per-function, or other appropriate basis.... |
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7876330 |
Color conversion apparatus, filter processing apparatus and color conversion method
A technique that can contribute to improvement of processing efficiency in performing image processing employing an SIMD command is provided. |
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7869088 |
Methods and apparatus for determining a lookup table size for an AFP link CMR
Methods and apparatus for determining a preferred size for a Link LUT as used in conversion from an input color space defined by an input ICC profile into an output color space defined by an... |
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7864193 |
RGB color conversion palettes
A method for color conversion includes calculating distances between color coordinates in a conversion palette and a color coordinate for a pixel and assigning the pixel a color coordinate of the... |
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7864189 |
Converting color data to a color palette
In one embodiment, the present invention includes a method to convert a pixel tuple in a red, green, blue (RGB) color space having R, G, and B color values into a human recognizable color name... |
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7864191 |
Techniques for efficient dithering
A system comprising a storage including an image file associated with a plurality of pixels and processing logic coupled to the storage. The processing logic is adapted to determine an average of... |
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7852350 |
Graphic antialiasing method and graphic system employing the method
An antialiasing method includes: providing a first fragment; computing a first coverage area representing a portion of the first fragment covered by a first primitive; providing a second fragment... |
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7852347 |
Texture map pixel pairing optimization
The current invention involves new systems and methods for increasing texture filtering performance by reorganizing a texture sampling order used to read and filter texels when anisotropic... |
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7843463 |
System and method for bump mapping setup
One embodiment of the present invention sets forth a technique to setup efficient bump mapping using a geometry shader. This approach uses a vertex shader, a primitive assembly unit, and a... |