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7623734 |
Method and system for automatically inscribing noisy objects in scanned image data within a minimum area rectangle
A minimum area rectangle inscription method and system for automatically generating a minimum area rectangle that inscribes and bounds an approximately rectangular object (or “noisy” object)...
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7620263 |
Anti-clipping method for image sharpness enhancement
An image processing system provides image enhancement and anti-clipping units. The anti-clipping unit for image sharpness enhancement, operates such that any shoot artifacts in the enhanced image...
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7616349 |
Font sharpening for image output device
A method of rendering text in an image forming device comprises providing a user interface to receive a user-defined font sharpening threshold; receiving the user-defined font sharpening threshold...
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7612784 |
Image processor and method, computer program, and recording medium
A plurality of relative orientation detection filters having orientation coefficients that represent a relative orientation of a connected sequence of pixel drawing regions with their pixel values...
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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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7599568 |
Image processing method, apparatus, and program
A blur checking region is determined by selecting a region in which a blur tends to clearly appear in a digital photograph image as the blur checking region. Then, an image of a region...
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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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7589771 |
Image processing apparatus, image processing method, image pickup apparatus, computer program and recording medium
Noises are reduced in an image picked up in natural light without using lighting equipment that affect the picked up image. The present invention provides an image processing apparatus that...
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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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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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7567724 |
Image processing apparatus, image processing method, program of image processing method, and recording medium in which program of image processing method has been recorded
The present invention is applied, for example, to resolution conversion. An edge gradient direction v 1 with the largest gradient of pixel values and an edge direction v 2 orthogonal to the edge...
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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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7536052 |
Corner sharpening of text and line art in a super resolution anti-aliasing image path
A method for sharpening the corners of digital image data within an anti-aliasing image path so as to overcome corner rounding when displayed or printed. The method comprises stepping a window...
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7532767 |
Removing ringing and blocking artifacts from JPEG compressed document images
A method of removing ringing and blocking artifacts from a decompressed digital image. In one method, a background value of the digital image a background region and foreground regions is...
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7526139 |
Image processing for improving character readability of characters disposed on an image
An image processing apparatus includes: a memory that stores a background image and a character image that is separate from the background image and overlaps the background image; a processing...
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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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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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7515317 |
Compensating a zipper image by a K-value
A method of compensating a zipper image by a K-value, and a method of calculating the K-value. Whether the nth primitive pixel of the mth line is obtained by primary line scan is determined. If the...
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7502144 |
Method of preparing bit map
A method of generating a second bit map, improved in first-direction resolution, from a first bit map having a plurality of image-forming pixels arranged two-dimensionally, the method comprising a...
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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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7489361 |
Pixel interpolaton apparatus and method with discrimination of similarity between a discrimination block and a plurality of reference blocks
The invention provides a pixel interpolating method including a step of discriminating, based on an input image signal, a similarity of a discrimination block constituted of plural pixels, and a...
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7489830 |
Methods for generating anti-aliased text and line graphics in compressed document images
A method and system for storing and generating anti-aliased text and lineart data from compressed document image files, using a MRC model that represents the image as an ordered set of mask/image...
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7474788 |
Method and system for enhancing image resolution using a modification vector
An image processing system. An input/output device receives information for pixels in an image corresponding to an object, wherein the information specifies optical properties. A storage device...
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7463291 |
Image data processing method, image data processing apparatus and digital still camera
This invention relates to an image data processing method or the like capable of obtaining a preferable reproduction image based on processed image data even if the image data is short of the unit...
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7454081 |
Method and system for video edge enhancement
A system and method that enhance edges in images by detecting and correcting edges of the components of the image, such as the luma and the chroma components. The luma and the chroma edges may be...
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7447383 |
Directional interpolation method using frequency information and related device
A method for interpolating a pixel within an image is provided. The image has a plurality of pixels arranged in a matrix format. The method includes: detecting if there is an edge in a block of the...
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7440635 |
Method for removing ringing artifacts from locations near dominant edges of an image reconstructed after compression
A method to remove ringing artifacts from locations near dominant edges of an image reconstructed after compression. The image is decomposed into blocks small enough so that each would contain only...
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7433535 |
Enhancing text-like edges in digital images
Systems and methods of enhancing text-like edges in digital images are described. In one aspect, pixels in a block of image pixels are segmented into first and second pixel classes. The pixel block...
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7433536 |
Method for enhancing a digital image while suppressing undershoots and overshoots
A method is provided for enhancing the details of an image while suppressing or preventing shoots that would otherwise occur during a prior art enhancement process. The enhancing method is based on...
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7412091 |
System and method for registration of cubic fisheye hemispherical images
Systems and methods for registering hemispheric images obtained using a fisheye lens for panoramic viewing, relating to spatial alignment and colour balancing of complement half-side images derived...
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7408672 |
Image processing apparatus, image forming apparatus and image forming method
When a print key on a console panel is depressed, a main CPU confirms enlargement/reduction rate information input via the console panel, and then, performs line thinning by setting a line thinning...
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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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7406208 |
Edge enhancement process and system
An edge enhancement system, including a selective edge controller for determining one or more properties of an edge of image data, and for generating one or more weighting factors on the basis of...
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7403310 |
Image processing apparatus and method
An edge amount detector detects an edge amount from RGB signals, and a filter processor synthesizes an output for edge enhancement with an output for smoothing at a proportion based on the detected...
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7397972 |
Image transform method for obtaining expanded image data, image processing apparatus and image display device therefor
It is an object of the present invention to output a clear, expanded image wherein step-shapes or chain-shapes of oblique lines are reduced, distortion is eliminated and no constituent lines of...
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7394570 |
Method and apparatus for eliminating seams in screened image data for repetitive printing
A method of modifying screened image data so that there is no visible seam when the image is printed repeatedly in a circumferential direction, for example using a drum output device. One version...
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7370976 |
Projection type image display device
The device has flexure correcting means for operating to rotate a first eccentric cam provided at a central part of a first side of a reflecting mirror, thereby moving up and down the central part...
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7372471 |
System and method for single-sample virtual coverage anti-aliasing
A graphics system has a mode of operation in which primitive coverage information is generated for real sample locations and virtual sample locations for use in anti-aliasing pixels. An individual...
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7369140 |
System, apparatus and method for subpixel shifting of sample positions to anti-alias computer-generated images
A system, apparatus, and method are disclosed for modifying positions of sample positions for selectably oversampling pixels to anti-alias non-geometric portions of computer-generated images, such...
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7366358 |
Method of and system for generating image signal
An original image including therein a predetermined periodic pattern is read out by sampling the original image at a frequency higher than a desired sampling frequency, and an initial image signal...
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7355744 |
Image processing method for superimposing high-resolution character data on low-resolution image data
600 dpi binary character shape data is created from 600 dpi character data inputted by a PC and written sequentially to a memory. The 600 dpi character data inputted from the PC and 300 dpi image...
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7348991 |
Video/graphics text mode enhancement method for digitally processed data
A text enhancement unit is introduced in order to alleviate the degradation of text characters on computer or television displays. The text enhancement unit uses an enhancement process to regain...
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7348996 |
Method of and system for pixel sampling
A method, system, and article of manufacture for reducing aliasing. A method in accordance with one embodiment sampling a pixel of an image at a plurality of pixel sample points to produce a...
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7346225 |
Demosaicing graphical content
Demosaicing of graphical content is provided. In an illustrative implementation a demosaicing engine executing one or more demosaicing algorithms is employed to operate on graphical content to...
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7333673 |
Method and apparatus for image detail enhancement without zigzagged edge artifact
A method and system for detecting slant edge areas in an image comprising a plurality of pixels, and for preventing zigzagged slant edge artifacts in an image detail enhancement process. Image...
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7333119 |
System and method for virtual coverage anti-aliasing
A graphics system has a mode of operation in which real samples and virtual samples are generated for anti-aliasing pixels. Each virtual sample identifies a set of real samples associated with a...
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7330601 |
Method of describing pattern repetitiveness of image
A method for describing pattern repetitiveness which may exist within an image, is provided. The method of describing pattern repetitiveness of an image comprises: (a) projecting an image on a...
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