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Patent No. 6650315

Mouse device with a built-in printer

A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.

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Class 345/616 - Error diffusion


Subclass of Class 345 - Computer graphics processing and selective visual display systems
Definition: Subject matter where error obtained while calculating a
No. of patents: 49
Last issue date: 02/14/2012


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NumberTitleIssue Date
8115781Systems and methods of image processing including removal of discontinuous ramp and/or smoothing features
Systems and methods are disclosed for processing image data to provide adjusted pixel information that achieves smoothed output discontinuities. In one exemplary embodiment, there is provided a method of processing image data including analyzing first display inform...
02/14/2012
7440139Systems and methods for controlling a tone reproduction curve using error diffusion
A method of adjusting a TRC of an image is provided. The method involves receiving an image at an input resolution, resampling the image to a processing resolution if the imput resolution and the processing resolution are not same, processing the image using rank-or...
10/21/2008
7420708Method for processing color image data employing a stamp field
A method for processing image data that employs a stamp field that contains data representing a distance metric for use with a variety of error diffusion operations. The distance metric possesses distance-order preservation permitting the distance from a previous do...
09/02/2008
7420571Method for processing a gray level in a plasma display panel and apparatus using the same
A system and method for processing a gray level in a display device performs a random error diffusion operation on the video data using a first random coefficient value and a random dithering operation on the error-diffused video data using a second random coefficie...
09/02/2008
7418152Method and device of image correction
An Image correction device for detecting an image area having movement according to an image signal, and providing the image signal with image correction and switching correction methods according to a control signal. The image correction device further detects the ...
08/26/2008
7369276Multi-level halftoning providing improved texture uniformity
A method for multi-level halftoning an input digital image to form an output digital image which includes a multi-level error diffusion halftoning process incorporating periodic dither signals whose amplitudes are adjusted as a function of the error-diffusion textur...
05/06/2008
7369712Automated statistical self-calibrating detection and removal of blemishes in digital images based on multiple occurrences of dust in images
A method automatically corrects dust artifact within images acquired by a system including a digital acquisition device including a lens assembly. Multiple original digital images are acquired with the digital acquisition device. Probabilities that certain pixels co...
05/06/2008
7362472Color error diffusion
A method for multi-toning an input digital image having input pixels with two or more color channels to form an output digital image having modified output levels. The method includes producing an error signal for each color channel, combining the error signals to p...
04/22/2008
7355747System for improving the speed of data processing
An apparatus includes a first processing device to perform halftoning on a first set of values corresponding to a first set of pixels and a second processing device to perform halftoning on a second set of values corresponding to a second set of pixels, with ones of...
04/08/2008
7330195Graphic pieces for a border image
A graphic piece can be used to add a border to an image. The graphic piece is created by creating a graphic image foreground image and a graphic image background image. The foreground and background images are merged into a graphic image file, the contents of which ...
02/12/2008
7317826Identifying intrinsic pixel colors in a region of uncertain pixels
A digital image that includes first and second regions is processed. An intrinsic color of a given pixel located in an area of interest that is adjacent to at least one of the first and second regions is estimated by extrapolating from colors of multiple pixels in o...
01/08/2008
7301673Error diffusion processing method
An error diffusion processing method includes determining a binary value of an input pixel according to a grayscale level of the input pixel, searching a nearest pixel that has the same binary value as the input pixel, and comparing a measured actual distance with a...
11/27/2007
7286268Image processing apparatus capable of preventing pseudo contour
There is provided an image processing apparatus employing an error diffusion method capable of preventing a pseudo contour attributable to a delayed dot. The image processing apparatus receives an error diffused from a neighboring pixel and corrects a value (an inpu...
10/23/2007
7272264System and method for hole filling in 3D models
A method for hole-filling in 3D models includes identifying vertices adjacent to hole boundaries in a mesh of points on a digital image and constructing a signed distance function based on vertices adjacent to hole boundaries. A Radial Basis Function is fit based on...
09/18/2007
7206461Digital image acquisition and processing system
A digital image acquisition and processing system that automatically corrects dust artifact regions within acquired images by compiling a statistical dust map from multiple images acquired under different image acquisition conditions is provided. The system includes...
04/17/2007
7161634Encoding system for error diffusion dithering
An error diffusion system in accordance with an embodiment of the present invention adjusts the color depth of an RGB signal using error diffusion without the using an expensive frame buffer. Specifically, a color depth adjustment unit in accordance with the present...
01/09/2007
7095527Method and apparatus for printing transparent graphics
A method for printing documents containing transparent graphics objects includes creating a transparency list containing the transparent graphics objects of said document, and printing only objects contained in said transparency list as bitmaps. ...
08/22/2006
7091987Patterning and dot gain improvement for vector error diffusion
A method for processing color-image pixel-data for outputting by a multi-bit (N) color-image output device including the steps of (a) characterizing color-image pixels into N successive, associated scan lines of pixels, which lines are bridged, effectively for proce...
08/15/2006
7076110Quantization error diffusion for digital imaging devices
A quantization method and system (20) for quantizing image data. A look up table (23) is used to provide non binary values for one or more bits of an input pixel value, as well as to provide a quantization error value. The quantization may be condition...
07/11/2006
7043089Overflow error diffusion
Methods, devices and systems for overflow error diffusion in image processing are provided. A method includes calculating error values, em, corresponding to differences between modified intensity values for a number of pixel locations and one or more thre...
05/09/2006
7009731Image processing apparatus capable of preventing pseudo contour
There is provided an image processing apparatus employing an error diffusion method capable of preventing a pseudo contour attributable to a delayed dot. The image processing apparatus receives an error diffused from a neighboring pixel and corrects a value (an inpu...
03/07/2006
6956583Error diffusion method and apparatus thereof for display system
In an error diffusion method and an apparatus thereof for a display system capable of preventing errors of pixels of a certain display region for being affected by pixels of other display regions on a PDP (plasma display panel) device or other display devices, the a...
10/18/2005
6895349Gate comparator
A gate comparator control panel, in accordance with the subject invention, allows a user to define up to four different gate regions that may exist on any of the live waveforms, maths waveforms, or REF waveforms. A menu for each gate controls the position of each ga...
05/17/2005
6894702Dropout control in subpixel rendering
The present invention relates to dropout control in which one or more samples are added to adjacent samples that fall within an image outline. The samples are used in sub-pixel rendering to compensate for unnaturally thin or faint object stems. Horizontal dropout co...
05/17/2005
6870643Method and system for error diffusion with a plurality of error measures
A method (and system) for producing a halftoned image, includes calculating errors corresponding to a plurality of different viewing conditions of a halftone image, and minimizing a function of the errors, such that the halftoned image appears as a different image u...
03/22/2005
6864898Error distribution for the approximation of the pixel color of a digital image
A method of approximation of the respective colors of pixels of a digital image by selecting, from a look-up table and successively for each pixel of the image, a color, the code of which comes close with the smallest error to the sum of the code of the current pixe...
03/08/2005
6844882Variable dithering for GIF
A method for generating a palette-based output image from a source image by variably dithering regions of the source image using an associated regional dithering mask. The palletized output image can be a GIF image or a PNG8 image. The dithering mask contains a plur...
01/18/2005
6804392Removing color aliasing artifacts from color digital images
A method of minimizing color aliasing artifacts from a color digital image having color pixels is disclosed. The method includes providing luminance and chrominance signals from the color digital image; using the luminance and chrominance signals to compute neighbor...
10/12/2004
6781585Graphics system having a super-sampled sample buffer and having single sample per pixel support
A computer graphics system that utilizes a super-sampled sample buffer and a sample-to-pixel calculation unit for refreshing the display. The graphics system may have a graphics processor, a super-sampled sample buffer, and a sample-to-pixel calculation unit. The gr...
08/24/2004
6775418Image processing device and processing method
An image processing device detects the correlation between a pixel to be removed in thinning pixel blocks generated by using a delay in horizontal and vertical directions and an adjacent pixel. The device then determines a coefficient corresponding to the correlatio...
08/10/2004
6771832Image processor for processing an image with an error diffusion process and image processing method for processing an image with an error diffusion process
Error addition section 201 generates correction data by adding correction value Emo and correction value E1 to the input data. Binary processing section 202 converts the correction data to binary data to generate output data. Binary error calcul...
08/03/2004
6744435Rendering discrete sample points projected to a screen space with a continuous resampling filter
A method produces an image from a set of discrete sample points. The sample points can define a 3D volume or surface. Each discrete sample point is projected to a screen space. A continuous resampling filter for each sample point is generated in screen space. The co...
06/01/2004
6687414Method and system for normalizing a plurality of signals having a shared component
One aspect of the invention is a method for normalizing a plurality of signals wherein the plurality of signals have a shared component and wherein at least one of the signals has been distorted in a nonlinear way. A distortion function is determined for ...
02/03/2004
6650790Digital processing apparatus for variable image-size enlargement with high-frequency bandwidth synthesis
Digital image processing apparatus, making use of both diagonal interpolators and a binary mask, for deriving a displayed enlarged image from an input image without introducing visible "staircasing", blurred edges and non-linear artifacts in the enlarged ...
11/18/2003
6625329Method for improving the definition of digital images
A method for improving the definition of a digital image whose pixels are memorized light intensity values which are arranged in rows and columns in the form of a starting matrix Axy. A matrix section Aij is enlarged by reflection an...
09/23/2003
6580837Up-sampling decimated color plane data
A method for determining a value for an unknown picture element (pixel) T based on neighboring pixel values of a checkerboard decimated color plane. Immediate and extended neighborhood pixel values are selected. In one configuration, immediate neighborhoo...
06/17/2003
6556214Multilevel image display method
A multilevel image display method performs error diffusion processing on data that is inputted as multiphase data. The display error of a target pixel is diffused into pixels included in data blocks that are inputted after the data block that includes the...
04/29/2003
6510252Image processing method and apparatus
An image processing method and an image processing apparatus are provided to maintain image quality through simple processing while reducing the number of gradation levels of image data by error diffusion process. In an image processing apparatus, data ou...
01/21/2003
6476934Geometrically reducing influence halftoning
Methods and apparatus for processing an image is disclosed. First an output value of a first current pixel (inx,y-1), which is not at an edge of the image, is determined using a first influence value (Wx,y-2) for a first current pixe...
11/05/2002
6456295Method for simulating diffusion on a raster
Methods and apparatus for simulating diffusion on an input raster. The method includes receiving an input raster for a region, the input raster including one or more objects having fixed parameter values and one or more areas of the region over which the ...
09/24/2002
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