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| Number | Title | Issue Date |
| 7616220 | Spatio-temporal generation of motion blur Embodiments of the present invention blend frames over a specified spatial and temporal extent to produce a smoothly animated appearance at a reduced frame rate. As the window moves further or closer to the viewer, motion blur may be accomplished by a combination of... | 11/10/2009 |
| 7227665 | Image magnification changing apparatus After an image compressed by a compressing portion is stored in a page memory, it is decoded by a decoding portion. A sub-scanning enlargement portion carries out sub-scanning direction enlargement processing upon the image decoded by the decoding portion and a prin... | 06/05/2007 |
| 7221476 | Picture image processing apparatus and method, and picture processing system A picture image processing apparatus is provided with a hue calculating portion for calculating a hue pixel by pixel based on RGB data, a first sampling portion for sampling pixels having a hue corresponding to a skin color from the RGB data, a first characteristic ... | 05/22/2007 |
| 7206002 | Image processing apparatus and method that avoid generation of moire An image processing apparatus includes a spatial filtering unit which applies spatial filtering to input image data to generate filtered image data such that the spatial filtering provides a broader dynamic range for outputs than for inputs, and a high-resolution co... | 04/17/2007 |
| 7190486 | Image processing apparatus and image processing method An image processing apparatus and an image processing method of the present invention improves image quality during monochrome output by adaptively executional conversion from a color image signal to a monochrome image signal during monochrome image output, and by u... | 03/13/2007 |
| 7142223 | Mixed 2D and 3D de-interlacer A de-interlacing methodology generates frames from interlaced video signals by incorporating data from multiple fields into an interpolation-based de-interlacing process. Pixels directly above and below a blank pixel location and pixels immediately before and after ... | 11/28/2006 |
| 6980335 | Color image processing apparatus executing moving-average processing for noise reduction in color image signals The color image processing apparatus of the present invention selects, on the basis of a moving average number n of pixels calculated by a predetermined numerical formula with respect to any notable pixel i, n number of reference pixels j located before and after th... | 12/27/2005 |
| 6927781 | Method and apparatus for averaging sub-samples A method of generating pixels in a graphics system including providing a plurality of sub-samples, and providing a source pixel. It is determined which of the plurality of sub-samples are covered by the source pixel, and which of the plurality of sub-samples are not... | 08/09/2005 |
| 6867784 | Methods, systems, and computer readable media for using closed contours of a modeled surface Methods, systems, and computer readable media use closed contours of a modeled surface for various purposes such as displaying a contour map of the modeled surface or computing volumetrics. For the closed contours, a colorfilled contour map may be displayed where ea... | 03/15/2005 |
| 6747668 | Image reducing device and method An image reducing device comprises a simple-averaging device that calculates a simple average of data of pixels of each simple-averaging area of original image data to acquire a pixel of middle image data, and a weighted-averaging device that multiplies data of pixe... | 06/08/2004 |
| 6747637 | Image data processing system The present invention provides an image data processing system to increase the speed of on-screen display (OSD) image processing. The image data processing system comprises M color code registers for storing a plurality of color codes and a first multiplexer electri... | 06/08/2004 |
| 6690375 | Line segment detector A line segment detector includes a first weighted average section which calculates the weighted average of pixel values in a first detecting window. The detector also includes a second weighted average section which calculates the weighted average of pixe... | 02/10/2004 |
| 6326961 | Automatic detection method for tuning the frequency and phase of display and apparatus using the method This invention relates to an automatic detection method and apparatus for tuning the frequency and phase of displaying clock of a display to match the frequency and phase of pixel clock of a PC's display interface card. Based on the synchronized displayin... | 12/04/2001 |
| 6088014 | Liquid crystal display device A liquid crystal display device of the present invention capable of enlarging and displaying to a high picture quality even when display data having a lower resolution than a liquid crystal panel is inputted, is provided with storage element groups every ... | 07/11/2000 |
| 6045584 | Multilevel and beveled-corner design-rule halos for computer aided design software Enhanced capability design-rule halos for use in Computer Aided Design (CAD) software programs are described. Such enhanced halos, created around a design feature at the design rule distance from that feature, have the following characteristics: beveled c... | 04/04/2000 |
| 6043802 | Resolution reduction technique for displaying documents on a monitor A method of generating an output image having a lower resolution than that of a source image is provided. A thinned image is generated by discarding outer pixels of the source image. In parallel with generation of the thinned image, an averaged image is g... | 03/28/2000 |
| 5821916 | Digitizer cursor velocity offset error correction system Methods and apparatus are shown for correcting velocity-induced offset errors in a digitizing system when the cursor is moved diagonally across a sensing grid. Primarily, this is a system for reducing the offset error in the actual and depicted cursor pos... | 10/13/1998 |
| 5821915 | Method and apparatus for removing artifacts from scanned halftone images A method for removing artifacts from a bitmap of image data produced by scanning a halftone image may comprise the steps of: (a) calculating a weighted average intensity value for a target pixel based on a weight factor for the target pixel and on weight ... | 10/13/1998 |
| 5815641 | Spatial light modulator with improved peak white performance A spatial light modulator based imaging system (30) with improved peak white performance characteristics. The apparent dynamic range of the spatial light modulator (74) is increased by adding light to pixels neighboring a saturated pixel. An apparent bloo... | 09/29/1998 |
| 5798751 | Image processing apparatus This image processing apparatus processes image data obtained by interlace scanning. This apparatus comprises a predictor for predicting pixel data of a next field from the pixel data of one of the first and second fields to produce predictive pixel data,... | 08/25/1998 |
| 5748781 | Method and apparatus for digital data compression Data compression and decompression are performed on a series of data points, by expressing a plurality of data points as an equation or a series of equations. Variable accuracies, and accordingly variable compression ratios, may be provided. Multiple vers... | 05/05/1998 |
| 5684509 | Method and apparatus for processing image A read image is displayed and a specific point is set to a desired point to be subjected to an image processing. A first specific region is set within the range of a circle whose center is the specific point. A boundary of the first specific region is the... | 11/04/1997 |
| 5513309 | Graphic editor user interface for a pointer-based computer system A graphical editor user interface that is particularly well suited for use in pointer based computer systems. The graphical editor is arranged to permit the user to easily edit various selected graphic objects. The selected objects are highlighted and pre... | 04/30/1996 |
| 5471567 | Image element depth buffering using two buffers Depth buffered anti-aliasing in a real time image generation system utilizing two separate buffers, one for combining attributes of object pixel definitions which are of less than full coverage and another for storing the attributes of each new object pix... | 11/28/1995 |
| 5444832 | Pixel density converter Each one of three different, separate pixel density converters, which are alternative embodiments, operates upon an electrical signal representing successive pixels of an image. The first pixel density signal converter repeats an integration process by ad... | 08/22/1995 |
| 5420969 | Apparatus using mean value image smoothing for a two-dimensional image signal An image smoothing apparatus includes an image data providing device, an input buffer, a memory control unit, a horizontal mean value computing device, an intermediate stage memory device, a transverse mean value computing device, and an output buffer. Th... | 05/30/1995 |
| 5390289 | Anti-alias font generation A method of generating a second, substantially anti-aliased, representation of a character from a first representation. The second representation is comprised of horizontal lines of dots that are shifted horizontally relative to dots of the first represen... | 02/14/1995 |
| 5261030 | Real-time digital computer graphics processing method and apparatus A visual simulation system (10') and method for digital computer graphics processing is described whereby the system (10') reduces the undesirable effects of aliasing on the digital computer images (59) rendered in the simulation. Real-Time Pixel Mixing (... | 11/09/1993 |
| 5157388 | Method and apparatus for graphics data interpolation Special purpose graphics instructions are provided to implement linear interpolation of pixel attributes such as a distance (Z) value or color intensity. Multiple fixed-point real number additions are performed in parallel in a 64-bit adder. The real numb... | 10/20/1992 |
| 5140315 | Antialiased pixel based display system for lines and solids In a pixel based color display system, aliasing is minimized by controlling the colors in pixels, bridging boundaries of objects of the image to be blends of the colors on each side of the boundary. Blends are controlled in accordance with pixel words con... | 08/18/1992 |
| 5126726 | Picture element encoding The values of an attribute, like color, to be assigned to the right and left half of a pixel of a display device, such as may be determined by a computer image generation system, are compared for determining a difference value. If the difference value is ... | 06/30/1992 |
| 4988984 | Image interpolator for an image display system An image interpolator implements an interpolation function providing real time, continuous zoom capability to an image dispaly system. Output image pixels are obtained by interpolating the values of the color or intensity of the 2×2 matrix of pixels surr... | 01/29/1991 |
| 4849746 | Digital video generator A digital video generator provides for smooth scrolling of a video image across a video display device. A digital memory contains data to be displayed. Under control of a computer this data is transferred to a display memory as needed. The data is display... | 07/18/1989 |
| 4843380 | Anti-aliasing raster scan display system A raster scan display system for eliminating jagged edges from vectors or polygon boundaries inclined within &#b1;45 degrees to horizontal comprising a digital vector generator, a frame buffer memory, a color look-up table, digital-to-analog converters an... | 06/27/1989 |
| 4710764 | Device for obtaining continuous plots on the screen of a display console controlled by a graphic processor Device for obtaining continuous plots on the screen of a display console controlled by a graphic processor, comprising a graphic memory for storing in binary form the matrix of points or pixels representing the image displayed on the screen and an attribu... | 12/01/1987 |
| 4704605 | Method and apparatus for providing anti-aliased edges in pixel-mapped computer graphics Smoothing information consisting of a mix value which indicates what percentage of the new color is to be displayed in a given pixel is stored in a pixel-plane memory. The value for the percentage for the old color is derived by subtracting the indicated ... | 11/03/1987 |
| 4642623 | Television-type interlaced display device and digital oscilloscope comprising such a device Display device used to display a signal obtained by sampling and stored in a memory and recovered by interpolation points or interpolation vectors and in order to suppress the effect of light fluctuation of the interpolation segments (P) which represent h... | 02/10/1987 |
| 4484188 | Graphics video resolution improvement apparatus A video signal generation apparatus improves the resolution of the video signal by forming additional video scan lines between the successive scan lines by combining the video attributes of adjacent scan lines. This invention is particularly applicable to... | 11/20/1984 |
| 4262290 | Display systems In a cathode-ray tube display system, signals defining the coordinates of the element of the screen on which the cathode-ray beam is incident in its raster scan are supplied to a comparator together with signals defining the coordinates of a series of poi... | 04/14/1981 |
