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| Number | Title | Issue Date |
| 7444028 | Image processing apparatus for binarizing image data An original of copying, fax, or the like is read by a CCD image sensor and resulting image data are input to a data abnormality detecting section via an A/D converter and correcting unit. A maximum value and a minimum value of the pieces of gradation information of ... | 10/28/2008 |
| 7433069 | Image transmission method and its apparatus An image transmission apparatus and method for use with at least two transmission paths having different transmission rates from one another. The image transmission apparatus comprises an image input for receiving an image signal, a coding processing unit for encodi... | 10/07/2008 |
| 7433076 | Macro-pixel image rendering apparatus and associated methods A macro-pixel used in an image rendering process for forming an image using a matrix of macro-pixels. The macro-pixel comprises a plurality of rectilinear parallel rows. All rows extend across the matrix in the same direction and each one of the rows is capable of a... | 10/07/2008 |
| 7400766 | Image edge extraction via fuzzy reasoning A computer-based technique for detecting edges in gray level digital images employs fuzzy reasoning to analyze whether each pixel in an image is likely on an edge. The image is analyzed on a pixel-by-pixel basis by analyzing gradient levels of pixels in a square win... | 07/15/2008 |
| 7391540 | Sheet-fed scanner capable of switching backgrounds In a sheet-fed scanner capable of switching backgrounds, a scanning module scans a document, which is transported by a sheet-feeding mechanism across a scan region, and a stationary background component, which has a plurality of sections having different reflectivit... | 06/24/2008 |
| 7359553 | Image identification system Methods and procedures for improving the performance and reliability of image analysis within an image identification system include a series of image qualification functions designed to quickly process a fraction of available image data and to provide feedback to a... | 04/15/2008 |
| 7353146 | Block processing of input data in graphical programming environments Methods and systems for performing block processing of input data in graphical programming environments are disclosed. The input data that is to be processed is partitioned into a plurality of blocks. Each block of the input data is applied to the data processing un... | 04/01/2008 |
| 7352812 | Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding Adjacent blocks are identified in an image. Coding parameters for the adjacent blocks are identified. Deblock filtering between the identified adjacent blocks is skipped if the coding parameters for the identified adjacent blocks are similar and not skipped if the c... | 04/01/2008 |
| 7345791 | Image processing device and image processing method An image processing device for processing an input image so as to reproduce a halftone, includes: a matrix setting section for setting a threshold matrix having a plurality of elements arranged in M columns×N rows, at least two threshold values being stored in each... | 03/18/2008 |
| 7324701 | Image noise reduction An image processing apparatus determines whether or not a target pixel TP which is the object of the smoothing process is an edge-forming pixel based on the edge level (gradient g). If the pixel is determined to be an edge-forming pixel, the smoothing process employ... | 01/29/2008 |
| 7277201 | Systems and methods for designing digital anamorphic line screens Historically, the creation of digital line screens was considered to be a subset of the creation of the digital cluster dot screens. The geometric constraints necessary for digital cluster dot screens were imported into the creation of digital line screens. Accordin... | 10/02/2007 |
| 7274490 | Image forming apparatus with control of maximum output of colorant In an image forming apparatus which forms a color image by superposing cyan, magenta, yellow and black toners on a recording medium, a circuit to limit image signals is provided immediately before a gamma correction circuit which corrects an output characteristic in... | 09/25/2007 |
| 7265873 | Image processor that performs edge enhancement using a dynamic threshold An image processing system that performs edge-enhancement on an image. The image processing system processes a region of the image at a given time. One specific pixel of an image region is compared to several surrounding pixels to determine the existence of a black ... | 09/04/2007 |
| 7262884 | Image processing apparatus and image processing method A white background determination section performs a white background determination on the basis of a white threshold calculated by a white threshold calculation section and an area size selected by an area size determination section. A character discrimination secti... | 08/28/2007 |
| 7248747 | Method and arrangement for the correction of video signals In a method for the correction of video signals whose processing is distributed between a plurality of segments having different transfer characteristics, it is provided that, from values in each case of a predetermined number of pixels before the boundary of two se... | 07/24/2007 |
| 7230986 | Multistandard video decoder and decompression system for processing encoded bit streams including a video formatter and methods relating thereto A pipeline video decoder and decompression system handles a plurality of separately encoded bit streams arranged as a single serial bit stream of digital bits and having separately encoded pairs of control codes and corresponding data carried in the serial bit strea... | 06/12/2007 |
| 7209594 | Methods and apparatus for improving quality of block-transform coded images Block-based image processing methods and apparatus that provide a reduction in block-transform image coding artifacts are described. In various embodiments, the invention is directly incorporated into a decoding process. In such embodiments, transform coefficients a... | 04/24/2007 |
| 7203234 | Method of directional filtering for post-processing compressed video A method of post-processing decompressed images includes identification of the direction of an image edge in a pixel block of the image and filtering applied along the boundary of the block in a direction substantially parallel to the detected image edge. Pixels are... | 04/10/2007 |
| 7173968 | Method for coding and decoding a digitalized image A method and an arrangement in which a digitized image with picture elements is allocated to a number of image segments. The image segments, preferably image blocks, are spread such that interspaces remain between the image blocks to be encoded. The interspaces are ... | 02/06/2007 |
| 7167281 | Image processing apparatus and method for binarizing a multilevel image It is judged for each pixel in an inputted multilevel image whether the pixel is a background pixel, and the pixel is locally binarized if it is judged not to be a background pixel. Then, it is judged whether the pixel belongs to a background or a stroke, such as of... | 01/23/2007 |
| 7164499 | Block quantization method for color halftoning A method and apparatus for performing color halftoning using block quantization is disclosed. In one embodiment, the method comprises dividing an input image into a plurality of blocks, clustering pixels in each of the plurality of blocks into a plurality of color g... | 01/16/2007 |
| 7149811 | Multistandard video decoder and decompression system for processing encoded bit streams including a reconfigurable processing stage and methods relating thereto A pipeline video decoder and decompression system handles a plurality of separately encoded bit streams arranged as a single serial bit stream of digital bits and having separately encoded pairs of control codes and corresponding data carried in the serial bit strea... | 12/12/2006 |
| 7145693 | Image processing apparatus and method In ink-jet printing apparatuses having a monochrome head which is longer than a color head, if a monochrome image is processed as a color image, the printing speed cannot be improved. Accordingly, the color attribute is determined by pixel based on a luminance signa... | 12/05/2006 |
| 7139105 | Image reading apparatus for optically reading an image An image reading apparatus for optically reading an image comprises an LED for lighting a predetermined region including an object to be read, an image pickup element for receiving reflected light from the predetermined region lit by the LED and outputting an corres... | 11/21/2006 |
| 7110604 | Processing of digital images Methods and apparatuses for identifying objects in a digital image include a thresholding unit and a threshold calculation unit. The thresholding unit is designed to receive the digital image and compare the luminance values of the digital image with threshold value... | 09/19/2006 |
| 7095783 | Multistandard video decoder and decompression system for processing encoded bit streams including start codes and methods relating thereto A pipeline video decoder and decompression system handles a plurality of separately encoded bit streams arranged as a single serial bit stream of digital bits and having separately encoded pairs of control codes and corresponding data carried in the serial bit strea... | 08/22/2006 |
| 7088857 | Dynamic bilevel thresholding of digital images In a digital image, for each pixel to be thresholded, a threshold is selected from a set of thresholds. Selection may be based on relative magnitudes of the thresholds. At least one of the thresholds may be dynamic, and one of the thresholds may be constant for at l... | 08/08/2006 |
| 7088474 | Method and system for enhancing images using edge orientation A method and system for enhancing images utilizes the direction of a detected edge within an image block of an input image to selectively smooth or sharpen a pixel of the input image that corresponds to that image block. The direction of a detected edge within the i... | 08/08/2006 |
| 7085424 | Method and system for compressing motion image information A method and system for compressing motion image information, which can compress data that can be subjected to predictive encoding. An image within a frame is divided into blocks before an inter-frame compression procedure begins, and each block is approximated with... | 08/01/2006 |
| 7085022 | Repeatedly sampling method for image scanning The present disclosure provides a repeated sampling method for image scanning. In one or more embodiments, the sampling method may comprise a sample treatment procedure for the data of an image scanning device during the scanning of an image. The method may comprise... | 08/01/2006 |
| 7079290 | Halftoning method and system providing increased number of densities per basic halftone cell for constant input Apparatus and method for flexible digital halftoning are provided in which novel pattern choices are allowed by not restricting the basic halftone patterns to grow sequentially. Rather, positions in a threshold array allow multiple transitions between on (i.e., prin... | 07/18/2006 |
| 7053941 | Image input apparatus An image input apparatus has an image sensor for photoelectrically converting image information of an object into an electric signal and outputting the signal, and a correction circuit for adjusting a fluctuation of offset components generated during photoelectric c... | 05/30/2006 |
| 7006703 | Content recognizer via probabilistic mirror distribution An implementation of a technology, described herein, for facilitating the recognition of content of digital goods. At least one implementation, described herein, derives a probabilistic mirror distribution of a digital good (e.g., digital image or audio signal). It ... | 02/28/2006 |
| 7003174 | Removal of block encoding artifacts A method of reducing artifacts in an image previously processed by block transform encoding may comprise the steps of: determining block boundaries; determining an approximate metric of artifact visibility; ... | 02/21/2006 |
| 6999211 | Original conveying apparatus, light amount adjustment method for light-emitting section thereof, image forming apparatus, control method therefor, storage control device, storage control method, and storage medium There is provided an original conveying apparatus for conveying an original to an image reading section of an image forming apparatus, which is capable of preventing the number of times of writing to a nonvolatile storage medium that stores a correction value for th... | 02/14/2006 |
| 6977663 | Color error diffusion with color bleed control A method for controlling color bleed in relation to a system-invoked halftone color-image process which involves and includes the practice of error diffusion. The proposed method involves (a) selecting a location in the system which is downstream therein relative to... | 12/20/2005 |
| 6978045 | Image-processing apparatus In an image processor on multi-level image data, an edge direction of a target pixel is discriminated from differences in density level between the target pixel and adjacent pixels thereof. A pixel is divided into a plurality of sub-pixels, and the image is formed i... | 12/20/2005 |
| 6950930 | Multistandard video decoder and decompression system for processing encoded bit streams including pipeline processing and methods relating thereto A pipeline video decoder and decompression system handles a plurality of separately encoded bit streams arranged as a single serial bit stream of digital bits and having separately encoded pairs of control codes and corresponding data carried in the serial bit strea... | 09/27/2005 |
| 6944341 | Loose gray-scale template matching for image processing of anti-aliased lines An anti-aliased, or gray-edged, image is characterized by comparing the image to a number of loose-templates having a plurality of elements and at least one element having a range greater than zero. As families of loose-templates are compared to the anti-aliased inp... | 09/13/2005 |
| 6931063 | Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding Adjacent blocks are identified in an image. Coding parameters for the adjacent blocks are identified. Deblock filtering between the identified adjacent blocks is skipped if the coding parameters for the identified adjacent blocks are similar and not skipped if the c... | 08/16/2005 |
