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| Number | Title | Issue Date |
| 7933049 | Multifunction printer and image processing method This invention relates to an MFP having copy and scanner functions. The MFP in which image data flows from a line sensor to a DRAM via an A/D conversion unit and a reading control unit (RCU) and then from an image processing unit (IPU) to a printer via the DRAM has ... | 04/26/2011 |
| 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 |
| 7414745 | Image reading system and image reading method A copying apparatus detects as to whether or not an IC chip is present in an original paper. When the IC chip is detected, the copying apparatus reads data from this IC chip. When the read data is additional information, which can be printed as an image, the copying... | 08/19/2008 |
| 7403308 | Image forming apparatus An image forming apparatus including an image reading section having a plurality of sensors with their different features, an image processing section which applies a processing to image data according to the sensors with different features acquired at the image rea... | 07/22/2008 |
| 7391535 | Raster image processing In one embodiment, a raster image processor, which may be part of a printing device or configured as a separate device, includes a processor to parse a print ready file, a rasterizer to translate the parsed print ready file to an intermediate file, and a compressor ... | 06/24/2008 |
| 7372600 | Color facsimile device with data recompressing capability JPEG data is efficiently recompressed and transmitted to a remote color facsimile device. Before transmission of recompressed JPEG data, an anticipated transmission time is displayed for enabling the user to easily select the desired compression ratio. To generate r... | 05/13/2008 |
| 7369258 | Network communication device A network communication device measures an elapsed time from the transmission of facsimile data prepared by an e-mail message composing section to the reception of a delivery verification response by a clock section. In accordance with the measurement, a time managi... | 05/06/2008 |
| 7362480 | Method and system for changing a scanning resolution A method and system for scanning comprises rotating a scanning chassis of an optical scanner to create an acute angle between the scan line and a scanning direction, such that the scanning chassis has two ends, and moving the scanning chassis in the scanning directi... | 04/22/2008 |
| 7363569 | Correcting for data losses with feedback and response A digital content transmission and reception system that uses feedback and retransmission of missing content is described. A content transmission system broadcasts a complete set of digital content to a plurality of content reception systems via a communication link... | 04/22/2008 |
| 7330587 | Method of and apparatus for compressing and uncompressing image data The present invention provides for a method of and apparatus for compressing and uncompressing image data. According to one embodiment of the present invention, the method of compressing a color cell comprises the steps of: defining at least four luminance levels of... | 02/12/2008 |
| 7307762 | Image input/output control method and image input/output apparatus In the case in which an image processing mode is a high-speed copy mode in which follow-up control is possible, setting is made to perform “follow-up control” for setting a mode for not compressing an image or a fixed length compression mode for an image read by... | 12/11/2007 |
| 7292728 | Block quantization method for color halftoning A method and apparatus for block quantization for color halftoning is described. In one embodiment, the method comprises dividing an input image and an output image into blocks, wherein each block in the output image corresponds to one block in the input image. The ... | 11/06/2007 |
| 7289245 | Color facsimile device capable of transmitting color image information represented in appropriate color space through multiple communication channels A color facsimile device capable of transmitting color image information through multiple communication methods, such as G3, G4, T.37, and T.38, which can convert color image information into that represented in appropriate color space for each communication methods... | 10/30/2007 |
| 7271923 | Image processing using processing by bands and fixed-size work buffer A high-quality image processing apparatus capable of performing image transfer processing using a predetermined work buffer even if different decoding methods are used, without physically increasing the memory capacity. Image data in page description language is inp... | 09/18/2007 |
| 7269775 | Correcting for data losses with feedback and response A digital content transmission and reception system that uses feedback and re-transmission of missing content is described. A content transmission system broadcasts a complete set of digital content to a plurality of content reception systems via a communication lin... | 09/11/2007 |
| 7245405 | Method and system for performing stateless compression of messages An approach for providing stateless compression is disclosed. A message (such as an HTTP (HyperText Transfer Protocol) GET request message or a Domain Name Service (DNS) message) is received from a host. A stateful compressor is initialized with a prescribed sequenc... | 07/17/2007 |
| 7230744 | Performance of a multi-stage service within an information technology network A multi-stage or process operation, such as the printing of a document from a data file in the form of a word processing document may be performed either by passing the document directly along a relatively fast network link to a printer 300, or by passing the... | 06/12/2007 |
| 7224844 | Entropy coding apparatus For the entropy coding of image data after subjected to orthogonal transforation and quantization, a plurality of entropy coding units are provided in parallel. The plurality of entropy coding units can be operated efficiently and the entropy coding can be executed ... | 05/29/2007 |
| 7209255 | Print data transfer method for reducing first print time A method is provided for transferring print data from a host computer to a printer connected to the host. According to the method, a transfer rate determiner of the host determines the data transfer rate of the interface between the host and the printer. Before the ... | 04/24/2007 |
| 7202974 | Efficient under color removal A method of performing color space conversion and under color removal. Pixelated data is first resampled (102) to an efficient word size—typically 8-bits wide. The RGB color format data words are then subtracted from a maximum intensity to yield CMY color f... | 04/10/2007 |
| 7190284 | Selective lossless, lossy, or no compression of data based on address range, data type, and/or requesting agent An integrated memory controller (IMC) including MemoryF/X Technology which includes data compression and decompression engines for improved performance. The memory controller (IMC) of the present invention preferably selectively uses a combination of lossless, lossy... | 03/13/2007 |
| 7181069 | Image processing apparatus By using a data combining portion, the predetermined data is combined with the original image data on a pixel position with an upper limit gray scale value in a direction of increase of the gray scale value and a combined image data is generated. Since the predeterm... | 02/20/2007 |
| 7151616 | Facsimile apparatus, control method of facsimile apparatus, and computer-readable memory medium storing control program for facsimile apparatus Original sheets in which both-side image information and one-side image information exist mixedly can be efficiently and certainly transmitted without an erroneous operation. A CPU discriminates the presence or absence of effective image information in images on bot... | 12/19/2006 |
| 7139428 | Image encoder, image encoding method, recording medium and computer data signal embodied in a carrier wave A processor performs layout analysis, and classifies pieces of bitmap data into a character area and a picture area. The processor divides each of the character area and the picture area into a plurality of tiles having a predetermined shape, thereby creating a tabl... | 11/21/2006 |
| 7111556 | Printing system, print request terminal, compression algorithm selecting program and printing method A printing system is provided suitable for reducing a printing time. A client apparatus acquires document data being edited during an editing operation by an application, creates print data for evaluation based on the acquired document data, selects a compression al... | 09/26/2006 |
| 7088463 | Binary data transmission over an image data channel A method of sending binary data over an image data channel. The binary data is encoded into an encoded linear matrix image, and the encoded linear matrix image is transmitted over the image data channel. The received linear matrix image is decoded to recover the bin... | 08/08/2006 |
| 7082220 | Data processing apparatus The present invention relates to data processing apparatuses which improve the quality of decoded data, such as an image and sound, more. A decoding section 21 decodes, for example, encoded data obtained by JPEG-encoding an image, and an encoding section 2... | 07/25/2006 |
| 7069302 | Internet facsimile and E-mail reception method An Internet facsimile apparatus for receiving e-mail data, is connected to a computer network. The Internet facsimile apparatus comprises an e-mail receiver that receives e-mail data transmitted via the computer network. The e-mail data includes a header, document i... | 06/27/2006 |
| 7068398 | System and method for efficient tile generation from complex raster data A system and method for accepting raster data from a Postscript or equivalent image data generator, identifying portions of the raster image which contain continuous tone data and linework data, dividing those portions into separate tiles and compressing the data wi... | 06/27/2006 |
| 7058218 | Method of and apparatus for compressing and uncompressing image data The present invention provides for a method of and apparatus for compressing and uncompressing image data. According to one embodiment of the present invention, the method of compressing a color cell comprises the steps of: defining at least four luminance levels of... | 06/06/2006 |
| 7050197 | Image processor for high-speed printing applications An image processor (14) supporting very high-speed printing. The image processor (14) preferably has two separate connections to a source (12) of the image being printed, e.g., a printer control bus (34) and an image data bus (36).... | 05/23/2006 |
| 7050835 | Intelligent multi-media display communication system Interactive, low power, collapsible, intelligent, multi-media display systems for use as hand-held, portable communications devices are disclosed. A display communications device according to the invention can include a housing that contains a processor, radio trans... | 05/23/2006 |
| 7016076 | Image communication apparatus and method Color facsimile communication uses image data obtained by JPEG-compressing data having a CIE Lab color space. To attach a JPEG image to e-mail, image data obtained by JPEG-compressing data having an Internet standard YCbCr color space is desirable. When an image tra... | 03/21/2006 |
| 7012576 | Intelligent display interface A video display system that co-locates a video display memory with the video display device, and transmits to the display device those portions of the image data that have changed rather than continually updating the entire video image. Each display device is addres... | 03/14/2006 |
| 7006700 | Digital video compression command priority A video compression system for compressing a stream of digital video data is disclosed. Known run-length encoding is applied whenever possible to the digital video data stream. When a run is not identified, the encoder determines whether a consecutive series of pixe... | 02/28/2006 |
| 6950559 | Image processing apparatus, image processing circuit, and image processing method Data, on which one page of original image data should be image-processed, indicates a first block image (G1) constructed of continuous “n” lines of the original image, commenced from a top line thereof; and a second block image (G2) through... | 09/27/2005 |
| 6947160 | Network facsimile apparatus and channel selecting method The present invention selects a channel to be used in facsimile-transmitting image information included in e-mail subjected to relay request in accordance with channel selection information included in said e-mail. ... | 09/20/2005 |
| 6864997 | Picture encoding apparatus and method A picture encoding apparatus and the method in which the quantization step width of the lower hierarchy data having a resolution higher than that of the upper hierarchy data is determined for each predetermined block of respective hierarchy data based on the quantiz... | 03/08/2005 |
| 6807309 | Linear list compression Methods, apparatus, and computer readable medium for compressing connected component objects (300) of bi-level images. The compression apparatus (204) can take various forms including apparatus for coding a stroke of an object (300) or for codin... | 10/19/2004 |
| 6804401 | Method for compressing digital documents with control of image quality subject to multiple compression rate constraints A method for digital image compression of a raster image is disclosed which uses different compression methods for selected parts of the image and which dynamically adjusts compression and segmentation parameters to control tradeoff of image quality and compression.... | 10/12/2004 |
