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| Number | Title | Issue Date |
| 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 one significant edge. A significant edge is tested as to whether it ... | 10/21/2008 |
| 7436539 | Image processing apparatus, image processing method, storage medium storing a program readable by a computer and program At the image processing time for an image data, a storage area to be secured is reduced, and moreover, the number of access processing times for the storage area which is required until the image processing result is obtained is sharply reduced, thereby shortening t... | 10/14/2008 |
| 7433519 | Bitstream format for compressed image data It is desirable to provide a bitstream format for compressed data that would allow multiple processors to access and decompress different parts of the data in parallel. Compressed images are usually defined in terms of macroblocks that have a width less than the ima... | 10/07/2008 |
| 7421134 | Image processing apparatus and method for moving object-adaptive compression An image processing apparatus is adapted to a surveillance camera system, and a CPU included in the surveillance camera system divides a plurality of continuous screens of an image signal into a plurality of blocks by each screen, and detects a specific object, whic... | 09/02/2008 |
| 7409098 | Image processing apparatus and method for coding with complexity-based quantization An image processing apparatus is provided that can define the change amount of a quantizing parameter by suitably reflecting the complexity of image data in the case, when the quantizing parameter is increased a predetermined unit amount, the coarseness the image da... | 08/05/2008 |
| 7362471 | Image-forming controller, method therefor, program, and storage medium A controller for a four-drum printer eliminates a need for an expensive inter-drum delay memory, which has been conventionally used, to print an RGB image and allows a multifunction machine, printer, and the like to be provided at low cost. An image ring interface r... | 04/22/2008 |
| 7359671 | Multiple channel wireless communication system A wireless audio distribution system may have a wireless transmitter, responsive to a plurality of audio input channels, for transmitting signals carrying the audio, a receiver, responsive to the transmitted signals for selecting one or more of the audio input chann... | 04/15/2008 |
| 7340103 | Adaptive entropy encoding/decoding for screen capture content Adaptive entropy encoding and decoding techniques are described. For example, a screen capture encoder and decoder perform adaptive entropy encoding and decoding of palettized screen capture content in screen capture video. The encoder selects between different entr... | 03/04/2008 |
| 7336852 | Image processing apparatus, image reading apparatus, image forming apparatus and recording medium for image processing program An image processing apparatus, an image reading apparatus, an image forming apparatus and a computer-readable recording-medium for storing an image processing program are disclosed. The image processing apparatus can synthesize coded data encoded in accordance with ... | 02/26/2008 |
| 7283265 | Raster data compression apparatus and method A plurality of patterns such as solid patterns, edge patterns, half-tone patterns, and verbatim data are losslessly represented in a compressed raster data stream. A pattern selection module selects among the various patterns to provide the best combination of lossl... | 10/16/2007 |
| 7245396 | Image data coding apparatus, image data decoding apparatus, image data coding method and image data decoding method This invention has as its object to efficiently encode an image. To this end, for example, an image undergoes a color reduction process using a dither matrix with a predetermined size. A print control command is output. A compression parameter designation command th... | 07/17/2007 |
| 7218790 | Adaptive entropy encoding/decoding for screen capture content Adaptive entropy encoding and decoding techniques are described. For example, a screen capture encoder and decoder perform adaptive entropy encoding and decoding of palettized screen capture content in screen capture video. The encoder selects between different entr... | 05/15/2007 |
| 7145696 | Print data compression method and printer driver A printer driver software product is provided for execution by a computer to produce compressed page data corresponding to a page layout. The driver includes instructions to generate continuous-tone data and bi-level text and black graphics data from print data corr... | 12/05/2006 |
| 7136534 | Quality based image compression A system and method for quality-based image compression utilizing adaptively sized blocks and sub-blocks of discrete cosine transform coefficient data and a quality based quantization scale factor is claimed. A block size assignment element in an encoder element sel... | 11/14/2006 |
| 7126711 | Voice/facsimile/modem call discrimination method for voice over packet networks A method of discriminating voice, data, and facsimile calls communicated through a voice-over-packet network. The gateway is provided with software which can identify the existence of an answer signal (ANS) or a modified answer signal (ANSam) communicated between an... | 10/24/2006 |
| 7123768 | Apparatus and method for detecting a pattern A method for detecting a specific pattern contained in an image. The pattern-detection method has steps of binarizing the input image data to obtain binary image data, recognizing a partial image that is contained in the binary image data, is part of the specific pa... | 10/17/2006 |
| 7098822 | Method for handling data A method, device and computer program for handling a data stream comprising a number of data objects, wherein for at least one of these data objects a decision is made whether a compression is conducted based on a value representing a compression factor of the data ... | 08/29/2006 |
| 7092118 | Progressive image transmission using discrete wavelet transforms Disclosed herein is a method of storing and of progressively transferring a still image so that it can be conveniently previewed during the transfer and so that a user can terminate the transfer at an early stage if the image turns out to be undesirable. The methods... | 08/15/2006 |
| 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 |
| 7031552 | Adaptive post-filtering for reducing noise in highly compressed image/video coding A technique to reduce ringing artifacts in highly compressed block-based image/video coding is applied to each reconstructed frame output from the decoder. For each pixel block of a reconstructed frame, low-pass filtering is then adaptively applied according certain... | 04/18/2006 |
| 6965647 | Robust time domain block decoding A method for robust time domain block decoding is disclosed. In one embodiment, the method includes receiving a block of transform domain coefficients, detecting errors in one or more transform domain coefficients, decoding pixel values from the transform domain coe... | 11/15/2005 |
| 6944356 | Locating point of interest in an impaired image Locating of points of interest in an impaired image derived from video processing of a reference image is achieved by generating an impairment map for the impaired image. Then a cross-fade is performed between the impaired image and the impairment map so that points... | 09/13/2005 |
| 6930803 | Information processing apparatus and processing method therefor In an image processing apparatus which has an operating system (102) and scanner driver (103), is connected to a scanner (104) for reading an original and converting it into an image signal, and stores image data read by manipulating the scanner... | 08/16/2005 |
| 6907125 | Apparatus and method for processing information and correcting an error in a decrypted error correction code An apparatus and method for processing information, including an error-correcting coding device for encoding information data into at least one error-correcting code, the error-correcting code containing the information data and a parity check code, and an encryptio... | 06/14/2005 |
| 6847468 | Progressive image transmission using discrete wavelet transforms Disclosed herein is a method of storing and of progressively transferring a still image so that it can be conveniently previewed during the transfer and so that a user can terminate the transfer at an early stage if the image turns out to be undesirable. The methods... | 01/25/2005 |
| 6778301 | Fast preview of CCITT-compressed documents A method of deriving a preview image from CCITT-compressed digital image data that represent an original image is disclosed. The method comprises receiving CCITT-compressed image data that represent an original image having Nr rows and Nc columns. Without decompress... | 08/17/2004 |
| 6751357 | Data structure for image transmission, image coding method, and image decoding method There is provided an image decoding apparatus for decoding a coded image signal having an image identifier based on a data structure of the image signal. This apparatus comprises a data analyzer for analyzing the coded image signal with reference to the image identi... | 06/15/2004 |
| 6747762 | Method for optimizing compression of scanned data A method for choosing a compression process for a scanned image includes scanning an image, forming a bitmap of the scanned image and selecting at least one portion of the scanned image as a compression test subject. The selected portion is selected by a variety of ... | 06/08/2004 |
| 6747753 | Image processing apparatus, control method of image processing apparatus, and storage medium storing therein control program for image processing apparatus An image processing apparatus which can execute an image process which is desired by a client while minimizing a connection time and an interactive communication between the client and the image processing apparatus is provided. To accomplish the above object, accor... | 06/08/2004 |
| 6728002 | Information recording apparatus A binding position of recording sheets recorded with data on the front and back sides thereof and a rotation angle of data to be recorded are controlled to provide copies which are recorded with data on both sides in proper directions and are easy to be discriminate... | 04/27/2004 |
| 6721070 | Apparatus and method for counting pixels in print data An independent hardware pixel counter counts bits of print data in regions of interest. The independent pixel counter can be an application specific integrated circuit (ASIC), and is separate from a control processor. The independent hardware pixel counter selective... | 04/13/2004 |
| 6701021 | System and method for encoding/decoding multidimensional data using successive approximation multi-stage vector quantization The present method relates to a method for encoding image data using vector quantization. According to the invention, a small first codebook is determined. Each image vector of the image data is then encoded by determining a codevector within the first co... | 03/02/2004 |
| 6600836 | Quality based image compression A system and method for quality-based compression utilizing adaptively sized blocks and sub-blocks of discrete cosine transform coefficient data and a quality based quantization scale factor is claimed. A block size assignment element in an encoder elemen... | 07/29/2003 |
| 6583887 | Method and apparatus for data compression Compression apparatus is described that operates to select an optimum compression procedure to apply to received image data. The compression apparatus can be employed in a page printer having a print engine that must be provided with video data at a const... | 06/24/2003 |
| 6522424 | Image data transfer system and method An image data transfer system and method enable scan time and transfer time of the image data to be adjusted appropriately without lacking a part of the image data, suitable for low price. A data segmentation device segments the image data from a scan dev... | 02/18/2003 |
| 6219157 | Image coding apparatus An image coding apparatus comprises a divider for dividing an image into a plurality of coding blocks overlapped to each other, and a coder for coding them for each of the coding blocks divided by the divider.... | 04/17/2001 |
| 6219147 | Digital multi-functional machine and method capable of photocopying, printing and transmitting facsimile images A digital multi-functional machine and method are disclosed, having at least one of picture reading, printing, and facsimile transmission capabilities, and including a printer for making visible prints in response to a demand for image prints and prints o... | 04/17/2001 |
| 6181435 | Image forming method and apparatus A printer converts print data in page description language into coded band data as a set of objects such as run-length data, trapezoid data and the like, in band units. Processing time to generate raster data from the coded band data is predicted, and the... | 01/30/2001 |
| 6134348 | Image processing apparatus and method A block including a subject pixel is formed from an original image. A first class information generation circuit calculates similarity between a decimated block that is obtained by decimating pixels constituting the block and a reduced block obtained by r... | 10/17/2000 |
| 6125207 | Encoded facsimile communication with a selective system and method therefor A selective call communication system (10) receives hand written information from a facsimile machine (14) to be delivered to a plurality of selective call receivers (40). The selective call receiver (40) is capable of receiving facsimile information and ... | 09/26/2000 |
