Famous Patents
British merchant Peter Durand invented the tin can in 1810.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8085446 | Image processing device for creating data file from monochrome image after the monochrome image has been compressed by different compression methods An image processing device includes a first encoding processing portion to perform first encoding processing according to a first compression method for compressing multilevel image data and a second encoding processing portion to perform second encoding processing ... | 12/27/2011 |
| 7522315 | Image processing apparatus with hierarchical encoder When image data are sent through a network, bit streams of hierarchically encoded JPEG 2000 data of a plurality of pages of a document are formed by prioritizing resolution, and the bit streams of the plurality of pages are divided in a plurality of files based on t... | 04/21/2009 |
| 7466456 | Apparatus for transmitting read data An apparatus for transmitting read data comprises a document reader 101, a data compression unit 102, a data transmission means and a CPU 104. The document reader 101 reads in a document having been subjected to predetermined data process... | 12/16/2008 |
| 7349621 | Information recording apparatus with selective control of recording medium and recording means drive means An information recording apparatus has a stop mode in which only recording means comprised of a rotatable drum on which a recording head is mounted and recording medium driving means comprised of a capstan/pinch roller are stopped, which stop mode can be changed fro... | 03/25/2008 |
| 7262718 | Variable length decoder and variable length decoding method A variable length decoder comprises: a first storage unit that stores encoded data; a variable length decoding unit; a second storage unit that stores coefficient data; a reverse quantizing unit; and a reverse DCT unit. The variable length decoding unit includes a c... | 08/28/2007 |
| 7231432 | Image forming device that automatically updates shortcut key database when network data is received An image forming device includes a shortcut key database. The shortcut key database stores address data in association with corresponding numeral keys, enabling a user to specify desired address data by pressing a corresponding numeral key. When download data form a... | 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 |
| 7130074 | Image encoding and recording apparatus An image recording apparatus is provided. The image recording apparatus includes a generator that generates information of recordable capacity of a storage and a holder for holding in advance data to be stored in the storage. A signal generator generates a signal in... | 10/31/2006 |
| 7072078 | Image storage apparatus, image storage method, and storage medium Information including parameters for JBIG-encoding is managed page-by-page, and image information is JBIG-encoded with the information managed page-by-page, after which the encoded data is stored in an image memory. The encoded data stored is then decoded with the i... | 07/04/2006 |
| 6967731 | Multifunction apparatus and data printing method A multifunction apparatus which has a facsimile communication section configured to conduct a facsimile communication. The multifunction apparatus includes an interface which receives PDL data from a host apparatus, and a controller which obtains image data based on... | 11/22/2005 |
| 6937291 | Adaptive video scaler An adaptive filter is adjustable for performing scaling operations. During a scaling operation, the adaptive filter stores scaled data in a memory such that more data samples may be retrieved during a subsequent scaling operation. The size of a finite impulse respon... | 08/30/2005 |
| 6847735 | Image processing system, image processing apparatus, image input apparatus, image output apparatus and method, and storage medium This invention has as its object to attain efficient encoding/decoding even when the processing time, memory, arithmetic cost, and the like of an apparatus are limited. Encoded image data is input to an image processing apparatus (1) to obtain transfor... | 01/25/2005 |
| 6584232 | Image encoding apparatus, image encoding method, and recording medium in which image encoding program is recorded The block reducing unit 201 reads one block out of each block group. The pixel reducing unit 202 reads pixels on one-out-of-four basis. The block reading unit 203 sequentially reads out images. The orthogonal transformation unit 205 performs orthogonal tr... | 06/24/2003 |
| 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 |
| 6215421 | Coding apparatus and method, decoding apparatus and method, data processing system, and storage medium A coding apparatus for embedding second data into first data without deterioration of the first data, and a decoding apparatus for decoding coded data in which first data is coded in accordance with second data are provided. The coding apparatus embeds th... | 04/10/2001 |
| 6118903 | Image compression method and apparatus which satisfies a predefined bit budget A DCT based lossy compression method for compressing a digitized image composed of a matrix of image samples to provide a compressed image which satisfies a predefined bit budget. The digitized image is first sub-divided into blocks (e.g. of size 8×8 pix... | 09/12/2000 |
| 5956430 | Image information coding apparatus and method using code amount of a selected pixel block for changing coding parameter An image information coding apparatus includes a block generator for dividing image information into pixel blocks, each of which consists of a predetermined number of pixels. A block selector selects a pixel block in a position different from that of a pi... | 09/21/1999 |
| 5953460 | Image encoding method and an image encoder wherein a one-dimensional signal having the fastest energy conversion rate is selected and outputted as a coded signal An image signal is transformed by at least two different mathematical transformations to obtain at least two different transformed signals. A selected one of the transformed signals is quantized and coded, the selection being made so as to minimize the si... | 09/14/1999 |
| 5883976 | Selectively utilizing multiple encoding methods The invention is to exactly select an enconding method with satisfactory encoding efficiency, by comparing the final predicted code lengths for plural encoding methods, prior to the actual encoding operation. This object can be attained by an encoding dev... | 03/16/1999 |
| 5825934 | Adaptive image coding method and apparatus An ADCT mode or a standard mode of still image encoding is employed to perform fixed length encoding. According to the present invention, an image processing apparatus includes a circuit for counting code lengths, a circuit for cutting off encoding of a b... | 10/20/1998 |
| 5822463 | Image coding apparatus utilizing a plurality of different quantization-width estimation methods An image transforming section subjects image data to compression processing. A quantizing section quantizes the transformed data using a quantization width. A variable-length coding section subjects the quantized data to variable-length coding. A code-amo... | 10/13/1998 |
| 5815599 | Irreversible compression system and method for bit map images An irreversible compression system and method, includes fetching cells of bit map data from first and second adjacent blocks of bit map data, each of the fetched cells having a predetermined cell size, and each of the fetched cells is converted to compres... | 09/29/1998 |
| 5745245 | Communication apparatus The facsimile machine codes image data in order to reduce the data size to be transmitted. In coding an image data, an adaptive template pixel is referred to whose position relative to the pixels to be coded is kept constant. In a sampling period, the rel... | 04/28/1998 |
| 5737093 | Recording data generating device having output allowance/prevention mode To record image data in increased number of gradations while forming a unitary data with a small number of dots, two lines worth of image dot data are transferred to shift registers from an image dot data memory. Unitary data of 2-by-2 dot matrix data fra... | 04/07/1998 |
| 5636294 | Method and apparatus for truncation of images during data compression An apparatus for and method of truncating images during data compression. The present invention truncates an image when the memory requirements for the compressed image exceeds a predetermined threshold. However, unlike prior art systems, the present inve... | 06/03/1997 |
| 5588075 | Method and apparatus for encoding and decoding image data A method and apparatus for encoding and decoding image data in which continuous still images are compressed and decompressed. The apparatus divides a plurality of multivalue image data into blocks each comprising a plurality of pixels, the pixels in the b... | 12/24/1996 |
| 5553160 | Method and apparatus for dynamically selecting an image compression process based on image size and color resolution A method and apparatus which dynamically selects an image compression process for an image to be transferred from a first agent to a second agent. The image being compressed has a particular size associated with it, which indicates the amount of storage s... | 09/03/1996 |
| 5517583 | Image encoding method and apparatus This invention relates to an image encoding method and apparatus and, more particularly, to determination of an encoding parameter. According to this invention, a method of determining a parameter for encoding an image to be encoded in accordance with an encod... | 05/14/1996 |
| 5438432 | Data transmitting apparatus A data transmitting apparatus capable of performing highly efficient transmission of data in mixed mode. The data transmitting apparatus comprises an image data block detector for detecting a block composed of image data out of blocks forming a document s... | 08/01/1995 |
| 5327502 | Image coding system using an orthogonal transform and bit allocation method suitable therefor A bit allocation method which facilitate control of the number of bits to be assigned to transform coefficients and block of image data with a deviation from the functional form. An image coding system which can implement an optimal bit allocation that mi... | 07/05/1994 |
| 5212564 | Facsimile system for recording received picture data having buffer with selectable storage A system for recording received picture data for facsimile transmission includes a compressor for encoding decoded received picture data per line as a unit and compressing the encoded picture data to produce compressed data. A decision unit is connected t... | 05/18/1993 |
| 4445195 | Recording system of variable length picture information A recording system is provided for a picture information file device having a keyboard, a 2-dimension scanning device, a magnetic tape device, a display device, and a microprocessor. When registering new picture information, a retrieval title to which a d... | 04/24/1984 |
| 3974325 | Interpolator for facsimile bandwidth compression In a facsimile transmission device, means for reducing the bandwidth which includes a clock rate halving flip-flop and an odd-even line switching flip-flop which are logically combined to transmit every second data bit in each line in a vertical stagger b... | 08/10/1976 |
