Matches 1 - 48 out of 48


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9030717 Image reading apparatus, compression-ratio determination method, and computer-readable, non-transitory medium  
Provided are an image reading apparatus, a compression-ratio determination method and a computer-readable, non-transitory medium that can determine a compression ratio such that the data amount...
8842304 Image processing apparatus, image processing circuit, and method of controlling image processing apparatus  
Disclosed is an image processing apparatus including a reading unit that reads a document, an image forming and outputting unit that performs an image forming and outputting process, a read image...
8488204 Data encryption method implemented on a pattern displaying medium with at least two types of ink  
Various types of ink corresponding to non-overlapping wavelength domains in absorbing lights are utilized on a pattern displaying medium for marking coordinate dots and data dots of a plurality of...
8386675 Data transmitting apparatus and data transmitting program  
There is disclosed a data transmitting apparatus for transmitting data including a plurality of data elements, each of which is a bit sequence of a plurality of bits. At least one bit in the bit...
8351718 Image data processing apparatus, image forming apparatus provided with the same, image data processing program, and image data processing method  
An image data processing apparatus including: a compression processing section that divides image data into a plurality of partial data in a prescribed size, generates link information showing a...
8284464 Image processing method and apparatus to scan on both sides of a document  
The image processing apparatus includes a plurality of scanning units scanning on both sides of a document in parallel and an image processing unit executing image processing on image data...
8264715 Approach for implementing locked printing with remote unlock on printing devices  
An approach is provided for implementing locked printing on a printing device with remote unlock. The printing device includes a locked print process that is configured to examine print data...
8237980 Serial interface device and image forming apparatus  
A serial I/F has: a FIFO portion to which m- or n-bit (m
8204271 Digital watermark detecting apparatus  
A digital watermark embedding apparatus includes: an extractor configured to extract a specific frequency component from each of N kinds of scaled images about an input image signal to generate N...
8189856 System and apparatus for evaluating the reliability of a watermarking technique for a video sequence  
A system and apparatus for evaluating the reliability of a watermarking technique for a video sequence, said system and apparatus comprising: a) a calibrating means adapted to calibrate said...
8111427 Information processing apparatus for outputting image-forming print data to an external image-forming apparatus connected to the information processing apparatus through an interface among a plurality of interfaces with different data transfer speeds  
In an image forming system, an information processing apparatus (host computer) outputs print data to a printer connected to the apparatus through an interface. The apparatus includes an interface...
8077908 Method for using an image analysis program to analyze a plurality of images having the same image blocks  
The present invention relates to an image analysis method for analyzing an image. By inputting starting point coordinates and ending point coordinates of individual image blocks contained in the...
7830558 Digital camera and controlling method therefor  
In a digital camera performing wireless communication, the communication speed of the wireless communication is changed according to the state of the wireless communication, and a clock frequency...
7792374 Image processing apparatus and method with pseudo-coded reference data  
An image processing apparatus and method decodes interceded image data, even if reference image data is lost. The apparatus and method perform first coding that codes input image data by...
RE41526 Method and apparatus for restoring compressed image processing system and method of decoding a current image  
The present invention relates to an image processing technique, and in particular to a method for restoring a compressed image by using a hybrid motion compensation discrete cosine transform...
RE41400 Method of decoding a current image  
The present invention relates to an image processing technique, and in particular to a method for restoring a compressed image by using a hybrid motion compensation discrete cosine transform...
7738722 Technique for adaptive de-blocking of block-based film grain patterns  
Reduction in the blockiness of a simulated film grain block can be achieved either by the use of adaptive downscaling or adaptive deblocking filtering to adjust the intensity of the pixels at the...
7679790 Image processing apparatus and its control method  
An image processing apparatus includes a decompression unit (302) that is configurable by dynamic reconfigurable logic into either a first decompression circuit (302a) or a second decompression...
7643182 System and method for processing image data  
In one embodiment, a method of processing image data for compression is provided, wherein the image data represents an image and includes a plurality of image data values, each image data value...
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...
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...
7305490 Preparing electronic data for transmission  
A method for preparing electronic data for transmission includes calculating a duration for compressing the electronic data, calculating a duration for transmitting the electronic data if not...
7230735 Forward link text compression in satellite messaging  
A method of transmitting communication information employing a coding scheme being defined by a character set. The characters of the character set are encoded into codewords of a sequence of bits,...
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...
7016065 Image processing method and apparatus with multiple coding units  
The invention relates to an image processing apparatus which has a coding function of image data and inputs and outputs an image and a method for such an apparatus, and has an object to...
6844943 Method and apparatus for video recording from previous recorded video  
A system and method for eliminating absent or poor quality video sections from a video recording, such as a second generation of video recording. Synchronizing pulses associated with a video...
6646756 Printing apparatus and method which controls driving of a printing head according to received data  
A distinction apparatus of a printing apparatus distinguishes data compression rate according to each of the data transferred from a host computer, and a mode selection apparatus selects a...
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...
5771102 Process for the transmission of images  
The process for transmission of images enables various classes of source-coded image data to be channel-coded and transmitted at various class code rates. For this purpose, source-coded image data...
5710639 Scan line compressed facsimile communication system  
A selective call receiver includes a receiver (103), a controller (105), and a display (113) for presenting a recovered source document. The receiver (103) provides a received paging message that...
5706103 Image processing device, for use in scanner, printer, digital copying machine and display device  
An image processing device comprises an encoder for encoding inputted image data in the form of fixed length compression. The encoded data encoded in the form of the fixed length compression by...
5506686 Method and device for determining bit allocation in a video compression system  
The present invention provides a method (100) and device (200) for allocating bits to video pictures in a video compression system. A sequence of video frames or pictures is received, and the...
5463476 Image processing system  
An image processing system having a data compressor for selectively compressing image data, data storage for selectively storing the compressed data from the data compressor, a page buffer for...
5444542 Image processing apparatus and method  
An apparatus is provided for quantizing data obtained by transforming image data to a frequency zone so as to encode it. The speed at which such an apparatus performs processing is increased. Data...
5377018 Video compression and decompression using block selection and subdivision  
A frame of digitized video data is compressed by dividing the frame into a plurality of rectangular blocks each typically measuring 4 pixels by 4 pixels. The entropy of each block is determined by...
5331427 Image reproducing apparatus  
An image reproducing apparatus includes an input part for inputting digital signals indicating an image and for inputting supplementary digital signals, a composition part for coding the digital...
5331425 Image data encoding apparatus providing increased encoding efficiency with reduced dependency on image content  
A data encoding apparatus, applicable for example to a facsimile apparatus, increases the degree of image data compression that can be achieved by a variable length encoding scheme, by limiting...
5319468 Image signal recording and reproducing system with use of bandwidth compression coding  
A recording and reproducing system for digitizing the image signal and compression coding the signal by in-field and inter-field, or in-frame and inter-frame coding, wherein the inter-field or...
5307177 High-efficiency coding apparatus for compressing a digital video signal while controlling the coding bit rate of the compressed digital data so as to keep it constant  
Digital video signals are divided in blocks, maximum and minimum values of each block are extracted, and a frequency distribution of one frame period of a dynamic range in each block is detected....
5291303 Facsimile apparatus  
A facsimile apparatus has a first coder for coding image data by a one-dimensional coding method or a two-dimensional coding method, and a second coder for performing coding by a second coding...
5229863 High speed CCITT decompressor  
A new and improved decoder for decoding CCITT compressed image data. This decoder separates all the incoming codes into short codes and long codes. The short codes are sent to the short channel...
5153747 Color scanner with built-in color compression hardware to reduce scan time  
The color image scanner includes built-in color compression capabilities to reduce scan time. The improved color scanner scans a color image on a document to provide color image data having a...
4754336 Picture data communication system with scanning pattern change  
A picture data communication system with a scanning pattern change includes a plurality of scanning pattern selecting units responsive to input picture signals for selecting a type of scanning...
4413287 White line skipping  
A white line skipping technique for data reduction is disclosed for reducing facsimile transmission time. Video processing for white line skipping centers around the use of a five element solid...
4396952 Facsimile transmission apparatus  
Apparatus for evaluating, characterizing and transmitting facsimile data at an efficiency exceeding one transmission bit per elemental scan area but in such a manner as to avoid the drop-out of...
4303947 Image interpolation system  
Analog image data pixels are sampled and held to produce a box car wave representative of the image data. Wave height differences are bridged by linear interpolation, with frequency enhancement...
T964004 Time-base instability compensation apparatus for use in copy/duplication  
apparatus is disclosed which compensates for time-base instabilities in analog signals representative of a document image and includes an analog-to-digital converter for digitizing such analog...
3394352 Method of and apparatus for code communication  
1,140,069. Facsimile systems; Data transmission systems. ELECTRONIC IMAGE SYSTEMS CORP. 21 July, 1966 [22 July, 1965], No. 32855/66. Headings H4F and H4P. In a data transmission system data is...

Matches 1 - 48 out of 48