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7440128 Print data compressing method  
A print data method includes a slicing step, a compressing step and decompressing step. The slicing step divides a swatch of data to be printed and required by each motor movement into a plurality...
7433522 JBIG coding apparatus and method with low cost, high-performance ping-pong buffer arrangement  
The present invention provides an image coding apparatus and method, which can achieve a low-cost, real time, and high-performance coding process by utilizing a line buffer and an auxiliary buffer...
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...
7424130 Coding apparatus and method, decoding apparatus and method, data processing system, storage medium, and signal  
The invention relates to a coding apparatus for embedding second data into first data without deteriorating the first data and a decoding apparatus for decoding coded data into original first data...
7423652 Apparatus and method for digital video decoding  
The decoding method is disclosed. The steps of the method includes recording each status of a plurality of data blocks of compressed macroblocks indicated by a first pointer to a first pointer...
7400428 Color facsimile apparatus and method of controlling communication thereof  
The present invention makes it possible to transmit an image, which has been captured as by a digital camera, in the form of a file by facsimile communication. To this end, if an X bit of a FIF...
7394578 Facsimile device reading lines of image data divisively in a sub-scanning direction  
This facsimile device comprises inputting means for inputting image data of a subject copy having a width in a main scanning direction larger than an A3-size width, reading means for divisively...
7372596 Color conversion definition creating method, color conversion definition creating apparatus, and color conversion definition creating program storage medium  
A combined profile is created through a first step of deriving a coordinate component of a black on a color space for CMYK dot % for a printer associated with a predetermined representative...
7372591 Image forming device and image forming method  
An mage forming device and image forming method capable of performing selective data compression. Printing data transmitted from a host computer are stored in RAM and developed into image data by...
7369284 Image signal processing method, image signal processing device, and image signal processing system  
A color image signal processing device having a high resolution and excellent color reproducibility even though the device comprises a one-chip color sensor. The data format for transmitting image...
7369270 Print engine/controller and printhead interface chip incorporating the engine/controller  
A print engine/controller suited to use with a drop on demand print head. The print engine/controller works with compressed page data having both JPEG contone image layers and a bi-level image...
7366319 Embedding a multi-resolution compressed thumbnail image in a compressed image file  
A method ( 300 ) of encoding an image into an image code-stream. The method ( 300 ) generates a reduced resolution representation of the image and encodes the reduced resolution representation in...
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,...
7349135 Time multiplexed image data decompression circuit  
A circuit which uses a compressor to divide each separation image into 8-line strips, and to independently compress each strip, a single decompressor to decompress two or more color image...
7346215 Apparatus and method for capturing a document  
An apparatus for capturing a document with a plurality of compression models comprises an image-processing system and an image-capturing system. The image-processing system is for accepting a...
7345794 Document reading apparatus and document reading method  
In a simultaneous double-sided document reading, this invention controls by software the document reading order to store image data in a single image storage device in the same order as a document...
7315661 Directional interpolation method using DCT information and related device  
The invention provides a method for interpolating a pixel within an image. The image has a plurality of pixels arranged in a matrix format. The method includes detecting if there is an edge in a...
7308158 Imaging method and system  
Imaging methods and systems are provided for indicating at least one preferred output form for an area within a digital image. In accordance with the method, a selection area is determined within...
7307759 Method and equipment for automatically performing color/monochrome judging of an original  
A copier and method for automatically determining whether the original is color or monochrome and generating a corresponding copy. The copier comprises a scanner which generates RGB data from the...
7304756 Image information processing apparatus, and computer-readable recording medium  
A sender device 1 stores, in header information about image information, information indicating that attribute information and image data rearranged in sequence, and produces image information by...
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...
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...
7271934 Method for smooth trap suppression of small graphical objects using run length encoded data  
A method for smooth trapping of an object containing run length encoded image pixel data, includes collecting a number of scanlines of run length encoded pixel data equal to 2M in a buffer, wherein...
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...
7209266 Image processing apparatus  
Without repeating compression/decompression operations, an editing process such as rotation can be executed using first compression data, and second compression data, whose compression ratio is...
7209262 Method and apparatus for processing image signal and computer-readable recording medium recorded with program for causing computer to process image signal  
In a method for processing an image signal, in which method input image information for an input image is converted into an image forming controlling signal for an image forming apparatus, a...
7158669 Image compression method and apparatus, and image coding method and apparatus  
There are provided an image coding method and apparatus and image compression method and apparatus which can properly compress a color document image with a high compression efficiency. First of...
7139099 Image processing device and image processing method  
Disclosed are an image processing device and an image processing method capable of generating a high-resolution color image of a fine gray scale from image data of a small information amount by...
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...
7106475 Image processing apparatus  
An image processing apparatus is provided in which the frequency of undesired delay of the image output can be reduced. The image processing apparatus comprises an image processor for performing a...
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...
7061531 Solid state imaging device having timing signal generation circuit and clamping circuit  
An imaging device uses a solid state imaging element, during multi-field accumulation to prevent shading and oscillatory phenomena such as repeated black and white patterns. A signal is supplied...
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...
7046387 Efficient coding of color images including monochrome images  
A device for processing images includes a compressing/coding unit which encodes image data including a plurality of color components to produce fixed-length codes, a memory unit which stores...
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...
6995867 Color adjusted printing  
A program method of converting a multiple color file to a two-color, or limited color file, so that an image contained therein can be printed upon a receipt, Point Of Sale, or two-color printer....
6950213 Fast method for fax encoded data conversion  
In accordance with an embodiment of the present invention, a fax decoding/re-encoding system for transferring fax images between a sending fax machine and a receiving fax machine includes a decoder...
6947183 Facsimile mail box service subscriber apparatus and operating method thereof  
A facsimile mail box service subscriber apparatus and its operating method are disclosed by which when the facsimile message is recorded, in case of a facsimile message in ECM, it is subject to the...
6944347 Image compression and restoring method for binary images  
The present invention relates to the image compression and restoring method for binary images that can be used in binary image equipment including printers. In the present invention, an image is...
6879417 Color image processing apparatus that performs color conversion processing  
When a first mode is designated, an RGB image signal obtained by reading an image is compressed, decoded and stored. After that, the resultant signal is converted into a CMYK image signal on the...
6859289 Print engine/controller with color mask  
A print engine/controller ( 10 ) to drive an ink drop print head has an interface ( 22 ) at which to receive compressed page data, decoders ( 28,88 ) to decode respective types of image planes in...
6829385 Apparatus and method for processing images, and a computer-readable medium  
An image processing apparatus which performs color transformation and compression/decompression simultaneously on image data so that the number of blocks to be transformed with the color...
6795215 Print engine/controller and printhead interface chip incorporating the engine/controller  
A print engine/controller suited to use with a drop on demand print head. The print engine/controller works with compressed page data having both JPEG contone image layers and a bi-level image...
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...
6775035 Image communication apparatus and method of controlling same  
It is so arranged that even if a procedure which does not report the number of lines of an image before image information is transmitted gives rise to an error, the occurrence of the same error can...
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...
6738169 Image processing apparatus and method  
In a high-frequency component processing section, a low-quality color transformation section applies a very simple (meaning a small amount of calculations) color transformation to an original image...
6721458 Artifact reduction using adaptive nonlinear filters  
Adaptive filtering techniques for hardware or software implementation, which selectively use median and low-pass filters to reduce artifacts based on local document features, are disclosed....
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...
6697521 Method and system for achieving coding gains in wavelet-based image codecs  
A method and system for coding a RGB image in an encoder and a decoder. In the encoder, the RGB image components are converted into YUV components. One or more of the lower bit-planes of YUV...
Matches 1 - 50 out of 191 1 2 3 4 >