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7103230 |
Embedding editing commands in digital images
When editing a digital image that has previously been saved in a lossy manner (whether such losses result from the editing operations and/or from inherently lossy image file formats such as JPEG),...
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7099030 |
Image communications system
A communications system receives fax image data encoded with a specific facsimile data format and carrying transmission codes having no relation with image contents, converts the received fax image...
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7099506 |
Image data coding device, image data coding method, image forming apparatus, storage medium and program
An image data coding device and the like capable of improving the compression ratio of entropy coding of color image data is disclosed. The image data coding device converts input color image data...
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7099511 |
Method and apparatus for coding and decoding image data using critical points
An image data coding and decoding technique which realizes most efficient compression of the image data. The image data are input and separated into key frames and other intermediate frames....
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7098916 |
Connectivity encoding and decoding of polygon meshes
Methods of connectivity encoding polygonal mesh representations of objects are described, along with methods of decoding encoded connectivity information for polygonal mesh representations of...
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7098931 |
Image management system and methods using digital watermarks
Digital watermarking technology is used in an image management system. Images are uniquely identified by digital watermarks. The images are stored so as to be indexed according to their unique...
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7099515 |
Bitplane coding and decoding for AC prediction status information
In one aspect, an encoder/decoder selects a bitplane mode from a group of plural available bitplane modes, and processes a bitplane according to the selected bitplane mode, wherein the bitplane...
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7095895 |
Semiconductor integrated circuit for realizing coding circuit
Provided is a circuit for implementing the coding of a DVI (Digital Visual Interface) standard in a small size of hardware, at high speed, and with low power consumption. In a DVI coding circuit,...
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7095870 |
Electronic watermark embedding apparatus and method and a format conversion device having a watermark embedding function
In an electronic watermark embedding technique, even when image data compression such as MPEG2 compression is conducted for image data of an image including a watermark while keeping deterioration...
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7092965 |
System and method for improved compression of DCT compressed images
A system providing methods for improved compression of images that have been compressed using Discrete Cosine Transform (DCT) based compression is described. A digital image that has been...
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7092577 |
Image compression device, image compression method, electronic camera, computer-readable medium for image compression, and computer system for compressing image data
An image compression device includes a transformation part for subjecting image data to frequency decomposition and for determining transformation coefficients, a coefficient adjustment part for...
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7091981 |
Data bus compressing apparatus
A bus compression apparatus for compressing data is provided to suppress an EMI signal and to simplify a data bus structure. In the apparatus, the voltage levels of the digital output signals are...
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7092546 |
Digital watermarking technique
A watermarking system allowing both sufficiently high quality of watermarked moving pictures and enhanced ease of watermark detection is disclosed. A watermark level of a watermark to be embedded...
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7088865 |
Image processing apparatus having image selection function, and recording medium having image selection function program
An image processing apparatus having an image selecting function, includes: an evaluation device that takes in a plurality of sets of image data of a subject obtained through image-capturing and...
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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...
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7088864 |
Generating a test suite from an abstract state machine
A method and apparatus to generate a test suite from an abstract state machine (ASM) involves generating a finite state machine (FSM) for the ASM, and generating the test suite from the FSM. An...
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7085379 |
Image compression device and image decompressing device, and computer-readable recorded medium on which program for allowing computer to execute image compressing method and image decompressing method
An image compression apparatus capable of efficiently encoding an image without causing color deviation to the eye compresses luminance element image data and two types of chrominance element image...
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7085804 |
Method for processing objects of a standardized communication protocol
In a method for processing objects of a standardized communication protocol for image and data exchange between devices via a communication network by means of processing devices, the objects are...
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7085420 |
Text detection in continuous tone image segments
For encoding of mixed-mode images containing text and continuous-tone content, the pixels in the image that form the text content are detected and separated. Text detection classifies pixels as...
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7085419 |
Method and apparatus for coding and decoding image data
A matching processor detects correspondence information between key frames. A judging unit detects motion vectors from the correspondence information to determine variation of a field of view...
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7082226 |
Image data reproduction method
A duplicated part of identical images in an encoded image data master is judged to be selected. Image data to be reused is generated by adding a storage instruction to encoded image data of the...
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7082217 |
Method and apparatus for image compression in block units
The present invention relates to a method and apparatus for image compression in block units, and particularly to the image editor, color equalizer and error diffuser functions thereof. According...
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7079697 |
Image compression with transform coefficient analysis
A method of image/video compression with intra-coding blocks analyzed for sum of absolute magnitudes of AC coefficients of DCT of block to determine whether to approximate the block with 0 AC...
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7079690 |
Method and apparatus for editing an image while maintaining codestream size
A method and apparatus for editing an image while maintaining codestream size is described. In one embodiment, the method comprises determining a portion of a codestream to edit, decoding the...
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7079691 |
Method of and apparatus for encoding, method of and apparatus for decoding, and image forming apparatus
With an encoding section 301 in an encoding apparatus, an image reading section 310 sequentially inputs binary signals by a predetermined bit length; a run counter in a run length processing...
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7076105 |
Circuit and method for performing a two-dimensional transform during the processing of an image
An image decoder performs a 2-D transform as a series of 1-D transforms, and does so in a more efficient manner than prior decoders. The decoder includes a memory and a processor coupled to the...
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7076113 |
Apparatus and method for adaptive spatial segmentation-based noise reducing for encoded image signal
An efficient and non-iterative post processing method and system is proposed for mosquito noise reduction in DCT block-based decoded images. The post-processing is based on a simple classification...
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7076103 |
Method, apparatus, and program for image data compression
When image data are compressed, a degree of image quality degradation can be recognized. At the time of compressing the image data, compression information is added as tag information in a file...
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7075683 |
Dynamic image digest automatic editing system and dynamic image digest automatic editing method
An image processing section 10 calculates degree of similarity among a plurality of image frames of dynamic image data, determines scene-change frames based on the calculated degree of...
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7075681 |
System and method for reducing the data volume of images
A system and method for reducing the volume of data necessary to represent an image by utilizing tiling and masking techniques is disclosed. Initially, an image described by raster content having...
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7075557 |
Method of and apparatus for handling high bandwidth on-screen-display graphics data over a distributed IEEE 1394 network utilizing an isochronous data transmission format
On-screen-display graphics data is transmitted from a source device to a display device over an IEEE 1394-1995 serial bus network utilizing an isochronous data format. The on-screen-display...
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7072512 |
Segmentation of digital video and images into continuous tone and palettized regions
For encoding of mixed-content images containing palettized and continuous-tone content, continuous tone content regions in the image are detected and separated. Continuous tone content segmentation...
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7072060 |
Print control apparatus, print control method, and memory medium
To avoid difficulties upon the outputting of data whose amount exceeds the capacity of a memory, without risking image quality degradation and without the need for using a particularly large...
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7071848 |
Hardware-friendly general purpose data compression/decompression algorithm
Methods and systems are provided for dynamically compressing and decompressing a data stream in a manner that facilitates hardware implementation. In one aspect, a compression system identifies...
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7072519 |
Image coding device and method thereof and image decoding device and method thereof
A predetermined area of input image data ( 100 ) is read and stored into a memory section ( 1 ). As soon as data is stored in the data read memory section ( 1 ), wavelet conversion filtering is...
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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,...
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7068846 |
Image input apparatus and control method therefor
In an image input apparatus for compressing, in real time, image data obtained by reading an image and storing it in a memory, a memory area is ensured, an original is read and its image data is...
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7069495 |
Bit error resilience for an internet protocol stack
The invention concerns the bit error resilience of an IP protocol stack based on a secure link layer, in which packet flows are header compressed according to a suitable header compression...
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7064873 |
Integrated circuit
An integrated circuit fabricated on a single substrate that includes a data bus and purpose-specific functional units connected to the data bus. The functional units include a JAPE decoder and a...
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7065251 |
Method and apparatus for providing adaptive multiple resolution of optical imagers
Method for image compression, where an acquired image is represented by a two dimensional array of pixels. The array is divided into blocks of identical rectangular areas. Data related to the...
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7065253 |
Wavelet zerotree coding of ordered bits
A computer system includes a memory and a processor. The memory stores a program to cause the processor to provide wavelet coefficients that indicate an image. The processor represent each wavelet...
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7065252 |
System and method providing improved data compression via wavelet coefficient encoding
A data compression system is provided in accordance with the present invention. The system includes a scanning component which scans at least a portion of a transformed image. The scan is performed...
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7065226 |
Method for embedding information and extracting the same
A method of embedding digital watermark information b 1 –b n (2≦n) in image data. The image data is divided into a plurality of areas S each consisting of M×N (1≦M, N) pixels. A plurality...
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7065254 |
Multilayered image file
To improve compression efficiency and decompressed image quality, images are decomposed into separate layers each containing a limited number of image element types (text, line art, or...
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7062097 |
Computational graceful degradation method using priority information in multiple objects case
A computational graceful degradation method is disclosed using priority information in multiple objects case. The method degrades the amount of computation in different ratio every object using the...
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7062096 |
Apparatus and method for performing bitplane coding with reordering in a fine granularity scalability coding system
An apparatus and method for performing bitplane coding with reordering, that may be used in a Fine Granularity Scalability (FGS) system. The apparatus and method reorder coefficients each time...
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7062095 |
Entropic encoding method and device
A method of ordering bits in an N-bit status word (s[c]) adapted to represent the state of a coefficient (c) during an entropic encoding of the coefficient in several passes is adapted to modify...
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7061640 |
Image processing apparatus that compresses and divides image data for storage
Conventionally, although a technique has been proposed in which image data is compressed and divided so as to be stored in a storing means, no device has been made as to a process which temporarily...
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7062094 |
System and method for lossless data transmission
A method for losslessly transmitting data is provided. The data is separated into two or more portions and the second portion is subtracted from the first portion to find a difference. The first...
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7058200 |
Method for the prior monitoring of the detectability of a watermarking signal
A method for the prior monitoring of the detectability of a watermarking signal inserted by modulation in a set of coefficients representing for example a digital image. The method comprises the...
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