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7564382 Apparatus and method for multiple description encoding  
Apparatus and method for generating multiple descriptions of compressed data is disclosed. In the apparatus and method, transform coefficients are generated from input data and quantized. An...
7561749 Apparatus, method, and computer-readable storage medium for lossy and lossless encoding of image data in accordance with an attribute of the image data  
Encoded data of a target data amount can be generated by one image input operation in which both lossless encoding and lossy encoding are adopted. For this purpose, a first encoding unit, which...
7558319 Method and apparatus for reproducing images, and image recording apparatus  
Structure information on picture within a GOP of a coded data sequence is acquired beforehand. At the time of high-speed reproduction, a high-speed reproduction mode judging unit judges by...
7557740 Context-based adaptive binary arithmetic coding (CABAC) decoding apparatus and decoding method thereof  
A decoding method is adapted to be implemented using a Context-based Adaptive Binary Arithmetic Coding (CABAC) decoding apparatus, and includes: initializing a plurality of context variables;...
7558432 Adaptive quantization of depth signal in 3D visual coding  
A method of representing an image or sequence of images using a depth map comprises transforming an n-bit depth map representation into an m-bit depth map representation, where m
7551787 Adaptive compression quality  
Images are captured and are stored (either in compressed or non-compressed form) in non-volatile storage at a predetermined quality or Q level. When the storage fills to a predetermined threshold,...
7548657 Adaptive video compression of graphical user interfaces using application metadata  
Systems, methods and computer accessible medium are provided through which an input data stream consisting one or more media regions before entering a network to be rendered by a display coupled a...
7545992 Image processing system and image processing method  
This present invention provides an image processing system and image processing method which can reliably transmit image information to a destination without attaching a large file which applies...
7542616 Apparatus and method for compressing image data  
An image data compressing apparatus includes an image data compressor for compressing image data input thereto at first and second compression rates to produce first and second compressed data,...
7539341 Systems and methods for processing image data prior to compression  
Systems and methods provide data processing before data compression. The data processing includes contrast enhancement and/or custom color mapping.
7536058 Imaging apparatus and imaging method for compressing image data to a fixed length  
An imaging apparatus comprises an imaging device to take an image, a device to create a main image by resizing a main image before compressing imaged by the imaging device, and then by compressing...
7532358 Hardware implemented loss-less page data compressor/decompressor  
One embodiment of the invention is directed to a printer that is configured to interleave color plane data. The interleaved data is compressed, thereby forming compressed data having runs, seedrow...
7529301 Image processing apparatus employing hierarchical encoding  
When image data to be encoded is divided into image data items in a plurality of hierarchies and an image data item in a given hierarchy among the divided image data items in the plurality of...
7529419 Data processing device capable of processing image data with small memory capacity, image processing method, and program product  
In an image processing device, image data is divided into a plurality of band data including first and second band data. The first band data and the second band data have an overlap region, from...
7522777 Image sensing apparatus and control method thereof  
This invention enables deleting and protecting a part of sensed image data in accordance with a situation so as to enable efficient utilization of a finite capacity of a storage medium. To realize...
7523234 Motion estimation with fast search block matching  
A video encoder and corresponding method are provided for encoding video signal data for an image block and a particular reference picture index to predict the image block, where the encoder...
7512281 Image processing apparatus that can generate coded data applicable to progressive reproduction  
An image processing apparatus divides data related to an image into bit-planes and performs a coding process on data of each of the bit-planes. The image processing apparatus includes a...
7502518 Apparatus and method for coding image based on level of visual attention and level of perceivable image quality distortion, and computer program product therefor  
An apparatus for coding an image includes a setting unit that sets quantization width for each coded block of an image frame of image data. The apparatus also includes a visual attention...
7502517 Image coding apparatus including a coded quantity prediction expression retaining unit  
The image coding apparatus is provided to realize image coding with little calculation quantity and through rate distortion optimization thereby maintaining a favorable image quality. The image...
7502516 System and method for providing an extensible codec architecture for digital images  
An improved system and method for an extensible codec architecture for digital images is provided. Executable software code may be operably coupled to a codec manager for requesting imaging...
7499594 Multi-resolution predictive foveation for bandwidth reduction of moving images  
A scene of an image sequence is compressed using a number of foveation zones, each foveation zone being weighted based on a probability of a viewer looking at a corresponding portion of the first...
7492819 Video coding apparatus  
In order to enhance the picture quality of a detected area, the present invention provides a video coding apparatus. In the apparatus, a reliability indicative of the degree of coincidence of an...
7483486 Method and apparatus for encoding high dynamic range video  
A method and apparatus for encoding high dynamic range video by means of video compression is shown. The method comprises the steps of providing high dynamic range (HDR) tristimulus color data...
7483578 Image data decoding apparatus and method  
An image data decoding apparatus decoded synthesized-compressed data in which image data with a plurality of resolutions is compressed in block units by different compression systems,...
7482530 Signal processing apparatus and method, recording medium and program  
A signal processing apparatus and method is disclosed by which signal components of different musical intervals of an audio signal can be obtained with a small amount of arithmetic operation. A...
7477690 Macroblock level adaptive frame/field coding for digital video content  
A method and system of encoding and decoding digital video content. The digital video content comprises a stream of pictures which can each be intra, predicted, or bi-predicted pictures. Each of...
7474794 Image processing using probabilistic local behavior assumptions  
Image transform apparatus for processing pixel image data, comprising: at least one low pass extractor for extracting a low pass component from a series of image pixels, at least one low pass...
7471838 Image data processing apparatus, image data processing method, and computer readable medium  
To reduce the processing required to embed a code into image data and decode the code. The present invention includes a block dividing section 101 that divides original image data 10 into a...
7471724 Method and apparatus for adaptive multiple-dimensional signal sequences encoding/decoding  
A hybrid block matching prediction and transform based n dimensional signal sequence encoder, including an encoder motion estimator, having a cost function. A first embodiment includes an...
7469069 Method and apparatus for encoding/decoding image using image residue prediction  
An encoding method may comprise obtaining a residue corresponding to a difference between the original image and a prediction image with respect to each component of the original image, encoding...
7469070 Method for selection of contexts for arithmetic coding of reference picture and motion vector residual bitstream syntax elements  
A method for determining a context for coding is disclosed. The method generally includes the steps of (A) generating a plurality of results by examining a prediction mode for each of a plurality...
7466865 Method and device for analyzing video sequences in a communication network  
The invention relates to a method of analyzing at least one video sequence present on at least one sending apparatus, in a communication network also comprising at least one receiving apparatus,...
7463687 Method and apparatus for performing high quality fast predictive motion search  
A method and apparatus for performing a predictive motion search in a video encoder system using motion vectors representing the difference in coordinates of a macroblock of data in a current...
7463782 Data encoding with an amplitude model and path between the data and corresponding decoding  
A method of encoding a set of data representing physical quantities includes forming a path between the samples of the set, the path passing a maximum of once via each sample location. For two...
7460723 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...
7460722 Encoding of digital data with determination of sample path  
A method of encoding digital samples of a set of data representing physical quantities, the encoding including the determination of a path among the samples of the set. The method includes...
7460131 Methods and systems for processing image data for display on LC displays  
Embodiments of the present invention comprise methods and systems for processing image data for use on LCD displays.
7460719 Image processing apparatus and method of encoding image data therefor  
An image processing apparatus and method in which moving picture part data, which is used as a moving picture frame, and remaining difference data is generated from the data of a still picture...
7457471 Method of adaptively encoding and decoding motion image and apparatus therefor  
In a method of adaptively encoding input image data of a motion image in accordance with a temporal complexity of the motion image, and an apparatus therefore, the temporal complexity of the input...
7457360 Method and apparatus for encoding image data with pre-encoding scheme, and method and apparatus for recording video using the same  
An encoding apparatus includes a pre-encoding unit that performs learning based on input image data from before starting a video recording; and an encoding unit that encodes image data using an...
7454072 Image recording and compression based on sound detection and image change  
Disclosed is an input image data compressor which comprises an image recording controller for generating image information on respective input objects from the input image data, generating image...
7454020 System and method for encrypting data in pictorial data  
An encryption scheme that uses steganography includes an encryption algorithm that encrypts messages by embedding them in a data stream in such a way that an adversary cannot get information about...
7454073 Video compression using multiple variable length coding processes for multiple classes of transform coefficient blocks  
A method and apparatus to variable length code an ordered series of quantized transform coefficients of an image block. The method classifies the series into one of a plurality of classes. Each...
7451237 Data compression program, data compression method, and data compression device  
A data compression program making a computer perform processing which enables compression of only highly compressible data. First, a transmitter-side device performs compression processing of a...
7450639 Advanced noise estimation method and apparatus based on motion compensation, and method and apparatus to encode a video using the same  
An advanced noise estimation method is provided. The noise estimation method includes calculating motion compensation information of the input picture at a first resolution, calculating the motion...
7447369 Communication of compressed digital images  
A method and apparatus for performing partial image uploads. In one embodiment, the method comprises the server sending a portion of the compressed data of a codestream corresponding to an entire...
7444030 Image encoding with dynamic buffer-capacity-level-based compression adjustment  
Methods, systems, and computer programs for encoding images are described. In one aspect, quantized frequency domain vectors are sequentially generated from a sequence of blocks of the image. Each...
7440632 Technique for performing error diffusion  
A technique to perform error distribution in a graphics system. More particularly, embodiments of the invention include at least one technique to distribute the error resulting from converting...
7440630 Image compressing apparatus that achieves desired code amount  
An apparatus for compressing an image, comprising: a coding unit configured to generate code data by encoding data derived from image data; a memory unit which stores truncation data items...
7437009 Image coding apparatus, image coding method, and image coding program for coding at least one still frame with still frame coding having a higher quality than normal frame coding of other frames  
An image coding apparatus includes a still frame coding judgment unit for judging whether a target frame to be coded is a still frame or not from a difference value between the target frame and an...