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7792376 Compression encoder, compression encoding method and program  
A DWT unit applies wavelet transform to an input image signal to output transform coefficients, and on those transform coefficients, a quantization unit performs quantization, sorting and bit...
7792193 Image encoding/decoding method and apparatus therefor  
An image encoding method includes generating a predictive signal and encoding mode information according to each encoding mode from a macroblock signal corresponding to each macroblock, selecting...
7787605 Conference bridge which decodes and responds to control information embedded in audio information  
Disclosed herein are methods, systems, and devices for improved audio, video, and data conferencing. The present invention provides a conferencing system comprising a plurality of endpoints...
7783120 Multi-resolution 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...
7773820 Data compression apparatus and data compression program storage medium  
A data compression apparatus includes a thinning section that thins numerical values from a succession of values constituting compressed data to create first and second compressed data; a...
7769083 Image processing and transmission using high and low compression ratios depending on image change conditions  
In an image processing method of sequentially loading, compressing, and transmitting images to thereby display the images, there is provided the image processing method capable of preventing the...
RE41458 Adaptive variable-length coding and decoding methods for image data  
An adaptive variable-length coding/decoding method performs an optimal variable-length coding and decoding depending on an intra mode/inter mode condition, quantization step size and a current...
7756349 Image processing apparatus and computer-readable storage medium  
Provided are an image processing apparatus and a computer-readable storage medium capable of adjusting to an optimum bit rate. In a case where an average bit rate is smaller than a target bit...
7756345 Image compression data processing method, and image compression data processing apparatus  
There is provided an image compression data processing method, including: dividing compressed image data into plurality of compressed partial image data and describing the plurality of compressed...
7751632 Intelligent, dynamic, long-term digital surveilance media storage system  
An Intelligent, dynamic, long-term digital Surveillance Media storage System (ISMS), proposes an intelligent, dynamic, digital media storage mechanism for digital surveillance applications that...
7751638 Adaptive quantizer  
A quantizer can be used to adjust the number of bits representing each sample value in a signal. Then, each received sample is allocated to one of a number of bins, with each bin corresponding to...
7751633 Method for compressing an image  
In a method for compressing an image, source data is converted into a series of blocks each containing one or more colors. A baseline target block size is determined based upon a target...
7751634 Compression system for integrated sensor devices  
An imaging system incorporating adaptive compression which includes determining linear predictive differential residuals from an imager array pixel row. The differential residuals are classified...
7747096 Method, medium, and system encoding/decoding image data  
A method, medium, and system encoding and/or decoding image data by dividing image data into block units, and generating a bitstream by entropy encoding the image data in order of the divided...
7747091 Systems and methods for section-by-section processing of a digital image file  
Systems and methods for section-by-section processing of the digital image file are disclosed. More specifically, the disclosed systems and methods operate in stages to select portions, but not...
7747095 Methods and systems for rate control in image compression  
Methods and systems for compressing an image are described. A plurality of transformed and quantized values associated with a block of image data is accessed. The block corresponds to a position...
7747094 Image encoder, image decoder, image encoding method, and image decoding method  
An input image signal 101 is divided into MC block units and, when coding processing is performed in these divided units, a motion compensation section 107 generates a motion-compensated...
7742648 Image information encoding apparatus and image information encoding method for motion prediction and/or compensation of images  
The present invention is directed to an image information encoding apparatus (10) used, in receiving compressed image information through network media, when processing of such compressed image...
7742649 Method and system for image compression using image symmetry  
An image compression system and method is described, which makes use of the symmetry found in faces and heads to perform the compression. The image is divided along the line of symmetry, and pairs...
7738726 Block distortion reduction apparatus  
A block distortion reduction apparatus, enabling easy processing by a small-sized circuit configuration and enabling generation of block distortion reduction parameters by any area unit inside a...
7738716 Encoding and decoding apparatus and method for reducing blocking phenomenon and computer-readable recording medium storing program for executing the method  
Provided is an encoding method capable of reducing a blocking phenomenon that occurs when moving-images are encoded and decoded. The method includes: performing a first encoding operation on an...
7734105 Multi-mode image processing  
An image encoding and decoding scheme operable according two different modes depending on properties of the processed image is disclosed. In the encoding, an image is decomposed into image blocks...
7733249 Method and system of compressing and decompressing data  
The present invention relates to a data compression and decompression system and method for lossless compressing digital data. In one preferred embodiment, the method for handling a data stream...
7734106 Method and apparatus for dependent coding in low-delay video compression  
An apparatus comprising an encoder circuit and a storage circuit. The encoder circuit may be configured to generate a reliability score and a referral score for each partition in an input data...
7733380 Method and/or architecture for controlling encoding parameters using integrated information from camera ISP  
A camera including a first circuit and a second circuit. The first circuit may be configured to perform image signal processing and control one or more functions of the camera using image signal...
7729547 Image forming apparatus and image forming method  
An image forming apparatus and method capable of decompressing and compressing image data. More specifically, the apparatus and method include decompressing first compressed image data, processing...
7728739 Entropy codec with variable divisor  
Data values are encoded for transmission to a recipient on a communication channel. Performance information associated with the encoding or the communication channel is obtained and used at least...
7724972 Quality metric-biased region-of-interest coding for video telephony  
The disclosure is directed to techniques for region-of-interest (ROI) coding for video telephony (VT). The disclosed techniques include a technique for generation of a quality metric for ROI...
7719579 Digital camera architecture with improved performance  
A digital camera acquires a first image in a sequence of images by loading it into a unified memory space of the digital camera in a first order and processing it in a second order. Before the...
7720297 Image coding apparatus  
An image coding apparatus includes: an entropy coding unit for outputting code data based on control information for every coding pass; a rate control information extracting unit for judging both...
7715640 Image processing device, image processing method, image processing program and computer-readable recording medium on which the program is recorded  
An image processing device includes a region extraction unit, a region compression unit, and a region synthesis unit for synthesizing the image data of the regions compressed by the region...
7715658 Apparatus and method for super-resolution enhancement processing  
Provided is an apparatus and method for super-resolution enhancement processing. The apparatus includes a low-resolution image capturing unit, a patch pair generating unit, a patch pair database,...
7715636 Decoding apparatus, dequantizing method, distribution determining method, and program thereof  
A decoding apparatus includes a random-number generating section and a decoding section. The random-number generating section generates random numbers according to distribution of original data...
7715639 Data encoding apparatus, data decoding apparatus, data encoding method, data decoding method, and recording medium recorded with program  
This data encoding apparatus includes: a prediction unit for calculating a prediction value of target data using read data; a subtractor for calculating a prediction error value, which is the...
7714753 Scalable context adaptive binary arithmetic coding  
One embodiment of the invention concerns performing renormalization in content adaptive binary arithmetic coding (CABAC) only after multiple bins are processed.
7711197 Method and apparatus for determining a quantization scale of encoded data  
A bit rate by which encoded data is supplied for decoding at the time of decoding is specified based on the encoded data obtained by encoding. Further, an encoding difficulty of processed data is...
7706622 Image coding apparatus and image coding method  
There is provided an image coding apparatus including a mode selection unit arranged to select an input image type, an input unit arranged to input image data in accordance with an output of the...
7702179 Method and related compensation circuit for compensating black cores of an image sensor  
A method for compensating black cores includes detecting whether an external illumination level of an image device is greater than a predetermined illumination value. The method includes detecting...
7697608 Scalable MPEG video/macro block rate control  
A scaleable macro block rate control method particularly well-suited for MPEG video. There is provided a method to easily derive a quantization parameter (QP) value using information such as bit...
7697771 Method and apparatus for compressing and decompressing images  
A method and apparatus for encoding (622) digital image data wherein a region of interest (606) can be specified either before the encoding process has begun or during the encoding process, such...
7689051 Predictive lossless coding of images and video  
Predictive lossless coding provides effective lossless image compression of both photographic and graphics content in image and video media. Predictive lossless coding can operate on a macroblock...
7688231 Transmission of pathological data patterns  
A method and apparatus is presented for reducing or eliminating pathological data patterns from signals for transmission over optical communications systems. One embodiment includes a...
7689050 Image processing apparatus and method with a histogram of the extracted DC components  
An image processing apparatus extracts DC components of an image, generates a histogram of the extracted DC components, and detects a background level of the image based on the histogram.
7684629 Data compression apparatus, and data compression program storage medium  
According to a data compression apparatus for compressing data such as image data, there is determined a difference between adjacent numerical values on the continuity of numerical values...
7683908 Methods and systems for adaptive image data compression  
Aspects of the present invention relate to methods and systems for processing image data for use on LCD displays. Some aspects relate to an adaptive image compression techniques for liquid crystal...
7684632 Estimating image compression quantization parameter values  
Methods, machines, systems and machine-readable instructions for processing an image are described. In one aspect, the image is divided into a population of image blocks. Frequency domain vectors...
7680346 Method and apparatus for encoding image and method and apparatus for decoding image using human visual characteristics  
An image encoding method and apparatus capable of improving image compression efficiency by using human psycho-visual characteristics are provided. In the image encoding method and apparatus, an...
7676082 Method and architecture for compressing image data acquired from a Bayer color filter array  
For each color channel, the process includes gathering Bayer pattern pixel values by pairs, each pair being composed by two successive pixels belonging to the channel along the scanning direction...
7676097 Bit shift processing in wavelet-based image codecs  
A digital image encoding device, which encodes digital image data using a discrete wavelet transform, includes a coefficient bit shift processing unit that performs bit shift processing on a...
RE41154 Adaptive variable-length coding and decoding methods for image data  
An adaptive variable-length coding/decoding method performs an optimal variable-length coding and decoding depending on an intra mode/inter mode condition, quantization step size and a current...