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7437010 Method for imaging coding by rate-distortion adaptive zero-tree-based residual vector quantization and system for effecting same  
Methods and systems for encoding, transmitting and decoding digital images by rate-distortion adaptive zerotree-based residual vector quantization are disclosed. A method of the invention includes...
7433528 Image processing apparatus  
In an image processing apparatus that performs image processing including a plurality of steps that do not need to be executed simultaneously, processing circuits used in steps that do not need to...
7433527 Time series data dimensional compression apparatus  
A time series data dimensional compression apparatus performing dimensional compression for improving the efficiency of searching for time series data without losing the features of data. The...
7433526 Method for compressing images and image sequences through adaptive partitioning  
An image is compressed by selectively performing at least one of palettization and interframe coding on certain regions of the image. The regions are adaptively determined.
7430329 Human visual system (HVS)-based pre-filtering of video data  
An adaptive pre-processing technique is provided to reduce perceptually unimportant information in a frame (such as some of the high frequency information) so as to optimize compression efficiency...
7430330 Method and apparatus for optimizing a JPEG image using regionally variable compression levels  
A method of JPEG compression of an image frame divided up into a plurality of non-overlapping, tiled 8×8 pixel blocks Xi. A global quantization matrix Q is determined by either selecting a...
7426309 Method of controlling encoding rate, method of transmitting video data, encoding rate controller for video encoder, and video data transmission system using the encoding rate controller  
A method of controlling an encoding (bit) rate and a method of transmitting video data, and an encoding (bit) rate controller for a video encoder and a video data transmission system employing the...
7425963 Hierarchical image feature-based visualization  
A method of visualizing and retrieving data files includes displaying a plurality of images representing data files on a display device using a first distance metric between each data file. A...
7426308 Intraframe and interframe interlace coding and decoding  
Techniques and tools for encoding and decoding video images (e.g., interlaced frames) are described. For example, a video encoder or decoder processes 4:1:1 format macroblocks comprising four 8×8...
7424162 Image compression system with coding quantity control  
An apparatus and method to preferentially select code quantity from DPCM path in a manner to satisfy the target code quantity thereby preventing deterioration of image quality. Code quantities...
7421137 Block entropy coding in embedded block coding with optimized truncation image compression  
Embedded block entropy coding with optimized truncation is useful for image compression schemes in conjunction, for example, with a Wavelet transform, so as to form a bit-stream which can be...
7421134 Image processing apparatus and method for moving object-adaptive compression  
An image processing apparatus is adapted to a surveillance camera system, and a CPU included in the surveillance camera system divides a plurality of continuous screens of an image signal into a...
7418134 Method and apparatus for foreground segmentation of video sequences  
The present invention relates to a method and system for foreground segmentation in which frames of a video sequence are analyzed in the transform domain to determine one or more features. The...
7415161 Method and related processing circuits for reducing memory accessing while performing de/compressing of multimedia files  
Method and apparatus for reducing memory access while de/compressing multimedia files, videos, or image files. An image is divided into blocks, and a frequency data matrix corresponding to a...
7409093 Method and apparatus for encoding video signals  
A method for a video encoder to encode video data into a video bit stream, the video data includes at least a picture, the picture includes a plurality of blocks, the method includes: receiving an...
7409098 Image processing apparatus and method for coding with complexity-based quantization  
An image processing apparatus is provided that can define the change amount of a quantizing parameter by suitably reflecting the complexity of image data in the case, when the quantizing parameter...
7408487 Method and apparatus for CABAC-based encoding having high compression ratio using improved context model selection and method and apparatus for CABAC-based decoding  
A method and an apparatus are provided for context-based adaptive binary arithmetic coding (CABAC) based encoding or decoding using improved selection of a context model for a high compression...
7408989 Method of video encoding using windows and system thereof  
A first search window within a reference frame of video data is identified along with a first correlation threshold value for the first window. The first correlation threshold value is a value to...
7409097 Video encoding using variable bit rates  
A system and method is provided for variable bit rate encoding using a complexity ratio. Quantization parameter is calculated using a complexity ratio, which is equal to a local complexity divided...
7409099 Method of improved image/video compression via data re-ordering  
A method of image and video compression including data re-ordering to improve the performance of the core compression algorithm. In the inventive method, pixel values of at least part of an image...
7406207 Multi-point predictive foveation for bandwidth reduction of moving images  
A scene of an image sequence is transmitted that has been compressed using a number of foveation zones, each foveation zone being weighted based on a probability of a viewer looking at a...
7406202 Image processing apparatus, image compression apparatus, image processing method, image compression method, program, and recording medium  
An image processing apparatus for generating data to be used for image processing, in which the image processing apparatus includes, a dividing unit dividing code data of a compressed image into a...
7397960 Method of and computer system for executing area-division and compression of document image  
A personal computer is operable to sectionalize a document image to form a plurality of image areas each having an attribute associated with a compression mode. Then, it is determined whether the...
7397961 Apparatus and methods for digital image compression  
Methods and systems for compression of digital images (still or motion sequences) are provided wherein predetermined criteria may be used to identify a plurality of areas of interest in the image,...
7394851 Encoding apparatus and method, and multiplexing apparatus and method  
An encoder to encode video streams representing a moving picture is provided whose video encoder calculates a bit storage quantity an STD video buffer should have when input of a stream ending...
7391912 Palettized image compression  
An adaptive entropy coder is coupled with a localized conditioning context to provide efficient compression of images with localized high frequency variations. In one implementation, an arithmetic...
7391808 System and method for upgrading processing capabilities of a media center  
Video data encoded according to new compression standards may be processed by an existing client terminal using an adaptive module that transcodes the video data into a format compatible with the...
7388994 Method for reducing IDCT calculations in video decoding  
Reduced complexity inverse discrete cosine transform (IDCT) masks and a method for reducing the number of IDCT calculations in video decoding are provided. The method comprises: accepting an n×m...
7388585 Method, system and device for efficient distribution of real time three dimensional computer modeled image scenes over a network  
The present invention is related to a method, system and device for distributing in real time data related to three dimensional computer modeled images scenes over a network. To provide a faster...
7379608 Arithmetic coding for transforming video and picture data units  
A method for encoding a video frame or picture comprises dividing up the video frame or the picture in portions of a first type associated with a first scanning pattern, and portions of a second...
7373004 Apparatus for constant quality rate control in video compression and target bit allocator thereof  
An apparatus for constant quality rate control in moving picture compression. First, a total activity measure for the current picture to be encoded in a set of consecutive pictures is calculated....
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...
7373005 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...
7369707 Intra-picture prediction coding method  
The intra-picture prediction coding apparatus 150a is comprised of: an intra-picture prediction mode candidate determination unit 156a that determines intra-picture prediction mode candidates by...
7369706 Image-data processing device, image-data processing method, image-data distributing device and image-data transmitting system  
An image processing device for processing an original image divided into a plurality of blocks that are made up of a plurality of picture elements from encoded image-data which is obtained by...
7369066 Efficient 8×8 CABAC residual block transcode system  
A circuit generally including a first module, a second module and a third module is disclosed. The first module may be configured to (i) generate a plurality of parsed residual blocks by parsing a...
7365775 Image compression apparatus and method, image regeneration apparatus, camera and camera system  
A process and apparatus for displaying and recording image data can be smoothly performed in characteristic methods by computing a quantization parameter for use in compression of image data,...
7365660 Method and device for decoding syntax element in CABAC decoder  
A method and a device for decoding a syntax element in a context-based adaptive binary arithmetic coding (CABAC) decoder perform a binary arithmetic coding (BAD) process and a binarization...
7362806 Object activity modeling method  
An object activity modeling method which can efficiently model complex objects such as a human body is provided. The object activity modeling method includes the steps of (a) obtaining an optical...
7362908 Adaptive generation of Q-table2 for improved image quality  
Brightness correction and image enhancement are derived to compensate for changes in captured image data by hardware scanners and the like by statistically measuring the captured data and...
7359561 Picture encoding with wavelet transform and block area weights  
In wavelet transform encoding, high-quality encoding is to be realized by enabling picture quality control from one fractional area to another. An input picture 100 is read out in an amount...
7359549 Imaging device, image processing method, and recording medium  
An image processing method includes obtaining raw image data of an object by generating the object by an imager that generates an image of the object with color decomposition, decomposing the raw...
7356191 Image encoding apparatus and method, program and recording medium  
In an image encoder is provided, including a to-be-encoded object prediction unit which counts quantization coefficients which are newly made significant, for example, when each bit plane is...
7349473 Method and system for selecting interpolation filter type in video coding  
A method and system for coding a video sequence based on motion compensated prediction, wherein an interpolation filter is used to generate predicted pixel values for picture blocks in the video...
7346640 Image processing apparatus supporting both discrete cosine transform and discrete wavelet transform  
An image processing apparatus supporting both discrete wavelet transform and discrete cosine transform with reduced hardware resources. The image processing apparatus is composed of an input unit...
7343043 Image compression apparatus, method and recording medium storing an image compression program  
An image compression apparatus and method, and a carrier wave encoded with a computer readable control program having instructions for use by a computer, perform an image compression process. A...
7343045 Image information compression device  
This invention controls the code generation quantity adaptively with respect to the pattern of images and changes in the images, etc., so as to alleviate degradation in image quality, and to...
7340102 Decoding apparatus using tool information for constructing a decoding algorithm  
A coding and decoding apparatus is constructed so that the coding side transmits coded data together with identifying information for identifying the device of decoding the coded data, and the...
7333661 Image coding device image coding method and image processing device  
Even in the case of coding the input image by dividing into tiles, a fine image quality adjustment is possible based on the characteristic of each tile. The input image signal is transformed to...
7327290 Image-decoding system with multi-run mechanism and method thereof  
An image-decoding system with multi-run mechanism and method thereof are described. The image-decoding system with multi-run mechanism comprises IDLE, COEFF_READ, HUFF_ADDR_LOG, HUFF_ADDR_PHY,...