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Class 382/240 - Pyramid, hierarchy, or tree structure


Subclass of Class 382 - Image analysis
Definition: Subject matter wherein the compression of the image data
No. of patents: 1208
Last issue date: 04/10/2012


1                      
NumberTitleIssue Date
8155462System of master reconstruction schemes for pyramid decomposition
A reconstruction system for digital signals processed by the laplacian pyramid including a master lifting-based parameterization reconstruction scheme. The system also involves the design of low-complexity FIR linear-phase integer-coefficient filtering operators for...
04/10/2012
8155463Pre-processed information embedding system
Auxiliary information (150) representing binary or multi-level (M≧2) logical values is embedded into successive segments (110) of an audio, video or other data signal in response to a user request to download the data signal via an on-line distributo...
04/10/2012
8150184Method and apparatus for encoding/decoding image, computer-readable program therefore, and information recording medium storing same program
An image encoding apparatus reduces the discontinuation or elimination of thin lines during a transform process including rounding of coefficient data generated by a frequency transform, thereby enabling the ready acquisition of a high-quality reduced image. The ima...
04/03/2012
8135226Image encoder, image encoding method, image decoder, and image decoding method
In an image encoder, a first quantization section which is selected when normal image quality is required performs quantization by dividing a wavelet transformation coefficient by a quantization step size and by thereafter rounding down a fraction thereof. On the ot...
03/13/2012
8116580Embedded high frequency image details
A system, method, and process for embedding low frequency image details and high frequency image details into a final digital image file. A digital image file is stored with embedded low and high frequency image details that are accessible with a compatible digital ...
02/14/2012
8116579Method and system for data compression
A method and an apparatus for compressing or decompressing two-dimensional electronic data are provided. The method for compressing the two-dimensional electronic data set includes dividing the data set into data arrays, performing a wavelet transformation on each a...
02/14/2012
8086054Method for locally decoding a bitstream of wavelet coefficients
A method is provided for decoding a data stream representing an object with at least three dimensions, associated with a basic mesh including of an assembly of facets defined by an assembly of vertices and ridges, and with wavelet coefficients corresponding to the l...
12/27/2011
8068683Video/audio transmission and display
The invention presents new methods of compression, transmission, and decompression of video signals providing increased speed and image quality and for protecting against camcorder piracy. Methods based on selecting an anchor frame, wavelet transformation with decim...
11/29/2011
8031956Enhancing video sharpness and contrast by luminance and chrominance transient improvement
An apparatus, system, method, and article for enhancing video sharpness are described. The apparatus may include a media processing node to enhance sharpness of an input image. The media processing node may include a wavelet decomposition module to perform wavelet d...
10/04/2011
8031955Image processing apparatus, image processing method, medium storing program, and computer data signal
An image processing apparatus includes a block setting unit that sets a block having a fixed size to inputted image data; a determining unit that determines whether or not at least a part of an image region included in the block set by the block setting unit is fill...
10/04/2011
8005309Image coding apparatus, image decoding apparatus, image display apparatus and image processing apparatus
A wavelet transform unit performs a wavelet transform on original images and a quantization unit quantizes wavelet transform coefficients. A ROI selector selects a region of interest or regions of interest in the original image, and a ROI mask generator generates RO...
08/23/2011
8000547Method, system and computer program product for providing entropy constrained color splitting for palette images with color-wise splitting
A method, system and computer program product for progressively encoding a digitized color image with M distinct colors by assigning each of the M distinct colors to an associated subset of pixels in the image, is provided. This involves: (a) initializing a tree str...
08/16/2011
7986848Methods, systems, and computer program products for a multi-resolution storage scheme for historical data
A method, system, and computer program product for a multi-resolution storage scheme for historical data are provided. The method includes dividing the historical data into a plurality of time frames and determining an amount of compression for each of the time fram...
07/26/2011
7961964Image 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 performed on the image area, in the horizontal or vertica...
06/14/2011
7961963Methods and systems for extended spatial scalability with picture-level adaptation
Embodiments of the present invention comprise systems and methods for modification of motion vectors in spatial scalable video coding. Some embodiments of the present invention comprise methods and systems designed for use with the Scalable Video Coding extension of...
06/14/2011
7961965Transmitting multimedia with R-tree-based multidimensional hierarchical categorization trees to compress images
An apparatus for transmitting multimedia, the apparatus including an image compression unit for compressing an image portion of a multimedia data frame, an audio compression unit for compressing an audio portion of the multimedia frame, a bit rate manager in communi...
06/14/2011
7949194Method and apparatus for motion estimation
A method for motion estimation and the apparatus thereof are provided. The method for motion estimation uses multi-resolution hierarchial search and allows splitting the optimal block mode at the level of the lowest resolution. The method also allows further splitti...
05/24/2011
7940991Image signal processing apparatus
Reference grid information is supplied from a tiling unit to an order control unit. The order control unit generates three control signals on the basis of the reference grid information and outputs them. The first control signal is a signal for controlling the execu...
05/10/2011
7933460Resolution conversion upon hierarchical coding and decoding
In a decoding method of decoding encoded image data which has been hierarchically encoded in advance, a size of an image to be outputted is determined, and then the encoded image data is decoded up to a layer of hierarchy which is at least one layer more than a mini...
04/26/2011
7920750Method and apparatus for coding positions of coefficients
A method and apparatus for coding positions of data such as coefficients are described. In one embodiment, the method comprises coding data in a vector of data based on indications of whether the data is zero or non-zero identified using a tree data structure and pr...
04/05/2011
7916960Compression encoder, compression encoding method and program
A rate control unit performs data truncation on a code sequence having been sorted and bit shifted as shown in FIG. 10 so that a desired noise reduction effect is achieved. The data truncation occurs in sequence from the rightmost bit. For example, in FIG.
03/29/2011
7916961Compression encoder, compression encoding method and program
A rate control unit performs data truncation on a code sequence having been sorted and bit shifted as shown in FIG. 10 so that a desired noise reduction effect is achieved. The data truncation occurs in sequence from the rightmost bit. For example, in FIG.
03/29/2011
7907785Image processing apparatus and image processing method
An image processing apparatus includes an input unit that inputs image data; and an analysis filtering unit that generates coefficient data of a plurality of subbands by performing analysis filtering of the image data input by the input unit for each predetermined n...
03/15/2011
7903893Method, system and computer program product for entropy constrained color splitting for palette images with pixel-wise splitting
A method, system and computer program product are provided for progressively encoding a digitized color image using a data processing system, the digitized color image being provided by assigning each of M distinct colors to at least one pixel in a set of pixels. Th...
03/08/2011
7889937Method of spatial and SNR picture compression
The versatile method of spatial and SNR scalable picture compression comprises: high resolution encoding (202a) an input picture (vi) yielding high resolution encoded data (coHR,LQ), being the base data; deriving a first down-scaled representative pict...
02/15/2011
7865028Code processing apparatus and code processing method
A code processing apparatus for generating a file including a JPEG 2000 codestream or a JPEG 2000 family format including the JPEG 2000 codestream is disclosed that includes a packet arranging part for arranging the order of a plurality of packets included in the JP...
01/04/2011
7865027Method and apparatus for encoding and decoding image data
A method of encoding image data, and an apparatus to perform the method, the method including repeating a process of dividing a block into sub-blocks based on an average value of pixels of the sub-blocks; creating map information of the sub-blocks; determining a mod...
01/04/2011
7848584Reduced dimension wavelet matching pursuits coding and decoding
Embodiments related to coding and/or decoding data, including for example image data, using wavelet transform and matching pursuits are disclosed. In some embodiments, a wavelet transform is applied to data to produce transformed data. The transformed data is scanne...
12/07/2010
7840083Method of encoding flag, method of decoding flag, and apparatus thereof
A method of encoding flags, a method of decoding flags and an apparatus thereof, in which flag encoding and decoding can be efficiently performed by using spatial correlation between various flags included a plurality of blocks are provided. The method includes coll...
11/23/2010
7831104Using geometric wavelets based on active contours for signal processing
Certain embodiments provide systems and methods for using geometric wavelets based on active contours for signal processing. Certain embodiments may allow image processing. A system includes providing an image processing circuitry that computes a segmentation tree u...
11/09/2010
7822282Moving image coding apparatus, moving image decoding apparatus, control method therefor, computer program, and computer-readable storage medium
This technique prevents errors from being gradually accumulated on the decoding side, while maintaining high scalability, even when transformation to subbands as a plurality of frequency components is used for moving image coding. The image data of one input frame i...
10/26/2010
7817869Variable support robust transform for multiple description coding
A multi-level transform generates descriptions containing compressed data that represents source data using a description generation operation and variable support filters for compaction at each level. The initial level filters the source data and each subsequent le...
10/19/2010
7813573Data coding and decoding with replicated matching pursuits
Embodiments related to coding data using a motion compensated transform, and replicated matching pursuits are disclosed. In some embodiments, a motion compensated transform is applied to an original image sequence to produce a transformed image sequence, and a repli...
10/12/2010
7792376Compression 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 shifting with a quantization step size determined by target image quality ...
09/07/2010
7792375Rate control system
In a rate control system, an MMU temporarily stores in a mass storage an input bit stream including compressed and encoded data which is compressed and encoded according to the JPEG2000 standard. The MMU then reads out data from the mass storage and outputs it to a ...
09/07/2010
7747096Method, 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 blocks. The decoding method may include receiving an input of a bitstream,...
06/29/2010
7734107System and method for performing wavelet-based texture feature extraction and classification
A system and method are disclosed for performing wavelet-based local texture feature extraction and classification procedures. Image data is initially provided to include a query image and a series of test images. A feature detector calculates image parameters corre...
06/08/2010
7729551Method for controlling the amount of compressed data
A method is disclosed for controlling the amount of compressed data. One or more viewing condition parameters are specified, and a quantizer step size for each frequency subband is determined that minimizes an amount of data that must be encoded for a compressed rep...
06/01/2010
7702170Method of block coding of image
A method of block encoding of an image includes partitioning an image into a plurality of blocks each having a plurality of pixels corresponding to a first matrix, obtaining a first block from the plurality of blocks, rearranging pixels of the first block for genera...
04/20/2010
7680348System and method for compressing and scaling images
A system and method for compressing digital images is provided. The method includes receiving an input image having a dimension d and a target dimension constraint dt, and determining a number of resolution levels R for generating an image having correspo...
03/16/2010
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