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7613352 |
Compression encoder
A DWT unit applies wavelet transform to an input signal to output transform coefficients, and a quantization unit quantizes those transform coefficients with a quantization step size determined...
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7609895 |
Methods and apparatus for performing MQ-decoding operations
Methods and apparatus for providing JPEG decoder functions are described. In particular, features and methods of the present invention are directed to an efficient way of implementing a non-common...
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7606434 |
Apparatus and method for forming a coding unit
An apparatus and a method for forming a data structure that improves error resilience when applied to the coding of hierarchical subband decomposed coefficients, e.g., wavelet transform...
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7602985 |
Multi-scale enveloping spectrogram signal processing for condition monitoring and the like
A signal processing technique that decomposes complex, dynamically changing non-stationary signals from machine components such as bearings into different scales by means of a continuous wavelet...
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7602984 |
Adaptive method and system for encoding digital images for the internet
A system and method comprise defining a current rectangular region of the image bitmap, quantifying spectral characteristics of the current rectangular region, dividing the current rectangular...
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7602983 |
Wavelet transformation apparatus
A wavelet transformation apparatus including a unit that comprises a first adding device that adds a first input signal and a second input signal input by a predetermined order, a first multiplying...
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7602982 |
Method for image coding by rate-distortion adaptive zerotree-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...
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7602978 |
Deriving multiple identifiers from multimedia content
The presently claimed invention relates generally to content identification, such as deriving identifiers from content itself. One claim recites a method including: using a processor, deriving...
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7599567 |
Image encoding apparatus and image encoding method
In an image encoding apparatus, pattern image cut-out means cuts out partial regions of an image of image data and generates pattern images. At the same time, the pattern image cut-out means...
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7599535 |
System and method for tree-model visualization for pulmonary embolism detection
A system and method for tree-model visualization for detecting an abnormality in an anatomical tree structure are provided. The method comprises: fitting a tree-model to an anatomical tree...
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7599095 |
Wavelet-based image processing path
A system is described. In one embodiment, the system comprises an image processing path and a print engine coupled to the image processing path. The image processing path processes an input image...
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7593557 |
Methods of signal processing of data
A method of signal processing of data using a computer by generating a symbolic map of the data using at least one wavelet transform, identifying target sequences in the symbolic map; and...
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7593543 |
Apparatus, system, and method for tracing distribution of video content with video watermarks
Video watermarks are added to video content to trace distribution. The video watermarks are in the form of watermarking pixels. Watermarking modules in individual computers add additional sets of...
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7590298 |
Decompression with reduced ringing artifacts
A process for improving the reconstruction of images compressed by the wavelet-based JPEG2000 specification. The basic reconstruction is followed by an edge-preserving filter (such as a sigma...
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7583849 |
Lossless image compression with tree coding of magnitude levels
Data values, such as residual values based on a predictive value, are compressed based on a number of significant digits used to represent the data value that is termed a magnitude level. Data...
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7583848 |
Scrambling of image portions via color component interchange
An image processing apparatus that is capable of presenting a general overview of the contents of an original image from its corresponding scrambled image is disclosed. The image processing...
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7583847 |
Parsing a JPM file into another JPM file
A method and apparatus for parsing a JPM file into another JPM file are disclosed. In one embodiment, the method comprises accessing a first JPM file and converting the first JPM file to a second...
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7580577 |
Methods, apparatus and computer products for generating JPEG2000 encoded data in a client
Encoded data, which can be used by a versatile JPEG2000 decoder in a client, and can assure a high-speed decode process of the encoded data and a high-speed display process of image data, is...
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7580461 |
Barbell lifting for wavelet coding
A method for encoding motion-compensated video data includes generating, for a current frame, a high-pass wavelet coefficient based on a function of pixels in a temporally adjacent frame. The...
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7577841 |
Watermark placement in watermarking of time varying media signals
A method of placing a watermark in a video stream estimates motion between frames in the video stream, and computes a representative motion for a frame. Before embedding the watermark in that...
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7577308 |
Image data generation with reduced amount of processing
An image data generator for generating data on a size reduced image of an original image. In one embodiment, the image data generator includes: an inverse wavelet transform unit to perform on...
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7577307 |
Fast adaptive lifting lossless wavelet transform
An adaptive lifting transform provides lossless image data compression on an improved edge prediction process. The adaptive predictor works on pixel-by-pixel basis that does not need bookkeeping...
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7577301 |
Multiple page descriptions for the same page
A method and apparatus for using multiple page descriptions for the same page is described. In one embodiment, the method comprises receiving a file in a file format, wherein the file has a...
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7577203 |
Minimizing non-deterministic noise by using wavelet transform
A wavelet transform noise minimization circuit comprises a differential receiver, a voltage comparator, a wavelet transform circuit, an electrical idle (EI) detector circuit, a phase interpolator,...
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7574064 |
Fast lifting lossless wavelet transform
The lifting transform reduces the number of lifting steps in lossless data compression while improving the overall rounding errors incurred in the real-to-integer conversion process at each of the...
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7574061 |
Encoding device and method utilizing table data for selection of bit planes
An encoding process is provided which can easily control the compression rate or guarantee a maximum required processing time when representing the factor data, obtained from a wavelet...
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7570825 |
Method and device for determining a data configuration of a digital signal of an image
A method relates to the of determining a data configuration of a digital signal of an image, the signal having undergone at least one spatio-frequential transformation in at least one resolution...
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7570817 |
Signal compression and decompression
A method of data compression, for example for image or audio signals, comprises encoding the data using a transform such as a wavelet transform or DCT, and transmitting only a predefined number of...
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7570812 |
Super precision for smoothly changing area based on segmentation and low-pass filtering
A super precision image processing system improves the precision of videos and images and eliminates the stage-like artifacts in the smoothly changing areas. In order to obtain higher precision...
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7565023 |
Method for encoding images according to object shapes
A method for encoding images according to object shapes is provided. The method enables reduced usage of storage space when an image encoding system encodes a received image frame. The method uses...
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7565022 |
Bit-plane formatting including zero bit-plane detection
A method and apparatus for accelerating the conversion and detecting image data in pixel format into bit-plane format and bit plane format to pixel format for JPEG2000 compression and decompression...
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7565021 |
Efficient implementation of block-based transform on graphics processing unit
Implementations of transforms, such as a discrete cosine transform (DCT) and inverse DCT on a graphics processing unit (GPU), use direct matrix multiplication. GPU features such as parallel...
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7565020 |
System and method for image coding employing a hybrid directional prediction and wavelet lifting
A system and method that provides an efficient scheme to code images and video by exploiting spatial correlations within an image by employing hybrid directional prediction and lifting wavelet...
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7561208 |
Method and decoder for composing a scene
The present invention relates to a method for composing a scene containing a plurality of objects, an object comprising chrominance and luminance components, a chrominance value being associated...
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7558441 |
Resolution 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...
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7558430 |
Apparatus method and computer-readable medium for processing hierarchical encoded image data
An image processing apparatus reconstructs coded image data, having hierarchical encoded data structure for stepwise decoding from a low resolution toward a high resolution, in accordance with a...
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7555168 |
Method of wavelet coding a mesh object
The invention relates to a method for the coding an object having at leas two dimensions which is associated with a basic mesh comprising a set of basic surfaces and with coefficients in a base of...
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7551788 |
Digital image coding device and method for noise removal using wavelet transforms
A digital image coding device based on wavelet transform technology includes a lower-bitplane replacement section which is provided after a coefficient modeling section and before an arithmetic...
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7548656 |
Method and apparatus for processing image signals by applying a multi-resolution conversion processing for reducing the image size and applying a dyadic wavelet transform
There are described image-processing method and apparatus, which make it possible to reduce the processing load even in the image-processing environment employing the Dyadic Wavelet transform. The...
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7548654 |
Header-based scaling and cropping of images compressed using multi-scale transforms
A method and apparatus are described for performing header-based scaling and cropping of images compressed using multi-scale transforms. In one embodiment, the method for adaptively scaling an...
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7545997 |
Simulated high resolution using binary sub-sampling
In an image processing method, a first raster having a first resolution is divided into a plurality of sub-sampling cells each containing a selected number of neighboring pixels. A pixel from each...
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7542611 |
Image processing apparatus and method for converting first code data sets into second code data for JPEG 2000 and motion JPEG 2000
In an image processing apparatus, first code data including multiple sets of code data in which image data of multiple static images are compressed and encoded, are synthesized. The first code data...
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7538770 |
Tree-based compositing system
A method of rendering a graphical image described by an expression tree is disclosed. The expression tree has one or more parent nodes and one or more leaf nodes, with each parent node representing...
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7532740 |
Method and apparatus for embedding auxiliary information within original data
This patent application is generally related to watermarking and steganography. In one implementation, a method of embedding auxiliary information within original data is provided. The original...
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7529420 |
Method of displaying a thumbnail image, server computer, and client computer
A method of displaying a thumbnail image of the original image of a data file stored in a storage unit on a display unit includes: (a) storing in the storage unit a first compressed code relating...
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7529415 |
Adaptive and progressive protection of fixed images encoded in wavelets
A process for secured distribution of fixed numerical images according to a nominal format resulting from numerical encoding in wavelets, represented by a original stream including a packet...
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7526134 |
Image processing apparatus, program, recording medium, and data decompression method
An image processing apparatus includes a decompressing unit decompressing image data having a first data compression format, an obtaining unit obtaining a second data compression format that is...
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7522778 |
Image decoding technique for suppressing tile boundary distortion
An image decoding device for decoding a hierarchically encoded compressed code obtained by dividing an image into a plurality of tiles and performing discrete wavelet transform on the pixel values...
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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...
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7522315 |
Image processing apparatus with hierarchical encoder
When image data are sent through a network, bit streams of hierarchically encoded JPEG 2000 data of a plurality of pages of a document are formed by prioritizing resolution, and the bit streams of...
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