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Entropy patents



      
           
This page is updated frequently with new Entropy-related patent applications. Subscribe to the Entropy RSS feed to automatically get the update: related Entropy RSS feeds. RSS updates for this page: Entropy RSS RSS


Random number generator

Date/App# patent app List of recent Entropy-related patents
08/28/14
20140245020
 Verification system and method with extra security for lower-entropy input records patent thumbnailnew patent Verification system and method with extra security for lower-entropy input records
An authentication system for digital records has a hash tree structure that computes an uppermost, root hash value that may be digitally signed. A random or pseudo-random number is hashed together with hash values of the digital records and acts as a blinding mask, making the authentication system secure even for relative low-entropy digital records.
08/28/14
20140244702
 Random number generator patent thumbnailnew patent Random number generator
A random number generator includes oscillating units configured to generate entropy sources and amplify the generated entropy sources, an entropy source combination unit configured to receive the entropy sources output from the oscillating units and combine the entropy sources to increase entropy, a sampling unit configured to sample a signal output from the entropy source combination unit in response to a sampling clock, and a clock generator and control unit configured to control the oscillating units and generate the sampling clock.. .
08/28/14
20140244604
 Predicting data compressibility using data entropy estimation patent thumbnailnew patent Predicting data compressibility using data entropy estimation
The subject disclosure is directed towards predicting compressibility of a data block, and using the predicted compressibility in determining whether a data block if compressed will be sufficiently compressible to justify compression. In one aspect, data of the data block is processed to obtain an entropy estimate of the data block, e.g., based upon distinct value estimation.
08/28/14
20140241999
 Peptide linkers for effective multivalent peptide binding patent thumbnailnew patent Peptide linkers for effective multivalent peptide binding
Short single chain peptides having affinity for a target surface often lack the binding durability required for certain commercial applications. One way to improve durability is to promote multivalent binding by linking together binding sequences using peptide linkers.
08/28/14
20140241438
 Methods, devices and systems for parallel video encoding and decoding patent thumbnailnew patent Methods, devices and systems for parallel video encoding and decoding
A method for decoding a video bitstream is disclosed. The method comprises: entropy decoding a first portion of a video bitstream, wherein first portion of video bitstream is associated with a video frame, thereby producing a first portion of decoded data; entropy decoding a second portion of video bitstream, wherein second portion of video bitstream is associated with video frame, thereby producing a second portion of decoded data, wherein entropy decoding second portion of video bitstream is independent of entropy decoding first portion of video bitstream; and reconstructing a first portion of video frame associated with video bitstream using first portion of decoded data and second portion of decoded data..
08/28/14
20140241423
 Image coding and decoding methods and apparatuses patent thumbnailnew patent Image coding and decoding methods and apparatuses
An embodiment of the present invention provides an image coding method, where the coding method includes: performing predictive coding on an image; performing transform coding on the image on which the predictive coding has been performed; performing, by using a quantization matrix, quantization coding on the image on which the transform coding has been performed, where the quantization matrix is a matrix reflecting image quantization step information, the quantization matrix includes an m*n quantization matrix and an n*m quantization matrix, and the n*m quantization matrix is obtained by transposing the m*n quantization matrix; and performing entropy coding on the image on which the quantization coding has been performed, and coding the m*n quantization matrix, so as to generate a code stream. In the present invention, the number of bits required for coding a quantization matrix is effectively saved, thereby improving compression efficiency..
08/21/14
20140236574
 Automated context-based unique letter generation patent thumbnailAutomated context-based unique letter generation
The automated generation of a unique letter or unique letters using one or more context variables for the letter. The contextual variables may represent author characteristics, audience characteristics, tone, word diversification, letter type, and so forth.
08/21/14
20140233652
 Scalable multi-thread video decoding patent thumbnailScalable multi-thread video decoding
Decoding tasks are identified for decoding encoded video. Decoding tasks may include entropy decoding tasks, motion compensation tasks, inverse frequency transform tasks, inverse quantization tasks, intra decoding tasks, loop filtering tasks, or other tasks.
08/14/14
20140229186
 Entropy encoding and decoding using direct level and run-length/level context-adaptive arithmetic coding/decoding modes patent thumbnailEntropy encoding and decoding using direct level and run-length/level context-adaptive arithmetic coding/decoding modes
An encoder performs context-adaptive arithmetic encoding of transform coefficient data. For example, an encoder switches between coding of direct levels of quantized transform coefficient data and run-level coding of run lengths and levels of quantized transform coefficient data.
08/14/14
20140226890
 Simple method to denoise ratio images in magnetic resonance imaging patent thumbnailSimple method to denoise ratio images in magnetic resonance imaging
A simple method to denoise ratio images in magnetic resonance imaging, includes generating a mri sequence provided for acquiring data from an object to be imaged, wherein the mri sequence is configured for generating at least two different standard images, respectively a first standard image and a second standard image, acquiring the two different standard images, and combining the two different standard images in a ratio image. The ratio image is obtained by calculating a ratio of the first standard image and the second standard image that is tunable by a parameter γ wherein the parameter γ is automatically chosen for maximizing the negentropy of the ratio image..
08/14/14
20140226728
Apparatus and method for buffering context arrays referenced for performing entropy decoding upon multi-tile encoded picture and related entropy decoder
A buffering apparatus for buffering context arrays of a multi-tile encoded picture having a plurality of tiles includes a first buffer and a second buffer. The first buffer is arranged to buffer a first context array referenced for performing entropy decoding upon a first tile of the multi-tile encoded picture.
08/14/14
20140226724
System and method for the dynamic reduction of the entropy of a signal upstream to a data compression device
A system is proposed for dynamic reduction of the entropy of a signal upstream to a data compression device. The signal includes a set of successive frames.
08/07/14
20140223149
Method of entropy randomization on a parallel computer
Method, system, and computer program product for randomizing entropy on a parallel computing system using network arithmetic logic units (alus). In one embodiment, network alus on nodes of the parallel computing system pseudorandomly modify entropy data during broadcast operations through application of arithmetic and/or logic operations.
08/07/14
20140223148
Method of entropy randomization on a parallel computer
Method, system, and computer program product for randomizing entropy on a parallel computing system using network arithmetic logic units (alus). In one embodiment, network alus on nodes of the parallel computing system pseudorandomly modify entropy data during broadcast operations through application of arithmetic and/or logic operations.
08/07/14
20140222880
Method and apparatus for generating random numbers using a physical entropy source
A method and apparatus for generating random binary sequences from a physical entropy source having a state a and a state b by detecting whether the physical entropy source is in the state a or in the state b, attempting to shift the state of the physical entropy source to the opposite state in a probabilistic manner with less than 100% certainty, and producing one of four outputs based on the detected state and the state of the physical entropy source before the attempted shift. The outputs are placed in first and second queues and extracted in pairs from each queue.
08/07/14
20140222747
Learning with noisy labels from multiple judges
A system and method infer true labels for multiple items. The inferred labels are generated from judgments.
08/07/14
20140221780
Complexity based methods and systems for detecting depression
Major depression can affect multiple physiologic systems. Analysis of signals that reflect integrated function may be useful in probing dynamical changes in this syndrome.
08/07/14
20140219335
Method and apparatus for entropy encoding using hierarchical data unit, and method and apparatus for decoding
Provided are video encoding and decoding methods and apparatuses. The video encoding method includes: encoding a video based on data units having a hierarchical structure; determining a context model used for entropy encoding a syntax element of a data unit based on at least one piece of additional information of the data units; and entropy encoding the syntax element by using the determined context model..
07/31/14
20140210652
Entropy coding
An encoder for encoding a sequence of symbols is described which has an assigner configured to assign a number of parameters to each symbol of the sequence of symbols based on information contained within previous symbols of the sequence of symbols; a plurality of entropy encoders each of which is configured to convert the symbols forwarded to the respective entropy encoder into a respective bitstream; and a selector configured to forward each symbol to a selected one of the plurality of entropy encoders, the selection depending on the number of parameters assigned to the respective symbol.. .
07/24/14
20140205199
Storage area and temporal based optimized run length codec for classic jpeg image compression (sat-borl codec)
This invention optimizes the entropy encoding part of jpeg (joint photographic experts group) image compression by modifying the run length encoding method that performs the actual compression by removing the redundancy from transformed and quantized image data. Using the fact that the preceding processes of run length coding, in jpeg compression algorithm, produces a large number of zeros, the original run length coding uses an ordered pair (a,b), where ‘a’ is the length of consecutive zeros preceding the ascii character ‘b’.
07/24/14
20140205198
Image encoding apparatus
An image encoding apparatus is provided which realizes an encoding process at a high bit rate without degradation in image quality at boundary parts within a picture. The image encoding apparatus 1 includes: a plurality of entropy encoding sections 105 and 106 for generating bit streams by entropy-encoding intermediate data generated from syntax elements of image data; and an encoding control section 104 for supplying the intermediate data to any of the entropy encoding sections.
07/24/14
20140205086
Apparatus for encrypting data
An apparatus for encrypting data is provided. The apparatus is capable of symmetrically encrypting data and then encrypting the symmetrically encrypted data with the aid of a bit string.
07/24/14
20140205009
Method and apparatus for spatially scalable video compression and transmission
A method and apparatus provide the ability to resample video frame into various resolutions, and to predict, quantize, and entropy code the video signal for spatially scalable compression and networking applications. The solution involves a unified re-sampling and estimation-theoretic prediction, quantization, and entropy coding framework, which by design is tailored to allow base layer coding information to be fully accessible and usable by enhancement layers; and for the enhancement layer to account for all available information from both layers for superior compression performance.
07/17/14
20140200885
Audio visual signature, method of deriving a signature, and method of comparing audio-visual data background
The invention relates to the analysis of characteristics of audio and/or video signals for the generation of audio-visual content signatures. To determine an audio signature a region of interest for example of high entropy—is identified in audio signature data.
07/17/14
20140199782
Method to screen high affinity antibody
The current invention reports a method for producing an antibody comprising the steps of a) providing a plurality of hybridoma cells each expressing an antibody, b) determining the time dependent amount of said antibody bound to the respective antigen by surface plasmon resonance at different temperatures and different antibody concentrations, c) calculating with the time dependent amount determined in b) based on equations (ii) to (xiii) at least the thermodynamic parameters (i) standard association binding entropy (Δs°‡ass), (ii) standard dissociation binding entropy (Δs°‡diss), (iii) standard binding entropy (Δs°), (iv) free standard binding enthalpy (Δg°), (v) standard dissociation free binding enthalpy (Δg°‡diss), (vi) standard association free binding enthalpy (Δg°‡ass), (vii) −tΔs°, (viii) dissociation rate constant kd, (ix) equilibrium binding constant kd, and (x) association rate constant ka, d) selecting a hybridoma cell producing an antibody with at least two of the following: i) a standard association binding entropy of less than 10 j/k*mol, ii) an absolute standard dissociation binding entropy of 100 j/mol*k or more, iii) an absolute standard binding entropy of 100 j/mol*k or more, e) producing an antibody by cultivating said selected cell under conditions suitable for the expression of said antibody and recovering said antibody from the cells or/and the cultivation medium.. .
07/17/14
20140198841
Context intialization in entropy coding
A decoder includes an entropy decoder configured to derive a number of bins of the binarizations from the data stream using binary entropy decoding by selecting a context among different contexts and updating probability states associated with the different contexts, dependent on previously decoded portions of the data stream; a desymbolizer configured to debinarize the binarizations of the syntax elements to obtain integer values of the syntax elements; a reconstructor configured to reconstruct the video based on the integer values of the syntax elements using a quantization parameter, wherein the entropy decoder is configured to distinguish between 126 probability states and to initialize the probability states associated with the different contexts according to a linear equation of the quantization parameter, wherein the entropy decoder is configured to, for each of the different contexts, derive a slope and an offset of the linear equation from first and second four bit parts of a respective 8 bit initialization value.. .
07/10/14
20140195576
Hardware random number generator
A random number generator may include an input configured to receive a plurality of entropy bits generated by an entropy source of a random number generator, wherein the random number generator is configured to generate a plurality of random numbers; and an entropy health monitor coupled with the input, wherein the entropy health monitor is configured to perform a corrective action based on the plurality of entropy bits.. .
07/10/14
20140193072
Adaptive background estimation
Various methods and systems are provided for adaptive background estimation. In one embodiment, among others, a signal processing device includes at least one processing unit and a memory storing a background estimation system executable in the at least one processing unit.
07/10/14
20140192979
Method and apparatus for generating large numbers of encryption keys
Entropy obtained from a series of key generation exchanges may be combined with entropy from a strong entropy source to allow the strong entropy to be stretched to generate a larger number of keys for use on a communication network, without requiring additional information from the group members and without requiring the entropy source to be increased in size or in number. In one embodiment, nonces exchanged during an initial key exchange are used to generate additional key material that is then fed, together with a fresh random secret, to another pseudo-random function to generate an additional key stream.
07/03/14
20140189792
Method and system for electronic content storage and retrieval using galois fields and informaton entropy on cloud computing networks
A method and system for electronic content storage and retrieval using galois fields and information entropy on cloud computing networks. Electronic content is divided into plural portions and stored in plural cloud storage objects based on determined information entropy of the electronic content thereby reducing location guessing of the electronic content using information gain and mutual information.
07/03/14
20140185950
Progressive entropy encoding
A method for progressively encoding image tile data is disclosed. The method may include receiving indication that image tile data is to be updated.
07/03/14
20140185676
Line-based compression for digital image data
A method of compressing digital image data is provided that includes selecting an entropy code for encoding a line of pixels in the digital image data, wherein the entropy code is selected from a plurality of variable length entropy codes, using spatial prediction to compute a pixel predictor and a pixel residual for a pixel in the line of pixels, and selectively encoding the pixel residual using one of the entropy code or run mode encoding.. .
07/03/14
20140185668
Method for adaptive entropy coding of tree structures
In 3d mesh coding, the geometry data is compressed by spatial tree based approaches. Bitstreams that result from the traversal of a tree structure of spatial tree based approaches for encoding 3d mesh models have systematically special redundancies, which is exploited for further improving the mesh model compression.


Popular terms: [SEARCH]

Entropy topics: Access Point, Fixed Length, Function Key, Instantiate, Packet Switching, Distributed, Random Access, Digital Processor, Coordinates, Lossless Compression, Volatile Memory, Application Program, Random Number Generator, Nonvolatile Memory, High Speed

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This listing is a sample listing of patent applications related to Entropy for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Entropy with additional patents listed. Browse our RSS directory or Search for other possible listings.
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