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JP6096970B1 |
[Subject] When compressing a huge file, there is a problem that the numerical value which shows the head position referred to as having compressed the character of how many characters of how many characters from the head of a huge file w...
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JP6093014B2 |
An approach for erasing data being stored in a data storage apparatus is provided, which may be provided e.g. as an apparatus, as a method, as a system or as a computer program. A sequence of uncompressible data is obtained fulfilling pr...
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JP6093207B2 |
To provide a linear feedback shift register having versatility to be varied for a desired application even in use according to a code theory and a cipher theory, and to provide a linear shift register capable of reducing cost in a system...
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JP6032292B2 |
A method includes: setting a first and a second storage regions; first creating a first compression code of a compression target data in a file using a identifier indicating the data in the first storage region when a predetermined first...
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JP6030033B2 |
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JP6032291B2 |
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JP6015514B2 |
A data storage apparatus includes: a memory configured to store data; an input delay circuit configured to input a set of data of a plurality of bits into the memory at different timings between the plurality of bits by adding different ...
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JP5987289B2 |
A method comprising accessing a binary decision diagram (BDD) representing a function having n variables, where n ¥ 2, wherein the BDD comprises n layers corresponding to the n variables, respectively; separates the n variables into n...
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JP5955378B2 |
Many 3D mesh models have a large number of small connected components that are repeated in various positions, scales and orientations. The respective positions are defined by the position of at least one reference point per component. Fo...
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JP5945291B2 |
Parallel compression is performed on an input data stream by processing circuitry. The processing circuitry includes hashing circuitry, match engines, pipeline circuitry and a match selector. The hashing circuitry identifies multiple loc...
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JP2016099662A |
To improve a retrieval speed in the case of performing batch retrieval of an input character string.An information processing device 100 divides a word to be encoded to acquire a plurality of elements. The information processing device 1...
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JP5866168B2 |
To store a number of character information in a limited storage area.A character code compression method includes: a first step (S101 to S110) of summarizing or reducing character types of an input character string (lot_name) expressed b...
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JP5855553B2 |
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JP5831298B2 |
A decompression apparatus includes a memory configured to store a dictionary data including, in association with a compression code, a decompression symbol and address information indicating a position of flag information, which indicate...
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JP2015219544A |
To suppress the consumption of a storage capacity by avoiding the increase of an arithmetic load in a signal processor.A storage device includes: a memory for storing data; a valid data extraction part for, from a numerical data string c...
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JP5825347B2 |
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JP5809313B2 |
Disclosed are a method and apparatus for compressing/decompressing data using floating points. As technology for compressing/decompressing data using floating points for efficient memory management, there are provided a method and appara...
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JP2015532489A |
The present invention relates to a spatial data compression device and its method, and a compressed spatial data restoration device and its method, and the spatial data compression method according to the present invention is stored in a...
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JP5801273B2 |
To provide a method of concealing an access pattern for concealing history information against an attacker, capable of implementing on an embedded system or the like, without using dedicated hardware.A method includes the step for: selec...
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JP2015172857A |
To enable data conversion while retaining a data length except for a shift code at a time of data migration between host systems different in character code scheme.A data converter performing data conversion from data on a first characte...
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JP5787693B2 |
An arithmetic device includes a database that stores a first indicator representing a base unit included in a unit system being assigned with a prime number other than a prime factor of a prefix, and a second indicator derived by combini...
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JP2015152969A |
To appropriately collect data even in the case where data formats of devices are different by types.An information processing device includes: a device information acquisition unit which acquires information about a biometer; a device sp...
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JP5745527B2 |
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JP5733385B2 |
An endian conversion method is executed by a CPU, and includes executing a program that includes endian conversion setting; and performing, when accessing an address of a main memory indicated in the endian conversion setting, endian con...
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JP5710726B2 |
A control device includes: a first conversion unit that converts floating point data generated by an operation of a floating point operation command into a numeric string in first format; and a second conversion unit that converts the nu...
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JP5688432B2 |
A pipeline accelerator includes a bus and a plurality of pipeline units, each unit coupled to the bus and including at least one respective hardwired-pipeline circuit. By including a plurality of pipeline units in the pipeline accelerato...
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JP5667867B2 |
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JP5619326B2 |
A data predicted value generating unit generates a predicted value (data predicted value) for original data intended to be encoded, based on a history of original data which is floating-point data. A data predicted value modifying unit a...
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JP2014206828A |
To accelerate serialization processing of tree structure data.A data serialization device 1 comprises: a weight determination section 104 for determining a weight based on a size of a partial tree for each partial tree with each node as ...
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JP5605472B2 |
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JP5591080B2 |
To efficiently compress a series of values.A predictor 10 (prediction part) determines a prediction value of a following value to be encoded from a precedent value of input data. An offset quantity determination part 20 (a prediction res...
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JP5546356B2 |
To provide a device capable of efficiently storing and outputting input data.A memory device 120 is provided. The memory device 120 comprises a write buffer unit 121 having a write buffer 122 and a write control unit 123; a memory unit 1...
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JP5528281B2 |
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JP5533083B2 |
A data processing apparatus includes: a slide storage unit sequentially storing input data; a search unit searching for a data string, stored in the slide storage unit, matched with an input data string including the input data that is c...
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JP5506961B1 |
To provide a notation conversion technique by changing a radix between a binary number and an n-ary number, which can reduce a data capacity loss at the time of notation conversion. L is the number of binary bits of n, m is an integer sa...
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JP2014093612A |
To implement more efficient compression coding while using a dictionary of a fixed size.An entry address to a dictionary 101 is determined from two beginning characters of a character string to be coded. Addresses stored under candidates...
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JP2014075013A |
To convert (type convert) character string type data showing a binary number supplied from an input device, such as a serial port, a keyboard, and a barcode reader into numeric type data, such as an integer type and a floating point type...
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JP5458561B2 |
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JP5444627B2 |
A serial data processing circuit that realizes the same performance as that of the pipeline processing with low power consumption. First to fourth latch units receive, in parallel, data sets supplied to a logic circuit. These latch units...
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JP5419761B2 |
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JP5418120B2 |
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JP5413153B2 |
To improve a compression rate of text data in block stream processing. A data compressor has a data acquisition portion 110 accepting an input of text data and dividing the text data into a plurality of blocks, a difference dictionary ge...
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JP2014021909A |
To quickly obtain an appropriate appearance frequency of a common subtree in tree structure data.A subtree appearance frequency correction device 40 includes: an uncorrected appearance frequency counting unit 41A which counts an uncorrec...
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JP2013257767A |
To reduce a data size by performing compression processing and serialization obtained by taking into consideration redundancy of an object unit included in a data structure.A data storage device 10 includes: a serialization unit determin...
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JP5379826B2 |
A FIFO design interfaces a sender subsystem and a receiver subsystem operating on different time domains. The sender subsystem and the receiver subsystem may be synchronous or asynchronous. The FIFO circuit includes a put interface confi...
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JP5375413B2 |
A data converting apparatus includes a storage unit that stores encoded meta-definition information, a data converting function, a conversion rule table, and a conversion rule; an input unit that receives input of data to be converted; a...
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JP5372581B2 |
To reduce a data size of a measured value converting table. This measured value converter includes a memory which stores the measured value converting table for converting pre-conversion data D1 (pre-conversion measured value) into post-...
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JP2013247422A |
To realize a configuration which is speeded up to reduce a device startup time if, as when a fault occurred, the device needs to be quickly recovered, which is necessary because an increase in the logic scale of an FPGA in recent years r...
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JP2013228819A |
To reduce a total amount of data in graph data represented by a CSR (Compressed Sparse Row) format.A graph data rearrangement device rearranges graph data represented by a CSR format that manages numbers of vertices representing sides co...
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JP5336645B1 |
To provide a method for compressing a file used in a computer or creating a difference file, which is free from a problem of a file of the largest processable size being generated in a file to be compressed or a file from which the diffe...
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