82results about How to "High-speed generation" patented technology

There is disclosed an information processing apparatus for providing information on resources for which predetermined permission is given to a subject trying to access the resources. The information processing apparatus comprises a permission status information generating part to generate permission status information based on resource classification information, subject classification information, and rule information. The permission status information indicates whether the subject trying to access the resources has the predetermined permission to access the respective resources. The resource classification information includes information on classifications of the resources to be accessed. The subject classification information includes information on a classification of the subject trying to access the resources. The rule information defines a rule for the subject to access the resources with respect to a combination of the classifications of the resources and the classification of the subject.

Radially layered nanocables are fabricated by first forming nanotubes within tubular passages of nano-sized diameter, then depositing a material dissimilar to that of the nanotubes over the surface(s) of the nanotubes by underpotential electrochemical deposition. Both hollow cables and cables with solid cores can be manufactured in this manner. The tubular passages reside in membranes or wafers that can be removed from the nanocables either before or after the second material is deposited, or in some applications, the nanocables are useful when still embedded in the membranes or wafers.

An image generating apparatus comprising a multi-plane buffer comprising a plurality of planes, and can record R, G, B, A and Z values as pixels, and a multi-plane buffer processor which stores in said multi-plane buffer in sequence from closest distance from a vantage point a plurality of defocus data which is data consisting of object model data that has been at least coordinate converted, hidden surface processed, and defocus processed, and which assigns R, G, B, A and Z values to each pixel, this object model data being derived from an object whose positional relationships are to be represented from a vantage point using depth of field, which is the effective focus range within which the object is focused.

The data dividing unit divides data into n pieces. An encoding unit generates m pieces of encoded data composed of a set of a bitmap matrix specifying a plurality pieces of divided data for obtaining exclusive OR (XOR) and exclusive OR data including exclusive OR of the plurality pieces of divided data specified by the bitmap matrix, wherein m is equal to or more than a dividing number n and according to redundancy. A distributed saving unit distributes and saves the m pieces of encoded data to and in storage devices at two or more locations and m or less locations. A decoding unit restores the original data by retrieving restorable k or more pieces of the encoded data among the distributed and saved m pieces of encoded data and subjecting the bitmap matrix of the retrieved encoded data to conversion into a unit matrix.

A method of database update processing for updating efficiently database index keys, when new database index keys are supplied to replace index keys already in the database, generates a delta data between the new and old data comprising insert and delete keys by delete processing from a coupled node tree holding the index keys in the old data using index keys of new data as delete keys, and generates new data by delete and insert processing from and into a coupled node tree holding index keys in old data as index keys using the delete keys and insert keys of the delta data.

An image processing apparatus for calculating a color gamut contour of an object device, includes a first limit-amount setting section, a first device-contour generating section, and a color converting section. The first limit-amount setting section designates a condition. The condition includes at least one of (a) a maximum amount of each color component in a color space of the object device, and (b) a minimum amount of each color component in the color space of the object device. The first device-contour generating section generates contour points forming the color gamut contour in the color space of the object device, which is limited by the condition. The color converting section converts the contour points in the color space of the object device into contour points in another color space.

An image processing procedure receives mosaic image data and calculates vertical and horizontal-direction color difference components for each pixel. The image processing procedure subsequently selects an R pixel or a B pixel from the mosaic image data, and compares a variation of the vertical-direction color difference component with a variation of the horizontal-direction color difference component with regard to each of at least the selected pixels to detect edge directions of the at least selected pixels. The edge directions thus obtained are collected in an edge direction map, and then the edge directions are compared with the surrounding edge directions to remove edge noise in advance. The image processing procedure refers to the detected edge directions, and interpolates a missing color component in each pixel of the mosaic image data with the settings of one color component in each pixel in the mosaic image data.

A technique which contributes to materialization of efficient encryption even with devices such as smartcards restricted in memory resource is provided. The system for generating cryptographic keys includes:a calculation unit for reconstructing a large number of small primes,a sieving unit for checking the divisibility of an integer by small primes,a recoding unit for changing the representation of an integer,a primality testing unit.First, the sieving unit eliminates “bad” candidates by checking their divisibility by small primes reconstructed by the calculation unit. After that, the primality of the remaining candidates is tested using the primality testing unit. The primality testing unit uses the recoding unit to change the representation of prime candidates. The primality testing unit performs a primality test using the representation after change. Thus, the number of operations for the primality test can be decreased without further memory requirements.

Disclosed are a double metal-carbon nanotube hybrid catalyst comprising at least two of transition metals selected from a group consisting of Mn, Fe, Co, Ni, Cu, Mo, Tc, Ru, Rh, Pd, Ag, Re, Os, Ir and Pt which are distributed in the catalyst. The double metal-carbon nanotube hybrid catalyst contains at least two different transition metals with high catalytic activity and may generate hydrogen from an aqueous ammonia-borane (NH3BH3) solution at a high speed and a method for preparation of a double metal-carbon nanotube hybrid catalyst.

A character pattern generator includes: an input section for inputting an input information that contains a character code, a character style, and a character size of a character pattern to be generated; a character information storing section for storing, for each character code, a character information containing a stroke configuration information composed of skeleton coordinate data of strokes constituting the character pattern; a bit map font generating section for reading, from the character information storing section, the stroke configuration information contained in the character information based on the input information input by the input section and for generating a bit map font based on the skeleton coordinate data of the stroke configuration information that has been read; and an output section for outputting, as a character pattern, the bit map font generated by the bit map font generating section.

When volume data of a three-dimensional object to be processed is read and stored into a predetermined storage, first, a plurality of reference planes are set and a plurality of reference distance maps each indicative of distribution of distances between the three-dimensional object and each of the reference planes are generated. Next, when an actual projection plane onto which the three-dimensional object is projected in the volume rendering is set, two or more distance maps out of the plurality of reference distance maps are converted into two or more converted distance maps in accordance with a positional relation between two or more reference planes corresponding to the two or more distance maps and the actual projection plane, and integrating the resultants, thereby generating a distance map for visualization indicative of distribution of distances between the three-dimensional object and the actual projection plane.

The present invention concerns a method for generating a pattern of light, this method comprising the following steps: a) emitting an input laser pulse (P1), b) deflecting the input laser pulse (P1) by a first deflector (22) to obtain a first laser pulse, c) deflecting the first laser pulse (P3) by a second deflector (24) to obtain a second laser pulse (P4), and d) focusing the pulse (P4) by an optical element characterized in that: —the first deflector (22) shapes the first laser pulse (P3) according to a first function, —the second deflector (24) shapes the second laser pulse (P4) according to a second function, and —the first function f(x) and the second function g(y) are computed and / or optimized to obtain the desired pattern of light.

An image processing apparatus and an image processing method are disclosed for generating coded data having a desired data size at a high speed. The image processing apparatus includes a coding part, two memories, a setting part and a data size adjustment part. The coding part partitions a wavelet coefficient of image data into bit-planes and generates coded data of the image data through entropy coding on the wavelet coefficient for each of the bit-planes. The data size adjustment part adjusts a size of the coded data such that the size falls within an acceptable range including the target size set by the setting part by sequentially discarding a portion of the coded data in a least significant order based on the size of the coded data portion corresponding to each of the bit-planes.

A wipe pattern generation apparatus that can generate wipe patterns of various shapes at high speed and moreover can be miniaturized. is provided.A wipe pattern generation apparatus 100 includes a sin θ generation section 101 for calculating sin θ from input angle information θ; a multiplier 103 for multiplying the calculation result of sin θ by a first coefficient; a cos θ generation section 102 for calculating cos θ from the angle information θ; a multiplier 104 for multiplying the calculation result of cos θ by a second coefficient; a multiplier 106 for multiplying the result of adding output of the multiplier 103 and output of the multiplier 104 by a third coefficient and outputting as the reciprocal of the distance from the polar coordinate center to an arbitrary line on a display screen; a multiplier 107 for multiplying output of the multiplier 106 by distance information r; and a comparator 108 for making a comparison between output of the multiplier 107 and a fourth coefficient, and generates wipe pattern output data 110 from the angle information θ and the distance information r.

In the process of a registration between first and second images captured by different image pickup apparatuses, even if corresponding parts have different pixel values, different shapes and different field of view, the registration can be carried out with high speed and high degree of precision. In order to perform the registration between the first and second images, either of the first and second images is divided into segmented regions, and given physical property values are set to the segmented regions. Further, an image (pseudo image) having similar pixel values, shapes and field of view to the other image is created, and the pseudo image and the second image that have the same features are positioned, thereby performing the registration between the first and second images.

A signal component coding circuit codes spectral components from a transform circuit for converting an audio signal to spectral components. A code string generation circuit generates a code string block of each unit time from the coded data from the signal component coding circuit. A compression rate change circuit changes the compression rate of the code string from the code string generation circuit, if necessary. For example, when the compression rate needs to be changed because of a change of the transmission capacity of a transmission line, the compression rate change circuit extracts codes of respective signal components from the code string, if necessary, and thus generates a code string having a changed compression rate. With such a structure, it is possible to solve the problem that processing to be carried out at a high speed such as real-time processing of compression rate change cannot be suitably carried out since an operation scale substantially similar to that of decoding and coding of an acoustic waveform signal is required in generating a code string having a changed compression rate from a code string outputted from a coding device.

A calculation area including a three-dimensional (3D) product model is specified, and a plurality of cross-sectional images is cut out from the calculation area. Each cross-sectional image is divided into plural pieces of voxel data, and voxel data of a gap area of the inside of a product is generated from the plural pieces of voxel data. A 3D model of the gap area of the inside of the product is generated, and also a volume of the gap area of the inside of the product is calculated, based on the voxel data of the gap area obtained by each cross-sectional image.

A method and apparatus for generating an elemental image by an integral image technique are provided. The method includes normalizing coordinates of dots in a frustum formed in perspective projection by mapping the dots in the frustum into a cube; reversing a grade of depth of the cube viewed from a particular viewpoint; and generating a two-dimensional (2D) elemental image necessary for three-dimensional (3D) display from dots in the cube whose grade of depth is reversed.

A calculation unit (58) references texture data (62) in a storage unit (60) and acquires texel information of index color formal An integral look-up table (64) has a structure containing a plurality of color look-up tables based on the detail degree (LOD) of the area to be plotted A look-up table reference unit (70) selectively references the color look-up table based on the LOD stored in the integral look-up table (64) according to the LOD value of the texel obtained by the LOD calculation unit (68), acquires color information corresponding to the index value of the texel, and outputs it to the calculation unit (58). The calculation unit (58) performs filter processing such as bi-linear interpolation according to the texel color information and outputs the texel information after the processing.

A method for generating a complex amplitude in-line hologram and an image recording device using said method makes it possible to realize high-speed processing and high-speed recording from a single off-axis hologram without limiting the spatial frequency band and without creating errors from interpolation. The complex amplitude in-line hologram is generated by performing the following in order: the acquisition of data for one off-axis hologram obtained by way of off-axis holography, and for an off-axis reference light used for obtaining the hologram; the setting of a reconstruction in-line reference light; a modulation process for performing spatial heterodyne modulation on the hologram on the basis of the phases of the reference lights; and a filtering process for performing spatial frequency filtering on the hologram modulated by the modulation process. Because spatial sampling is not performed, the limits on the viewing angle are relaxed.

An image processing apparatus includes a color intersection point determination and contour point extraction unit configured to raster-scan a multivalued image by using a pixel matrix having a predetermined size, to determine whether a target point is a color intersection point for dividing a contour for forming a boundary between pixels having a different value from each other, according to states of a plurality of pixels in the pixel matrix, and to extract a contour point for forming the boundary between the pixels having a different value from each other; and a contour information reconstruction unit configured to, by using color intersection points determined by the color intersection point determination and contour point extraction unit and contour points extracted thereby, generate contour information including contour lines each being sectioned by the color intersection points.

Information recording equipment of the present invention includes a multiplexer to generate n pieces of synchronous high-speed pulses. Instead of a normal m:1 multiplexer configuration for parallel-serial conversion, an m:n multiplexer configuration is used which generates m pieces of output signals from n pieces of input signals. The recording equipment including the m:n multiplexer enables high-resolution and high-speed pulse generation and carries out multipulse and multilevel signal generation.

A display drive circuit that performs digital driving for displaying an image of each one frame based on luminance data of a plurality of subframes is disclosed. The display drive circuit includes a conversion section that converts the luminance data having a plurality of bits indicating a luminance level of each of the plurality of subframes into data indicating the luminance level for pixels in a number greater than the number of the plurality of subframes, and a storage section that stores the data converted by the conversion section.

The invention drives output nodes with optimum drive capability even when the voltage of the output line voltage is changed. The output circuit (4) changes the transistor size or the negative voltage according to the output power supply voltage (VDDQ) to adjust the drive capability of its output transistor. Especially, even when the output power supply voltage is made to be lower by expanding the drive capability of a P-channel MOS transistor, it is possible to generate output output signals at high speed by suppressing the lowering of the driving power.

The exemplary embodiments of the present invention provide a quantum random number generation apparatus according to an exemplary embodiment of the present invention including: a space-division semiconductor detector including a plurality of cells, each individually absorbing a plurality of emission particles emitted from a radioactive isotope; and a signal processor that generates a random number based on an absorption event at which the plurality of emission particles are absorbed into the plurality of cells, and thus new type of random number conversion method that combines a spatial randomness and existing temporal randomness of the emission particle can be provided, there is no restriction generated due to the dead time, the random number generation rate can be remarkably increased, and it is possible to generate of a pure random number at high speed, which is required by a computer, a network processor, or an IoT device.