146 results about "Information density" patented technology

A system and methods for the creation, management, and distribution of media entity fingerprinting are provided. In connection with a system that convergently merges perceptual and digital signal processing analysis of media entities for purposes of classifying the media entities, various means are provided to a user for automatically processing fingerprints for media entities for distribution to participating users. Techniques for providing efficient calculation and distribution of fingerprints for use in satisfying copyright regulations and in facilitating the association of meta data to media entities are included. In an illustrative implementation, the fingerprints may be generated and stored allowing for persistence of media from experience to experience. In various non-limiting embodiments, the processing of fingerprints includes calculating the average information density of the media entities, determining the standard deviation of the calculated information of the media entities, calculating the average critical band energy of the media entities, calculating the average standard deviation of the critical band energy of the media entities, determining the play-time of the media entities and processing the information density, the standard deviation of the information density, the critical band energy, the standard deviation of the critical band, and the play time to produce a bit-sequence representative of the fingerprint.

A technique is provided to display a view perspective of an electronic map containing a number of viewable points of interest about a point of reference. The technique assigns a weighted importance value to each point of interest. Before displaying the view perspective of the requested map, the weighted importance value of each point of interest is summed and compared against a target value. If the summed weight substantially equals the predefined, the corresponding viewable points of interest are displayed in the view perspective.

The invention provides a detector comprising a metamaterial absorber and a micro-bolometer arranged to detect terahertz (THz) radiation. The metamaterial absorber can absorb multiple frequency bands, from the infrared and the THz regions of the electromagnetic spectrum. The detector is scalable to be suitable for use in a focal plane array.The invention also provides a hybrid of a plasmonic filter, e.g. for optical radiation, and a metamaterial absorber for terahertz (and / or infrared) radiation, to create a single material capable of absorbing narrow band terahertz radiation and filtering radiation in another part of the spectrum, e.g. optical radiation. Such material has great potential in future imaging technology where hybridisation can maximise the spectral information density of an optical system.

Machine-readable light-colored or invisible, but luminescent, postage-evidencing symbology and dark, readable other postage information are printed, preferably in a single print operation, to provide large amounts of information without diminishing read rates. The resulting combination image can be printed independent of substrate material to enable the provision of a high information density without obscuring any one component. The postage-evidencing symbology is printed in large-format and can include redundant information within an IBI image or between an IBI and visible dark image for a variety of practical purposes. In a preferred form, the images are printed using conventional ink jet printers using water-based inks. In one embodiment of this type, the images are printed with a conventional two-cartridge color ink jet printer by printing postage-evidencing symbology with a single-color ink and printing the visible dark image as a composite dark color from a standard multi-color cartridge.

The invention provides a map display device and map display method that enhance the information density of displayed road names while maintaining legibility of a map image. First, the map drawing unit draws, to an image storage unit, a map image of roads and so forth in a desired scale, by using the background layer of a first hierarchy corresponding to the desired scale. Second, the map drawing unit draws place names and facility names by using the character layer of the first hierarchy to superimpose them on the map image. Third, the map drawing unit extracts the road names that do not overlap with the map characters of the place names and facility names on the map image by using the character layer of the first hierarchy, and superimposes them on the map image at the normal character size. Fourth, the map drawing unit extracts, by using the character layer of a second hierarchy corresponding to a scale level smaller by one step than the desired scale level, road names that do not overlap with the map characters of the other road names, place names, facility names and so forth on the map image, and superimposes them on the map image at a smaller character size. Finally, the map drawing unit superimposes the vehicle position mark on the map image.

The invention discloses a method for improving the density of mapping information in an address mapping table. A hit rate of a cache mapping table in a page mapping scheme on the basis of the mapping information of a cache part can be improved; the read-write performance of a flash translation layer is improved; on a premise that the amount of entries in the cache mapping table positioned in a memory is not increased, mapping records which are continuous and adjacent on a logic address and a physical address are combined to generate one mapping entry, and therefore, one mapping entry can express a mapping relationship between a plurality of logic addresses and the physical address; and one mapping entry, instead of a plurality of mapping records which only can express the mapping relationship between one logic address and the physical address, is inserted into the cache mapping table. Therefore, on the premise that occupation for the memory by the cache mapping table is not increased, the amount of mapping records stored in the cache mapping table is increased, the hit rate of the cache mapping table can be obviously improved, the read-write efficiency of the flash translation layer is improved, and the method can be widely applied to the management of the NAND Flash memories of various systems.

A document authenticating method is disclosed by which numerous small-sized two-dimensional barcode stamps are generated and placed in a distributed manner on a printed document. The small-sized barcode stamps collectively encode the content of the document to be used for document authentication. In one example, the stamp size is 1 cm by 1 cm and the tile size for the stamps is 4 by 4 pixels at a resolution of 400 dpi. A total of approximately 80 such small barcode stamps are placed on the page to form a pattern that resembles a border on one or more sides of the page. In one particular example, the stamps are placed on all four sides of the page to form a frame. Such a stamp layout minimizes undesirable visual effect and can create a decorative effect. Small-sized stamps also allow reduced tile sizes and increased information density.

A method of enhancing 3D image information density, comprising providing a confocal fluorescent microscope and a rotational stage. 3D image samples at different angles are collected. A deconvolution process of the 3D image samples by a processing unit is performed. A registration process of the deconvoluted 3D image samples by the processing unit is performed. An interpolation process of the registered 3D image samples by the processing unit is performed to output a 3D image in high resolution.

Circuits, architectures, systems, methods, algorithms, software and firmware for indicating positions of defective data storage cells using reserved (e.g., “pilot”) cells. The circuit generally includes a memory having multiple subunits, each subunit containing multiple data storage cells and at least one reserved cell. The reserved cells store information identifying whether one or more data storage cells in a subunit are defective. The method of identifying defective memory positions generally includes determining the status of data storage cells in a multi-subunit memory; storing such status information in a reserved cell; and reading the reserved cell. In various embodiments, the reserved cells differentiate between fewer voltage levels and / or store a lower density of information than the data storage cells. The present invention improves error correction capabilities using cells that are typically already available in many conventional nonvolatile memories. In some cases, marking data from defective cells as erasures effectively doubles the error correction capability of the system. When the reserved cells contain more than one level, the overhead for a given level of fault coverage decreases as a function of memory size.

A system and related techniques provide a platform for encoding high density geometric symbol sets, for example a triangular barcode-type of encoding which may be used to encode drivers' licenses, biometric IDs, passports, or other transaction or identification media. According to embodiments of the invention in one regard, an inkjet, laser or other printer or output device may imprint a paper, plastic or other media with geometric symbols such as triangles in a defined array, to represent, for instance, name, address, or other identifying information, for instance such as digital facial photographs, iris or retinal scans, fingerprints, signatures, or other information. The geometric symbols may in one regard be arranged in a staggered format, separated in embodiments by a white space that may serve to reduce aliasing effects and other distortions. Because triangular symbols may in general be packed more closely together, and the number of distinct individual symbols may scale according to the range of color space employed for the symbol set, information densities high enough to satisfactorily encode biometric iris or retinal scans, digital facial photographs, or other identification or other information may be achieved. In embodiments, error correcting processing such as Reed-Solomon techniques may be employed to enhance scanning accuracy. In further embodiments, a reference palette may be embedded within the imprinted media, to provide a scale against which color fading or other distortion may be measured.

The invention relates to a power transmission line traveling wave fault location method, in particular to a power transmission line traveling wave fault location method using atomic decomposition. According to the method, voltage and current signals at both ends of a fault branch are taken as information on fault location, the synchronism of data is guaranteed by using a GPS (Global Positioning System) precise time service system; a fault signal is analyzed by using an atomic decomposition method; and the time for the wave head of traveling wave to reach double-end measuring units for the first time is acquired to realize accurate location of a power transmission line fault. The optimal matching atom and parameters thereof of the signal are adaptively searched on the basis of an over-complete redundant atom dictionary, so that adaptive expression of the signal becomes simple, a decomposition result changes extremely sparse, the information density and the flexibility in use are greatly improved, and the processing cost is reduced.

The invention discloses a color two dimension bar code with high compression ratio Chinese character coding capability, the whole bar code image comprises rectangular modules which are regularly ranged and includes a functional image and a data area, the functional image is the four sides of the color two dimension bar code, wherein the left side comprise two alternate color blocks with different chemical feature, the lower side comprises single color block, the upper side and the right side comprises four alternate color modules with different chemical feature from left to right and from bottom to up; the data area is the middle part of square and comprises two alternate two-color modules which are vertical and have different chemical feature, the code words in the data area are arranged from left to right and from the up down. The invention also provides a method for coding and decoding the color two dimension bar cod. The invention effectively improves the compression ratio of Chinese character, the information density of the bar code and the information content of the unit area.

A method, computer program product and system are disclosed for determining the semantic density of textualized digital media is (a measure of how much information is conveyed in a sentence or clause relative to its length). The more semantically dense text is, the more information it conveys in a given space. Users input a topic, a timeline, and one or more target web media sources for analysis. Text in the target media sources is deconstructed to determine density, and a density rating assigned to the web media source. Over time, users can track trends in the density of text media relative to a given topic, and determine how much information is being conveyed in connection with the topic, such as a political campaign. Line graphs, pie charts, and other time-elapsed output graphic representations of the semantic density are generated and rendered for the user.

A backlight image determining apparatus includes: (A) a histogram data generation section that, based on data of pixels constituting an image to be determined, generates data of histograms for respective colors, the histograms representing a distribution of the number of pixels in respect to density values of the respective colors of those pixels; (B) an attribute information obtaining section that obtains, for each color, attribute information relating to a first small region and a second small region by partitioning regions given by the histograms for the respective colors into at least three small regions according to the magnitude of the density values, based on the data of the histograms for the respective colors generated by the histogram data generation section, selecting for each color at least one small region from the at least three small regions as the first small region, and selecting, from the at least three small regions, for each color at least one small region whose density values are larger than those of the first small region and which is not adjacent to the first small region, as the second small region; and (C) a determination section that determines whether the image to be determined is a backlight image, based on the attribute information relating to the first small region for each color and the attribute information relating to the second small region for each color, which is obtained with the attribute information obtaining section.

The invention discloses a single-power clock clocked transmission gate ternary heat insulating circuit and a T computing circuit. The heat insulating circuit adopts a single-power clock technology to combine the high-information density characteristic of a multi-value logic circuit and the low-power consumption characteristic of a heat insulating circuit and is designed by utilizing a switch-signal algebraic system. The operation of the heat insulating circuit comprises two stages, wherein in the first stage, under the control of a clocked clock, a clocked NMOS (N-Mental-Oxide-Semiconductor) tube is used for sampling an input signal; and in the second stage, under the working rhythm of the single-power clock, a bootstrap-operation NMOS tube and a crossing storage structure are used for charging and discharging a load, and an NMOS tube grid leak parallel connection technology is utilized to ensure that the circuit realizes ternary input and output. The circuit has simpler structure and lower power consumption compared with a gate level circuit. When the working frequency is 16.7MHz, within 1.4 microseconds, the ternary heat insulating can averagely save the energy by about 66.4 percent compared with a DTCTGAL (Double Power Clock Ternary Clocked Transmission Gate Adiabatic Logic) circuit and averagely save the energy by about 85.1 percent compared with a ternary DPL (Double-Pass-Transistor Logic) circuit. The T computing circuit is designed on the basis of the heat insulating circuit, and any ternary logic circuit can be constructed through the T computing circuit.

A method and system for encoding a segment of user data words into a segment of code words so that both modulation constraints and a predetermined parity-check constraint are satisfied. Each segment of the user data is partitioned into several data words, and encoded separately by first and second types of component code, which are referred to as the normal constrained code and the parity-related constrained code, respectively. The parity-check constraint over the combined code word is achieved by concatenating the sequence of normal constrained code words with a specific parity-related constrained code word chosen from a candidate code word set. Both the component codes are finite-state constrained codes, which are designed to have rates close to the Shannon capacity. Furthermore, they are based on the same finite state machine (FSM), which enables them to be connected seamlessly, without violating the modulation constraints. Two preferred embodiments are provided to design a code in the non-return-to-zero inverted (NRZI) format and the non-return-to-zero (NRZ) format, respectively. Designing the codes in NRZ format may reduce the number of parity-check bits required for error detection and simplify error correction or post-processing. The parity-check constraint is defined by the parity-check polynomial or parity-check matrix of a systematic linear block code, which could detect any type of dominant error event as well as error event combinations of a given optical recording system. As a result, the information density of the system is improved.

The invention relates to a lightning interference and lightning fault identification method, particularly to a PSO (Particle Swarm Optimization) improved atomic decomposition method based lightning interference and fault identification method. The frequency component analysis is performed on voltage and current signals formed at the fault line protection installation position by an atomic decomposition method, a lightning interference identification method based on the existence of a zero sequence current steady state power frequency component is proposed, double fault type identification criterions based on the current line mold component atomic decomposition energy ratio and the fault phase current electromagnetic transient characteristics are proposed, and accordingly the accuracy of fault identification is improved. According to the PSO improved atomic decomposition method based lightning interference and fault identification method, optimal match atoms and parameters of the atoms of signals are self-adaptively found on the basis of an over-complete redundant atom library and accordingly the adaptive expression of the signals can be simple, the decomposition result can be sparse, the information density and the use flexibility are greatly improved, and the processing cost is reduced.

The invention discloses a vehicle front barrier contour detection method based on a recursive superposition algorithm. The method comprises steps that barrier contour height is calculated according tothe radar and ground geometric relationship; coordinate matching of historical scanning data and present scanning data is carried out; normal distribution characteristics of radar light beams are considered and are introduced to a probability density function; quasi-continuous estimation of the barrier contour is realized; the accurate barrier contour height can be solved in a continuous recursive superposition mode according to the historical scanning data and the present scanning data; regression calculation of height deviation and pitch angle deviation is carried out; fusion of historicalscanning and present scanning is carried out. The method is advantaged in that the employed measurement method is simple and feasible, the approximate contour height of a barrier in front of the roadcan be accurately and efficiently detected, recursive superposition of overlapped areas generated by historical and present scanning is continuously carried out, influence caused by certain interference can be eliminated, information density is greatly enhanced, and the vehicle front barrier contour height can be accurately acquired.

A system and related technology provides a platform for encoding high-density geometric symbol sets, such as triangular barcode-type encodings that can be used to encode driver's licenses, biometric IDs, passports, or other transaction or identification media. According to an embodiment of an aspect of the present invention, an inkjet, laser or other printer or output device may emboss paper, plastic or other media with geometric symbols such as triangles in a defined array to represent names, addresses or other Identifying information, such as a digital facial photograph, iris or retinal scan, fingerprint, signature, or other information. The geometric symbols may in one aspect be arranged in a staggered format, separated in various embodiments by white space which may be used to reduce the effects of graphical distortion and other distortions. Because triangular symbols can generally be packed closer together, and the number of different individual symbols can be scaled according to the range of color spaces used for the symbol set, it can be high enough to scan biological iris or retinal, digital Information density at which facial photographs or other identification or other information are encoded satisfactorily. In various embodiments, error correction processing, such as the Reed-Solomon technique, may be used to improve scanning accuracy. In other embodiments, a reference palette may be embedded in the imprinted medium to provide a measure of color fading or other distortion.

A control device has a rotating actuator which is mounted rotatably about an axis of rotation so that control parameters can be input by rotation. The rotating actuator is mounted displaceably along a movement curve so that control parameters can be input into the device by means of a longitudinal displacement of the rotating actuator. The additional degree of operating freedom increases the information density of the exchange between user and machine in an ergonomically particularly advantageous manner.

A system and related techniques generate and encode identification or transactional media such as passports, driver's licenses or others with a symbol set defined in a color space such as 8-bit color or grayscale, 24, 32, 48 or other bit depths or resolutions. Because blocks, lines or other symbol shapes may each take on more than a black or white color value, information density for the resulting bar code, biometric scan or other symbol set may be increased, and likewise take advantage of the resolution of close-contact scanners and other input devices. In embodiments, the symbols may be encoded using a selected subset of the overall color space, for instance by selecting an evenly spaced subset consisting of 4, 8 or 16 color values evenly divided within a 256 tone grayscale space, or using other values or subsets. In other embodiments the selected subset may be selected according to intervals or functions which are not evenly divided, for instance to approximate the gamma curve of a detection device, or according to other functions. The information density of the resulting IDs, credit cards, checks or other objects or media may therefore be increased, while still retaining a high degree of accuracy.

The invention relates to a log detection method and a system. The log detection method comprises the following steps: using a preset grammar compression algorithm to compress the data of a log to be detected and the data of a training set; calculating the information density of the compressed data; arranging the data of the log to be detected in a descending order in accordance with the information density, wherein the front arranged n log data are abnormal data, and n is a preset number of the abnormal data. According to the log detection method and the system, the grammar compression is introduced to the log detection, so that various problems caused by general compression are avoided; moreover, the continuity of the log data is used, and the information density is used for judge whether the log has an exception, so that the log detection method and the system not only can avoid defects caused by a traditional design and the Markov method, but also is simple and effective, and accurate in predication, and complex parameters do not need to be set.

The invention discloses a low-power-consumption domino three-value character arithmetic circuit, which comprises a first character arithmetic circuit unit, a second character arithmetic circuit unit and a third character arithmetic circuit unit. The first character arithmetic circuit unit, the second character arithmetic circuit unit and the third character arithmetic circuit unit all achieve functions through a heat insulation circuit, a three-value character arithmetic circuit and a domino circuit. The low-power-consumption domino three-value character arithmetic circuit has the advantages of integrating the heat insulation circuit and the domino circuit into the three-value character arithmetic circuit, converting energy of circuits according to a sequence of a power supply-a signal node-a power supply through the heat insulation circuit, being capable of effectively reducing power consumption of the circuits, enabling the power consumption of the circuits to be low, enabling the circuits to have smaller area by combining the domino circuit with a multi-value circuit, further improving information density of the circuits, reducing the quantity of chip pins and connecting wires, and enabling the circuits to have simple structures.

An endoscope with a wide angle lens that comprises an optical axis that is angularly offset from a longitudinal axis of the endoscope such that the optical axis resides at an angle greater than zero degrees to the longitudinal axis. The wide angle lens system simultaneously gathers an endoscopic image field, the endoscopic image field at least spanning the longitudinal axis and an angle greater than ninety degrees to the longitudinal axis. The endoscope includes an optical lens system to at least partially even out the information density across an imaging surface area of the imager.

In order to solve the problem that a distributed sensing network communication channel is unstable, and has low network information density, the invention provides a method for collecting low information density data with scalable quality based on compressed sensing by maximally optimizing the data collecting quality through sensing data space-time correlation and the scalability of compressed sensing measuring matrix. The dimension of the measuring matrix is initially set based on the information density of a signal source, the dimension of the measuring matrix is adjusted based on real-time effective communication bandwidth, and the scalable control of data collecting quality is realized. Through expending and reducing of the measuring matrix, the data collecting quality can be dynamically adjusted according to the information density of the signal source and the network bandwidth state. The method is widely applicable.

Systems and methods are disclosed for performing processing involved with search, such as processing search information to return search results. In one exemplary implementation, there is provided a method for processing information to return search results including mixed-media media presentation(s) selectable by a user. Moreover, such method may involve user interaction to manipulate the presentation, display various media and / or effect other functionality. Further implementations may involve generation of interactive, visually rich mixed-media content of high information density providing improved user experience and / or improved value to various participants.