61 results about "Numeric Conversion" patented technology

An image-processing device and method for enhancing the luminance and the image quality of display panels, the device and method includes a color distribution calculating unit which classifies the original image-color data, and then calculates the ratio of the color data in block B2 to all input image-color data. A control-variable generating unit determines the value of the converting-control variable and the value of the backlight luminance-control variable according to the ratio. The converting-control variable will be output to a numerical converting unit so as to convert the original image-color (RGB) data to the new image-color (R′G′B′W′) data. The backlight luminance-control variable will be output to a backlight luminance-control unit so as to control the backlight luminance.

Homomorphic cryptography on numerical values in digital computing is described, including converting a numerical value encoded in a bit string of a first size to another bit string of a second size, which is different from the first size; encrypting the numerical value in the another bit string to produce a ciphertext; and storing the ciphertext.

This invention offers a new fixed-point number representation to represent the digital data after it is numerically conversed. This new representation includes two parts. The first part is that it setthe reserved number of least significant bits in the digital data as a dynamic dislocation value. This value represents the shifted digit capacity in numeric conversion. The other part is that it corresponds all the bits except the dynamic dislocation value to the partial bits of the digital data before numerical conversion. The partial bits includes at least a most important bit containing the numeric information.

The invention discloses a video processing device and method to improve brightness and quality of display panel, which comprise: using a color distribution calculation unit to decide and classify original video color data and calculate the rate of all data in the second block; using a control factor generation unit to determine a conversion control factor to convert original RGB data into (R'G'B'W') data and a backlight brightness control factor for a control unit to control the backlight brightness.

A method of digitizing an analog quantity from an electromagnetic radiation detector including a matrix of juxtaposed elementary sensors, including, for each line or column of the matrix, the steps of: integrating the analog quantity using an integrator stage; converting the integrated analog quantity to a first numerical value via a binary counter and a memory element connected to the output of a comparator stage; converting the first numerical value to an analog signal via an analog-to-digital converter; subtracting the analog signal from the analog quantity to be digitized; amplifying the signal resulting from the subtraction with a gain representing the first numerical value; integrating to produce a second numerical value proportional to the analog signal thereby amplified and forming a second binary number representing the least significant bits; and adding said first and second numerical values to form a number representative of the analog quantity to be integrated.

A method of digitizing an analog quantity from an electromagnetic radiation detector including a matrix of juxtaposed elementary sensors, including, for each line or column of the matrix, the steps of: integrating the analog quantity using an integrator stage; converting the integrated analog quantity to a first numerical value via a binary counter and a memory element connected to the output of a comparator stage; converting the first numerical value to an analog signal via an analog-to-digital converter; subtracting the analog signal from the analog quantity to be digitized; amplifying the signal resulting from the subtraction with a gain representing the first numerical value; integrating to produce a second numerical value proportional to the analog signal thereby amplified and forming a second binary number representing the least significant bits; and adding said first and second numerical values to form a number representative of the analog quantity to be integrated.

The invention discloses a white balance adjusting method, belongs to the technical field of white balance adjustment, and aims at solving the problems of large white point selection error, easy missing and accurate selection. The method comprises the steps of (1) acquiring a Bayer template RGB interpolation image, and converting the RGB image into a YCbCb image; (2) dividing the YCbCb image into a plurality of brightness level areas in a YCbCb space according to a brightness component Y, and counting Y, Cb and Cr components; (3) counting the statistic value of the candidate white point in each brightness level area and the quantity of the candidate white points falling in the area according to the counted Y, Cb and Cr components; (4) selecting white points from the top brightness level area by the double-threshold method; (5) acquiring average number of YCbCb through the selected white points; (6) converting the acquired YCbCb average number into R, G and B average values of the RGB space; (7) obtaining the channel gain for white balance adjustment according to the R, G and B average values so as to achieve the white balance processing of a colored image. With the adoption of the method, the stability and accuracy of statistics of the white points can be improved.

The present invention has its object to provide a document authenticity discriminating apparatus and a document authenticity discriminating method, in which authenticity can be discriminated with high accuracy at the time of discriminating authenticity of a presented document by acquiring picture images making use of a wavelength characteristic with respect to transmissivity and reflectance of light, and subjecting the acquired picture images to numeric conversion to find feature quantities. The present invention is characterized by making use of a wavelength characteristic for a document with respect to transmissivity and reflectance of light, extracting feature quantities, in which wavelength characteristic is subjected to numeric conversion, on the basis of picture images of the document picked up by light sources having a plurality of wavelengths, and discriminating authenticity of the document from the feature quantities.

The present invention provides a conversion method for converting numeric multi-dimensional database dimension members to textual representations. The conversion is specifically designed to enable the textual representations of the numeric dimension members to be properly sorted and converted back into numeric representations with accuracy. All numeric and date data is transformed during conversion, such that the textual representation of the numeric and date data is properly sorted as a text string, in the same order as it would be sorted as a number. The present invention also provides a means for accurate reverse-conversion (i.e., from textual representation to numeric representation) by first converting into text the information necessary to support the precision required by the relevant convention of the numeric representation. The present invention also provides a convention for determining the data type of the textual representations of values of various data types. The textual representation of mixed types is configured so that the sort order of different data types and the text string for numeric types will sort by value independent of the numeric data-types.

The invention provides a control logical circuit placed in a successive approximation analog-to-digital converter and comprising a starting circuit and N basic cell circuits which are connected sequentially. The starting circuit is used for starting analog-to-digital conversion according to a conversion request signal and a clock signal, and the basic cell circuits are used for completing the binary numeric conversion of corresponding digit bits in a corresponding clock cycle, receiving the feedback signal of a comparator, and adjusting the values of the corresponding digit bits; wherein each basic cell circuit also comprises a trigger Q8 used for storing and outputting corresponding bit values of corresponding successive approximation codes in different clock cycles. The N basic cell circuits comprise N circuits which are connected sequentially from a cell (N-1) circuit to a cell (0) circuit, wherein the cell (0) also comprises an ACK output port, and an initial assignment circuit is connected with a cell (N-2) circuit, etc., a cell (1) circuit and the cell (0) circuit and is used for generating initial assignment signals aiming at each basic cell circuit.

The invention provides a novel device to convert value to expression ways related to languages and method, which directly installs complex conversion rules in the numerical scheme functions internally to make users use Office software more conveniently and rapidly. The device to convert value to expression ways related to languages comprises an input device, a display device and a host computer mutually connected; wherein, the device to convert value to expression ways related to languages also comprises a scheme string recognition module for recognizing value scheme types of the expression ways related to languages, a conversion module for converting numbers needing to be converted to result string and a result type replication module for finishing type replication after conversion. The device of the invention can satisfy the requirement of converting value to Chinese small write oral reading method, requirement of converting value to Chinese literal oral reading method and requirement of converting value to Japanese / Chinese number common capitals.

A frequency synthesiser according to the direct digital synthesis method is provided. The frequency synthesiser includes a phase accumulator for the cyclical incrementation of a phase signal by a phase increment M present at the input of the phase accumulator, a memory unit with a table of sine-function values stored in its memory cells for the determination of sine-function values corresponding to phase values of the phase signal, a digital-to-analog converter for the conversion of time-discrete sine-function values into a quasi-analog sinusoidal time function and an anti-aliasing low-pass filter for smoothing the quasi-analog sinusoidal time function. The frequency synthesiser additionally contains an adder, which is connected between the memory unit and the digital-to-analog converter and which superimposes a non-periodic signal over the time-discrete sine-function values.

A device for performing numerical value conversion of a digital input value in a first unit to a second unit being a natural unit includes a look-up table storing an array of coefficients for performing the numerical value conversion. The look-up table is indexed using a first parameter to provide a selected coefficient. An arithmetic logic unit (ALU) is coupled to receive the digital input value and the selected coefficient and perform the numerical value conversion based on a first equation using the selected coefficient to compute a digital output value in the second unit. The first unit can be an arbitrary ADC unit and the second unit is a natural unit of physical measurement, such as volts, amperes, degree Centigrade. Furthermore, the device can be used to perform numerical value conversion from the arbitrary unit to the natural unit having a linear or a non-linear relationship.

The invention discloses a destination prediction method and system based on a path trajectory and a storage medium, and the method comprises the steps: carrying out numerical conversion of path data in a to-be-predicted order according to a preset conversion rule, and obtaining corresponding path trajectory representation data; inputting the corresponding path trajectory representation data into alocal sensitive hash model, and calculating according to an LSH algorithm to obtain a corresponding matching result; and clustering the corresponding matching results according to the number of destinations by adopting a K-Means algorithm, calculating the path similarity of the matching results in each cluster according to a similarity measurement formula, and selecting the path with the highestsimilarity in each cluster as a multi-destination prediction result. The approximate path set can be matched through the hash model, different methods are adopted for predicting unique destinations, screening multiple destinations and other different problems, the destination prediction capacity based on the path trajectory is improved, and reference is provided for applications where personal information of users or drivers is unavailable.

The invention discloses a method for extracting events from news. The method comprises the steps that summary information in the news is extracted to serve as affiliated events, news text is subjectedto numeric conversion to obtain vector representation of the text, the degree of similarity of the news is calculated by means of a clustering method, and on the basis of the degree of similarity, the news is classified rapidly according to the affiliated events; the news belonging to the same event can be clustered together easily and effectively, new heat of the news is obtained, and subsequentpublic opinion monitoring is facilitated. By means of the method, mass news information can be classified easily, rapidly and effectively, guidance is provided for public opinion analysis, the monitoring strength of public opinions is further improved, and decision support and public opinion guidance can be made in time.

The application relates to a screenshot generation method, device, computer device and a storage medium. The method comprises following steps: receiving a screenshot instruction; obtaining an array ofbitmap pixel points of the current interface according to the screenshot instruction, and obtaining a page identifier of the current application page; searching for environment parameters to be obtained corresponding to the page identifier; obtaining environment parameter values corresponding to the environment parameters to be obtained, and converting the environment parameter values into a standard character array; writing the standard character array to the bitmap pixel array according to a default steganography logic, and generating a screenshot of the current interface according to the bitmap pixel array after the standard character array is written in. This method can improve the location efficiency of application anomalies.

The invention provides a power grid information security evaluation method and apparatus based on AHP and big data, and relates to the technical field of information security. The security evaluationmethod comprises the following steps: obtaining a weight vector corresponding to a judgment matrix of a risk evaluation parameter in a power-specific longitudinal encryption authentication device by using an analytic hierarchy process AHP; determining a specific numerical value of the risk evaluation parameter based on a normal distribution table, and converting the specific numerical value into adifference vector; and obtaining a product of the weight vector and the difference vector, and determining a security risk of the power-specific longitudinal encryption authentication device based onthe product. According to the security evaluation method, the analytic hierarchy process is combined with big data to analyze the risk evaluation parameter, so that the accuracy and comprehensivenessof the security evaluation result of the power-specific longitudinal encryption authentication device is improved.

The invention provides a numerical conversion method and device, and a mobile phone, wherein the numerical conversion method comprises the following steps of: firstly, obtaining the types of languages used by users, obtaining decimal counting units corresponding to the types of the languages used by the users, then, determining positions, where one or more decimal counting units corresponding to the types of the languages used by the users are added in numerical values, wherein the numerical values include numerical values input by the users and numerical values obtained by operation, and adding the decimal counting units corresponding to the positions at various positions so as to obtain converted numerical values. The types of the languages used by the users can be identified; furthermore, numerical conversion is subjected to adaptive adjustment according to the types of the languages used by the users; reading requirements of different users can be satisfied; the numerical values are convenient for the users to read; the wrong inputting phenomenon or wrong reading phenomenon can be avoided; and the experience degree of the users can be improved.

The invention discloses a data processing method, which comprises the steps of receiving a data processing request message, wherein the data processing request message carries a first numerical value, an identifier corresponding to the first numerical value, the type of the first numerical value and a first rule used for processing the first numerical value; determining various numerical values recorded in the stored data according to the identifier corresponding to the first numerical value; after the various numerical values and the first numerical value are converted into numerical values with the same type according to the recorded types of the various numerical value and default rules, processing the numerical values meeting the processing demands of the first rule according to the first rule. According to the data processing method, numerical values with different types can be processed and the method is not limited to process the numerical values with the same type and is especially suitable for numerical value processing in financial institutions.

The invention provides a golden ratio three-piece female dress type template, three-piece female dress and a template making method. Golden ratio segmentation is introduced into a three-piece female dress structural design, coefficients in an empirical fit formula are removed, in combination, a drawing waistline is divided into 34 equal parts to replace numeric conversion to set dart positions, dart values and style design, and the dart values are prevented from being complicatedly calculated and distributed along with the increase and decrease of the waistline, so that teaching and learning of garment design are no longer worried along with different specifications and inaccurate presentation of part joint, no matter how the audience specifications change, the dress pieces are always scientific and orderly and do not lose shape based on the design without the need for repeated modification and repeated manufacturing of the dress template, the productivity is improved, and the cost isreduced.

The invention relates to a genetic optimal controlling technology of a piler, which is used for performing speed optimization control on the operation process of a piler by means of a neutral network and a genetic algorithm so as to reduce vibration produced in the high-speed operation process of the piler. A neutral network mapping model between the vibration state of the piler and main operating parameters is created on the basis of the main operating parameters in the operation process of the piler, and vibration data produced in the operation process of the piler are used; the operating speed optimization for minimum vibration in the operating process of the piler is carried out on the basis of the created neutral network mapping model by using the genetic algorithm; and an operating speed control curve of the piler is obtained on the basis of the piler operating speed obtained through optimization, and the speed control on the piler is realized by using the numeric conversion of a programmable logic controller and a variable-frequency controller.

The invention relates to a system and a method for converting time information. The system and the method are applied to embedded equipment. A numeric value converting unit of the system is used for converting text information of time period information records into numerical values, the time period information records are represented by characters, the numerical values are stored and form numerical value information lists, the numerical value information lists comprise numerical value information records and are stored in a storing unit; a first judging unit is connected with the numerical value converting unit, is used for judging whether the numerical value information records in the numerical value information lists are continuous or not, and records judging results; a second judging unit is connected with the numerical value converting unit, is used for judging whether the numerical value information records in the numerical value information lists are reduplicated or not, and records judging results; a character converting unit is connected with the first judging unit and the second judging unit respectively and is used for converting the numerical value information records in the numerical value information lists into the time period information records represented by the characters. The system and the method have the advantages that the time period information records in schedules can be converted into the numerical values by the numerical value converting unit, the numerical values can be processed and stored by the embedded equipment, the occupied space is small, and the processing efficiency can be improved.

The invention relates to the technical field of coordinate track encryption, in particular to a coordinate track encryption and decryption method and system. The encryption method comprises the stepsthat a set of character sequence is set randomly as an encryption factor of a current coordinate track, all characters in the encryption factor are different and include multiple special characters and multiple decimal characters; on the basis of the encryption factor, a value of each dimensional of each coordinate in the current coordinate track is converted into a corresponding decimal characteror the combination of a corresponding special character and a decimal character; the decimal characters obtained through conversion and the combination of the special characters and the decimal characters are sorted according to a preset sequence to form an encryption character sequence corresponding to the current coordinate track. The coordinate track is compressed while the coordinate track isencrypted, and the coordinate track is decrypted and reduced.