364results about How to "Show well" patented technology

The invention discloses a method and a device for fusing infrared and visible light images based on spectral wavelet transformation. The method comprises the steps of performing spectral wavelet decomposition on an infrared image and a visible light image according to four decomposition scales to obtain a low-frequency sub-band coefficient and high-frequency sub-band coefficients, fusing the obtained low-frequency sub-band coefficient and the high-frequency sub-band coefficients at different decomposition scales according to a fusion rule, and performing spectral wavelet transformation on the fused low-frequency sub-band coefficient and high-frequency sub-band coefficients to obtain a fused image. The invention also discloses a device for fusing infrared and visible light images based on spectral wavelet transformation. According to the method and the device for fusing infrared and visible light images based on spectral wavelet transformation, the images of irregular images can be expressed better; a weight of image fusion is obtained by virtue of bilateral filtering so that the definition, the contrast ratio, the amount of information and the like of the fused image can be effectively improved, and consequently, a better-fused image can be obtained.

The invention provides a collaborative filtering-based video program recommendation system, which comprises a user model creation module, a user similarity calculation module, a nearest neighbor set generation module, a columns score generation module and a recommendation module. The recommendation method comprises the steps of setting a reward item and increasing the effect of a dark-horse column on the user similarity. Based on the above recommendation method, the computational complexity is reduced by utilizing a user similarity matrix M. the rating of the above recommendation method is realized based on the weighted average of the nearest-neighbor similarity. In this way, the user preference is fully analyzed and the potential interest points of users can be found out.

The invention relates to a document semantic representation method based on thematic word class similarities and a text classification method and device. The document semantic representation method based on thematic word class similarities comprises the steps that (1) a word vector model is used to train a corpus, and word vectors are obtained; (2) clustering is performed on the word vectors in asemantic space; and (3) a WMD algorithm is used to calculate the distance between a to-be-represented document and each category obtained through clustering, and the obtained distance is used as semantic representation of the to-be-represented document. Then document classification is realized by calculating the similarities among semantic representation vectors of the document. Through the document semantic representation method, according to semantic information, word frequency and other information of texts, transfer cost between text words and clustering sets is calculated through the WMDmodel, each text is represented with one low-dimensional dense vector containing the semantic information, text information can be better represented, the classification task is high in accuracy, andthe method can be applied to natural language processing tasks such as information retrieval and text classification.

The invention discloses a vehicle routing problem modeling and optimization method with time window based on constraint programming, belonging to the field of intelligent transportation. The method comprises: 1. establishing the basic mathematical model according to the description of the routing problem of a vehicle; 2. based on the mathematical model of vehicle routing problem, establishing thebasic constrained programming model of vehicle routing problem with time windows. 3, adding other constraint conditions reasonably to optimize the model and speed up the solution of the model; 4, importing a benchmark test package of the verification and test model, and reading the customer point information; 5, a CPLEX optimizer being used to solve the constrained programming model of vehicle routing problem with time windows. The modeling and optimization method provided by the invention is convenient to describe and express the complex constraint conditions of the problem, and the model iseasy to be expanded. Heuristic constraints are reasonably added, which greatly reduce the search space and accelerate the solution. The exact global optimal solution can be obtained.

The invention relates to an ammonia gas leakage protecting device which comprises a first ammonia gas detecting unit, a second ammonia gas detecting unit, a data collection control unit, a refrigeration action unit, a single freeze action unit, a communication unit and an emergency illuminance unit. The first ammonia gas detecting unit is arranged in a refrigerating station, the second ammonia gas detecting unit is arranged in a single freezing area, and ammonia gas detectors are arranged in the two ammonia gas detecting units. The data collection control unit comprises a data collection module, a comparison module, a storage module and a logic control module. The refrigeration action unit comprises a first exhaust fan controller, a first spray controller and a first valve controller. The ammonia gas leakage protecting device can detect the ammonia concentration in the refrigerating station and in the single freezing area of a manufacturing shop. In addition, after data collection, all controllers are started, and loss caused by ammonia gas leakage can be prevented.

The embodiment of the invention provides a search result sorting method and device, electronic equipment and a storage medium. The method comprises the following steps that: obtaining the query request and the characteristic information of a user; aiming at the query request, carrying out retrieval, and obtaining a search result; according to the characteristic information of the user, judging a user scene; determining a target requirement type corresponding to the user scene; and according to the target requirement type, determining a sorting scheme for the search result. In the embodiment ofthe invention, the user scene where the user is positioned at present is judged, the target requirement type corresponding to the user scene is searched, user requirements can be more efficiently andaccurately determined, and the search result related to the user requirements is more favorably displayed to the user.

The invention relates to digital TV with bluetooth communication function, which comprises: the data I/O port and audio I/O port of bluetooth communication module connect to a group serial I/O ports of MPU and TV circuit audio I/O port, respectively; another group data output ports of the MPU connect to video input port of TV circuit; the bluetooth module receives grouped data of picture by asynchronous connectionless channel and sends to MPU for unpacking treatment into digital video signal to send to TV circuit for display; the MPU frame samples the video output signal of TV circuit to group and pack and send to the bluetooth module; the bluetooth module receives the audio signal by synchronous facing-connection channel to transmit to TV circuit for play; TV circuit sends the audio signal to bluetooth for transmission outward by synchronous facing-connection channel.

The invention discloses a method and system for training an image-subject significance determining classifier, a method and system for determining image-subject significance, and a method for searching images via visual characteristics. The method for training the image-subject significance determining classifier comprises the following steps of using A images of subject significance as a positive sample, and using B images of subject non-significance as a negative sample, wherein A and B are positive integers; extracting visual characteristics, which comprise visual significance levels, from the positive and negative samples in multiple dimensions; and training the image-subject significance determining classifier by utilizing the extracted visual characteristics. According to the methods and systems of the invention, whether an image subject has significance can be rapidly and accurately determined, thereby helping image examination, screening and retrieval, etc.

The invention discloses an implementation method of client side page presentation used for enterprise information push application. The method comprises the following steps: a template developer configures a business presentation page for enterprise application into an XML page presentation template in an XML format based on the specific application condition of the enterprise; and a client side acquires template information from an enterprise application proxy device, and locally completes analysis and presentation of the related XML business template. The method causes the implementation of the page presentation of the enterprise information by the client side to be more universal and convenient; and can cause a user to obtain the best experience by separating a bottom layer from the business.

The invention discloses small-particle yellow rare-earth fluorescent powder and a preparation method and a purpose of visualizing a latent fingerprint thereof. The general structure formula of the fluorescent powder is Y3-x-yCexGdyA15O12, wherein the x is not less than 0.1 and no larger than 0.4, y is no less than 0.1 and no larger than 0.4 and the particle size is between 1.5 to 3 Mum. The preparation method comprises the steps of weighing up raw materials according to the stoichiometric ratio of the structure formula, grinding and evenly mixing up the raw materials, sintering the raw materials with high-temperature solid-phase method to obtain powder and obtaining the small-particle yellow rare-earth fluorescent powder by adopting an ultrasonic dispersion technology after the powder goes through a mesh with 300 to 400 eyes. The small-particle yellow rare-earth fluorescent powder can be applied to visualizing the latent finger print after being amido-functionalized by gamma-Aminopropyl triethoxy silane and being mixed with reduced iron powder which goes through a mesh according to a certain ratio. The fluorescent powder provided by the invention has even and small particles, high fluorescent intensity, the excitation wave length between 460 to 480nm which is within the range of the light source commonly used in criminal investigation and the emission wave length between 520 to 570nm, is conducive to visualizing the latent finger print on the site and eliminating the disturbance of the object background and is important for establishing a high-efficient, non-toxic, lossless and convenient finger print visualizing method.

The invention provides a method and device for cleaning up resources of a terminal and the terminal. The method comprises the step of receiving a cleaning-up instruction and obtaining the resources stored on the terminal according to the cleaning-up instruction, the step of processing the resources and storing processed resources, wherein storage space occupied by the processed resources is smaller than storage space occupied by the resources, and the step of inquiring whether the resources are stored on a server, wherein if the resources are stored on the server, a deletion prompt message is displayed, and the resources are deleted according to operation executed by users. According to the method and device for cleaning up the resources of the terminal and the terminal, the occupation of the storage space of the terminal by the resources can be greatly reduced; meanwhile, before the resources are deleted, it is guaranteed that the corresponding resources are stored on the server, and therefore the users can show the resources again conveniently.

The invention discloses a comment information quality evaluation method and system. The method includes the following steps that: an entire comment text is obtained; equal-information amount short sentence segmentation is performed on the entire comment text, so that short sentence units can be obtained; the information entropy-based information values of the short sentence units are determined; the weights of the information values of the short sentence units are adjusted on the basis of industry information; and the quality of the entire comment text is determined according to the information values of the short sentence units. The invention also discloses a comment information processing method and system. With the methods and systems of the invention adopted, the objective and accuratequality evaluation of comment information can be realized, and thus, more effective reference information can be provided for user transactions.

A security visual analysis system based on company internal security log in big data scenario is provided. Based on the perspective of internal network user behavior, the internal network security threat events are mining in visual form, and the internal employee network behavior data are displayed in a variety of visual views, which can make the employee user behavior information be better displayed; the security visualization analysis system is divided into five levels: a data cleaning layer, a data storage layer, a data processing layer, a data transmission layer and a data visualization layer. The invention can make the safety maintenance personnel more intuitively and effectively find the abnormal situation of the internal user behavior.

The invention provides rare earth long-persistence luminescent powder, a preparation method and a method of applying the powder as a latent fingerprint revealing reagent. The structural general formula of the rare earth long-persistence luminescent powder is M1-x-yAl2O4:Eux<2+>, Dyy<3+ > (x=0.005, and y=0.011), wherein M is any one of Sr, Ca or Ba; and the grain diameter of the long-persistence luminescent powder is 1-3 microns. The rare earth long-persistence luminescent powder is prepared by a sol-gel method. The method of applying the powder as the latent fingerprint revealing reagent comprises the following steps: the rare earth long-persistence luminescent powder is mixed with reduced iron powder; then the compound is used to reveal the latent fingerprint on an object; white light or UV-light excitation is used to collect fingerprint images or self-luminous images. The preparation method of the rare earth long-persistence luminescent powder is simple; the excitation wavelength coverage of the prepared rare earth long-persistence luminescent powder is wider and the emission wavelength coverage is narrower, so that the powder is convenient to reveal the latent fingerprint in the field. The powder has the characteristics of higher fluorescent intensity and long persistence (self-luminous); and after the fingerprint is revealed, the object background interference can be effectively eliminated. The powder is non-toxic, lossless and environment-friendly.

The invention discloses a method for determining a duct piece splicing point position of a universal ring for subway shield construction. The method comprises the following steps: performing shield tunneling construction on a constructed tunnel from back to front along the central axis of the tunnel by adopting a shield tunneling machine; after a ring of the shield tunneling construction is completed, performing shield duct piece splicing construction; before any ring of shield duct piece splicing construction, determining the duct piece splicing point position of shield duct pieces of the current ring first, wherein the method for determining the duct piece splicing point position comprises the following processes: firstly, determining selectable splicing point positions; secondly, determining selection influence indexes and weight coefficients thereof: respectively determining the three selection influence indexes which influence the selection of the duct piece splicing position point and the weight coefficients thereof; thirdly, performing selectivity evaluation on the selectable splicing position points: respectively evaluating the selectivity of each selectable splicing position point according to a weight coefficient method, and determining the duct piece splicing point position of the current shield duct piece. The method disclosed by the invention is simple in step, reasonable in design, convenient to implement and good in using effect, and can determine the splicing point position of the duct pieces of the universal ring easily, conveniently and accurately.

The invention discloses a tuning effect self-matching method and system. The method comprises the following process of through pre-caching of to-be-played music, obtaining an audio source file of a current to-be-played audio file; judging a music type of the current to-be-played audio file; judging whether a music effect parameter of the audio file needs to be changed or not according to the music type; if the music effect parameter needs to be changed, searching the music effect parameter corresponding to the music type of the audio file from a database and matching the music effect parameter with the current to-be-played audio file; and decoding and playing the current to-be-played audio file according to the music effect parameter. According to the method and the system, a function of automatically matching the corresponding music effect parameter for each audio file is achieved, so a user can enjoy the music well.