Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

783results about How to "The result is obvious" patented technology

Dense connection generative adversarial network single image super-resolution reconstruction method

ActiveCN110570353AFully extract high-frequency abstract featuresPreserve low-level featuresGeometric image transformationNeural architecturesPattern recognitionImaging processing
The invention belongs to the field of video and image processing. The objective of the invention is to further improve the reconstruction effect and reconstruction precision of a high-resolution image, promote the structure of the generative adversarial network and the improvement of a loss function; the invention discloses a dense connection generative adversarial network single image super-resolution reconstruction method. A generation network and an adversarial network are included. A basic framework of a residual dense network RDN is adopted by the generation network; the adversarial network adopts a deep convolution generative adversarial network DCGAN discriminator network framework; the low-resolution image is used as an input and is sent into a generation network for processing; and the obtained output is sent to the adversarial network for judgment, a judgment result is fed back to the generative network through a loss function, the steps are repeated until the adversarial network is judged to be qualified, the generative network can generate a clear image, and then super-resolution reconstruction of a low-resolution image is completed by using the trained generative network. The method is mainly applied to image processing occasions.
Owner:TIANJIN UNIV

Simulation system and simulation method for three-dimensional comprehensive situations of space mission

The invention discloses a simulation system and a simulation method for three-dimensional comprehensive situations of a space mission. The simulation system comprises a space satellite trail and posture modeling module, a satellite frame modeling module, a coverage area analysis and modeling module, a data tracking and receiving modeling module, a time management module, a coordinate system management module and a three-dimensional visualizing simulation module, wherein the time management module is used for providing simulation time and various time standards of astronomical time for simulation of the space mission; the coordinate system management module is used for providing various coordinate systems such as a celestial coordinate system, an earth fixed connection coordinate system, a moving coordinate system and the like to describe moving rules of moving objects; and the three-dimensional visualizing simulation module is used for three-dimensional visual display, playback and deduction for situation analysis and modeling results, capable of controlling acceleration, deceleration, pause and start of a simulation process according to the simulation mission or a demonstration script, and capable of providing a powerful guarantee for display of the space comprehensive situations and analysis and demonstration of a focused simulation stage.
Owner:THE 28TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP

Protein secondary mass spectrometric identification method based on probability statistic model

InactiveCN102495127AMore identificationThe result of the identification method is excellentMaterial analysis by electric/magnetic meansProtein DatabasesMass number
The invention discloses a protein secondary mass spectrometric identification method based on a probability statistic model. The method comprises the following steps of: firstly, virtualizing an enzymolysis protein database array, and establishing a peptide section database and a peptide section database index for peptide sections processed by the enzymolysis according to the mass number of the peptide sections; secondly, finding out standby peptide sections meeting the requirements from the peptide section database according to a nuclear-cytoplasmic ratio of parent ions in an experiment map to be analyzed, and generating a theoretical map meeting the requirements by all the standby peptide sections; thirdly, removing isotopes and noises from the experiment map to be analyzed; matching the processed experiment map to be analyzed and the theoretical map of each standby peptide section and grading, and selecting the standby peptide section with the highest score as an identification result of the experiment map; and finally, carrying out whole false positive control according to all the experiment map identification results. According to the invention, the quantity of effective massspectrums and the quantity of the protein peptide sections are higher than those of an existing algorithm; and the method has the advantages of capability of dynamically selecting peaks and fast operation speed.
Owner:JINAN UNIVERSITY

Uncooled double-field-of-view infrared optical system

The invention relates to an uncooled double-field-of-view infrared optical system and belongs to the technical field of optics. A first positive meniscus lens, a second double-concave negative lens, a diaphragm, a third double-convex positive lens, a fourth double-convex positive lens, a fifth negative meniscus lens and a detector are coaxially arranged from an object space to an image space, wherein the second double-concave negative lens can axially move between the first lens and the diaphragm to form a narrow-field-of-view light path and a wide-field-of-view light path respectively. The system is provided with two optical fields of view, namely a wide field of view and a narrow field of view, wherein the wide field of view is used for target detection, and the narrow field of view is used for target identification; due to an aspheric design, the double-field-of-view optical system has higher degree of freedom, alternative variables for optimization design are increased, and an optical aberration design is easy to obtain high image quality; and because transformation and focusing compensation of the two fields of view are realized due to movement of the same lens, movement mechanisms in the system are reduced, the rest components in the light path are fixed parts which are easy to assemble and debug, and the assembling and debugging difficulty of the system is reduced greatly.
Owner:LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC

Sentiment analysis method based on Skip-gram model fusing part-of-speech and semantic information

The invention discloses a sentiment analysis method based on a Skip-gram model fusing part-of-speech and semantic information. The method includes five steps of data preprocessing, part-of-speech information modeling, word vector representation, semantic information modeling and sentiment analysis. Data preprocessing includes filtering, word segmentation and part-of-speech labeling. Part-of-speechinformation modeling contains context-based modeling on part-of-speech information. A word vector representation module carries out vector training on the Skip-gram model fusing the part-of-speech information. The semantic information modeling module includes text representations fusing sentiment semantic information. Compared with the prior art, the method considers the part-of-speech information and the sentiment semantic information of words, fully uses the part-of-speech information of the words for helping in word vector training and the sentiment semantic prior-information for helping in learning of text vectors on the basis of modeling on the part-of-speech information of the words and fusion of the semantic information, enables the represented text vectors to more accord with linguistic features, and has good results for sentiment analysis.
Owner:HUAZHONG UNIV OF SCI & TECH

Fluorescent quantitative PCR detection system based on bottom scan detection

The invention discloses a fluorescence quantitative PCR detecting system based on bottom scanning detection, comprising a temperature changing metal module capable of being inserted with a plurality of test tubes, a semiconductor freezer and a radiating device which are arranged into a whole in sequence from up to bottom. The system is characterized in that test tube slots of the temperature changing metal module are through holes running through the temperature changing metal module, the semiconductor freezer and the radiating device; the radiating device is a thermotube radiator, the thermotube extends to the outside of the whole structure, the extending end is connected with a radiator fin; a photoelectric detector is positioned at the bottom of the radiating device of the whole structure and is driven to scan by an electric motor; and the reagent fluorescence is detected from the bottom of the test tubes. The adoption of the system contributes to improving the luminous efficiency, obtaining higher fluorescence sensitivity and the fluorescence signal intensity, and improving the stability, ensures that the detection result is more accurate, realizes the rapid temperature rise and temperature reduction as well as the accurate temperature control of the temperature changing metal module, and greatly prolongs the service life of the temperature changing metal module.
Owner:HANGZHOU BIOER TECH CO LTD

Conjoint analysis method for electroencephalograph and electromyography signals based on autonomous movement and imagination movement

A conjoint analysis method for electroencephalograph and electromyography signals based on autonomous movement and imagination movement comprises the steps of performing system setup, and using a LabVIEW 8.6 to generate square wave pulse signals; respectively collecting electroencephalograph signals and electromyography signals including electroencephalograph signals and electromyography signals in autonomous movement modalities and in imagination movement modalities; performing noise removal pretreatment on collected original data; performing electroencephalograph and electromyography time-domain signal analysis in the autonomous movement and imagination movement modalities on electroencephalograph and electromyography signal time-domain pictures which are performed with noise removal pretreatment in the autonomous movement and imagination movement modalities; performing time-frequency signal analysis on electroencephalograph and electromyography signals performed with noise removal pretreatment and in the autonomous movement and imagination movement modalities based on Morlet wavelet transformation; and performing partial directional coherence analysis, and in particular adopting granger causality to perform the partial directional coherence analysis. The conjoint analysis method provides new evaluation parameters for monitoring recovery auxiliary equipment and assessing organism movement level.
Owner:中电云脑(天津)科技有限公司

Method for optimizing electric-quantity-constrained monthly unit commitment and based on induction target function

The invention discloses a method for optimizing electric-quantity-constrained monthly unit commitment and based on an induction target function and belongs to the technical field of power dispatching automation. The method includes building a mathematical model of a monthly unit commitment plan according to unit commitment basic data, building a mathematical model of a loose monthly unit commitment plan and calculating the model to obtain the loose monthly unit commitment plan, counting the number of start-stop variables with the value as 0 or 1 in the loose monthly unit commitment plan, building the induction target function of the mathematical model of the loose monthly unit commitment plan, conducting iteration optimization till the number of the start-top variables with the value as 0 or 1 stops increasing, adopting the induction target function to obtain the monthly unit commitment plan, conducting further optimization if a deviation factor of the monthly unit commitment plan is larger than a deviation threshold and finishing optimization otherwise. The method can be used for optimizing the electric-quantity-constrained monthly unit commitment plan, calculation efficiency is remarkably improved, and the method has important practical significance and good application prospects.
Owner:TSINGHUA UNIV

Alternating current and direct current interconnected power grid wind and fire coordination dynamic economy scheduling optimization method

The invention discloses an alternating current and direct current interconnected power grid wind and fire coordination dynamic economy scheduling optimization method and belongs to the technical field of electric power scheduling automation. The method comprises the following steps: dynamic economy scheduling optimization fundamental data is obtained, a main model for dynamic economy scheduling optimization and sub-models for a plurality of periods of time are constructed; the main model for dynamic economy scheduling optimization is subjected to solving operation; an optimal solution is obtained; a calculation result is transmitted to the sub-models for the plurality of periods of time; the optimal solution for the main model is substituted into the sub-models and serves as a known condition for constructing a sub-model constraint, optimization objects of all the sub-models are subjected to parallel computing and verifying operation; if the optimization objects omega of all the sub-models are 0 or reach a maximum number of iterations, the obtained result is used as an optimal solution for the alternating current and direct current interconnected power grid wind and fire coordination dynamic economy scheduling optimization. The method disclosed in the invention can be used for optimizing a current electricity generating plan for an alternating current and direct current interconnected power grid containing wind power and thermal power; calculation precision and calculation efficiency are effectively improved, safety of a power generation and transmission plan is safeguarded, and important practical significance and good application prospects can be realized.
Owner:TSINGHUA UNIV +2

Positron emission tomography (PET) and computed tomography (CT) cross-modality medical image fusion method based on wavelet transform

The invention discloses a discloses a positron emission tomography (PET) and computed tomography (CT) cross-modality medical image fusion method based on wavelet transform, comprising the following steps shown in the figure 1: fixing a patient in a locating frame; acquiring a PET image according to the frame and simultaneously utilizing the locating frame to acquire a CT image; respectively extracting the PET image and the CT image; registering the extracted PET image and the extracted CT image according to locating points obtained in the locating frame; carrying out wavelet decomposition and variation solving fusion on the rectified PET image and the registered PET image and the registered CT image; and finally carrying out wavelet inverse transformation on the PET image and the CT image which are subject to fusion to generate a fused image. The invention has the advantages that rectification is carried out on the acquired PET image and the acquired CT image by an external label point-based method, and a variation method is innovatively proposed to be applied to a wavelet region, thus realizing the accurate fusion of PET and CT cross-modality medical image; and the method is simple in operation and accurate in results, and has important application value and economic benefits in clinical applications.
Owner:徐子海 +1

Image over-segmenting optimization method based on multi-target evolution clustering and spatial information

InactiveCN101499136AImage clustering and segmentation methods are stableImprove adaptabilityImage analysisCharacter and pattern recognitionCluster algorithmPattern recognition
The invention relates to an image overdivided optimization method based on multi-object evolutionary clustering and space information for applying the space information of the multi-object evolutionary clustering algorithm to the image overdivided optimization which includes steps as follows: (1) processing watershed pre-divide to an input image for obtaining overdivided result image; (2) stating characteristic of each area in the overdivided result image as data of the multi-object evolutionary clustering; (3) actualizing the multi-object evolutionary clustering, optimizing an object function added the space information by using the multi-object evolutionary clustering method, processing clustering to each area characteristic of the overdivided result image for obtaining a non-dominated solution set; (4) integrating the non-dominated solution set for obtaining final solution; (5) outputting the optimization result of the overdivided image according with final solution. The method introduces the multi-object evolutionary algorithm into the image dividing field for making the image clustering dividing method more stably and having better adaptability; the method uses the image space information that makes the image optimization dividing inner is more compact.
Owner:XIDIAN UNIV

Chinese text keyword extraction method based on document theme structures and semantics

The invention discloses a Chinese text keyword extraction method based on document theme structures and semantics, and relates to keyword extraction. The method includes the steps: text preprocessing;Chinese segmentation and part-of-speech tagging; stop word filtering and part-of-speech filtering; keyword extraction. The basic conception of text keyword extraction, Chinese segmentation and English segmentation differences and a common Chinese text keyword extraction method are introduced. A method based on the document theme structures and a method based on semantics are researched, and the principle and an existing implementation scheme are analyzed. In order to overcome difficulty in new word identification in Chinese segmentation, Chinese segmentation effects are continuously improvedby the aid of a dynamically updated segmentation dictionary. The method based on the document theme structures is improved, and global keywords are extracted. Semantic similarities of Chinese words are taken into account, and an algorithm is further improved. The improved algorithm is verified in a self-built data set, good results are acquired by verification experiments and comparison experiments, and keyword extraction effects can be improved by the improved algorithm.
Owner:厦门纵横集团科技股份有限公司

Hand vein recognition method based on fusion of structure coding characteristics and texture coding characteristics

The invention provides a hand vein recognition method based on the fusion of structure coding characteristics and texture coding characteristics, belonging to the technical field of intelligent monitoring in computer vision. The method comprises the following steps of: step 1, acquiring and preprocessing an image; step 2, extracting the structure coding characteristics; step 3, extracting the hand vein texture coding characteristics; step 4, fusing the structure coding characteristics with the hand vein texture coding characteristics; and step 5, performing recognition through a sorter, thereby obtaining a result. The invention provides the hand vein recognition method based on the fusion of the structure coding characteristics and the texture coding characteristics, wherein binary coding is performed on the extracted structure characteristics and texture characteristics, which is advantageous for the retention of information in the characteristic fusion; the result obtained by fusing the characteristics is far better than the result of recognition obtained by only employing the structure coding characteristics and the result of recognition obtained by only employing the texture coding characteristics; and the robustness for image distortion and wrong segmentation is high, therefore, the hand vein can be correctly recognized in the presence of certain image distortion and wrong segmentation.
Owner:NORTH CHINA UNIVERSITY OF TECHNOLOGY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products