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86 results about "Cost prediction" patented technology

To predict future costs, a cost functionis often specified and estimated statistically. The cost function may be either linear (i.e., y= a+ bx) or nonlinear. The estimated cost function must pass some statistical tests, such as having a high r-squared (r-SQUARED)and a high T-value, to provide sound cost prediction.

Fast and efficient video coding intra mode determining method

The invention discloses a fast and efficient video coding intra mode determining method. The fast and efficient video coding intra mode determining method includes the steps of prediction manner configuration and prediction mode selection. According to the prediction mode selection, the correlations between brightness intra prediction modes of a current CU layer and brightness intra prediction modes of CU layers above the current CU layer, the correlation between CBF and TU segmentation depth, and the correlations between chroma intra prediction modes of adjacent CU layers are utilized, and redundant intra mode prediction can be skipped, and therefore, coding computation complexity can be decreased. According to the correlation between a cost function and RDcost and the correlations between chroma intra prediction modes and brightness intra prediction modes, a minimum-cost prediction mode and an optimal brightness prediction mode in RMD are added in a brightness and chroma intra prediction process, and therefore, video coding efficiency and video quality can be ensured. Compared with high efficiency video coding (HEVC) standards in the prior art, the fast and efficient video coding intra mode determining method of the invention can greatly decrease coding computation complexity under the premise that bit rate and video quality are almost unchanged.
Owner:EAST CHINA UNIV OF TECH

Server integration method oriented to minimum energy consumption

The invention provides a server integration method oriented to minimum energy consumption. The server integration method oriented to minimum energy consumption includes that resource states and performance data of servers and virtual machines on the servers are periodically obtained, and meanwhile, energy consumption of the servers is periodically measured by an external-connected wattmeter on a physical server to be stored; resource state data of the servers, resource state data of the virtual machines, performance data of the servers and the performance data of the virtual machines are periodically collected, and data pre-processing is performed; a server energy consumption model is established; a virtual machine transfer cost prediction model is established; transfer cost prediction value of each virtual machine is obtained; virtual machine comprehensive assessment is performed by means of an improved analytic hierarchy process; service stability index of the servers is calculated; a server integration scheme is determined; server integration is performed. According to the server integration method oriented to minimum energy consumption, the virtual machines are transferred to proper servers by means of a dynamic packing algorithm according to virtual machine resource required quantity and server resource surplus, and the number of starting servers is the minimum under the condition of stable service operation.
Owner:北京点为信息科技有限公司

Cost prediction method, apparatus, server, and storage medium based on prediction model

The embodiment of the invention discloses a cost prediction method based on a prediction model, DEVICE, SERVER AND STORAGE MEDIUM, The method comprises the following steps: receiving a cost predictionrequest sent by a terminal, wherein the cost prediction request carries patient information, the patient information comprises patient basic information and diagnosis and treatment information, the diagnosis and treatment information comprises disease name and treatment plan information corresponding to the disease name, and the patient basic information comprises region information and age information; Obtaining the first target information from the patient information according to an input item of the cost prediction model; inputting The first target information into a cost forecasting model for processing to obtain the forecasted cost information, and training the cost forecasting model according to the history forecasted cost information and the history first target information obtained from the history patient information; sending The predicted cost information to the terminal. By adopting the embodiment of the invention, the predicted cost information corresponding to the treatment scheme can be quickly determined, so as to provide a reference for judging whether the diagnosis and treatment cost is reasonable or not.
Owner:深圳平安医疗健康科技服务有限公司

Energy saving expert system based on energy consumption device models

The invention discloses an energy saving expert system based on energy consumption device models and a control decision method. The system comprises a model simulation module, a cost forecasting module and an expert suggestion determining module, wherein the model simulation module is used for simulating a plurality of energy consumption device models according to real-time measured data and preset constraint conditions of a current energy consumption device, and obtaining a plurality of simulation results; the cost forecasting module is used for obtaining a forecast cost of each simulation result according to an objective function; and the expert suggestion determining module is used for determining expert suggestions on the current energy consumption device according to the forecast cost. According to the energy saving expert system, expert suggestions on a concrete energy consumption device are determined in combination with the real-time measured data and the existing energy consumption device models, so that the energy consumption device saves energy better and is safer; a control device in an energy management system is simple and easy to deploy and maintain, and plenty of costs are reduced while the reliability of the device is guaranteed.
Owner:CHINA ACAD OF BUILDING RES

Operation and maintenance detection cost prediction method for physical assets of power grid based on big data

The invention discloses an operation and maintenance detection cost prediction method for physical assets of a power grid based on big data, and the method comprises a multisource data collection platform, a data warehouse, a MapReduce model, and a data visualization display platform. An operation and maintenance detection cost prediction system for physical assets of the power grid employs the big data analysis technology, the ETL technology, the data warehouse technology and the data visualization technology, takes the whole-life-cycle of assets as the guiding thought, takes the asset unit information data in a PMS system and an ERP system and the operation and maintenance cost as the objects, builds a statistical relation of mass unstructured data through the analysis methods of clustering analysis, classification analysis and correlation analysis, and achieves the middle-term and long-term analysis prediction of the operation and maintenance cost scale and development trend of the physical assets of the power grid. The method achieves the high-efficiency integration of data of various types of business systems in the operation and maintenance management of the physical assets of the power grid, and improves the prediction accuracy of the operation and maintenance cost.
Owner:STATE GRID CORP OF CHINA +1

Improved firefly algorithm-based power transformation engineering cost prediction method for SVM optimization

The invention belongs to the field of power transformation engineering cost prediction, and particularly relates to an improved firefly algorithm-based power transformation engineering cost predictionmethod for SVM optimization. For improving optimization performance of an FA to optimize parameters of an SVM prediction model, the invention provides the improved firefly algorithm-based power transformation engineering cost prediction method for the SVM optimization. The method mainly comprises three parts including data processing, parameter determination and cost prediction; specially, in theparameter determination part, a position updating formula of the FA is improved by adopting a Gauss disturbance technology based on a conventional FA to search for optimal parameters; and the methodenhances the capability of fireflies in escaping from local optimum and improves the optimization performance of the FA so as to optimize the parameters of the SVM prediction model. Through Schaffer function testing, the proposed Gauss disturbance FA has the advantages of high convergence speed, good search capability and the like, and can realize high-precision prediction of power transformationengineering cost level.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Engineering project cost prediction method, apparatus and device, and readable storage medium

Embodiments of the invention disclose an engineering project cost prediction method, apparatus and device, and a readable storage medium. The method comprises the steps of obtaining a BIM 5D management platform for calculating an engineering amount of an engineering project; inputting unit prices of labors, materials and machineries of a current market to a pre-built cost prediction model, therebyobtaining unit prices of the labors, the materials and the machineries when the engineering project is in different implementation stages, wherein the cost prediction model is obtained by learning and training sample data of multiple historical engineering projects by utilizing a rote learning algorithm; and according to the engineering amount and the unit prices of the labors, the materials andthe machineries in the corresponding implementation stages, calculating the cost of the engineering project, thereby realizing dynamic prediction of the cost of the engineering project. According to the technical scheme provided by the method, when the cost of the engineering project is calculated, the changes of the unit prices of the labors, the materials and the machineries along with the timeare taken into account; the deficiency of existing manufacturing cost prediction is made up for; the cost prediction accuracy and reliability of the engineering project are improved; and accurate costcontrol of the whole engineering project can be realized.
Owner:SHANGHAI BAOYE GRP CORP

Engineering project cost prediction method based on Markov grey model

The invention relates to an engineering project cost prediction method based on a Markov grey model. The method comprises the following steps: acquiring an original data column X(0); predicting the gray scale of the original data column X(0); obtaining an absolute value data column epsilon(0) of the residual error; performing gray scale prediction on the residual absolute value data column epsilon(0); constructing a new equation in combination with gray prediction of the original data column X(0) and a gray prediction equation of the residual absolute value data column epsilon(0), and solvingto obtain a residual symbol function sgn(k) of gray prediction; and combining and constructing a final prediction equation, and solving the final prediction equation to obtain a prediction value of the original data column X(0). According to the invention, prediction of a set cost index can be realized; and the Markov model-based residual error correction model introduced into the model can well correct the prediction deviation of the original GM(1, 1) grey prediction model, higher prediction precision is realized, and the future cost of the project is effectively estimated, so that an effective reference basis is provided for the cost management decision in the construction process of the engineering project.
Owner:广州珠江黄埔大桥建设有限公司

BIM project material and project cost statistical method

The invention discloses a BIM project material and project cost statistical method. The method comprises the following steps: adding corresponding material attributes to each component of a three-dimensional model; uploading a historical engineering cost list to a material center; collecting engineering cost information; giving a weight value to each construction cost index in the construction cost information, and storing the weight values into a database; processing each engineering component in the database and then constructing a cost model; inputting each component attribute into a cost model to obtain a cost prediction value; and superposing the construction cost prediction values of the components to obtain the final project construction cost. According to the method, the cost modelis constructed in the historical engineering cost list of the material center, the similar cost model is identified by using the fuzzy identification technology and the three-dimensional model is input to obtain the specific cost of the three-dimensional model, the building scheme is modified at any time, the engineering quantity and the cost are output, the advantages and disadvantages of the schemes are compared, and the investment is saved; and the most beneficial and most economical scheme is selected.
Owner:QIAODUOTIANGONG SHENZHEN TECH CO LTD
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