Algorithm analysis

Bài viết "Ứng dụng trí tuệ nhân tạo trên thị trường chứng khoán quốc tế: Thực trạng và bài học cho Việt Nam" nghiên cứu thực trạng ứng dụng trí tuệ nhân tạo (AI) trong lĩnh vực chứng khoán trên thế giới. Các nghiên cứu gần đây cho thấy AI ngày càng có tác động lớn đến hoạt động của con người trên tất cả các khía cạnh.

9p dathienlang1012 03-05-2024 10 4   Download

In this research paper, an adaptive sliding controller designed to enhance seismic response mitigation in structural systems with prescribed performance is presented. Through comprehensive theoretical analysis and simulation studies, the efficiency of the performance function has been simulated for a one-degree-of-freedom structure.

5p phuong798 26-12-2023 3 2   Download

In this paper, we improve the DFA algorithm to MDFA (MultiDetrended fluctuation analysis) to evaluate the possibility of arrhythmias RR intervals detail for each period of 20 minutes in entire RR intervals. Evaluation results are shown graphically intuitive with three levels of basic arrhythmia arrhythmia is high, medium and low arrhythmia.

4p vilexus 05-10-2022 7 2   Download

Lecture Data Structures: Lesson 44 provide students with knowledge about sorting; sorting integers; elementary sorting algorithms: selection sort, insertion sort, bubble sort; selection sort; swap action (selectionsorting); selection sort analysis; lighter bubbles rise to the top;...

26p hanthienngao 15-04-2022 5 1   Download

The investigation of magnetic field strength variations over subterranean layers may reveal their locations on Earth’s surface and provide physical and geometrical characteristics. Magnetic studies were carried out around Gölcük caldera lake using proton magnetometers to identify subsurface volcanic structures. The acquired data were inverted using four different edge detection algorithms such as analytic signal, tilt angle, theta map, horizontal gradient. Afterwards, the results were used to determine the locations of the anomalous structures.

17p tanmocphong 29-01-2022 14 1   Download

There is no unified treatment standard for patients with extranodal NK/T-cell lymphoma (ENKTL). Cancer neoantigens are the result of somatic mutations and cancer-specific. Increased number of somatic mutations are associated with anti-cancer effects.

12p vielonmusk 21-01-2022 11 0   Download

The dissertation has four chapters: Chapter 1 - Background Materials; Chapter 2 - Analysis of an Algorithm in Indefinite Quadratic Programming; Chapter 3 - Qualitative Properties of the Minimum Sum-of-Squares Clustering Problem; Chapter 4 - Some Incremental Algorithms for the Clustering Problem.

142p armyofthedead 23-06-2021 31 2   Download

Objectives: The main objective of the dissertation is to research and develop fuzzy clustering techniques on remote sensing image data in order to improve accuracy and improve clustering quality of clustering algorithms.

162p armyofthedead 23-06-2021 22 3   Download

In this research, the isogeometric finite element method is used to discretise the displacement domain of strutures in the first step. The primal-dual algorithm based upon the von Mises yield criterion and a Newton-like iteration is used in the second step to solve optimization problem.

157p capheviahe28 01-03-2021 5 2   Download

In this study, the method based on the proposed deep-learning method called ODC-Cloud, which was built on convolutional blocks and integrating with the Open Data Cube (ODC) platform. The results showed that our proposed model achieved an overall 90% accuracy in detecting cloud in Landsat 8 OLI imagery and successfully integrated with the ODC to perform multi-scale and multi-temporal analysis.

9p larachdumlanat129 14-01-2021 16 2   Download

In this lecture we learned about: Checking an algorithm analysis, limitations of big-oh analysis, matlab environment, command window, command history, workspace window, current folder window, document window.

28p nanhankhuoctai10 23-07-2020 14 2   Download

This chapter presents the following content: Introduction to algorithm analysis, different functions, function’s growth rate, three problems related to algorithm running time, maximum contiguous subsequence sum problem.

21p nanhankhuoctai10 23-07-2020 9 1   Download

In this thesis, motivated by the advantages of the generalized minimumnoise subspace (GMNS) method, recently proposed for array processing, we proposedtwo algorithms for principal subspace analysis (PSA) and two algorithms for tensor de-composition using parallel factor analysis (PARAFAC) and higher-order singular valuedecomposition (HOSVD).

68p tamynhan0 04-07-2020 8 3   Download

The objective of the thesis is to research and develop differential algorithms. Error separating a correct text area making smaller text areas falsifies or loses the information of text or text (over-segmentation), errors include text areas in text columns or text fragments (under-segmentation).

26p xacxuoc4321 11-07-2019 27 4   Download

In this study, an improved algorithm for n/g discrimination using a parameter, which is the ratio of the rise time to the pulse height, is proposed. The n/g discrimination performance of the algorithm is evaluated by applying it to 252Cf neutron signal separation from various gamma-ray exposure rate levels ranging 0.1e5 R/h. The performance is compared to that of the conventional pulse-height analysis method in terms of the gamma elimination ratio.

6p minhxaminhyeu3 12-06-2019 15 0   Download

The present paper employs an Particle Swarm Optimization (PSO) Improved via Genetic Algorithm (IPSO) based on Support Vector Machines (SVM) for efficient prediction of various stock indices. The main difference between PSO and IPSO is shown in a graph. Different indicators from the technical analysis field of study are used as input features.

4p cathydoll5 27-02-2019 26 3   Download

Lecture “Natural language processing - Chapter 2: Fundamental algorithms and mathematical models” has contents: Probability theory and Bayes theorems (Concepts in probability, Bayes theorems, application of the probability theory in NLP).

14p dien_vi01 21-11-2018 29 0   Download

We propose a content based video retrieval system in some main steps resulting in a good performance. From a main video, we process extracting keyframes and principal objects using Segmentation of Aggregating Superpixels (SAS) algorithm. After that, Speeded Up Robust Features (SURF) are selected from those principal objects. Then, the model “Bag-of-words” in accompanied by SVM classification are applied to obtain the retrieval result. Our system is evaluated on over 300 videos in diversity from music, history, movie, sports, and natural scene to TV program show.

10p tieuthi3006 16-03-2018 50 2   Download

An efficient smoke detection algorithm on color video sequences obtained from a stationary camera is proposed. Our algorithm considers dynamic and static features of smoke and composed of basic steps: preprocessing; slowly moving areas and pixels segmentation in a current input frame based on adaptive background subtraction; merge slowly moving areas with pixels into blobs; classification of the blobs obtained before.

11p binhminhmuatrenngondoithonggio 09-06-2017 40 3   Download

(BQ) In this paper, working current, working voltage, oil pressure, spark gap Pulse On Time and Pulse Off Time on Material Removal Rate (MRR) and Surface Finish (Ra) has been studied. Empirical models for MRR and Ra have been developed by conducting a designed experiment based on the Grey Relational Analysis. Genetic Algorithm (GA) based multi-objective optimization for maximization of MRR and minimization of Ra has been done by using the developed empirical models. Optimization results have been used for identifying the machining conditions.

10p xuanphuongdhts 27-03-2017 41 2   Download