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Computational Intelligence and Neuroscience

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https://www.readbyqxmd.com/read/28074090/application-of-machine-learning-in-postural-control-kinematics-for-the-diagnosis-of-alzheimer-s-disease
#1
Luís Costa, Miguel F Gago, Darya Yelshyna, Jaime Ferreira, Hélder David Silva, Luís Rocha, Nuno Sousa, Estela Bicho
The use of wearable devices to study gait and postural control is a growing field on neurodegenerative disorders such as Alzheimer's disease (AD). In this paper, we investigate if machine-learning classifiers offer the discriminative power for the diagnosis of AD based on postural control kinematics. We compared Support Vector Machines (SVMs), Multiple Layer Perceptrons (MLPs), Radial Basis Function Neural Networks (RBNs), and Deep Belief Networks (DBNs) on 72 participants (36 AD patients and 36 healthy subjects) exposed to seven increasingly difficult postural tasks...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/28058046/intelligent-process-abnormal-patterns-recognition-and-diagnosis-based-on-fuzzy-logic
#2
Shi-Wang Hou, Shunxiao Feng, Hui Wang
Locating the assignable causes by use of the abnormal patterns of control chart is a widely used technology for manufacturing quality control. If there are uncertainties about the occurrence degree of abnormal patterns, the diagnosis process is impossible to be carried out. Considering four common abnormal control chart patterns, this paper proposed a characteristic numbers based recognition method point by point to quantify the occurrence degree of abnormal patterns under uncertain conditions and a fuzzy inference system based on fuzzy logic to calculate the contribution degree of assignable causes with fuzzy abnormal patterns...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/28058045/equivalent-neural-network-optimal-coefficients-using-forgetting-factor-with-sliding-modes
#3
Karen Alicia Aguilar Cruz, José de Jesús Medel Juárez, Romeo Urbieta Parrazales
The Artificial Neural Network (ANN) concept is familiar in methods whose task is, for example, the identification or approximation of the outputs of complex systems difficult to model. In general, the objective is to determine online the adequate parameters to reach a better point-to-point convergence rate, so that this paper presents the parameter estimation for an equivalent ANN (EANN), obtaining a recursive identification for a stochastic system, firstly, with constant parameters and, secondly, with nonstationary output system conditions...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/28058044/volitional-and-real-time-control-cursor-based-on-eye-movement-decoding-using-a-linear-decoding-model
#4
Jinhua Zhang, Baozeng Wang, Cheng Zhang, Jun Hong
The aim of this study is to build a linear decoding model that reveals the relationship between the movement information and the EOG (electrooculogram) data to online control a cursor continuously with blinks and eye pursuit movements. First of all, a blink detection method is proposed to reject a voluntary single eye blink or double-blink information from EOG. Then, a linear decoding model of time series is developed to predict the position of gaze, and the model parameters are calibrated by the RLS (Recursive Least Square) algorithm; besides, the assessment of decoding accuracy is assessed through cross-validation procedure...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/28053603/a-novel-accuracy-and-similarity-search-structure-based-on-parallel-bloom-filters
#5
Chunyan Shuai, Hengcheng Yang, Xin Ouyang, Siqi Li, Zheng Chen
In high-dimensional spaces, accuracy and similarity search by low computing and storage costs are always difficult research topics, and there is a balance between efficiency and accuracy. In this paper, we propose a new structure Similar-PBF-PHT to represent items of a set with high dimensions and retrieve accurate and similar items. The Similar-PBF-PHT contains three parts: parallel bloom filters (PBFs), parallel hash tables (PHTs), and a bitmatrix. Experiments show that the Similar-PBF-PHT is effective in membership query and K-nearest neighbors (K-NN) search...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/28044074/preference-mining-using-neighborhood-rough-set-model-on-two-universes
#6
Kai Zeng
Preference mining plays an important role in e-commerce and video websites for enhancing user satisfaction and loyalty. Some classical methods are not available for the cold-start problem when the user or the item is new. In this paper, we propose a new model, called parametric neighborhood rough set on two universes (NRSTU), to describe the user and item data structures. Furthermore, the neighborhood lower approximation operator is used for defining the preference rules. Then, we provide the means for recommending items to users by using these rules...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/28044073/stimulator-selection-in-ssvep-based-spatial-selective-attention-study
#7
Songyun Xie, Chang Liu, Klaus Obermayer, Fangshi Zhu, Linan Wang, Xinzhou Xie, Wei Wang
Steady-State Visual Evoked Potentials (SSVEPs) are widely used in spatial selective attention. In this process the two kinds of visual simulators, Light Emitting Diode (LED) and Liquid Crystal Display (LCD), are commonly used to evoke SSVEP. In this paper, the differences of SSVEP caused by these two stimulators in the study of spatial selective attention were investigated. Results indicated that LED could stimulate strong SSVEP component on occipital lobe, and the frequency of evoked SSVEP had high precision and wide range as compared to LCD...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/28044072/on-the-use-of-self-organizing-map-for-text-clustering-in-engineering-change-process-analysis-a-case-study
#8
Massimo Pacella, Antonio Grieco, Marzia Blaco
In modern industry, the development of complex products involves engineering changes that frequently require redesigning or altering the products or their components. In an engineering change process, engineering change requests (ECRs) are documents (forms) with parts written in natural language describing a suggested enhancement or a problem with a product or a component. ECRs initiate the change process and promote discussions within an organization to help to determine the impact of a change and the best possible solution...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/28042291/a-self-adaptive-fuzzy-c-means-algorithm-for-determining-the-optimal-number-of-clusters
#9
Min Ren, Peiyu Liu, Zhihao Wang, Jing Yi
For the shortcoming of fuzzy c-means algorithm (FCM) needing to know the number of clusters in advance, this paper proposed a new self-adaptive method to determine the optimal number of clusters. Firstly, a density-based algorithm was put forward. The algorithm, according to the characteristics of the dataset, automatically determined the possible maximum number of clusters instead of using the empirical rule [Formula: see text] and obtained the optimal initial cluster centroids, improving the limitation of FCM that randomly selected cluster centroids lead the convergence result to the local minimum...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/28042290/automatic-construction-and-global-optimization-of-a-multisentiment-lexicon
#10
Xiaoping Yang, Zhongxia Zhang, Zhongqiu Zhang, Yuting Mo, Lianbei Li, Li Yu, Peican Zhu
Manual annotation of sentiment lexicons costs too much labor and time, and it is also difficult to get accurate quantification of emotional intensity. Besides, the excessive emphasis on one specific field has greatly limited the applicability of domain sentiment lexicons (Wang et al., 2010). This paper implements statistical training for large-scale Chinese corpus through neural network language model and proposes an automatic method of constructing a multidimensional sentiment lexicon based on constraints of coordinate offset...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/27999590/annealing-ant-colony-optimization-with-mutation-operator-for-solving-tsp
#11
Abdulqader M Mohsen
Ant Colony Optimization (ACO) has been successfully applied to solve a wide range of combinatorial optimization problems such as minimum spanning tree, traveling salesman problem, and quadratic assignment problem. Basic ACO has drawbacks of trapping into local minimum and low convergence rate. Simulated annealing (SA) and mutation operator have the jumping ability and global convergence; and local search has the ability to speed up the convergence. Therefore, this paper proposed a hybrid ACO algorithm integrating the advantages of ACO, SA, mutation operator, and local search procedure to solve the traveling salesman problem...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/27974884/utilization-of-the-discrete-differential-evolution-for-optimization-in-multidimensional-point-clouds
#12
Vojtěch Uher, Petr Gajdoš, Michal Radecký, Václav Snášel
The Differential Evolution (DE) is a widely used bioinspired optimization algorithm developed by Storn and Price. It is popular for its simplicity and robustness. This algorithm was primarily designed for real-valued problems and continuous functions, but several modified versions optimizing both integer and discrete-valued problems have been developed. The discrete-coded DE has been mostly used for combinatorial problems in a set of enumerative variants. However, the DE has a great potential in the spatial data analysis and pattern recognition...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/27974883/artificial-neural-network-and-genetic-algorithm-hybrid-intelligence-for-predicting-thai-stock-price-index-trend
#13
Montri Inthachot, Veera Boonjing, Sarun Intakosum
This study investigated the use of Artificial Neural Network (ANN) and Genetic Algorithm (GA) for prediction of Thailand's SET50 index trend. ANN is a widely accepted machine learning method that uses past data to predict future trend, while GA is an algorithm that can find better subsets of input variables for importing into ANN, hence enabling more accurate prediction by its efficient feature selection. The imported data were chosen technical indicators highly regarded by stock analysts, each represented by 4 input variables that were based on past time spans of 4 different lengths: 3-, 5-, 10-, and 15-day spans before the day of prediction...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/27974882/plat-an-automated-fault-and-behavioural-anomaly-detection-tool-for-plc-controlled-manufacturing-systems
#14
Arup Ghosh, Shiming Qin, Jooyeoun Lee, Gi-Nam Wang
Operational faults and behavioural anomalies associated with PLC control processes take place often in a manufacturing system. Real time identification of these operational faults and behavioural anomalies is necessary in the manufacturing industry. In this paper, we present an automated tool, called PLC Log-Data Analysis Tool (PLAT) that can detect them by using log-data records of the PLC signals. PLAT automatically creates a nominal model of the PLC control process and employs a novel hash table based indexing and searching scheme to satisfy those purposes...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/27965708/n-gram-based-text-compression
#15
Vu H Nguyen, Hien T Nguyen, Hieu N Duong, Vaclav Snasel
We propose an efficient method for compressing Vietnamese text using n-gram dictionaries. It has a significant compression ratio in comparison with those of state-of-the-art methods on the same dataset. Given a text, first, the proposed method splits it into n-grams and then encodes them based on n-gram dictionaries. In the encoding phase, we use a sliding window with a size that ranges from bigram to five grams to obtain the best encoding stream. Each n-gram is encoded by two to four bytes accordingly based on its corresponding n-gram dictionary...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/27956895/advances-in-neural-networks-and-hybrid-metaheuristics-theory-algorithms-and-novel-engineering-applications
#16
EDITORIAL
Marco A Moreno-Armendáriz, Martin Hagan, Enrique Alba, José de Jesús Rubio, Carlos A Cruz-Villar, Guillermo Leguizamón
No abstract text is available yet for this article.
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/27891146/a-self-organizing-incremental-spatiotemporal-associative-memory-networks-model-for-problems-with-hidden-state
#17
Zuo-Wei Wang
Identifying the hidden state is important for solving problems with hidden state. We prove any deterministic partially observable Markov decision processes (POMDP) can be represented by a minimal, looping hidden state transition model and propose a heuristic state transition model constructing algorithm. A new spatiotemporal associative memory network (STAMN) is proposed to realize the minimal, looping hidden state transition model. STAMN utilizes the neuroactivity decay to realize the short-term memory, connection weights between different nodes to represent long-term memory, presynaptic potentials, and synchronized activation mechanism to complete identifying and recalling simultaneously...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/27872639/histogram-of-oriented-gradient-based-gist-feature-for-building-recognition
#18
Bin Li, Kaili Cheng, Zhezhou Yu
We proposed a new method of gist feature extraction for building recognition and named the feature extracted by this method as the histogram of oriented gradient based gist (HOG-gist). The proposed method individually computes the normalized histograms of multiorientation gradients for the same image with four different scales. The traditional approach uses the Gabor filters with four angles and four different scales to extract orientation gist feature vectors from an image. Our method, in contrast, uses the normalized histogram of oriented gradient as orientation gist feature vectors of the same image...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/27872638/a-cognitive-model-based-on-neuromodulated-plasticity
#19
Jing Huang, Xiaogang Ruan, Naigong Yu, Qingwu Fan, Jiaming Li, Jianxian Cai
Associative learning, including classical conditioning and operant conditioning, is regarded as the most fundamental type of learning for animals and human beings. Many models have been proposed surrounding classical conditioning or operant conditioning. However, a unified and integrated model to explain the two types of conditioning is much less studied. Here, a model based on neuromodulated synaptic plasticity is presented. The model is bioinspired including multistored memory module and simulated VTA dopaminergic neurons to produce reward signal...
2016: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/27872637/key-technology-of-real-time-road-navigation-method-based-on-intelligent-data-research
#20
Haijing Tang, Yu Liang, Zhongnan Huang, Taoyi Wang, Lin He, Yicong Du, Xu Yang, Gangyi Ding
The effect of traffic flow prediction plays an important role in routing selection. Traditional traffic flow forecasting methods mainly include linear, nonlinear, neural network, and Time Series Analysis method. However, all of them have some shortcomings. This paper analyzes the existing algorithms on traffic flow prediction and characteristics of city traffic flow and proposes a road traffic flow prediction method based on transfer probability. This method first analyzes the transfer probability of upstream of the target road and then makes the prediction of the traffic flow at the next time by using the traffic flow equation...
2016: Computational Intelligence and Neuroscience
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