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Codes defined by multiple sets of trajectories
2006
Theoretical Computer Science
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In particular, for each finite set of sets of trajectories, which we call a hyperset of trajectories, we define a class of languages induced by that hyperset of trajectories. ...
We investigate the use of shuffle on trajectories to model certain classes of languages arising in the theory of codes. ...
In this paper, we study the classes of languages which are naturally defined by multiple sets of trajectories. ...
doi:10.1016/j.tcs.2006.08.022
fatcat:prqcvjmronft5htpo4vwt67eei
MHT-X: Offline Multiple Hypothesis Tracking with Algorithm X
[article]
2021
arXiv
pre-print
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An efficient and versatile implementation of offline multiple hypothesis tracking with Algorithm X for optimal association search was developed using Python. ...
Directed graph framework is used and multiple scans with progressively increasing time window width are used for edge construction for maximum likelihood trajectories. ...
Her involvement, while in the form of a single comment, was crucial to the development of this algorithm: https://math.stackexchange.com/questions/3720630/ finding-the-solution-set-for-binary-matrix-and-vector-multiplication ...
arXiv:2101.05202v2
fatcat:zmzolyktjvalvjwau2thn4uti4
Graph-Based Correlated Topic Model for Trajectory Clustering in Crowded Videos
2018
2018 IEEE Winter Conference on Applications of Computer Vision (WACV)
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The output of GCTM are mid-level features that represent the motion patterns used later to generate trajectory clusters. ...
Experiments on two different datasets show the effectiveness of the approach in trajectory clustering and crowd motion modelling. ...
The LLC algorithm [20] is then employed to represent each trajectory with a set of visual codes X as low-level features. LLC is a coding scheme proposed by Wang et al. ...
doi:10.1109/wacv.2018.00118
dblp:conf/wacv/GhamdiG18
fatcat:v6khgdcde5gijbcew3hi75o2nm
JGromacs: A Java Package for Analyzing Protein Simulations
2012
Journal of Chemical Information and Modeling
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JGromacs builds on the strengths of object-oriented programming in Java by providing a multilevel object-oriented representation of simulation data to integrate and interconvert sequence, structure, and ...
The API supports parsing and writing file formats applied by GROMACS (GROningen MAchine for Chemical Simulations), one of the most widely used MD simulation packages. ...
Since JGromacs has been designed to process Gromacs trajectories, it defines atom groups via index sets used by Gromacs tools. ...
doi:10.1021/ci200289s
pmid:22191855
pmcid:PMC3269218
fatcat:f5mce7mqkrasvibccgrvm3rnbq
A model of cortical cognitive function using hierarchical interactions of gating matrices in internal agents coding relational representations
[article]
2018
arXiv
pre-print
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The model is applied to the prediction of dynamical trajectories, the internal relationship between features of different sensory stimuli and to the prediction of affine transformations that could be useful ...
The multiple internal gating agents represent patterns of neural activity that detect and gate patterns of matrix connectivity representing the relations between different neural populations. ...
In contrast, this section defines a corner as a set of three column vectors defining three adjacent vertices on the shape. ...
arXiv:1809.08203v2
fatcat:62zi6fwytzegxca2mmdjbiskvu
SaLinA: Sequential Learning of Agents
[article]
2021
arXiv
pre-print
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It is built as an extension of PyTorch: algorithms coded with can be understood in few minutes by PyTorch users and modified easily. ...
In comparison to existing RL libraries, SaLinA has a very low adoption cost and capture a large variety of settings (model-based RL, batch RL, hierarchical RL, multi-agent RL, etc.). ...
Acknowledgements We would like to acknowledge some of our colleagues that help us to finalize the library , the documentation and the white paper. ...
arXiv:2110.07910v1
fatcat:kemaqta2zbfnzbsozajbxxjc5a
Diverse Trajectory Forecasting with Determinantal Point Processes
[article]
2019
arXiv
pre-print
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The DSF maps forecasting context features to a set of latent codes which can be decoded by a generative model (e.g., VAE) into a set of diverse trajectory samples. ...
Gradient descent is performed over the DSF parameters, which in turn move the latent codes of the sample set to find an optimal diverse and likely set of trajectories. ...
., past trajectories) to a set of latent codes. The latent codes are decoded by the VAE docoder into a set of future trajectory samples, denoted as the DSF samples. ...
arXiv:1907.04967v2
fatcat:cby7thunhbcexlyn4dqab3wsf4
Development of a Trajectory Period Folding Method for Burnup Calculations
2022
Energies
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In this paper, we present a trajectory period folding method for numerical modelling of nuclear transformations. ...
We present a case study for the transition from 238U to 239Pu and define the properties of the developed method and its possible applications in reactor physics calculations. ...
In addition, the partial financial support of this study under the scientific subvention 16.16.210.476 by the Polish Ministry of Science and Higher Education is kindly acknowledged. ...
doi:10.3390/en15062245
fatcat:a62pnkf4qvdsbgedswzs2awslq
Reed–Solomon List Decoding From a System-Theoretic Perspective
2004
IEEE Transactions on Information Theory
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With the data, a set of trajectories or time series is associated which is then modeled as a so-called behavior. In this way, a connection is made with the behavioral approach to system theory. ...
In this paper, the Sudan-Guruswami approach to list decoding of Reed-Solomon (RS) codes is cast in a system-theoretic framework. ...
An RS code is defined as the set of codewords of the form , with running through the set of polynomials of degree . ...
doi:10.1109/tit.2003.822593
fatcat:ecthgh2ytrfzjeojojran2baoi
On the optimality of a shape-based approach based on pseudo-equinoctial elements
2007
Acta Astronautica
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In the case of direct method the control provided by the pseudo-equinoctial element approach will be used to initialise the software code DITAN which makes use of a direct transcription by Finite Elements ...
This is achieved by a transcription of thrust arcs in terms of pseudo-equinoctial elements. Each element is defined through a parameterised shaping function of the true longitude. ...
In the case of direct method the control provided by the pseudo-equinoctial element approach will be used to initialise the software code DITAN which makes use of a direct transcription by Finite Elements ...
doi:10.1016/j.actaastro.2007.01.017
fatcat:6dpmjhkisvfotabenjwruzfxvm
AN AUTOMATIC SEMANTIC MAP GENERATION METHOD USING TRAJECTORY DATA
2020
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
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We study the regularity of trajectory data and build the semantic pattern based on the regularity of human behavior. ...
Those conditions make it possible to extract and identify human behavior patterns from their trajectory data. ...
ACKNOWLEDGEMENTS This work was supported by National Science Foundation, China (41701518). ...
doi:10.5194/isprs-archives-xliii-b4-2020-63-2020
fatcat:nwxqbihquja3laj7iaj5zsursi
Travel Pattern Analysis from Trajectories Based on Hierarchical Classification of Stays
2016
International Conference on GIScience Short Paper Proceedings
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To overcome these limitations, this paper proposes extraction of travel patterns through hierarchical classifications of stays and travel patterns based on the Huffman coding algorithm. ...
It has recently become possible to utilize a large amount of detailed trajectories for travel pattern analysis. ...
Acknowledgements Trajectories were provided by the Japan Road Traffic Information Center. This study was supported by JSPS KAKENHI (grants 24241053 and 25249069). ...
doi:10.21433/b3111wv9s715
fatcat:77gl5o73rfdc3hs5h272qfjbje
Experience report: constraint-based modeling of autonomous vehicle trajectories
2015
Proceedings of the Workshop on Domain-Specific Modeling - DSM 2015
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Furthermore, this language ensures safe operation of the vehicle by enforcing a set of user-definable constraints on the output path. ...
This language generates code for multiple controllers that will operate alternatively to allow for fast and effective programming of vehicle trajectories using primitive motions. ...
Acknowledgments This work was supported in part by the National Science ...
doi:10.1145/2846696.2846706
dblp:conf/oopsla/McKeeverZBS15
fatcat:cwsk7jttmbd2lbiccomkxzhgiy
Theoretical background and application of multiple goal pursuit trajectory follower
2020
Hungarian Journal of Industry and Chemistry
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The aim of the algorithm is to provide a low degree of computational complexity and, therefore, a fast trajectory-tracking approach. ...
The current paper introduces a design strategy and the mathematical background of the optimization problem with regard to the multiple goal pure pursuit algorithm. ...
The completion of this project is funded by the European Union and co-financed by the European Social Fund. ...
doi:10.33927/hjic-2020-03
fatcat:dhr54nj4qjfylh6tb5lvicuphu
Superplot3d: an open source GUI tool for 3d trajectory visualisation and elementary processing
2013
Source Code for Biology and Medicine
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When acquiring simple three-dimensional (3d) trajectory data it is common to accumulate large coordinate data sets. ...
It is intended, via the use of a preference driven menu to be flexible and work with output from multiple tracking software systems. ...
We would also like to thank Dr S Young (Natural Resources Institute) for contributing idiothetic 3d turning angle code which was ported to MATLAB by IAND and LW. ...
doi:10.1186/1751-0473-8-19
pmid:24079529
pmcid:PMC3850745
fatcat:muctk7ium5brbi65jh5hxyzqnm
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