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Journal articles on the topic 'Informatique spatiale'

Author: Grafiati

Published: 25 May 2024

Last updated: 31 July 2025

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1

Châtaignier, Christine, and Michel Plateaux. "Analyse spatiale des habitats rubanés et informatique." Bulletin de la Société préhistorique française 83, no. 10 (1986): 319–24. http://dx.doi.org/10.3406/bspf.1986.8707.

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Nyandue Ompola, José. "La cartographie numérique et son apport dans l’organisation du recensement en République Démocratique du Congo." Revue Congolaise des Sciences & Technologies 01, no. 02 (2022): 110–18. http://dx.doi.org/10.59228/rcst.022.v1.i2.14.

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La cartographie assisté par l’ordinateur (CAO) repose sur l’utilisation des systèmes d’information géographique, des images à haute résolution ainsi que des récepteurs GPS (systèmes de positionnement universel) pour le levé des coordonnées géographiques x et y. Ce qui conduit à une analyse spatiale à partir des images acquises et à l’utilisation des technologies géo-spatiales, ceux-ci entrainent la production des cartes, pour qu’elles soient produites par des moyens informatisés, il faut disposer des couches des données standards tels que le shape file de limite administrative, des routes, des

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DABILGOU, Téré, Oumar SANOGO, S. Augustin Zongo, et al. "Modélisation thermodynamique de combustion mono-zone de biodiesels dans un moteur diesel et estimation théorique des émissions potentielles." Journal de Physique de la SOAPHYS 2, no. 1a (2021): C20A10–1—C20A10–10. http://dx.doi.org/10.46411/jpsoaphys.2020.01.10.

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Dans le présent travail, un modèle thermodynamique de combustion à zone unique pour le carburant diesel et le biodiesel a été mis en oeuvre pour prédire la pression du cylindre afin de mieux comprendre la combustion caractéristique des différents carburants testés dans un moteur diesel et d’analyser les performances caractéristiques d'un même moteur fonctionnant avec différents types de carburants. Il s’est agi également d’évaluer les émissions potentielles de ces carburants lors de leurs combustions dans le moteur diesel. L'évaluation du modèle est faite en fonction de la complexité temporell

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Secretan, Y., M. Leclerc, S. Duchesne, and M. Heniche. "Une méthodologie de modélisation numérique de terrain pour la simulation hydrodynamique bidimensionnelle." Revue des sciences de l'eau 14, no. 2 (2005): 187–212. http://dx.doi.org/10.7202/705417ar.

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L'article pose la problématique de la construction du Modèle Numérique de Terrain (MNT) dans le contexte d'études hydrauliques à deux dimensions, ici reliées aux inondations. La difficulté est liée à l'hétérogénéité des ensembles de données qui diffèrent en précision, en couverture spatiale, en répartition et en densité, ainsi qu'en géoréférentiation, notamment. Dans le cadre d'un exercice de modélisation hydrodynamique, toute la région à l'étude doit être documentée et l'information portée sur un support homogène. L'article propose une stratégie efficace supportée par un outil informatique, l

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Baccino, Thierry. "Contrôle d'un pointage avec souris informatique et codage spatial." L'année psychologique 94, no. 1 (1994): 11–24. http://dx.doi.org/10.3406/psy.1994.28731.

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Ma, Qingyu, Hong Yang, Kun Xie, Zhenyu Wang, and Xianbiao Hu. "Taxicab crashes modeling with informative spatial autocorrelation." Accident Analysis & Prevention 131 (October 2019): 297–307. http://dx.doi.org/10.1016/j.aap.2019.07.016.

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Jones, Chanon M., Rob Gray, Charles Spence, and Hong Z. Tan. "Directing visual attention with spatially informative and spatially noninformative tactile cues." Experimental Brain Research 186, no. 4 (2008): 659–69. http://dx.doi.org/10.1007/s00221-008-1277-0.

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Tallo, Amandus Jong, Maria Gratiana Yudith Tallo, Melchior Bria, Priska Gardeni . Nahak, and Yunus Fallo. "Penyusunan Peta Sebaran Rumah Kumuh Bagi Pemerintah Kota Tangerang dalam Mendukung Kebijakan Satu Peta." Jurnal SOLMA 13, no. 3 (2024): 1986–94. https://doi.org/10.22236/solma.v13i3.16903.

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Background: Preparing maps as information regarding the distribution of slum houses is a problem for the Tangerang City Housing, Settlement, and Land Service. Spatial skills in understanding and compiling maps are also tricky, and this is one of the complaints experienced by State Civil Apparatus. This activity aims to compile a map of the distribution of slum houses as a mapping exercise so that information can be visualized spatially. Method: Activities were carried out in Jakarta on 8-9 August 2024 using ArcGIS 10.8 software by cartographic rules. There were 4 participants from the Tangeran

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Charbonneau, Nathalie, Léon Robichaud, and Joanne Burgess. "Le modèle numérique 4D : un outil de diffusion et de communication au service de l’historien." Journal of the Canadian Historical Association 25, no. 2 (2015): 233–63. http://dx.doi.org/10.7202/1032847ar.

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Le modèle numérique 4D constitue depuis quelques années un nouvel outil de recherche, de communication et de diffusion pour les historiens dont les travaux incluent une composante relative au patrimoine bâti. Ce type de modèle prend en considération la dimension temporelle du cadre bâti, c’est à dire l’évolution de la morphologie du lieu. Il permet par ailleurs de rendre compte de la multiplicité des hypothèses de restitution et des liens existant entre informations spatiales et sources documentaires. Le modèle 4D peut être accessible par le biais d’un environnement numérique interactif. Nous

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Shu, Wen, Peng Liu, Guojin He, and Guizhou Wang. "Hyperspectral Image Classification Using Spectral-Spatial Features With Informative Samples." IEEE Access 7 (2019): 20869–78. http://dx.doi.org/10.1109/access.2019.2894766.

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Haksar, Ravi N., Sebastian Trimpe, and Mac Schwager. "Spatial Scheduling of Informative Meetings for Multi-Agent Persistent Coverage." IEEE Robotics and Automation Letters 5, no. 2 (2020): 3027–34. http://dx.doi.org/10.1109/lra.2020.2974715.

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Reich, Brian J., and Dipankar Bandyopadhyay. "A latent factor model for spatial data with informative missingness." Annals of Applied Statistics 4, no. 1 (2010): 439–59. http://dx.doi.org/10.1214/09-aoas278.

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Vukosav, Branimir, and Borna Fuerst-Bjeliš. "Medijska percepcija prostornih identiteta: konstrukcija imaginativne karte dalmatinske unutrašnjosti." Geoadria 20, no. 1 (2015): 23. http://dx.doi.org/10.15291/geoadria.29.

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The aim of the paper is to use the selected informative medium as a source of data about spatial perceptions of five areas in the dalmatian hinterland – Zagora, Bukovica, Ravni kotari, Zabiokovlje, Neretva area. Analysing the archives of the selected media source, a detailed set of criteria is used to extract and spatially classify the relevant geographic names in order to define the extents of perception of the mentioned regions as cognitive models (the concept of vernacular region). The acquired results for the five vernacular regions, standardized on the level of administrative units, are u

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Jeffery, Kate J. "Cognitive representations of spatial location." Brain and Neuroscience Advances 2 (January 2018): 239821281881068. http://dx.doi.org/10.1177/2398212818810686.

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Spatial memory has fascinated psychologists ever since the discipline began, but a series of findings beginning in the middle of last century propelled its study into the domain of neuroscience and helped bring about the cognitive revolution in psychology. Starting with the discovery that the hippocampus plays a central role in memory, particularly spatial memory, studies of the mammalian hippocampus and related regions over the latter half of the century slowly uncovered an extensive neural system involved in processing place, head direction, objects, speed and other spatially informative par

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Harris, Paul, Bruno Lanfranco, Binbin Lu, and Alexis Comber. "Influence of Geographical Effects in Hedonic Pricing Models for Grass-Fed Cattle in Uruguay." Agriculture 10, no. 7 (2020): 299. http://dx.doi.org/10.3390/agriculture10070299.

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A series of non-spatial and spatial hedonic models of feeding and replacement cattle prices at video auctions in Uruguay (2002 to 2009) were specified with predictors measuring marketing conditions (e.g., steer price), cattle characteristics (e.g., breed) and agro-ecological factors (e.g., soil productivity, water characteristics, pasture condition, season). Results indicated that cattle prices produced under extensive production systems were influenced by all of predictor categories, confirming that found previously. Although many of the agro-ecological predictors were inherently spatial in n

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Wang, Xianyue, Longxia Qian, Mei Hong, and Yifan Liu. "Dual Homogeneous Patches-Based Band Selection Methodology for Hyperspectral Classification." Remote Sensing 15, no. 15 (2023): 3841. http://dx.doi.org/10.3390/rs15153841.

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Homogeneous band- or pixel-based feature selection, which exploits the difference between spectral or spatial regions to select informative and low-redundant bands, has been extensively studied in classifying hyperspectral images (HSIs). Although many models have proven effective, they rarely simultaneously exploit homogeneous spatial and spectral information, which are beneficial to extract potential low-dimensional characteristics even under noise. Moreover, the employed vectorial transformation and unordered assumption destroy the implicit knowledge of HSIs. To solve these issues, a dual ho

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Chan, Jason S., and Fiona N. Newell. "The effect of non-informative spatial sounds on haptic scene recognition." International Journal of Autonomous and Adaptive Communications Systems 6, no. 4 (2013): 342. http://dx.doi.org/10.1504/ijaacs.2013.056820.

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Cerasti, Erika, and Alessandro Treves. "How Informative Are Spatial CA3 Representations Established by the Dentate Gyrus?" PLoS Computational Biology 6, no. 4 (2010): e1000759. http://dx.doi.org/10.1371/journal.pcbi.1000759.

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Mayer, Andrew R., Alexandre R. Franco, and Deborah L. Harrington. "Neuronal modulation of auditory attention by informative and uninformative spatial cues." Human Brain Mapping 30, no. 5 (2009): 1652–66. http://dx.doi.org/10.1002/hbm.20631.

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Tootoonian, Sina, Aaron C. True, Elle Stark, John P. Crimaldi, and Andreas T. Schaefer. "Quantifying spectral information about source separation in multisource odour plumes." PLOS ONE 20, no. 1 (2025): e0297754. https://doi.org/10.1371/journal.pone.0297754.

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Odours released by objects in natural environments can contain information about their spatial locations. In particular, the correlation of odour concentration timeseries produced by two spatially separated sources contains information about the distance between the sources. For example, mice are able to distinguish correlated and anti-correlated odour fluctuations at frequencies up to 40 Hz, while insect olfactory receptor neurons can resolve fluctuations exceeding 100 Hz. Can this high-frequency acuity support odour source localization? Here we answer this question by quantifying the spatial

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Singh, A., A. Krause, C. Guestrin, and W. J. Kaiser. "Efficient Informative Sensing using Multiple Robots." Journal of Artificial Intelligence Research 34 (April 27, 2009): 707–55. http://dx.doi.org/10.1613/jair.2674.

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The need for efficient monitoring of spatio-temporal dynamics in large environmental applications, such as the water quality monitoring in rivers and lakes, motivates the use of robotic sensors in order to achieve sufficient spatial coverage. Typically, these robots have bounded resources, such as limited battery or limited amounts of time to obtain measurements. Thus, careful coordination of their paths is required in order to maximize the amount of information collected, while respecting the resource constraints. In this paper, we present an efficient approach for near-optimally solving the

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Pandey, Biraj, Marius Pachitariu, Bingni W. Brunton, and Kameron Decker Harris. "Structured random receptive fields enable informative sensory encodings." PLOS Computational Biology 18, no. 10 (2022): e1010484. http://dx.doi.org/10.1371/journal.pcbi.1010484.

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Brains must represent the outside world so that animals survive and thrive. In early sensory systems, neural populations have diverse receptive fields structured to detect important features in inputs, yet significant variability has been ignored in classical models of sensory neurons. We model neuronal receptive fields as random, variable samples from parameterized distributions and demonstrate this model in two sensory modalities using data from insect mechanosensors and mammalian primary visual cortex. Our approach leads to a significant theoretical connection between the foundational conce

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Sun, Alexander, Paul A. Parker, and Scott H. Holan. "Analysis of Household Pulse Survey Public-Use Microdata via Unit-Level Models for Informative Sampling." Stats 5, no. 1 (2022): 139–53. http://dx.doi.org/10.3390/stats5010010.

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The Household Pulse Survey, recently released by the U.S. Census Bureau, gathers information about the respondents’ experiences regarding employment status, food security, housing, physical and mental health, access to health care, and education disruption. Design-based estimates are produced for all 50 states and the District of Columbia (DC), as well as 15 Metropolitan Statistical Areas (MSAs). Using public-use microdata, this paper explores the effectiveness of using unit-level model-based estimators that incorporate spatial dependence for the Household Pulse Survey. In particular, we consi

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Malcolm, Brenda, Karen Reilly, Jérémie Mattout, et al. "The hands have it: Hand specific vision of touch enhances touch perception and somatosensory evoked potential." Seeing and Perceiving 25 (2012): 43. http://dx.doi.org/10.1163/187847612x646659.

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Our ability to accurately discriminate information from one sensory modality is often influenced by information from the other senses. Previous research indicates that tactile perception on the hand may be enhanced if participants look at a hand (compared to a neutral object) and if visual information about the origin of touch conveys temporal and/or spatial congruency. The current experiment further assessed the effects of non-informative vision on tactile perception. Participants made speeded discrimination responses (digit 2 or digit 5 of their right hand) to supra-threshold electro-cutaneo

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Kravtsova, N. S., R. A. Paringer, and A. V. Kupriyanov. "PARALLEL IMPLEMENTATION OF THE INFORMATIVE AREAS GENERATION METHOD IN THE SPATIAL SPECTRUM DOMAIN." Computer Optics 41, no. 4 (2017): 585–87. http://dx.doi.org/10.18287/2412-6179-2017-41-4-585-587.

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Volcic, Robert, Joram J. van Rheede, Albert Postma, and Astrid M. L. Kappers. "Differential effects of non-informative vision and visual interference on haptic spatial processing." Experimental Brain Research 190, no. 1 (2008): 31–41. http://dx.doi.org/10.1007/s00221-008-1447-0.

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Yazdi, Maryam, Roya Kelishadi, Volker Schmid, Mohammad Esmaeil Motlagh, Ramin Heshmat, and Marjan Mansourian. "Geographic risk of general and abdominal obesity and related determinants in Iranian children and adolescents: CASPIAN-IV Study." Eastern Mediterranean Health Journal 26, no. 12 (2020): 1532–38. http://dx.doi.org/10.26719/emhj.20.054.

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Background: Obesity, as a risk factor for many noncommunicable diseases, is a common public health problem in developed and developing countries. Among Iranian children and adolescents, the prevalence of being overweight has increased by almost 50% in the past two decades. Aims: To visualize the geographic differences in general and abdominal obesity risks and related determinants among Iranian children and adolescents. Methods: Participants consisted of 14 880 students, aged 7–19 years, living in urban and rural areas of the Islamic Republic of Iran. Spatial patterns of obesity and its associ

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Worschech, Franziska, and Ulrich Ansorge. "Top-Down Search for Color Prevents Voluntary Directing of Attention to Informative Singleton Cues." Experimental Psychology 59, no. 3 (2012): 153–62. http://dx.doi.org/10.1027/1618-3169/a000138.

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Visuo-spatial attention can be directed in a top-down controlled way to search for color targets and it can be captured by color contrasts, regardless of color identity. Here we tested whether participants can both search for a particular color target (e.g., red) and make use of a color-contrast cue that predicted the target’s most likely position to direct their attention voluntarily. Our results show that this was impossible for the participants. Results support that top-down search for particular colors is incommensurate with directing attention to just any color contrast. The results are d

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Cardini, Flavia, Patrick Haggard, and Elisabetta Ladavas. "Seeing and feeling for self and other: Proprioceptive spatial location determines multisensory enhancement of touch." Seeing and Perceiving 25 (2012): 113. http://dx.doi.org/10.1163/187847612x647469.

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In the Visual Enhancement of Touch (VET), simply viewing one’s hand improves tactile spatial perception, even though vision is non-informative. While previous studies had suggested that looking at another person’s hand could also enhance tactile perception, no previous study had systematically investigated the differences between viewing one’s body and someone else’s. The aim of this study was to shed light on the relation between visuo–tactile interactions and the self-other distinction. In Experiment 1 we manipulated the spatial location where a hand was seen. Viewing one’s hand enhanced tac

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Tsutsumida, N., S. Nagai, P. Rodríguez-Veiga, J. Katagi, K. Nasahara, and T. Tadono. "MAPPING SPATIAL ACCURACY OF FOREST TYPE CLASSIFICATION IN JAXA’s HIGH-RESOLUTION LAND USE AND LAND COVER MAP." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences IV-3/W1 (March 1, 2019): 57–63. http://dx.doi.org/10.5194/isprs-annals-iv-3-w1-57-2019.

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<p><strong>Abstract.</strong> Accuracy assessment of forest type maps is essential to evaluate the classification of forest ecosystems quantitatively. However, map users do not understand in which regions those forest types are well classified from conventional static accuracy measures. Hence, the objective of this study is to unveil spatial heterogeneities of accuracies of forest type classification in a map. Four forest types (deciduous broadleaf forest (DBF), deciduous needleleaf forest (DNF), evergreen broadleaf forest (EBF), and evergreen needleleaf forest (ENF)) found i

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Lemieux, C. L., E. A. Nelson, and C. A. Collin. "Eye Movement Patterns Suggest Different Facial Features are Most Informative at Different Spatial Frequencies." Journal of Vision 13, no. 9 (2013): 399. http://dx.doi.org/10.1167/13.9.399.

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Gallagher, Molly, Christopher Brooke, Ruian Ke, and Katia Koelle. "Causes and Consequences of Spatial Within-Host Viral Spread." Viruses 10, no. 11 (2018): 627. http://dx.doi.org/10.3390/v10110627.

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The spread of viral pathogens both between and within hosts is inherently a spatial process. While the spatial aspects of viral spread at the epidemiological level have been increasingly well characterized, the spatial aspects of viral spread within infected hosts are still understudied. Here, with a focus on influenza A viruses (IAVs), we first review experimental studies that have shed light on the mechanisms and spatial dynamics of viral spread within hosts. These studies provide strong empirical evidence for highly localized IAV spread within hosts. Since mathematical and computational wit

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Jia, Mingda, Liming Zhao, Ge Li, and Yun Zheng. "ContextHOI: Spatial Context Learning for Human-Object Interaction Detection." Proceedings of the AAAI Conference on Artificial Intelligence 39, no. 4 (2025): 3931–39. https://doi.org/10.1609/aaai.v39i4.32411.

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Spatial contexts, such as the backgrounds and surroundings, are considered critical in Human-Object Interaction (HOI) recognition, especially when the instance-centric foreground is blurred or occluded. Recent advancements in HOI detectors are usually built upon detection transformer pipelines. While such an object-detection-oriented paradigm shows promise in localizing objects, its exploration of spatial context is often insufficient for accurately recognizing human actions. To enhance the capabilities of object detectors for HOI detection, we present a dual-branch framework named ContextHOI,

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Hu, Lianyu, Liqing Gao, Zekang Liu, and Wei Feng. "Self-Emphasizing Network for Continuous Sign Language Recognition." Proceedings of the AAAI Conference on Artificial Intelligence 37, no. 1 (2023): 854–62. http://dx.doi.org/10.1609/aaai.v37i1.25164.

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Hand and face play an important role in expressing sign language. Their features are usually especially leveraged to improve system performance. However, to effectively extract visual representations and capture trajectories for hands and face, previous methods always come at high computations with increased training complexity. They usually employ extra heavy pose-estimation networks to locate human body keypoints or rely on additional pre-extracted heatmaps for supervision. To relieve this problem, we propose a self-emphasizing network (SEN) to emphasize informative spatial regions in a self

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Yu, Qiangyi, Liangzhi You, Ulrike Wood-Sichra, et al. "A cultivated planet in 2010 – Part 2: The global gridded agricultural-production maps." Earth System Science Data 12, no. 4 (2020): 3545–72. http://dx.doi.org/10.5194/essd-12-3545-2020.

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Abstract. Data on global agricultural production are usually available as statistics at administrative units, which does not give any diversity and spatial patterns; thus they are less informative for subsequent spatially explicit agricultural and environmental analyses. In the second part of the two-paper series, we introduce SPAM2010 – the latest global spatially explicit datasets on agricultural production circa 2010 – and elaborate on the improvement of the SPAM (Spatial Production Allocation Model) dataset family since 2000. SPAM2010 adds further methodological and data enhancements to th

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Macfarlane, Fraser, Paul Murray, Stephen Marshall, and Henry White. "Investigating the Effects of a Combined Spatial and Spectral Dimensionality Reduction Approach for Aerial Hyperspectral Target Detection Applications." Remote Sensing 13, no. 9 (2021): 1647. http://dx.doi.org/10.3390/rs13091647.

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Target detection and classification is an important application of hyperspectral imaging in remote sensing. A wide range of algorithms for target detection in hyperspectral images have been developed in the last few decades. Given the nature of hyperspectral images, they exhibit large quantities of redundant information and are therefore compressible. Dimensionality reduction is an effective means of both compressing and denoising data. Although spectral dimensionality reduction is prevalent in hyperspectral target detection applications, the spatial redundancy of a scene is rarely exploited.

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Fattoruso, Grazia, Martina Nocerino, Domenico Toscano, et al. "Site Suitability Analysis for Low Cost Sensor Networks for Urban Spatially Dense Air Pollution Monitoring." Atmosphere 11, no. 11 (2020): 1215. http://dx.doi.org/10.3390/atmos11111215.

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Urban air pollution continues to represent a primary concern for human health, despite significant efforts by public authorities for mitigating its effects. Regulatory monitoring networks are essential tools for air pollution monitoring. However, they are sparse networks, unable to capture the spatial variability of the air pollutants. For addressing this issue, networks of low cost stations are deployed, supplementing the regulatory stations. Regarding this application, an important question is where these stations are installed The objective of this study was to generate a site suitability m

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Wu, Yuxuan, Le Wang, Sanping Zhou, Jinghai Duan, Gang Hua, and Wei Tang. "Multi-Stream Representation Learning for Pedestrian Trajectory Prediction." Proceedings of the AAAI Conference on Artificial Intelligence 37, no. 3 (2023): 2875–82. http://dx.doi.org/10.1609/aaai.v37i3.25389.

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Forecasting the future trajectory of pedestrians is an important task in computer vision with a range of applications, from security cameras to autonomous driving. It is very challenging because pedestrians not only move individually across time but also interact spatially, and the spatial and temporal information is deeply coupled with one another in a multi-agent scenario. Learning such complex spatio-temporal correlation is a fundamental issue in pedestrian trajectory prediction. Inspired by the procedure that the hippocampus processes and integrates spatio-temporal information to form memo

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Dutta, Ayan, Amitabh Bhattacharya, O. Patrick Kreidl, Anirban Ghosh, and Prithviraj Dasgupta. "Multi-robot informative path planning in unknown environments through continuous region partitioning." International Journal of Advanced Robotic Systems 17, no. 6 (2020): 172988142097046. http://dx.doi.org/10.1177/1729881420970461.

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We consider the NP-hard problem of multirobot informative path planning in the presence of communication constraints, where the objective is to collect higher amounts of information of an ambient phenomenon. We propose a novel approach that uses continuous region partitioning into Voronoi components to efficiently divide an initially unknown environment among the robots based on newly discovered obstacles enabling improved load balancing between robots. Simulation results show that our proposed approach is successful in reducing the initial imbalance of the robots’ allocated free regions while

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Ro, Tony, Liana Machado, Nancy Kanwisher, and Robert D. Rafal. "Covert orienting to the locations of targets and distractors: Effects on response channel activation in a flanker task." Quarterly Journal of Experimental Psychology Section A 55, no. 3 (2002): 917–36. http://dx.doi.org/10.1080/02724980143000514.

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The role of covert orienting of attention in response channel activation was examined using the flanker interference and precueing paradigms. Four experiments assessed the influence of distractors on the discrimination of a target colour patch under cueing conditions (three with non-informative, exogenous cues and one with informative, endogenous cues) that modulated attention at the flanker or target locations. Across all of the experiments, the amount of interference generated by the distractors was not modulated by the facilitation and inhibition of return induced by spatial attention precu

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Schreuder, Martijn, Benjamin Blankertz, and Michael Tangermann. "A New Auditory Multi-Class Brain-Computer Interface Paradigm: Spatial Hearing as an Informative Cue." PLoS ONE 5, no. 4 (2010): e9813. http://dx.doi.org/10.1371/journal.pone.0009813.

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Westerholt, Rene, Heinrich Lorei, and Bernhard Höfle. "Behavioural Effects of Spatially Structured Scoring Systems in Location-Based Serious Games—A Case Study in the Context of OpenStreetMap." ISPRS International Journal of Geo-Information 9, no. 2 (2020): 129. http://dx.doi.org/10.3390/ijgi9020129.

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Location-based games have become popular in recent years, with Pokémon Go and Ingress being two very prominent examples. Some location-based games, known as Serious Games, go beyond entertainment and serve additional purposes such as data collection. Such games are also found in the OpenStreetMap context and playfully enrich the project’s geodatabase. Examples include Kort and StreetComplete. This article examines the role of spatially structured scoring systems as a motivational element. It is analysed how spatial structure in scoring systems is correlated with changes observed in the game be

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Kirchner, James W. "Characterizing nonlinear, nonstationary, and heterogeneous hydrologic behavior using ensemble rainfall–runoff analysis (ERRA): proof of concept." Hydrology and Earth System Sciences 28, no. 19 (2024): 4427–54. http://dx.doi.org/10.5194/hess-28-4427-2024.

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Abstract. A classical approach to understanding hydrological behavior is the unit hydrograph and its many variants, but these often assume linearity (runoff response is proportional to effective precipitation), stationarity (runoff response to a given unit of rainfall is identical, regardless of when it falls), and spatial homogeneity (runoff response depends only on spatially averaged precipitation). In the real world, by contrast, runoff response is typically nonlinear, nonstationary, and spatially heterogeneous. Quantifying this nonlinearity, nonstationarity, and spatial heterogeneity is es

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Minet, J., N. E. C. Verhoest, S. Lambot, and M. Vanclooster. "Temporal stability of soil moisture patterns measured by proximal ground-penetrating radar." Hydrology and Earth System Sciences Discussions 10, no. 4 (2013): 4063–97. http://dx.doi.org/10.5194/hessd-10-4063-2013.

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Abstract. We analyzed the temporal stability of soil moisture patterns acquired using a proximal ground-penetrating radar (GPR) in a 2.5 ha agricultural field at five different dates over three weeks. The GPR system was mounted on a mobile platform, allowing for real-time mapping of soil moisture with a high spatial resolution (2–5 m). The spatio-temporal soil moisture patterns were in accordance with the meteorological data and with soil moisture measurements from soil core sampling. Time-stable areas showing the field-average moisture could be revealed by two methods: (1) by the computation

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He, Li, Antonio Páez, Jianmin Jiao, et al. "Ambient Population and Larceny-Theft: A Spatial Analysis Using Mobile Phone Data." ISPRS International Journal of Geo-Information 9, no. 6 (2020): 342. http://dx.doi.org/10.3390/ijgi9060342.

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In the spatial analysis of crime, the residential population has been a conventional measure of the population at risk. Recent studies suggest that the ambient population is a useful alternative measure of the population at risk that can better capture the activity patterns of a population. However, current studies are limited by the availability of high precision demographic characteristics, such as social activities and the origins of residents. In this research, we use spatially referenced mobile phone data to measure the size and activity patterns of various types of ambient population, an

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Wu, Siqi, Antony Joseph, Ann S. Hammonds, Susan E. Celniker, Bin Yu, and Erwin Frise. "Stability-driven nonnegative matrix factorization to interpret spatial gene expression and build local gene networks." Proceedings of the National Academy of Sciences 113, no. 16 (2016): 4290–95. http://dx.doi.org/10.1073/pnas.1521171113.

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Spatial gene expression patterns enable the detection of local covariability and are extremely useful for identifying local gene interactions during normal development. The abundance of spatial expression data in recent years has led to the modeling and analysis of regulatory networks. The inherent complexity of such data makes it a challenge to extract biological information. We developed staNMF, a method that combines a scalable implementation of nonnegative matrix factorization (NMF) with a new stability-driven model selection criterion. When applied to a set of Drosophila early embryonic s

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Mitchell, Danielle E., K. Wayne Forsythe, Chris H. Marvin, and Debbie A. Burniston. "Assessing statistical and spatial validity of sediment survey design and sampling densities: examples from Lake Erie." Water Quality Research Journal 53, no. 3 (2018): 118–32. http://dx.doi.org/10.2166/wqrj.2018.029.

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Abstract Spatial interpolation methods translate sediment contamination point data into informative area-based visualizations. Lake Erie was first sampled in 1971 based on a survey grid of 263 locations. Due to procedural costs, the 2014 survey was reduced to 34 sampling locations mostly located in deep offshore regions of the lake. Using the 1971 dataset, this study identifies the minimum sampling density at which statistically valid, and spatially accurate predictions can be made using ordinary kriging. Randomly down-sampled subsets at 10% intervals of the 1971 survey were created to include

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Lai, Yani, Lin Jiang, and Xiaoxiao Xu. "Exploring Spatio-Temporal Patterns of Urban Village Redevelopment: The Case of Shenzhen, China." Land 10, no. 9 (2021): 976. http://dx.doi.org/10.3390/land10090976.

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The redevelopment of urban villages is a prominent part of urban renewal in China, which has attracted much attention from the academic community. However, the understanding of when and where the redevelopment of urban villages occurs is still limited partly because of the lack of empirical analysis. Through exploratory spatial data and overlay analyses, this study examines the spatio-temporal distribution characteristics based on data from 277 urban village redevelopment projects in Shenzhen, China, between 2010 and 2018. Results demonstrate that the redevelopment of urban villages occurs in

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Lee, Wonjung, Yiqun Sun, and Shuai Lu. "Hierarchical sparse observation models and informative prior for Bayesian inference of spatially varying parameters." Journal of Computational Physics 422 (December 2020): 109768. http://dx.doi.org/10.1016/j.jcp.2020.109768.

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McAdam, D. Steven O. "Retrospective weight-of-evidence analysis identifies substrate change as the apparent cause of recruitment failure in the upper Columbia River white sturgeon (Acipenser transmontanus)." Canadian Journal of Fisheries and Aquatic Sciences 72, no. 8 (2015): 1208–20. http://dx.doi.org/10.1139/cjfas-2014-0423.

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A weight-of-evidence evaluation of the potential cause of white sturgeon (Acipenser transmontanus) recruitment failure in the upper Columbia River evaluated 12 recruitment-failure hypotheses based on nine criteria. Recruitment-failure timing was estimated by identifying breakpoints in the hindcasted recruitment time series for three of four spatially distinct groups. Observed spatial and temporal recruitment decline patterns were then compared with expected patterns for each hypothesis (e.g., flow, temperature, turbidity, contaminants, and changes to the riverine fish community). The weight-of

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