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Determining an Optimal Visualization of Physically Realizable Symbol Maps

Guilherme Kunigami, Pedro Rezende, Cid Souza, Tallys Yunes
2011 2011 24th SIBGRAPI Conference on Graphics, Patterns and Images  
We focus specifically on optimizing the visualization of physically realizable drawings of opaque disks by maximizing the sum of the visible borders of such disks.  ...  Proportional symbol maps are an often used tool to aid cartographers and geo-science professionals to visualize data associated with events (e.g., earthquakes) or geo-positioned statistical data (e.g.,  ...  CONCLUSION We propose and implement an exact algorithm to solve the NP-hard problem of generating physically realizable drawings of proportional symbol maps, which are an important visualization tool for  ... 
doi:10.1109/sibgrapi.2011.12 dblp:conf/sibgrapi/KunigamiRSY11 fatcat:sbjugkcydjhannbkty3nkmoony

Algorithmic Aspects of Proportional Symbol Maps [chapter]

S. Cabello, H. Haverkort, M. van Kreveld, B. Speckmann
2006 Lecture Notes in Computer Science  
We identify two types of suitable drawings: physically realizable drawings and stacking drawings.  ...  Proportional symbol maps visualize numerical data associated with point locations by placing a scaled symbol-typically opaque disks or squares-at the corresponding point on a map.  ...  Fig. 6 . 6 An optimal physically realizable drawing (left), an optimal stacking drawing for the same disks (right).Formal problem statement.  ... 
doi:10.1007/11841036_64 fatcat:z4frf5smd5hv3lpqyyx3hk5vmi

Algorithmic Aspects of Proportional Symbol Maps

Sergio Cabello, Herman Haverkort, Marc van Kreveld, Bettina Speckmann
2009 Algorithmica  
We identify two types of suitable drawings: physically realizable drawings and stacking drawings.  ...  Proportional symbol maps visualize numerical data associated with point locations by placing a scaled symbol-typically opaque disks or squares-at the corresponding point on a map.  ...  Fig. 6 . 6 An optimal physically realizable drawing (left), an optimal stacking drawing for the same disks (right).Formal problem statement.  ... 
doi:10.1007/s00453-009-9281-8 fatcat:d45fw2tw2zbuhmkubym3gxcz5i

Generating optimal drawings of physically realizable symbol maps with integer programming

Guilherme Kunigami, Pedro J. de Rezende, Cid C. de Souza, Tallys Yunes
2012 The Visual Computer  
We focus specifically on creating physically realizable drawings of symbols-opaque disks, in our case-by maximizing two quality metrics: the total and the minimum length of their visible borders.  ...  Proportional symbol maps are a tool often used by cartographers and geoscience professionals to visualize geopositioned data associated with events and demographic statistics, such as earthquakes and population  ...  Introduction Proportional symbol maps are a cartographic tool employed in the visualization of geopositioned data or events associated with specific locations.  ... 
doi:10.1007/s00371-012-0727-7 fatcat:hciuy6ejtbgyxag7zh666uwtna

Metabolically Efficient Information Processing [article]

Vijay Balasubramanian, Don Kimber, Michael J Berry
2001 arXiv   pre-print
In the absence of noise, discrete inputs are optimally encoded into Boltzmann distributed output symbols.  ...  The Arimoto-Blahut algorithm, generalized for cost constraints, can be used to derive and interpret the distribution of symbols for optimal energy efficient coding in the presence of noise.  ...  V.B. and D.K. are grateful to the Xerox Palo Alto Research Center, the Institute for Theoretical Physics at Santa Barbara and the Aspen Center for Physics for hospitality at various stages of this work  ... 
arXiv:cond-mat/0105127v1 fatcat:j3mkna6vevh4liopg2ja3as6lm

Monitoring cache behavior on parallel SMP architectures and related programming tools

Thomas Brandes, Helmut Schwamborn, Michael Gerndt, Jürgen Jeitner, Edmond Kereku, Martin Schulz, Holger Brunst, Wolfgang Nagel, Reinhard Neumann, Ralph Müller-Pfefferkorn, Bernd Trenkler, Wolfgang Karl (+2 others)
2005 Future generations computer systems  
The tool set comprises the semi-automatic instrumentation of user programs, the monitoring of the cache behavior, the visualization of the measured data, and optimization techniques for improving the user  ...  The expense of the hardware and software realization will be assessed to minimize the risk of a real implementation of the investigated monitors.  ...  The mapping of virtual to physical addresses is based on the page table of the operating system.  ... 
doi:10.1016/j.future.2004.09.005 fatcat:un7eimwf2nh6lkxzgvxuiqi2te

Architectures for Image Fusion [chapter]

Michael Heizmann, Fernando Puente
2011 Image Fusion  
The determination of the depth map, however, uses distributed information which is fused on the level of features.  ...  An example of a classification-based optimization is given in Subsect. 5.3.  ... 
doi:10.5772/14470 fatcat:b3zsrz42z5hglaq4xbycpgsfky

The Cultivation of Outstanding Chemistry Teachers: Teaching Strategy Design and the Characterization of Such Design

Cheng-yin Yang
2016 International Journal of Elementary Education  
On the basis of the "Concept Map and Mind Map", once the teaching strategy design is visualized by the computer software or the hand drawing system, the teaching goal design intention can be converted  ...  The importance of teaching strategy is self-evident among the teaching goals and the teaching activity process in the whole course teaching design elements.  ...  It is supported by the research project of Teachers' Education of Shaanxi Normal University which is about the construction of the  ... 
doi:10.11648/j.ijeedu.20160505.12 fatcat:dxj55jp7n5dg5pdfz2zeugxqci

A Framework of Pan-maps: facilitating a unification of Maps and Map-likes

Yebin Chen, Ding Ma, Shen Ying, Renzhong Guo, Zhigang Zhao, Zhilin Li
2021 Proceedings of the ICA  
However, the current cartographic theories are insufficient to guide and support the applications of these new forms of maps and map-likes visualization.  ...  Several new forms of maps and map-likes visualization have emerged owing to the advances in Information and Communication Technology (ICT).  ...  Acknowledgements This work was supported by the National Natural Science Foundation of China (NFSC) under Grant [number 41930104 and number 42071366].  ... 
doi:10.5194/ica-proc-4-20-2021 fatcat:iba7srnvefbwbctb52nri4bcrq

Distributed computing in accelerator physics theory and technology

S. Andrianov
2010 Procedia Computer Science  
This report is devoted to discussion of numerical and symbolic computing ratio in beam physics. We tray to draw attention on basic conceptual and computational problems first of all.  ...  It is known that the main problem in modern computational beam physics connected with high performance computing realization.  ...  The required number of processors is determined for each particular problem.  ... 
doi:10.1016/j.procs.2010.04.011 fatcat:cen7spm4njgaho7ln6reerwgia

Map navigation with mobile devices

Michael Rohs, Johannes Schöning, Martin Raubal, Georg Essl, Antonio Krüger
2007 Proceedings of the ninth international conference on Multimodal interfaces - ICMI '07  
In the dynamic peephole method the device is moved and the map is fixed with respect to an external frame of reference, but no visual information is present outside the device's display.  ...  The magic lens method augments an external content with graphical overlays, hence providing visual context outside the device display. Here too motion of the device serves to steer navigation.  ...  [11] use maps equipped with an array of RFID (Radio Frequency Identification) tags to realize the physical hyperlink.  ... 
doi:10.1145/1322192.1322219 dblp:conf/icmi/RohsSREK07 fatcat:nmdowlzy5faz7diuxdpal6vtci

The Physical Visualization of Information: Designing Data Sculptures in an Educational Context [chapter]

Andrew Vande Moere, Stephanie Patel
2009 Visual Information Communication  
context of an undergraduate design studio.  ...  With of its deep roots in scientific reasoning, research into information visualization has mainly focused on supporting scientific goals and optimizing analytic tasks.  ...  While determining a useful and useable data mapping is already a well-known consideration in the design of a data visualization technique, we believe that the physical character of a data sculpture has  ... 
doi:10.1007/978-1-4419-0312-9_1 dblp:conf/vinci/MoereP09 fatcat:7yurqxobnrbq3glxwqmyk6vaum

On Requirements Visualization

Orlena C.Z. Gotel, Francis T. Marchese, Stephen J. Morris
2007 Second International Workshop on Requirements Engineering Visualization (REV 2007)  
By way of an exemplar, the paper proposes the need for a way to visualize the multi-dimensional nature of requirements to help bring about a shared and rapid comprehension on the health of a project's  ...  The paper suggests that the field has yet to realize some of the benefits that can arise from a well designed and task-oriented information visualization, falling behind other areas of software engineering  ...  So an AVO, such as a balland-stick molecular model or topographic relief map, will be a 'faithful' realization, rendering or reification of the underlying conceptual model, built to represent symbolically  ... 
doi:10.1109/rev.2007.4 fatcat:ymvxxuo7avekrdivqofbaqtedq

Research on Visualization of Infographic Design under User Experience Thinking

Yi Zou, Na Qi, A. Ghadouani, F. Wu
2020 E3S Web of Conferences  
This paper cuts in from the perspective of user experience, and proposes optimization suggestions for the current status of visual design of infographics.  ...  The visual design of the infographic is designed to compress complex information and present it to the audience through an intuitive and easy-to-understand expression, so that they can effectively absorb  ...  As shown in Figure 2 , the scene display map of the XGEOMATICS intelligent experience area visualizes multiple spatial scenes and physical parameters, condenses and refines complex content, and models  ... 
doi:10.1051/e3sconf/202017902013 fatcat:o7p2k6imerekxjnu7rz547bue4

Segmentation of turbulent computational fluid dynamics simulations with unsupervised ensemble learning [article]

Maarja Bussov, Joonas Nättilä
2021 arXiv   pre-print
The segmentation is performed using an unsupervised clustering algorithm, which segments physical structures by grouping together similar pixels in simulation images.  ...  By comparing the similarity of different cluster occurrences in the ensemble, we can also assess the optimal number of clusters needed to describe the data.  ...  MB acknowledges the financial support by the institutional research funding IUT40-2 of the Estonian Ministry of Education and Research and the support by the Centre of Excellence "Dark side of the Universe  ... 
arXiv:2109.01381v1 fatcat:4fgnzdfcgngm7g4pubniofnznm
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