CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

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_id bbc9
id bbc9
authors Aeck, Richard
year 2008
title Turnstijl Houses & Cannoli Framing
source VDM Verlag Dr. Muller Aktiengesellschaft Co. KG, Germany

ISBN: 3639078470 ISBN-13: 9783639078473

summary This work presumes that integrating modeling tools and digital fabrication technology into architectural practice will transform how we build the detached house. Single-family houses come in all shapes and sizes, and in doing so, imply variation as well in certain materials, methods, and lighter classes of structure. Ultimately, houses are extensions, if not expressions, of those dwelling within, yet our attempts to produce appealing manufactured houses have prioritized standardization over variation and fall short of this ideal. Rather than considering new offerings born of the flexibility and precision afforded by digital production, sadly, today’s homebuilders are busy using our advancing fabrication technology to hasten the production of yesterday’s home. In response to such observations, and drawing upon meta-themes (i.e., blending and transition) present in contemporary design, this study proposes a hybrid SIP/Lam framing system and a corresponding family of houses. The development of the Cannoli Framing System (CFS) through 3D and physical models culminates in the machining and testing of full-scale prototypes. Three demonstrations, branded the Turnstijl Houses, are generated via a phased process where their schema, structure, and system geometry are personalized at their conception. This work pursues the variation of type and explores the connection between type and production methodology. Additional questions are also raised and addressed, such as how is a categorical notion like type defined, affected, and even “bred”?
keywords Digital Manufacturing, Type, Typology, CNC, SIP, SIPs, Foam, PreFab, Prefabrication, Framing, Manufactured House, Modular, Packaged House, Digital, Plywood, Methodology
series thesis:MSc
type normal paper
email raeck@branchoff.net
more http://branchoff.net
last changed 2010/11/16 07:29

_id ascaad2014_016
id ascaad2014_016
authors Al-Ratrout, Samer A. and Rana Zureikat
year 2014
title Pedagogic Approach in the Age of Parametric Architecture: Experimental method for teaching architectural design studio to 3rd year level students
source Digital Crafting [7th International Conference Proceedings of the Arab Society for Computer Aided Architectural Design (ASCAAD 2014 / ISBN 978-603-90142-5-6], Jeddah (Kingdom of Saudi Arabia), 31 March - 3 April 2014, pp. 211-226
summary In this era, Architectural Design Practice is faced with a paradigm shift in its conventional approaches towards computational methods. In this regard, it is considered a pedagogic challenge to boost up knowledge and skills of architectural students’ towards an advanced approach of architectural design that emphasizes the potentials and complexity of computational environments and parametric tools for design problem solving. For introducing the concept of Parametric Oriented Design Methods to 3rd year level architectural students, an experimental pedagogic course was designed in the scholastic year of 2012-2013 at German Jordanian University GJU (School of Architecture and Built Environment SABE) to approach this concept. In the preparation phase, the experimental course was designed to incorporate structured instructing and training method to be consecutively performed within experimental lab environment to target predetermined learning outcomes and goals. The involved students were intentionally classified into three levels of previous involvement associated with the related software operating skills and computational design exposure. In the implementation phase, the predetermined instructing and training procedures were performed in the controlled environment according to the planned tasks and time intervals. Preceded tactics were prepared to be executed to resolve various anticipated complication. In this phase also, students’ performance and comprehension capacity were observed and recorded. In data analysis phase, the observed results were verified and correlations were recognized. In the final phase, conclusions were established and recommendations for further related pedagogic experiments were introduced.
series ASCAAD
email Dr.samer.al-ratrout@fulbrightmail.org
last changed 2016/02/15 12:09

_id sigradi2013_101
id sigradi2013_101
authors Alves, Gilfranco; Anja Pratschke
year 2013
title Processos de Projeto Cibersemióticos: Procedimentos de Observação, Representação e Performance Aplicados ao Design Paramétrico [Cybersemiotic Design Processes: Observation, Representation and Performance Proceedings Applied on Parametric Design]
source SIGraDi 2013 [Proceedings of the 17th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-956-7051-86-1] Chile - Valparaíso 20 - 22 November 2013, pp. 258 - 261
summary The abstract presented here is part of a PhD research in progress, currently developed at USP - University of São Paulo, with the Nomads.usp research group, under the guidance of Professor Anja Pratschke. This research starts from the assumption that Cybersemiotics, initially defined by the Philosopher and Information Scientist Dr. Søren Brier - and therefore gathers concepts of Second Order Cybernetics and Semiotics of Charles Sanders Peirce - while meta-theory designed and developed to promote transdisciplinarity, can bring other perspectives and base updated reflections in order to produce a framework for architectural design processes that make use of digital mediation, especially Parametric Design.
keywords Cybersemiotics; Cybernetics; Peircean semiotics; Performance; Parametric design
series SIGRADI
email gilfranco@sc.usp.br
last changed 2016/03/10 08:47

_id ecaade2014_010
id ecaade2014_010
authors Anna Laskari
year 2014
title Multidimensional Comparative Analysis for the Classification of Residual Urban Voids
source Thompson, Emine Mine (ed.), Fusion - Proceedings of the 32nd eCAADe Conference - Volume 2, Department of Architecture and Built Environment, Faculty of Engineering and Environment, Newcastle upon Tyne, England, UK, 10-12 September 2014, pp. 283-292
wos WOS:000361385100030
summary Spatial configurations can be perceived through a variety of descriptions of their physical form and structure. Each description can offer an autonomous interpretation or be combined with others parathetically, in a logic of multiple distinct layers. However it is asserted that meaningful information can be extracted from a simultaneous view of sets of descriptions within a high-dimensional structure. This paper investigates the possibility of conducting a comparative analysis and classification of non-typical spatial formations based on the synchronous view of multiple quantifiable spatial attributes. Under the hypothesis of a reciprocal definition of spatial structure and occupation practices, it is intended to identify distinct generic spatial types in order to subsequently determine a range of suitable respective generic use types. This investigation supports the formulation of strategies for the reactivation of unused, residual urban voids, currently being addressed by the research programme titled "Strategies to network urban interventions in the Metropolitan Centre of Athens". The programme is carried out by the School of Architecture of the National Technical University of Athens in collaboration with the Region of Attica, under the scientific coordination of Professor Dr. Parmenidis (2013).
keywords Multidimensional descriptions; generic spatial types; quantifiable attributes; dimensionality reduction; classification
series eCAADe
email anna.lascaris@gmail.com
last changed 2016/05/16 09:08

_id ecaade2017_101
id ecaade2017_101
authors Ayoub, Mohammed and Wissa, Magdi
year 2017
title Daylight Optimization - A Parametric Study of Urban Façades Design within Hybrid Settlements in Hot-Desert Climate
source Fioravanti, A, Cursi, S, Elahmar, S, Gargaro, S, Loffreda, G, Novembri, G, Trento, A (eds.), ShoCK! - Sharing Computational Knowledge! - Proceedings of the 35th eCAADe Conference - Volume 2, Sapienza University of Rome, Rome, Italy, 20-22 September 2017, pp. 193-202
summary Unprecedented growth of hybrid settlements causes deterioration to the indoor environmental quality. Due to their narrow street-networks and fully packed urban fabric, lower floors are subjected to severe overshadow condition, which has adverse effects on the health of the inhabitants. This paper aims to investigate techniques to mitigate the under-lit indoor environment for a group of buildings with variable heights and orientations, with regard to the urban façades parameters. It reflects an intervention in an existing hybrid settlements, within hot-desert climate, to alter façades configurations for daylight optimization, and ultimately recover the lost indoor quality of users in such contexts.
keywords Daylight Optimization; Urban Façade; Simulation; Hybrid Settlements ; Parametric Design
series eCAADe
email dr.ayoub@aast.edu
last changed 2017/09/13 13:27

_id ascaad2016_023
id ascaad2016_023
authors Ayoub, Mohammed
year 2016
title Associative Parametric Urbanism - A computational approach to parameterization of conceptual design phase
source Parametricism Vs. Materialism: Evolution of Digital Technologies for Development [8th ASCAAD Conference Proceedings ISBN 978-0-9955691-0-2] London (United Kingdom) 7-8 November 2016, pp. 207-216
summary Urban planning projects usually comprise a complex set of objectives that needs to be addressed by developing a number of proposals. This requires a lot of repetitive steps resulting in fewer and slowly-developed design alternatives. To address the limitations of the existing system, this research introduces the merge of associative parametric design tools with the conceptual design phase of urban planning process to propose a Parameterized Conceptual Design Phase. The developed Associative Algorithm within the proposed phase represents a computational approach that translates a site’s settings into local attractors to define urban fabric, and provide the designer with variations for optimal solutions. The Informal Settlement of Ezbet El Matar, Alexandria, is selected as the case study of this approach.
series ASCAAD
email dr.ayoub@aast.edu
last changed 2017/05/25 11:31

_id caadria2018_029
id caadria2018_029
authors Ayoub, Mohammed
year 2018
title Adaptive Façades:An Evaluation of Cellular Automata Controlled Dynamic Shading System Using New Hourly-Based Metrics
source T. Fukuda, W. Huang, P. Janssen, K. Crolla, S. Alhadidi (eds.), Learning, Adapting and Prototyping - Proceedings of the 23rd CAADRIA Conference - Volume 2, Tsinghua University, Beijing, China, 17-19 May 2018, pp. 83-92
summary This research explores utilizing Cellular Automata patterns as climate-adaptive dynamic shading systems to mitigate the undesirable impacts by excessive solar penetration in cooling-dominant climates. The methodological procedure is realized through two main phases. The first evaluates all 256 Elementary Cellular Automata possible rules to elect the ones with good visual and random patterns, to ensure an equitable distribution of the natural daylight in internal spaces. Based on the newly developed hourly-based metrics, simulations are conducted in the second phase to evaluate the Cellular Automata controlled dynamic shadings performance, and formalize the adaptive façade variation logic that maximizes daylighting and minimizes energy demand.
keywords Adaptive Façade; Dynamic Shading; Cellular Automata; Hourly-Based Metric; Performance Evaluation
series CAADRIA
email dr.ayoub@aast.edu
last changed 2018/05/17 07:08

_id ddssup9604
id ddssup9604
authors Boelen, A.J.
year 1996
title Impact-Analysis of Urban Design Realtime impact-analysis models for urban designers
source Timmermans, Harry (Ed.), Third Design and Decision Support Systems in Architecture and Urban Planning - Part two: Urban Planning Proceedings (Spa, Belgium), August 18-21, 1996
summary The past five years Prof Dr Jr T.M. de Jong, professor in environmental planning and sustainability at the Technical University of Delft, has developed a theoretical foundation for the analysis of urban design on the ecological, technical, economical, cultural and political impacts of morphologic interventions on different levels of scale. From september 1994 Jr AJ. Boelen (Urban Design Scientist and Knowledge Engineer) started a research project at the same university to further explore the possibilities of these theories and to develop impact evaluation models for urban design and development with the theoretical work of De Jong as a starting point. The paper discusses the development of a design and decision support system based on these theories. For the development of this system, techniques like object-orientation, genetic algorithms and knowledge engineering are used. The user interface, the relation between the real world, paper maps and virtual maps and the presentation of design-interventions and impacts caused by the interventions are important issues. The development-process is an interactive step by step process. It consists of the making of a prototype of the system, testing the theory and hypothe-sisses the system is based on, by applying tests end adjusting the theory and hypothesisses where needed. Eventually the system must be able to act as an integrator of many different models already developed or still to be developed. The structure of the system will allow easy future expansion and adjustment to changing insights. The logic used to develop the basic theory on which this system is founded makes it possible to even introduce and maintain rather subjective aspects like quality or appraisal as impacts that can be evaluated. In a previously developed system "Momentum" this was proved to work effectively for the national level. In this project we will - amongst other things - try to prove the effectiveness of impact-evaluation for other levels of scale.
series DDSS
email Aj.Boelen@bk.tudelft.nl
last changed 2003/11/21 14:16

_id 8c6d
authors Brooks, H. Gordon
year 1988
title A New Communication Model for Architecture Using Video and 3D Computer Animated Graphics
source Computing in Design Education [ACADIA Conference Proceedings] Ann Arbor (Michigan / USA) 28-30 October 1988, pp. 263-274
summary The University of Arkansas School of Architecture has produced a half-hour television program describing Richard Meier's Atheneum in New Harmony, Indiana. The program uses an analysis technique developed by Dr. Geoffrey Baker, RIBA. The treatment for the material is a combination of on- site video and computer generated 3D animated graphics. An instrument was developed to evaluate the video and its 3D graphics. Based on analysis of the test data several conclusions are apparent. Students believe the video to be very helpful in understanding this building. This video appears to be paced too quickly for understanding in one viewing. Repetitive viewings of the video are helpful in understanding the content. Some students are able to understand principles presented visually better than those presented verbally, but best learning happens when information is reinforced visually and verbally.

series ACADIA
last changed 1999/01/01 18:35

_id sigradi2016_499
id sigradi2016_499
authors Crivelli, Juliana de Mello; Vizioli, Simone Helena Tanoue
year 2016
title Gamificaç?o na educaç?o patrimonial: Escola Álvaro Gui?o (SP-BR) [Gamification in patrimonial education: Escola Álvaro Gui?o (SP-BR)]
source SIGraDi 2016 [Proceedings of the 20th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-956-7051-86-1] Argentina, Buenos Aires 9 - 11 November 2016, pp.860-864
summary This article integrates works developed in the Núcleo de Apoio em Pesquisa em Estudos de Linguagem em Arquitetura e Cidade (N.elac) of the Instituto de Arquitetura e Urbanismo da Universidade de S?o Paulo, and aims to evaluate the contribution of the game as an auxiliary instrument to the patrimonial education (Horta, Grunberg & Monteiro, 1999). Games present themselves as one of the constitutive elements of culture, and many are the authors that discuss the theme. Between them, Huizinga, 2000; Callois, 1990 and Broug?re, 2004. The developed game is an interactive narrative inside a building listed as herritage by the Conselho Municipal de Defesa do Patrimônio Histórico, Arquitetônico, Artístico e Turístico (CONDESPHAASC): the Escola Estadual Dr. Álvaro Gui?o.
series SIGraDi
email juliana.crivelli@usp.br
last changed 2017/06/21 12:19

_id 349e
authors Durmisevic, Sanja
year 2002
title Perception Aspects in Underground Spaces using Intelligent Knowledge Modeling
source Delft University of Technology
summary The intensification, combination and transformation are main strategies for future spatial development of the Netherlands, which are stated in the Fifth Bill regarding Spatial Planning. These strategies indicate that in the future, space should be utilized in a more compact and more efficient way requiring, at the same time, re-evaluation of the existing built environment and finding ways to improve it. In this context, the concept of multiple space usage is accentuated, which would focus on intensive 4-dimensional spatial exploration. The underground space is acknowledged as an important part of multiple space usage. In the document 'Spatial Exploration 2000', the underground space is recognized by policy makers as an important new 'frontier' that could provide significant contribution to future spatial requirements.In a relatively short period, the underground space became an important research area. Although among specialists there is appreciation of what underground space could provide for densely populated urban areas, there are still reserved feelings by the public, which mostly relate to the poor quality of these spaces. Many realized underground projects, namely subways, resulted in poor user satisfaction. Today, there is still a significant knowledge gap related to perception of underground space. There is also a lack of detailed documentation on actual applications of the theories, followed by research results and applied techniques. This is the case in different areas of architectural design, but for underground spaces perhaps most evident due to their infancv role in general architectural practice. In order to create better designs, diverse aspects, which are very often of qualitative nature, should be considered in perspective with the final goal to improve quality and image of underground space. In the architectural design process, one has to establish certain relations among design information in advance, to make design backed by sound rationale. The main difficulty at this point is that such relationships may not be determined due to various reasons. One example may be the vagueness of the architectural design data due to linguistic qualities in them. Another, may be vaguely defined design qualities. In this work, the problem was not only the initial fuzziness of the information but also the desired relevancy determination among all pieces of information given. Presently, to determine the existence of such relevancy is more or less a matter of architectural subjective judgement rather than systematic, non-subjective decision-making based on an existing design. This implies that the invocation of certain tools dealing with fuzzy information is essential for enhanced design decisions. Efficient methods and tools to deal with qualitative, soft data are scarce, especially in the architectural domain. Traditionally well established methods, such as statistical analysis, have been used mainly for data analysis focused on similar types to the present research. These methods mainly fall into a category of pattern recognition. Statistical regression methods are the most common approaches towards this goal. One essential drawback of this method is the inability of dealing efficiently with non-linear data. With statistical analysis, the linear relationships are established by regression analysis where dealing with non-linearity is mostly evaded. Concerning the presence of multi-dimensional data sets, it is evident that the assumption of linear relationships among all pieces of information would be a gross approximation, which one has no basis to assume. A starting point in this research was that there maybe both linearity and non-linearity present in the data and therefore the appropriate methods should be used in order to deal with that non-linearity. Therefore, some other commensurate methods were adopted for knowledge modeling. In that respect, soft computing techniques proved to match the quality of the multi-dimensional data-set subject to analysis, which is deemed to be 'soft'. There is yet another reason why soft-computing techniques were applied, which is related to the automation of knowledge modeling. In this respect, traditional models such as Decision Support Systems and Expert Systems have drawbacks. One important drawback is that the development of these systems is a time-consuming process. The programming part, in which various deliberations are required to form a consistent if-then rule knowledge based system, is also a time-consuming activity. For these reasons, the methods and tools from other disciplines, which also deal with soft data, should be integrated into architectural design. With fuzzy logic, the imprecision of data can be dealt with in a similar way to how humans do it. Artificial neural networks are deemed to some extent to model the human brain, and simulate its functions in the form of parallel information processing. They are considered important components of Artificial Intelligence (Al). With neural networks, it is possible to learn from examples, or more precisely to learn from input-output data samples. The combination of the neural and fuzzy approach proved to be a powerful combination for dealing with qualitative data. The problem of automated knowledge modeling is efficiently solved by employment of machine learning techniques. Here, the expertise of prof. dr. Ozer Ciftcioglu in the field of soft computing was crucial for tool development. By combining knowledge from two different disciplines a unique tool could be developed that would enable intelligent modeling of soft data needed for support of the building design process. In this respect, this research is a starting point in that direction. It is multidisciplinary and on the cutting edge between the field of Architecture and the field of Artificial Intelligence. From the architectural viewpoint, the perception of space is considered through relationship between a human being and a built environment. Techniques from the field of Artificial Intelligence are employed to model that relationship. Such an efficient combination of two disciplines makes it possible to extend our knowledge boundaries in the field of architecture and improve design quality. With additional techniques, meta know/edge, or in other words "knowledge about knowledge", can be created. Such techniques involve sensitivity analysis, which determines the amount of dependency of the output of a model (comfort and public safety) on the information fed into the model (input). Another technique is functional relationship modeling between aspects, which is derivation of dependency of a design parameter as a function of user's perceptions. With this technique, it is possible to determine functional relationships between dependent and independent variables. This thesis is a contribution to better understanding of users' perception of underground space, through the prism of public safety and comfort, which was achieved by means of intelligent knowledge modeling. In this respect, this thesis demonstrated an application of ICT (Information and Communication Technology) as a partner in the building design process by employing advanced modeling techniques. The method explained throughout this work is very generic and is possible to apply to not only different areas of architectural design, but also to other domains that involve qualitative data.
keywords Underground Space; Perception; Soft Computing
series thesis:PhD
email s.durmisevic@wannadoo.nl
last changed 2003/02/12 21:37

_id 4743
authors Dvorak, Robert W.
year 1988
title Designing in the CAD Studio
source Computing in Design Education [ACADIA Conference Proceedings] Ann Arbor (Michigan / USA) 28-30 October 1988, pp. 123-134
summary The "CAD Studio" is one of many design options that fourth year students may select in the College of Architecture. In this electronic environment, the students analyze and present their designs totally on the computer. The vehicle used is a fifteen week architectural problem called the "Calor Redesign Project".

The "Calor" problem requires the move of a famous residence to a hot arid climate. The residence must then be redesigned in the original architect's style so the building becomes as energy efficient as possible in its new arid environment. The students are required to use as design criteria a new building program, the design philosophy of the original architect, and appropriate passive energy techniques that will reduce the thermal stress on the building. The building's energy response is measured by using an envelope energy analysis program called "Calor".

Much of the learning comes from imposing a new set of restraints on a famous piece of architecture and asking the student to redesign it. The students not only need to learn and use a different design philosophy, but also develop new skills to communicate their ideas on the computer. Both Macintosh and IBM computers are used with software ranging from Microsoft Works, Superpaint, AutoCAD, MegaCAD, Dr Halo, to Calor.

series ACADIA
last changed 1999/01/01 18:28

_id 88ea
authors Dzieglewska, Maja
year 2002
title Cityscan - A digital urban experience
source Connecting the Real and the Virtual - design e-ducation [20th eCAADe Conference Proceedings / ISBN 0-9541183-0-8] Warsaw (Poland) 18-20 September 2002, pp. 201-203
summary CITYSCAN is a series of interactive city documentations produced with contemporary multimedia techniques. It is offered as an elective course offered at the Department of Architecture by Prof. Dr. Ludger Hovestadt at ETH Zurich. Digital processing of information, multimedia programs, interactive presentations, teamwork and visualisation, are objects of investigation. A dense global CITYSCAN map elaborated together with students is our long-term goal.
series eCAADe
last changed 2002/09/09 17:19

_id 2006_352
id 2006_352
authors Fricker, Pia and Oskar Zieta
year 2006
title CNC Compliant Methods of Design - Understanding Technology
source Communicating Space(s) [24th eCAADe Conference Proceedings / ISBN 0-9541183-5-9] Volos (Greece) 6-9 September 2006, pp. 352-357
summary This paper investigates new design methods, showing the experimental use of new digital tools, CNC-techniques and technologies so as to expand the definition of contemporary architecture. This investigation of new technologies extends the traditional practice of architectural design to include issues of design, multimedia, programming, control systems and fabrication by using computer controlled machines. The main teaching and research focus of the Master of Advanced Studies in Architecture (MAS), Specialization in Computer Aided Architectural Design (CAAD), Prof. Dr. Ludger Hovestadt, is the computer based architectural design and its automated production. The aim of our research and teaching project is to achieve a close connection between design and production by embedding the “digital chain” in the whole process. The digital chain is a design and production sequence with no analogue steps; the process offers high flexibility in terms of design and production. The use of new digital tools in architecture extends the profession beyond traditional design.
keywords Digital Methods of Construction; Representation; Integration of CNC technology in Education; Digital Chain
series eCAADe
email fricker@hbt.arch.ethz.ch
last changed 2006/08/16 16:54

_id ecaade2017_008
id ecaade2017_008
authors Fukuda, Tomohiro, Inoue, Kazuya and Yabuki, Nobuyoshi
year 2017
title PhotoAR+DR2016 - Integrating Automatic Estimation of Green View Index and Augmented and Diminished Reality for Architectural Design Simulation
source Fioravanti, A, Cursi, S, Elahmar, S, Gargaro, S, Loffreda, G, Novembri, G, Trento, A (eds.), ShoCK! - Sharing Computational Knowledge! - Proceedings of the 35th eCAADe Conference - Volume 2, Sapienza University of Rome, Rome, Italy, 20-22 September 2017, pp. 495-502
summary Urban vegetation has been used to tackle architectural and urban problems by reducing urban heat islands and improving the quality of urban landscapes and biodiversity. The green view index provides end users with a metric to intuitively understand the vegetation scenarios. This study integrates a green view index estimation method and augmented reality (AR) and diminished reality (DR) scenes of future architectural and urban design simulations. We developed the AR/DR system "PhotoAR+DR2016 (photogrammetry-based augmented and diminished reality)" that simultaneously measures the green view index and simulates building, urban, and planting designs with addition, demolition, and removal of the objects such as structures. The developed system enables real-time measurement of the green view index by appropriately reducing the image size and extracting the green area. Using the developed prototype system, the on-site verification can be conducted; in addition, the processing speed and the accuracy and inaccuracy rates can be measured, and the green view index can be sufficiently measured in real time.
keywords Green View Index; Landscape assessment; Design support system; Diminished Reality; Augmented Reality; Image analysis
series eCAADe
email fukuda@see.eng.osaka-u.ac.jp
last changed 2017/09/13 13:31

_id ecaade2017_041
id ecaade2017_041
authors Fukuda, Tomohiro, Kuwamuro, Yasuyuki and Yabuki, Nobuyoshi
year 2017
title Optical Integrity of Diminished Reality Using Deep Learning
source Fioravanti, A, Cursi, S, Elahmar, S, Gargaro, S, Loffreda, G, Novembri, G, Trento, A (eds.), ShoCK! - Sharing Computational Knowledge! - Proceedings of the 35th eCAADe Conference - Volume 1, Sapienza University of Rome, Rome, Italy, 20-22 September 2017, pp. 241-250
summary A new method is proposed to improve diminished reality (DR) simulations to allow the demolition and removal of entire buildings in large-scale spaces. Our research goal was to obtain optical integrity by using a scientific and reliable simulation approach. Further, we tackled presumption of the texture of the background sky by applying deep learning. Our approach extracted the background sky using information from the actual sky obtained from a photographed image. This method comprised two steps: (1) detection of the sky area from the image through image segmentation and (2) creation of an image of the sky through image inpainting. The deep convolutional neural networks developed by us to train and predict images were evaluated to be feasible and effective.
keywords Diminished Reality; Optical Integrity; Deep Learning; Augmented Reality; Landscape assessment
series eCAADe
email fukuda@see.eng.osaka-u.ac.jp
last changed 2017/09/13 13:21

_id acadia12_67
id acadia12_67
authors Gerber, Dr. David Jason ; Lin, Shih-Hsin
year 2012
title Synthesizing Design Performance: An Evolutionary Approach to Multidisciplinary Design Search
source ACADIA 12: Synthetic Digital Ecologies [Proceedings of the 32nd Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-1-62407-267-3] San Francisco 18-21 October, 2012), pp. 67-75
summary Design is a goal oriented decision-making activity. Design is ill defined and requiring of synthetic approaches to weighing and understanding tradeoffs amongst soft and hard objectives, and the imprecise and or computationally explicit criteria and goals. In this regard designers in contemporary practice face a crisis of sorts. How do we achieve performance under large degrees of uncertainty and limited design cycle time? How do we better design for integrating performance? Fundamentally design teams, are not typically given enough time nor the best tools to design explore, to generate design alternatives, and then evolve solution quality to search for best fit through expansive design solution spaces. Given the complex criteria for defining performance in architecture our research approach experiments upon an evolutionary and integrative computational strategy to expand the solution space of a design problem as well as pre-sort and qualify candidate designs. We present technology and methodology that supports rapid development of design problem solution spaces in which three design domains objectives have multi-directional impact on each other. The research describes the use of an evolutionary approach in which a genetic algorithm is used as a means to automate the design alternative population as well as to facilitate multidisciplinary design domain optimization. The paper provides a technical description of the prototype design, one that integrates associative parametric modeling with an energy use intensity evaluation and with a financial pro forma. The initial results of the research are presented and analyzed including impacts on design process; the impacts on design uncertainty and design cycle latency; and the affordances for ‘designing-in’ performance and managing project complexity. A summary discussion is developed which describes a future cloud implementation and the future extensions into other domains, scales, tectonic and system detail.
keywords Parametric Design , Domain Integration , Design Methods , Multidisciplinary Design Optimization (MDO) , Evolutionary Algorithms , Design Decision Support , Generative Design
series ACADIA
type normal paper
email dgerber@usc.edu
last changed 2013/01/09 10:06

_id b086
id b086
authors Hofmeyer, Herm
year 1995
title UNTERSUCHUNG DER PARAMETEREMPFINDLICHKEIT BEI PROBLEMEN DER STRUKTUROPTIMIERUNG
source Universität Stuttgart, Institut für Baustatik, Prof. Dr.-Ing. E. Ramm, Stuttgart, Germany
summary Besides the development of benchmarks for structural optimization, this report shows that optimization techniques can be used not only for changing structural elements, but also for changing structural topology and thus potentially whole building designs. This is relevant for computer aided structural design in general and for interaction of spatial and structural design as presented by the author at eCAADe 2005.
keywords structural optimization; form-finding; structural topology
series report
type normal paper
email h.hofmeyer@bwk.tue.nl
last changed 2006/04/21 05:58

_id caadria2018_044
id caadria2018_044
authors Inoue, Kazuya, Fukuda, Tomohiro, Cao, Rui and Yabuki, Nobuyoshi
year 2018
title Tracking Robustness and Green View Index Estimation of Augmented and Diminished Reality for Environmental Design - PhotoAR+DR2017 project
source T. Fukuda, W. Huang, P. Janssen, K. Crolla, S. Alhadidi (eds.), Learning, Adapting and Prototyping - Proceedings of the 23rd CAADRIA Conference - Volume 1, Tsinghua University, Beijing, China, 17-19 May 2018, pp. 339-348
summary To assess an environmental design, augmented and diminished reality (AR/DR) have a potential to build a consensus more smoothly through the landscape simulation of new design visualization of the items to be assessed, such as the green view index. However, the current system is still considered to be impractical because it does not provide complete user experience. Thus, we aim to improve the robustness of the AR/DR system and to integrate the estimation of the green view index into the AR/DR system on a game engine. Further, we achieve an improved stable tracking by eliminating the outliers of the tracking reference points using the random sample consensus (RANSAC) method and by defining the tracking reference points over an extensive area of the AR/DR display. Additionally, two modules were implemented, among which one module is used to solve the occlusion problem while the other is used to estimate the green view index. The novel integrated AR/DR system with all modules was developed on the game engine. A mock design project was developed in an outdoor environment for simulation purposes, thereby verifying the applicability of the developed system.
keywords Environmental Design; Augmented Reality (AR); Diminished Reality (DR); Green View Index; Segmentation
series CAADRIA
email inoue@it.see.eng.osaka-u.ac.jp
last changed 2018/05/17 07:08

_id sigradi2017_055
id sigradi2017_055
authors Jipa, Andrei; Mathias Bernhard, Nicolas Ruffray, Dr. Timothy Wangler, Prof. Dr. Flatt, Robert; Benjamin Dillenburger
year 2017
title SkelETHon Formwork - 3D Printed Plastic Formwork for Load-Bearing Concrete Structures
source SIGraDi 2017 [Proceedings of the 21th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-956-227-439-5] Chile, Concepción 22 - 24 November 2017, pp.379-387
summary The imperative need for complex geometries in architecture is driving innovation towards an unconstrained fabrication freedom in building components. Fabrication constraints are a critical obstacle when material efficiency through complex, optimized topologies is sought. To address this constraint, this research investigates the use of 3D printed plastic formwork for fibre reinforced concrete at large scale. This novel construction method makes complex topologies and precise details possible for full-scale, load bearing structures. To demonstrate its potential applications, SkelETHon —a functional four-meter-long concrete canoe— was designed, built and raced in a regatta on the Rhine river (Figure 1).
keywords Concrete; 3D Printing; Formwork; Digital Fabrication; Canoe;
series SIGraDi
email jipa@arch.ethz.ch
last changed 2018/07/27 08:08

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