Heuristic driven inverse reflector design

Mas, Albert; Martín, Iván; Patow, Gustavo

doi:10.1016/j.cag.2018.09.010

Cited by 5 publications

(8 citation statements)

References 29 publications

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“…Mas et al . [MMP18] presented a global optimization algorithm specifically tailored for inverse design problems in the domain of reflector design, but it can be used for more general problems, as we did here with a high degree of success. To perform the optimization, the method they propose is based on constructing a binary tree in which each tree node represents a battle where the objective function must be evaluated.…”

Section: Battlefield Designmentioning

confidence: 99%

“…Therefore, we used an optimizationbased system to explore the search space and find a suitable solution that exhibits the desired battle outcome. We have tested Metropolis-Hastings and simulated annealing optimizers, but we obtained the best results with a variant of the global optimization algorithm by Mas et al [MMP18]. See below.…”

Section: Inverse Designmentioning

confidence: 99%

“…It must be noted, though, that this method is not able to guarantee finding a global minimum, and it finds the first minimum that is below a user-defined threshold. For more details, refer to the paper by Mas et al [MMP18].…”

Section: Inverse Designmentioning

confidence: 99%

“…We have tested Metropolis‐Hastings and simulated annealing optimizers, but we obtained the best results with a variant of the global optimization algorithm by Mas et al . [MMP18]. See below.…”

Section: Battlefield Designmentioning

confidence: 99%

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Simulating the Evolution of Ancient Fortified Cities

Mas

Martín

Patow

2020

Computer Graphics Forum

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Ancient cities and castles are ubiquitous cultural heritage structures all over Europe, and countless digital creations (e.g. movies and games) use them for storytelling. However, they got little or no attention in the computer graphics literature. This paper aims to close the gap between historical and geometrical modelling, by presenting a framework that allows the forward and inverse design of ancient city (e.g. castles and walled cities) evolution along history. The main component is an interactive loop that cycles over a number of years simulating the evolution of a city. The user can define events, such as battles, city growth, wall creations or expansions, or any other historical event. Firstly, cities (or castles) and their walls are created, and, later on, expanded to encompass civil or strategic facilities to protect. In our framework, battle simulations are used to detect weaknesses and strengthen them, evolving to accommodate to developments in offensive weaponry. We conducted both forward and inverse design tests on three different scenarios: the city of Carcassone (France), the city of Gerunda (Spain) and the Ciutadella in ancient Barcelona. All the results have been validated by historians who helped fine‐tune the different parameters involved in the simulations.

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Section: Battlefield Designmentioning

confidence: 99%

Section: Inverse Designmentioning

confidence: 99%

Section: Inverse Designmentioning

confidence: 99%

Section: Battlefield Designmentioning

confidence: 99%

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Simulating the Evolution of Ancient Fortified Cities

Mas

Martín

Patow

2020

Computer Graphics Forum

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“…Illumination as a goal has been central to other forms of inverse design, such as inverse lighting optimization for luminaire placement, car headlight design and opening design. Notable methods in this genre include the works of Kawai et al [KPC93] for designing the illumination in a static environment, Schwarz and Wonka [SW14] on street light pose optimization, Gkaravelis and Papaioannou [GP16] on the population of interior environments with light sources and Mas et al [MMP18] on headlight reflector design.…”

Section: Related Workmentioning

confidence: 99%

Illumination‐Guided Furniture Layout Optimization

Vitsas

Παπαϊωάννου

Gkaravelis

et al. 2020

Computer Graphics Forum

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Lighting plays a very important role in interior design. However, in the specific problem of furniture layout recommendation, illumination has been either neglected or addressed with empirical or very simplified solutions. The effectiveness of a particular layout in its expected task performance can be greatly affected by daylighting and artificial illumination in a non‐trivial manner. In this paper, we introduce a robust method for furniture layout optimization guided by illumination constraints. The method takes into account all dominant light sources, such as sun light, skylighting and fixtures, while also being able to handle movable light emitters. For this task, the method introduces multiple generic illumination constraints and physically‐based light transport estimators, operating alongside typical geometric design guidelines, in a unified manner. We demonstrate how to produce furniture arrangements that comply with important safety, comfort and efficiency illumination criteria, such as glare suppression, under complex light‐environment interactions, which are very hard to handle using empirical or simplified models.

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A Note from the Editor in Chief

Jorge

2018

Computers & Graphics

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Heuristic driven inverse reflector design

Cited by 5 publications

References 29 publications

Simulating the Evolution of Ancient Fortified Cities

Simulating the Evolution of Ancient Fortified Cities

Illumination‐Guided Furniture Layout Optimization

A Note from the Editor in Chief

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