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A Project Overview

A Project Overview. Faculty of Engineering Prof. Alison McKay Prof. David Hogg Prof. Alan de Pennington Dr. Hau Hing Chau Dr. Iestyn Jowers. Department of Design and Innovation Prof. Christopher Earl Dr. Steven Garner Dr. Miquel Prats. Department of Architecture Dr. Scott Chase

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A Project Overview

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  1. A Project Overview

  2. Faculty of Engineering Prof. Alison McKay Prof. David Hogg Prof. Alan de Pennington Dr. Hau Hing Chau Dr. Iestyn Jowers Department of Design and Innovation Prof. Christopher Earl Dr. Steven Garner Dr. Miquel Prats Department of Architecture Dr. Scott Chase Dr. Sungwoo Lim Funded by Designing for the 21st Century Initiative

  3. Presentation Overview • What were our aims and objectives? • What progress did we make? • Where next?

  4. The Vision … we anticipate three intertwined cycles Communication betweenthetwo The Shape Synthesis Systemgenerating shapes The designerdesigning shapes

  5. Research Questions • How do designers, across a range of disciplines, generate • shapes? • What similarities and differences in approach can be • observed? • In shape grammar-based systems, can computer vision • techniques be used to resolve the sub-shape detection • problem? • How might the ability to compute shapes enhance the act of designing itself?

  6. Presentation Overview • What were our aims and objectives? • What progress did we make? • Where next?

  7. The Vision … we anticipate three intertwined cycles Communication betweenthetwo The Shape Synthesis Systemgenerating shapes The designerdesigning shapes

  8. Research Questions • How do designers, across a range of disciplines, generate • shapes? • What similarities and differences in approach can be • observed? • In shape grammar-based systems, can computer vision • techniques be used to resolve the sub-shape detection • problem? • How might the ability to compute shapes enhance the act of designing itself?

  9. Task 2 Task 3 Task 1 10 minutes 14 minutes 3 minutes each Industrial designers: Kettle Architects: Building Industrial designers: Lemon squeezer Architects: Building Learn about (re)interpretation Learn about design networks Learn about segmentation How do designers design shapes? • 8 industrial designers and 6 architects participated • participants undertook three tasks

  10. How do designers design shapes? The actions of the participants were video recorded and their pen strokes were captured using a tablet input device At the end of the tasks participants were asked to elaborate on the interpretations and manipulations of their sketches

  11. Interpreted as side view Interpreted as top view How do designers design shapes? A majority of participants had more than one interpretation of the initial design during the design process Initial design Interpreted as a component of the lemon squeezer

  12. How do designers design shapes? Capture shape transformations via shape rules

  13. How do designers design shapes?

  14. How do designers design shapes? Classification of general shape rules

  15. How do designers design shapes? Capture shape transformations in sketches via general shape rules Frequency of use of general shape rules

  16. The Vision … we anticipate three intertwined cycles The Shape Synthesis Systemgenerating shapes The designerdesigning shapes

  17. How can computers generate shapes? Different interpretations of a shape: Formalised and manipulated by shape rules: e.g.

  18. How can computers generate shapes? A set of shape rules defines a shape grammar… e.g. …which can generate networks of shapes

  19. How can computers generate shapes? Shape grammars can be used to define and explore designs: Palladian Grammar Generates villa plans in the style of Andrea Palladio (Stiny and Mitchell 1978) Buick Grammar Generates car front ends in the Buick style (McCormack et al. 2004)

  20. How can computers generate shapes? Implementation of shape grammars depends on a system that can automatically detect sub-shapes under transformation How can all perceived sub-shapes be represented in a shape? Previous approaches to sub-shape detection have relied on analytical methods with limited applicability

  21. Research Questions • How do designers, across a range of disciplines, generate • shapes? • What similarities and differences in approach can be • observed? • In shape grammar-based systems, can computer vision • techniques be used to resolve the sub-shape detection • problem? • How might the ability to compute shapes enhance the act of designing itself?

  22. How can computers generate shapes? • Using techniques from computer vision enables a shape • synthesis system to “see” the sub-shapes ina design • This allows for a more robust approach • In practice it involves measuring the distance between • point sets e.g. is a sub-shape of LARGE DISTANCE SMALL DISTANCE NO DISTANCE SUB-SHAPE

  23. How can computers generate shapes? A shape synthesis system: Find this shape… …replace with this shape

  24. How can computers generate shapes?

  25. How can computers generate shapes? Find this shape… Design …replace with this shape

  26. Research Questions • How do designers, across a range of disciplines, generate • shapes? • What similarities and differences in approach can be • observed? • In shape grammar-based systems, can computer vision • techniques be used to resolve the sub-shape detection • problem? • How might the ability to compute shapes enhance the act of designing itself?

  27. The Vision … we anticipate three intertwined cycles Communication betweenthetwo The Shape Synthesis Systemgenerating shapes The designerdesigning shapes

  28. The Vision … we anticipate three intertwined cycles System identifies shapes Designer sketches Identify shape rules Designed shapes Designer works from available shapes System applies rules and generates new shapes Generated shapes System produces shape networks Designer identifies shapes

  29. Presentation Overview • What were our aims and objectives? • What progress did we make? • Where next?

  30. For more information… • Visit the project website • www.engineering.leeds.ac.uk/dssg • for • project information • publications list • video demo • software download • contact details

  31. Summary • How do designers, across a range of disciplines, generate • shapes? • What similarities and differences in approach can be • observed? • In shape grammar-based systems, can computer vision • techniques be used to resolve the sub-shape detection • problem? • How might the ability to compute shapes enhance the act of designing itself?

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