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Interpretation of Geometric Shapes

Project partners:. Project funded by:. ETRA – Eye Tracking Research & Applications 22-24 March 2010 Austin, Texas. Interpretation of Geometric Shapes. Iestyn Jowers Alison McKay School of Mechanical Engineering University of Leeds UK. Nieves Pedreira Information and Communications

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Interpretation of Geometric Shapes

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  1. Project partners: Project funded by: ETRA – Eye Tracking Research & Applications 22-24 March 2010 Austin, Texas Interpretation of Geometric Shapes Iestyn Jowers Alison McKay School of Mechanical Engineering University of Leeds UK Nieves Pedreira Information and Communications Technologies University of A Coruña Spain Miquel Prats Steve Garner The Design Group The Open University UK

  2. Project partners: Project funded by: Interpretation of Geometric Shapes The Designing with Vision project investigates the possibility of using eye-tracking technology as an interface for systems intended to support the creation, exploration, and development of shape alternatives in conceptual design.

  3. Project partners: Project funded by: Interpretation of Geometric Shapes The Designing with Vision project is interested in exploring the possibilities of using eye-tracking technology as an interface for systems intended to support the creation, exploration, and development of design shape alternatives in conceptual design.

  4. Project partners: Project funded by: Interpretation of Geometric Shapes

  5. Project partners: Project funded by: Interpretation of Geometric Shapes

  6. Project partners: Project funded by: Interpretation of Geometric Shapes The Designing with Vision project seeks to: – Understand how eye-tracking technology can be used to recognise different interpretations of shapes. –Build a computational design system that supports fluid design reinterpretation and exploration.

  7. Project partners: Project funded by: Interpretation of Geometric Shapes Computational shape interpretation The Designing with Vision project seeks to: – Understand how eye-tracking technology can be used to recognise different interpretations of shapes. –Build a computational design system that supports fluid design reinterpretation and exploration.

  8. Gross (2001) Back of an Envelope The program has been trained to recognise ‘interesting’ shapes The program has not been trained to recognise these shapes Interpretation of Geometric Shapes Computational shape interpretation: recognition

  9. Saund and Moran (1994) What You Perceive Is What You Get Gesture-based shape selection Interpretation of Geometric Shapes Computational shape interpretation: selection

  10. Jowers et al. (2008) Design Synthesis and Shape Generation Interpretation of Geometric Shapes Computational shape interpretation: generation Based on the shape grammar formalism (Stiny and Gips 1972)

  11. Yarbus (1967) Eye movements and fixations are influenced by the viewer’s intent Interpretation of Geometric Shapes Eye tracking and shape perception

  12. Main Goals – Analyse eye movement data with the objective to determine when a shape is recognised. –Analyse eye movement data with the objective to determine which shape is selected. Interpretation of Geometric Shapes Our study

  13. Main Goals z– Analyse eye movement data with the obj the moment whena shape is recognised.. Interpretation of Geometric Shapes Our study We call it ‘Now moment’

  14. Find the square Find the arrow Interpretation of Geometric Shapes Our study The experiment 7 participants 3 tasks Task 1

  15. Find the square Find the arrow Interpretation of Geometric Shapes Our study The experiment 7 participants 3 tasks Task 1

  16. Interpretation of Geometric Shapes Our study The experiment 7 participants 3 tasks Task 1

  17. Interpretation of Geometric Shapes Our study The experiment 7 participants 3 tasks Task 2 Say which shapes each image is composed of

  18. Interpretation of Geometric Shapes Our study The experiment 7 participants 3 tasks Task 2 Extract of participants’ transcript

  19. Find this shape in the following figures Interpretation of Geometric Shapes Our study The experiment 7 participants 3 tasks Task 3

  20. Interpretation of Geometric Shapes Our study The experiment 7 participants 3 tasks Task 3

  21. Interpretation of Geometric Shapes Main conclusions Our results… … support previous findings that indicate the relationship between saccade amplitude and fixation duration in visual fixations (Unema et al. 2005, Velichkovsky et al. 2005). … show that fixation duration and saccade amplitude can be used as indicators of shape interpretation. … support the hypothesis that eye movements could be used to select shapes in a natural and non intrusive way.

  22. Interpretation of Geometric Shapes Future work – Evaluate the data by means of statistical analysis. –Examine whether fixation duration and saccade amplitude are also indicators of shape recognition in ‘designerly’ tasks. – Explore ways to determine which shapes are selected. – Build a computational drawing system that uses eye movement data to recognise any shape interpreted in a design.

  23. Development of Designing with Vision software Experiments to determine which shape is interpreted Interpretation of Geometric Shapes Future work

  24. Project partners: Project funded by: Interpretation of Geometric Shapes

  25. Project partners: Project funded by: Interpretation of Geometric Shapes

  26. Project partners: Project funded by: Interpretation of Geometric Shapes

  27. Project partners: Project funded by: Interpretation of Geometric Shapes

  28. Project partners: Project funded by: Interpretation of Geometric Shapes http://design.open.ac.uk/DV/

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