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Global ensemble texture representations are critical to rapid scene perception.

Timothy F Brady1, Anna Shafer-Skelton1, George A Alvarez2

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Scene recognition may rely on global texture, not just objects. Processing orientation and spatial frequencies (global ensemble texture) supports rapid scene perception, but not object recognition.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Computer Vision

Background:

  • Traditional object recognition is seen as a prerequisite for scene recognition.
  • Emerging research suggests global scene properties, not just objects, aid rapid scene perception.

Purpose of the Study:

  • To investigate if scene recognition relies on global texture processing.
  • To determine if representing spatial patterns (global ensemble texture) correlates with scene perception ability.

Main Methods:

  • Correlational study linking rapid scene perception with spatial ensemble texture representation.
  • Experiments manipulating global ensemble texture information in scenes.

Main Results:

  • A significant correlation was found between scene perception and spatial ensemble texture representation.
  • Preserving global ensemble texture alone was sufficient for rapid scene perception, but not object recognition.

Conclusions:

  • Scene recognition can be based on global ensemble texture, independent of object recognition.
  • This challenges object-centric views and supports texture-based models of scene perception.