Synthesis and Perceptual Scaling of High Resolution Natural Images Using Stable Diffusion

• URL: http://arxiv.org/abs/2410.13034v1
• Date: Wed, 16 Oct 2024 20:49:19 GMT
• Title: Synthesis and Perceptual Scaling of High Resolution Natural Images Using Stable Diffusion
• Authors: Leonardo Pettini, Carsten Bogler, Christian Doeller, John-Dylan Haynes,
• Abstract summary: We develop a custom stimulus set of photorealistic images from six categories with 18 objects each. For each object we generated 10 graded variants that are ordered along a perceptual continuum. This image set is of interest for studies on visual perception, attention and short- and long-term memory.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Natural scenes are of key interest for visual perception. Previous work on natural scenes has frequently focused on collections of discrete images with considerable physical differences from stimulus to stimulus. For many purposes it would, however, be desirable to have sets of natural images that vary smoothly along a continuum (for example in order to measure quantitative properties such as thresholds or precisions). This problem has typically been addressed by morphing a source into a target image. However, this approach yields transitions between images that primarily follow their low-level physical features and that can be semantically unclear or ambiguous. Here, in contrast, we used a different approach (Stable Diffusion XL) to synthesise a custom stimulus set of photorealistic images that are characterized by gradual transitions where each image is a clearly interpretable but unique exemplar from the same category. We developed natural scene stimulus sets from six categories with 18 objects each. For each object we generated 10 graded variants that are ordered along a perceptual continuum. We validated the image set psychophysically in a large sample of participants, ensuring that stimuli for each exemplar have varying levels of perceptual confusability. This image set is of interest for studies on visual perception, attention and short- and long-term memory.

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