ArticleVision research2013
Pooling of first-order inputs in second-order vision.
Article in Vision research, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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Who cites it
5 citing papers in PubMed, 10 citations in OpenAlex.
- Perceptual thresholds for differences in CT noise texture.Journal of medical imaging (Bellingham, Wash.) · 2024Article
- An image-computable model of how endogenous and exogenous attention differentially alter visual perception.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Modeling second-order boundary perception: A machine learning approach.PLoS computational biology · 2019Article
- Object size determines the spatial spread of visual time.Proceedings. Biological sciences · 2016Article
- Visual perception of order-disorder transition.Frontiers in psychology · 2015Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
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Abstract
The processing of texture patterns has been characterized by a model that first filters the image to isolate one texture component, then applies a rectifying nonlinearity that converts texture variation into intensity variation, and finally processes the resulting pattern with mechanisms similar to those used in processing luminance-defined images (spatial-frequency- and orientation-tuned filters). This model, known as FRF for filter rectify filter, has the appeal of explaining sensitivity to second-order patterns in terms of mechanisms known to exist for processing first-order patterns. This model implies an unexpected interaction between the first and second stages of filtering; if the first-stage filter consists of narrowband mechanisms tuned to detect the carrier texture, then sensitivity to high-frequency texture modulations should be much lower than is observed in humans. We propose that the human visual system must pool over first-order channels tuned to a wide range of spatial frequencies and orientations to achieve texture demodulation, and provide psychophysical evidence for pooling in a cross-carrier adaptation experiment and in an experiment that measures modulation contrast sensitivity at very low first-order contrast.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.