Journal ArticleDOI
Contour integration by the human visual system: evidence for a local "association field".
TLDR
It is suggested that it is possible to take advantage of the redundancy in continuous, but non-aligned features by associating the outputs of filters with similar tuning, and suggest that some of the processes involved in texture segregation may have a similar explanation.About:
This article is published in Vision Research.The article was published on 1993-01-01. It has received 1609 citations till now. The article focuses on the topics: Spatial frequency.read more
Citations
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Journal ArticleDOI
Orientation Selectivity and the Arrangement of Horizontal Connections in Tree Shrew Striate Cortex
TL;DR: The results indicate that horizontal connections outside a radius of 500 μm from the injection site exhibit not only modular specificity, but also specificity for axis of projection, suggesting specific ways that horizontal circuits contribute to the response properties of layer 2/3 neurons and to mechanisms of visual perception.
Book
What is the goal of sensory coding
TL;DR: In this article, it is proposed that the visual system is near to optimal in representing natural scenes only if optimality is defined in terms of sparse distributed coding, where all cells in the code have an equal response probability across the class of images but have a low response probability for any single image.
Journal ArticleDOI
A Century of Gestalt Psychology in Visual Perception I. Perceptual Grouping and Figure-Ground Organization
Johan Wagemans,James H. Elder,Michael Kubovy,Stephen E. Palmer,Mary A. Peterson,Manish Singh,Rüdiger von der Heydt +6 more
TL;DR: An integrated review of the neural mechanisms involved in contour grouping, border ownership, and figure-ground perception is concluded by evaluating what modern vision science has offered compared to traditional Gestalt psychology, whether the authors can speak of a Gestalt revival, and where the remaining limitations and challenges lie.
Journal ArticleDOI
What is the goal of sensory coding
TL;DR: It is proposed that compact coding schemes are insufficient to account for the receptive field properties of cells in the mammalian visual pathway and suggested that natural scenes, to a first approximation, can be considered as a sum of self-similar local functions (the inverse of a wavelet).
Journal ArticleDOI
Improvement in Visual Sensitivity by Changes in Local Context: Parallel Studies in Human Observers and in V1 of Alert Monkeys
TL;DR: The contextual sensitivity of human contrast thresholds and of superficial layer complex cells in monkey V1 was measured and it was shown that 42% of complex cells demonstrated facilitation for a second bar outside their classical receptive fields with a similar dependency on relative location and orientation.
References
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Journal ArticleDOI
A Computational Approach to Edge Detection
TL;DR: There is a natural uncertainty principle between detection and localization performance, which are the two main goals, and with this principle a single operator shape is derived which is optimal at any scale.
Book
The Fractal Geometry of Nature
TL;DR: This book is a blend of erudition, popularization, and exposition, and the illustrations include many superb examples of computer graphics that are works of art in their own right.
Journal ArticleDOI
Theory of Edge Detection
David Marr,Ellen C. Hildreth +1 more
TL;DR: The theory of edge detection explains several basic psychophysical findings, and the operation of forming oriented zero-crossing segments from the output of centre-surround ∇2G filters acting on the image forms the basis for a physiological model of simple cells.
Journal ArticleDOI
Relations between the statistics of natural images and the response properties of cortical cells.
TL;DR: The results obtained with six natural images suggest that the orientation and the spatial-frequency tuning of mammalian simple cells are well suited for coding the information in such images if the goal of the code is to convert higher-order redundancy into first- order redundancy.
Journal ArticleDOI
Some informational aspects of visual perception.
TL;DR: Special types of lawfulness which may exist in space at a fixed time, and which seem particularly relevant to processes of visual perception are focused on.