[PDF][PDF] A neural model of early vision: Contrast, contours, corners and surfaces

T Hansen - University of Ulm Faculty of Computer Science, 2003 - Citeseer
… In particular, effects of surround inhibition by randomly oriented bars and long-range excitation
by colinear flankers on the response to a central bar element are successfully simulated. …

Visual surround suppression at the neural and perceptual levels

Y Li, W Dai, T Wang, Y Wu, F Dou, D Xing - Cognitive Neurodynamics, 2024 - Springer
… of surround suppression in the visual system and perceptions. Then, we mainly summarize
the differences in perceptual surround … strength of perceptual surround suppression could be …

Imaging spatiotemporal dynamics of surround inhibition in the barrels somatosensory cortex

D Derdikman, R Hildesheim, E Ahissar… - Journal of …, 2003 - Soc Neuroscience
… local excitation and surround inhibition is … inhibition. Subsequently, the third phase exhibiting
a depolarization rebound was observed and clear, and ∼16 Hz oscillations were detected. …

Extraction of perceptually salient contours by striate cortical networks

SC Yen, LH Finkel - Vision research, 1998 - Elsevier
… the inhibitory inputs from the surround. … contour elements to inhibit other elements but
we found that mechanisms of this sort cause contours that are close to each other to inhibit

[HTML][HTML] Multiple components of surround modulation in primary visual cortex: multiple neural circuits with multiple functions?

L Nurminen, A Angelucci - Vision research, 2014 - Elsevier
… to V1 surround modulation, blockade of intra-V1 inhibition does not completely abolish near-…
scene belonged to the same physical contour or to different contours. In line with the Gestalt-…

Edge and line oriented contour detection: State of the art

G Papari, N Petkov - Image and Vision Computing, 2011 - Elsevier
… that contour detection has reached high degree of sophistication, taking into account multimodal
contour … ), mechanisms for reducing the contour masking influence of noise and texture, …

Response suppression in V1 agrees with psychophysics of surround masking

B Zenger-Landolt, DJ Heeger - Journal of Neuroscience, 2003 - Soc Neuroscience
… out that although surround suppression is known to reduce firing rates it may well lead to
an increase in inhibitory synaptic activity. In our study, this increase in inhibition led to a clear …

The “silent” surround of V1 receptive fields: theory and experiments

P Series, J Lorenceau, Y Frégnac - Journal of physiology-Paris, 2003 - Elsevier
… static contoursinhibitory cells become active and provoke the saturation of excitatory cells.
In that case, the dominant effect of the surround is to enhance the activity of the local inhibitory

Contour detection based on contextual influences

Z Qu, P Wang, Y Gao, P Wang… - The 2010 IEEE …, 2010 - ieeexplore.ieee.org
… In order to distinguish contours from textures, we incorporate surround facilitation and
suppression to the Canny edge detector. The proposed detector is contextual because we take …

Circuits and mechanisms for surround modulation in visual cortex

A Angelucci, M Bijanzadeh, L Nurminen… - Annual review of …, 2017 - annualreviews.org
… The solid black contour indicates the measured onset latency of current sinks, and the blue
… a 0 grating to the surround leads to increased inhibition of the E1 cell via the surround inputs, …