Search Results - "Koenderink, J.J."

The “shading twist,” a dynamical shape cue by Koenderink, J. J., van Doorn, A. J., Pont, S. C.

“…When a light source moves, the isophotes of the illuminance field (observed as “shading” in the case of Lambertian surfaces) move over the surfaces of…”
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Color Measurement by Imaging Spectrometry by Stokman, H.M.G., Gevers, Th, Koenderink, J.J.

“…Spectral imaging has the potential to make spatially resolved absolute color measurement possible for automatic visual inspection in industrial production…”
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Haptic detection thresholds of Gaussian profiles over the whole range of spatial scales by LOUW, S, KAPPERS, A. M. L, KOENDERINK, J. J

“…In the literature only a small subset of the broad range of scales of human haptic perception has been explored. In this experiment, haptic detection…”
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Generic neighborhood operators by Koenderink, J.J., van Doorn, A.J.

“…A method that treats linear neighborhood operators within a unified framework that enables linear combinations, concatenations, resolution changes, or…”
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Do reference surfaces influence exocentric pointing? by Doumen, M.J.A., Kappers, A.M.L., Koenderink, J.J.

“…All elements of the visual field are known to influence the perception of the egocentric distances of objects. Not only the ground surface of a scene, but also…”
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Reflectance and texture of real-world surfaces by Dana, K.J., Nayar, S.K., van Ginneken, B., Koenderink, J.J.

“…In this work, we investigate the visual appearance of real-world surfaces and the dependence of appearance on imaging conditions. We present a BRDF…”
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Affine structure and photometry by Rosenholtz, R., Koenderink, J.J.

“…Motion of an observer relative to objects in a scene provides information about the structure of the scene. Changing patterns of shading due to motion relative…”
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Differential spatial displacement discrimination thresholds for Gabor patches by Toet, A, Koenderink, J J

“…Differential spatial displacement discrimination thresholds were determined for a configuration of three identical Gaussian modulated patches of sinusoidal…”
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Multi-level Cellular Automata & Social Dynamics by Koenderink, J.J., Richards, W.

“…Social and biological systems consist of many levels, typically hierarchically arranged, with different mechanisms and rules for organizing information and…”
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Visibility of elliptical Gaussian blobs by Bijl, P, Koenderink, J J

“…Contrast detection thresholds for horizontally and vertically oriented elliptical stimuli with a 2D-Gaussian luminance profile in space and a Gaussian envelope…”
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Inhomogeneity and anisotropies for motion detection in the monocular visual field of human observers by van de Grind, W A, Koenderink, J J, van Doorn, A J, Milders, M V, Voerman, H

“…Signal-to-noise-ratio (SNR) thresholds were measured for the detection of coherent motion in moving random pixel arrays of constant root-mean-square contrast…”
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A hitherto unnoticed singularity of scale-space by Koenderink, J.J.

“…A hitherto unnoticed singularity of scale space occurs only at isolated points in scale space. Thus it does not generically occur for single images, but it can…”
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Contrast adaptation and contrast gain control by MÄÄTTÄNEN, L. M, KOENDERINK, J. J

“…Electrophysiological measurements have shown that contrast adaptation can increase the contrast gain of cortical cells of the cat and the monkey. This implies…”
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What is a "Feature"? by Koenderink, J.J.

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Displacement estimates through adaptive affinities by Werkhoven, P., Toet, A., Koenderink, J.J.

“…A technique that is functionally equivalent to the oriented smoothing concept and reduces numerical complexity and computational costs by eliminating the…”
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Visibility of blobs with a Gaussian luminance profile by Bijl, P, Koenderink, J J, Toet, A

“…Contrast detection thresholds for circular symmetric stimuli with a Gaussian luminance profile and Gaussian temporal modulation were measured as a function of…”
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The distribution of human motion detector properties in the monocular visual field by van de Grind, W A, Koenderink, J J, van Doorn, A J

“…The detection of coherent movement in stroboscopically (100 Hz) displayed moving random checkerboard ("Julesz-") patterns is studied psychophysically for…”
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Scale invariant features of differential spatial displacement discrimination by Toet, A, van Eekhout, M P, Simons, H L, Koenderink, J J

“…For a configuration of three blobs, with Gaussian spatial contrast profiles, at threshold luminance contrast, differential spatial displacement discrimination…”
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Detectability of velocity gradients in moving random-dot patterns by van Doorn, A J, Koenderink, J J

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Illusory motion in visual displays by Lelkens, A M, Koenderink, J J

“…The apparent motion of a change in the structure of a random check pattern is studied by spatially masking it with another noise pattern and it is compared…”
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