interaction of motion signals
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interaction of motion signals space-time asymmetries by Donald Patrick Gallogly

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Published .
Written in English


  • Motion perception (Vision),
  • Movement, Psychology of

Book details:

Edition Notes

Statementby Donald Patrick Gallogly
The Physical Object
Paginationiii, 70 leaves :
Number of Pages70
ID Numbers
Open LibraryOL15193930M

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Local motion signals can be distinguished by mathematical characterization of the underlying spatiotemporal correlations (Chubb & Sperling, ; Lu & Sperling, ; Reichardt, ). This approach identifies several kinds of motion elements (F, NF, and G) that are mathematically independent, and are also independent in an operational sense: Each kind of motion signal Cited by: 1. A global dot-motion stimulus was employed in order to investigate the interaction between luminance and chromatic signals in motion processing. Thresholds are determined by measuring the minimum number of dots which need to move in a coherent fashion in a field of randomly moving dots in order for the observers to be able to determine the direction of coherent by: One possible hypothesis which emerges from the above mentioned studies may be the one that assumes three types of motion interaction: the first gives rise to motion assimilation between nearby motion signals, the second and the third give rise to, respectively, motion contrast and motion assimilation between distant by: Cavanagh and Anstis, ) there are two possible ways that noise in luminance may affect global-motion perception. If the chromatic and luminance signals are processed independently, then the addition of noise in luminance should not affect the ability to extract the global-motion signal in the colour by:

We propose that temporal recruitment may occur via two mechanisms. One involves stimulating motion detectors with greater spans and delays, whilst the other involves the co-operative interaction of signals from units tuned to similar directions and Cited by: The results are interpreted as indicating that motion signals moving between 90 and ° to the global-motion direction provide uniform masking of the global-motion signal. For angular separations less than 90°, a suprathreshold secondary signal resulted in threshold elevation. This result could be due, Cited by: Motion and Interaction Penny Rheingans University of Maryland Baltimore County 1 Mechanisms of Motion Perception Light enters the eye, is focused by the cornea, passes through the variable-diameter iris, is further focused by the lens, and strikes the light-sensitive receptors of the retina in the back of the eye. From the photoreceptors, neural. Newton’s laws of motion, three statements describing the physical relations between the forces acting on a body and the motion of the body. Isaac Newton developed his three laws in order to explain why planetary orbits are ellipses rather than circles, but .

Searching for Life Motion Signals. Article (BM) and decipher the meaning therein is essential to human survival and social interaction. However, at the individual level, we are not equally. 1 Introduction + Show details-Hide details p. 1 –5 (5) This Chapter gives an Introduction to the broad design phases of radar motion sensing. Due to the technical advancements in semiconductor, signal processing, and system integration, radar has emerged as a promising technique for short-range motion sensing, detecting an object's relative displacement motions . The combination of motion signals over time. Snowden RJ., Braddick OJ. The improvement in performance with increasing number of frames in a random-dot kinematogram (temporal recruitment) was assessed by measuring threshold signal Cited by: initial estimation of motion signals and similar interaction schemes for the spatio-temporal integration. Initial motion is detected by the Hassenstein-Reichardt detectors (Hassenstein and Reichardt, ), motion energy filters (Adelson and Bergen, ), also applied in the frequency domain (Heeger, ).