Abstract
Under appropriate conditions zero-crossings of a bandpass signal are very rich in information. The authors examine here the relevance of this result to the early stages of visual information processing, where zero-crossings in the output of independent spatial-frequency-tuned channels may contain sufficient information for much of the subsequent processing.
Keywords
Band-pass filterZero (linguistics)Relevance (law)Signal processingInformation processingZero crossingSpatial frequencyComputer scienceOpticsPhysicsTelecommunicationsPsychologyNeuroscience
Affiliated Institutions
Related Publications
An approach to the approximation problem for nonrecursive digital filters
A direct design procedure for nonrecursive digital filters, based primarily on the frequency-response characteristic of the desired filters, is presented. An optimization techni...
A computational model for the peripheral auditory system: Application of speech recognition research
A computer system for speech analysis based on human auditory processing is described. The system consists of a bank of 40 independent channels, spanning the frequency range fro...
Visual evoked potential (VEP) measured by simultaneous 64-channel EEG and 3T fMRI
We present the first simultaneous measurements of evoked potentials (EPs) and fMRI hemodynamic responses to visual stimulation. Visual evoked potentials (VEPs) were recorded bot...
The Capacity of Linear Channels with Additive Gaussian Noise
The standard method of computing the mutual information between two stochastic processes with finite energy replaces the processes with their Fourier coefficients. This procedur...
The eyes have it: a task by data type taxonomy for information visualizations
A useful starting point for designing advanced graphical user interfaces is the visual information seeking Mantra: overview first, zoom and filter, then details on demand. But t...
Publication Info
- Year
- 1979
- Type
- article
- Volume
- 69
- Issue
- 6
- Pages
- 914-914
- Citations
- 120
- Access
- Closed
External Links
Social Impact
Altmetric
PlumX Metrics
Social media, news, blog, policy document mentions
Citation Metrics
120
OpenAlex
Cite This
David Marr,
Shimon Ullman,
Tomaso Poggio
(1979).
Bandpass channels, zero-crossings, and early visual information processing.
Journal of the Optical Society of America
, 69
(6)
, 914-914.
https://doi.org/10.1364/josa.69.000914
Identifiers
- DOI
- 10.1364/josa.69.000914