Edge orientation enhancement using optoelectronic VLSI and asynchronous pulse coding
- 7 November 2002
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- Vol. 2, 297-300
- https://doi.org/10.1109/iscas.2000.856320
Abstract
We describe the implementation of one channel of an optoelectronic orientation enhancement algorithm based on a neurally inspired algorithm. An 8/spl times/8 VCSEL (Vertical Cavity Surface Emitting Laser) array, hybridized to CMOS driver circuits, transmits a contrast-enhanced image that would be computed in the early stages of visual processing. A diffractive optical element (DOE) generates a projective field which reinforces pixels of a preferred orientation. A CMOS receiver integrates correlated pulses to produce high output in frequently activated areas. Data from a one channel system shows orientation enhancement.Keywords
This publication has 5 references indexed in Scilit:
- Asynchronous sampling of 2D arrays using winner-takes-all arbitrationPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2002
- Power to the packageIEEE Spectrum, 1999
- Speed and energy analysis of digital interconnections: comparison of on-chip, off-chip, and free-space technologies.Applied Optics, 1998
- An integrated cortical layer for orientation enhancementIEEE Journal of Solid-State Circuits, 1997
- Synthetic aperture radar processing by a multiple scale neural system for boundary and surface representationNeural Networks, 1995