[图书][B] Deep space optical communications

H Hemmati - 2006 - books.google.com
A quarter century of research into deep space and near Earth optical communications This
book captures a quarter century of research and development in deep space optical …

Bioinspired polarization imager with high dynamic range

M Garcia, T Davis, S Blair, N Cui, V Gruev - Optica, 2018 - opg.optica.org
Polarization is one of the three fundamental properties of light, along with color and intensity,
yet most vertebrate species, including humans, are blind with respect to this light modality. In …

A foveated silicon retina for two-dimensional tracking

R Etienne-Cummings, J Van der Spiegel… - … on Circuits and …, 2000 - ieeexplore.ieee.org
A silicon retina chip with a central foveal region for smooth-pursuit tracking and a peripheral
region for saccadic target acquisition is presented. The foveal region contains a 9/spl times/9 …

Implementation of steerable spatiotemporal image filters on the focal plane

V Gruev, R Etienne-Cummings - IEEE Transactions on Circuits …, 2002 - ieeexplore.ieee.org
This paper presents an architectural overview of a pseudogeneral image processor (GIP)
chip for realizing steerable spatial and temporal filters at the focal-plane. The convolution of …

Pointing accuracy improvement using model-based noise reduction method

S Lee - Free-Space Laser Communication Technologies XIV, 2002 - spiedigitallibrary.org
A new method for improving centroid accuracy, thereby pointing accuracy, is proposed.
Accurate centroid estimation is critical for free-space optical communications where the …

Motion detection circuits for a time-to-travel algorithm

R Moeckel, SC Liu - 2007 IEEE International Symposium on …, 2007 - ieeexplore.ieee.org
We describe a new motion detection circuit that extracts motion information based on a time-
to-travel algorithm. The front-end photoreceptor adapts over 7 decades of background …

A simplified normal optical flow measurement CMOS camera

S Mehta, R Etienne-Cummings - IEEE Transactions on Circuits …, 2006 - ieeexplore.ieee.org
Various motion properties of an image can be computed by using normal flow
measurements. Notable among these are focus of expansion, time to contact. Many VLSI …

An address-event vision sensor for multiple transient object detection

V Chan, C Jin, A van Schaik - IEEE Transactions on …, 2007 - ieeexplore.ieee.org
We present a vision sensor chip designed to detect multiple transient objects—objects that
either move or change in light intensity—and output their locations using address-event …

Biologically inspired visual motion detection in VLSI

R Etienne-Cummings - International Journal of Computer Vision, 2001 - Springer
Visual motion detection is a fundament component of vision, and plays a vital role in scene
analysis and understanding for behaving organisms. In computer vision, motion detection …

Intelligent robot vision sensors in VLSI

R Etienne-Cummings - Autonomous Robots, 1999 - Springer
Traditional approaches for solving real-world problems using computer vision have
depended heavily on CCD cameras and workstations. As the computation power of …