Johns Hopkins University

Robert L Fry

David Lee Guyton

Isaac N Bankman

David George Hunter

David M Brown

William E Torruellas

Thomas Raphael Clark, Jr

Gil Tadmor

Saurabh Navinchandra Patel

Julie Christine Sandruck

Apparatuses and methods for point source image blur mitigation are provided. An example method may include receiving, from an imaging detector, a plurality of pixel signals associated with respective pixels of an image over a stare time, and determining a trajectory of a point source within the image due to relative angular motion of the point source across a plurality of pixels of the image. The example method may further include determining a subset of pixels that intersect with the trajectory, and determining an estimated location of the point source within the image at an end of the stare time based on the pixel signals for each of the pixels within the subset of pixels.

Point source image blur mitigation

An active optical detection system includes an optical transmitter configured to transmit light in a signal pattern and an optical receiver configured to receive light and determine a correlation between the received light and the signal pattern. The correlation of the received light and the signal pattern is indicative of range to an object.

Optical detection system

A system and method is provided for constructing optimal cybernetic based systems. The method is based on a process of formalized rational inquiry, measurement and planned action. More particularly, the method relies upon the precise determination of alternatives through inquiry, a formal logical model of measurement, and the subsequent matching of information obtained through measurement to possible courses of action to arrive at a realizable and useful cybernetic system architecture.

Method and system for the autonomous design of cybernetic systems

A system and method is provided for constructing optimal based systems. The method is based on a process of formalized rational inquiry, measurement and planned action. More particularly, the method relies upon the precise determination of alternatives through inquiry, a formal logical model of measurement, and the subsequent matching of information obtained through measurement to possible courses of action to arrive at a realizable and useful system architecture

Apparatus and method are provided for assessing the direction of fixation of an eye by detecting polarization-related changes in light retroreflected from the fundus of the eye. Nerve fibers in the retina of the eye are birefringent and alter the polarization state of light traversing them as a function of their orientation. The nerve fibers are arrayed in a characteristic pattern in the retina, specifically radiating outward from the fovea and converging to the optic nerve head. By assessment of polarization-related changes in rctroreflected light from multiple retinal areas either sequentially or simultaneously, characteristic birefringence signatures of portions of the retina can be identified which are used to assess the direction of fixation of the eye. In addition, interference from the corneal birefringence is reduced by using incident light having a polarization state that is substantially independent of meridional direction. Circularly polarized light or non-polarized light is used for the assessment. Interference from the corneal birefringence is reduced still further by detecting polarization-related changes that are substantially independent of the meridional direction of the corneal birefringence. This is accomplished by detecting changes in ellipticity by measuring solely the Stokes parameter S.sub.3 or by measuring any two Stokes parameters. An alternative is measuring the overall intensity of the retroreflected light when the dichroism of the lutein pigment particles in the vicinity of the fovea is used for the assessment.

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New Windsor, MD, United States of America

Robert L Fry