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4554585 |
Spatial prefilter for variable-resolution sampled imaging systems
Aliasing in detected image samples is substantially reduced by a spatial low-pass prefilter employing a diffusing surface variably spaced from an imager and situated in the path of projected image...
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4527198 |
Followspot parameter feedback
Apparatus for providing the operator of a light projector suitable for performance lighting and capable of beam azimuth and elevation control with data as to the current values of the projector's...
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4497065 |
Target recognition system enhanced by active signature measurements
A passive electro-optical target recognition system which utilizes additional signature measurements of an active nature to enhance the discrimination of desired targets from detected candidate...
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4488249 |
Alignment error calibrator and compensator
In an airborne target acquisition and tracking system having a stabilization axis and an optical axis in which a slight mechanical misalignment is present, an apparatus and method for...
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4470151 |
Image motion and distortion stabilization for predetection scene information processing sensors
The specification discloses a method and apparatus for stabilizing images in the reference frame of a forward or down looking infrared receiver moving relative to the scene. An infrared modulator...
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4430673 |
Programmable scan/read circuitry for charge coupled device imaging detectors
A circuit for scanning and outputting the induced charges in a solid state charge coupled device (CCD) image detector (13) is disclosed in an image detection system (10) for use in a spacecraft...
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4418361 |
Tracking link
In a system (10) comprising a trunnion-mounted aiming device (11) and a trunnion-mounted sighting device (14) interconnected by a tracking link (13) and having an associated visual display (16)...
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4409661 |
Aimpoint selection processor
The selection and designation of an aimpoint on a known type of target appearing in the field of view of a video tracking system imaging sensor is accomplished by (a) developing binary target...
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4404592 |
Video imagery device, especially for a homing unit
In a video imagery device, the detector is mounted on the missile structure and not on a head which is stabilized by gyroscopic action. The device includes optical deflection elements for bringing...
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4402009 |
Method and apparatus for enhancing an incomplete, limited bandwidth picture generated by an image sensor
Apparatus for enhancing incomplete, limited bandwidth, sequential signals generated by an image sensor. Each of the incomplete signals comprises a plurality of alternate lines containing...
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4396950 |
CCD Camera
A CCD camera capable of observing a moving object which has varying intensities of radiation eminating therefrom and which may move at varying speeds is shown wherein there is substantially no...
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4364089 |
Binary correlation video tracker
A binary correlation video tracker and a video preprocessor included therein, which function cooperatively to form binary patterns of values for the picture elements (pixels) in a predetermined...
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4349838 |
Laser target designator system
The system makes it possible to accurately align the laser emission axis with that of the video image sensor by using a point light source and an associated focusing optical system. External...
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4345274 |
Object identification system utilizing closed circuit television
A system to permit the visual observation of objects moving along a fixed path. The object is viewed through a television camera which images the object through an optic axis bending element. The...
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4333106 |
Method of measuring firing misses and firing miss-measuring installation for the performance of the method
A firing miss-measuring installation and method by means of which it is possible to directly measure firing misses, i.e. the distance between the projectile and the target. Live ammunition is used...
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4324491 |
Dual mode guidance system
An active (laser) and passive guidance system having a common sensor (siln-vidicon) for target acquisition, non-imaging seeker (four quadrant detector integrated with four single detectors, gyro...
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4316218 |
Video tracker
Electrical control system for a video tracker, including circuitry for maintaining the size of the target substantially constant relative to the tracking window, thereby improving the accuracy of...
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4314276 |
Autoboresighting electro-optical system
In an electro-optical (E-O) system, the reference axis of a beam of light emitted from a light source is aligned colinear with the boresight image axis and the combined images with their colinear...
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4297725 |
Method for measurement of displacement of moving body by use of target mark and apparatus therefor
Disclosed herein are a method for the measurement of physical displacement, including the angular displacement, of a body in motion and an apparatus for use in the method, which method comprises...
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4286289 |
Touch screen target designator
The touch screen target designator provides an interface between an opera and an automatic tracking system, which uses the operator's overpressure or touch on the displayed image of a target to...
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4270143 |
Cross-correlation video tracker and method
A cross-correlation video tracker and method for automatically tracking a relatively moving scene by storing elements from a frame of a video signal to establish a reference frame and comparing...
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4268863 |
Threshold selection circuit
A threshold selection circuit, suitable for a processing unit for the processing of video signals obtained from an angle tracking device, is provided with a number (N) of video integrators to...
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4264928 |
Conference video system
The system includes a plurality of conference seats, at each of which is a microphone. The system also includes a TV camera and a pivotable mirror which directs light from the conference seats to...
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4220967 |
Scene tracker using multiple independent correlators
A scene tracker for use with imaging or quasi-imaging sensors such as TV cameras, FLIRS, millimeter-wave scanners, or the like is disclosed. Specifically, the invention is concerned with a form of...
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4196449 |
Digital video effects system employing a chroma-key tracking technique
A chroma-key insertion technique by which a part of a second television picture, designated by a chroma-key signal produced from a first television picture, is inserted into the first television...
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4160272 |
Digital voltage accumulator
A digital voltage accumulator functioning to store a digital signal over an extended period of time, the digital signal representing the accumulated sum of values of an analog input signal as...
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4155096 |
Automatic laser boresighting
To boresight the laser of a laser designator system to the null point of an automatic television tracker, by selectively causing the laser beam to be retroreflected to the video sensor of the...
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4133004 |
Video correlation tracker
A correlation tracker for generating correlation error tracking signals over an entire video frame. Video information from a scanning receiver is inputted into the correlation tracker in serial...
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4103435 |
Head trackable wide angle visual system
A human head trackable wide angle visual system is disclosed which probes y given terrain constructed on a model board and causes selected image portions thereof to be projected on a trio of...
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4092670 |
Video processor for solid state star tracker
In a solid state star tracker of the type in which an array of image detectors is viewed and scanned with the video signals therefrom processed to determine star location, both horizontal and...
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4075657 |
Eye movement monitoring apparatus
An apparatus is disclosed for testing the eye movements of a viewer in response to visual stimuli, such as an advertisement, displayed on a screen. One camera cooperates with a light source to...
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4067015 |
System and method for tracking a signal source
A system for tracking moving signal sources is disclosed which is particularly adaptable for use in tracking stage performers, although a wide range of other uses is possible. A miniature...
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4064528 |
Method and apparatus for enhancing a televised object
An image enhancement method and apparatus are provided for use with television equipment whereby a uniquely treated object within the field of a television camera is enhanced electronically for...
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4034208 |
Acceleration aided tracking of a designated target
An angular acceleration aided system for electrooptical tracking of a designated target which operates independently of an inertial navigation system. The designated target point, as viewed by a...
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4025718 |
Method and apparatus for recording in a memory trajectories and traces of objects
A method and an apparatus for storing in a digital memory the information obtained by comparing by means of a logical operator any information previously stored in said memory with the information...
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4023202 |
Television tracking symbol generator
A television tracking symbol generator for use in a non-imaging seeker to ovide basic flight test performance that can be instantly understood by watching a conventional television real time...
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4017716 |
Method and apparatus for directing an observation member
Two systems are disclosed in which a pointer is directed towards a moving target over a predetermined time interval. Angular information is derived from the pointer during this time interval to...
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4015258 |
Weapon aiming system
A gun aiming system having target ranging means, wherein the operator observes the position of backscattered radiation from a bullet or bullets at the target range relative to a simultaneous...
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3947628 |
Device for selective search of objects using images thereof
A device for selective search of objects using images thereof, comprising a number of units connected in series, viz.: a TV-camera producing video signals of the object's image, including a scanner...
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3943277 |
Digital memory area correlation tracker
A digital tracker which provides a continuous display of the area tracked mprising a delay line coupled in circuit with a comparator, a video digitizer and a sensor. The digital tracker further...
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3923273 |
Aim point correlator
A system is presented for locking an electro-optical seeker to a desired get without recourse to a television type reproduction of the target scene. A special gunsight is provided in which the axis...
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3912859 |
Electronic tracking device
1. In an electronic tracking device sensitive to radiation of scanned targets the combination of: Focusing means having an optical axis for forming an optical image of a target, Means for...
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3876308 |
Automatic command guidance system using optical trackers
This invention comprises a missile guidance system wherein an automatic etro-optical tracking device is used to track a target and a second electro-optical tracking device, which shares certain...
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3865974 |
Gray-level angle-gated electro-optical seeker
An electro-optical tracking system which tracks on the gray level of a target of interest. The scene containing the target is focused on the face plate of an imaging tube from which a signal is...
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3859460 |
PASSIVE IMAGE STABILIZATION SYSTEM
An image tracking sensor system mounted to an inertial platform generates an analog image displacement signal for passive image stabilization of a scene image viewed from the platform. A...
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3840699 |
TELEVISION SYSTEM FOR ENHANCING AND TRACKING AN OBJECT
An image enhancement system is provided for use with television equipment whereby a uniquely coated object within the field of view is enhanced to make it more readily observable to the viewer. A...
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3836259 |
APPARATUS FOR TRACKING A LUMINOUS OBJECT
Apparatus for tracking a lamp in the nose of an aircraft calibrating an instrument landing system comprising a vidicon tube, a scanning arrangement for causing scanning the vidicon photocathode...
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3798795 |
WEAPON AIM EVALUATION SYSTEM
The system for evaluating the accuracy of aim of a missile firing weapon measures the line of aim of the weapon at the time of firing, measures the target flight path with an optical sensor and a...
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3794761 |
PATTERN PROCESSING APPARATUS
Information regarding a pattern being identified is obtained by means of a photoelectric connector comprising a photoelectric surface on which a photoinput image of the pattern is to be projected,...
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3772516 |
MAGNIFIER SCANNER TRACKER
An electro mechanical optical device utilizing concentric multiple optical paths through which light indicative of a target scene can be displayed upon photosensitive devices, with means for...
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