Abstract: A method of assigning sets of assignments to at least one agent is provided. The agent(s) are capable of assuming a plurality of states. The method comprising, for each agent: constructing a graph having a plurality of vertices and a plurality of edges. Each vertex of the graph represents an assignment performable by the agent while being at a respective state, and each edge connects two vertices hence represents a transition between two states. The method further comprises assigning a predetermined weight for each vertex of the plurality of vertices; and using a longest-path algorithm for obtaining a path over the graph, the path having a plurality of connected vertices and being characterized by a substantial optimal objective function defined using respective weights of the plurality of connected vertices. The agent is thereby assigned with a set of assignments represented by the plurality of connected vertices of the graph.

Abstract: A vehicle (for example an unmanned robot vehicle) which includes a main body provided with a main locomotion mechanism for traveling over a terrain. The device is provided with at least one arm for enhanced support and maneuverability, the arm pivotally attached to the main body. The arm is controllable and capable of being rotated to a position where the arm or at least a substantial portion of the arm is placed in contact with the terrain or obstacle, so as to provide support or leverage to the main body.

Abstract: A vehicle mounted imaging system and method, enabling selective imaging of objects in a low-visibility environment. The system includes a light source providing non-visible light pulses and a camera having an image intensifier enabled to gate selected received images. The light source may be a laser generator, which may be enabled to generate a pulse width related to the depth of a field to be imaged. The gated image intensifier may determine gating time spans according to the depth of a field to be imaged.

Abstract: System for improving audiovisual communication, the system including a line of sight determining system for determining a user line of sight of the eyes of a user, and an image display system coupled with the line of sight determining system, the image display system displaying a supplementary image for the eyes, and controlling a property of the supplementary image and of a scene image, according to the determined user line of sight.

Abstract: Head-up display scenery alignment system, the head-up display being mounted in an aircraft and including an image projector and a combiner. The combiner is optically located between a user and a scenery of interest, optically transmitting a scene image of the scenery of interest to the user. The image projector projects an image toward the combiner, and the combiner reflects the image toward the user. The aircraft includes a heading angle sensor, determining the heading angle of the aircraft. The HUD scenery alignment system includes a moving mechanism coupled with the combiner; and a processor coupled with the heading angle sensor, with the moving mechanism and with the projector. The processor receives heading angle information from the heading angle sensor, and the processor determines the deviation of the heading of the aircraft from the longitudinal axis of the aircraft according to the heading angle information.

Abstract: Land vehicle weapon system including a base mount coupled with a land vehicle, a weapon mount, a plurality of weapons coupled with the weapon mount, a weapon moving mechanism coupled between the base mount and the weapon mount, a plurality of moving elements coupled with at least one of the base mount, the weapon mount, the weapons, and with the weapon moving mechanism, a sensing mechanism coupled with at least one of the weapon mount, the weapons and the base mount, and at least one user interface coupled with the weapons, the weapon moving mechanism, the moving elements, and with the sensing mechanism, the user interface enabling a user to remotely operate the weapons, the weapon moving mechanism being operable to move the weapons between a plurality of configurations.

Abstract: Apparatus for determining the position of a selected object relative to a moving reference frame, the apparatus including at least one reference frame transceiver assembly firmly attached to the moving reference frame, at least one object transceiver assembly firmly attached to the selected object, an inertial measurement unit firmly attached to the selected object, an inertial navigation system firmly attached to the moving reference frame, and a tracking processor coupled with the object transceiver assembly, with the inertial measurement unit and with the inertial navigation system, the object transceiver assembly communicating with the reference frame transceiver assembly using magnetic fields, the inertial measurement unit producing IMU inertial measurements of motion of the selected object with respect to an inertially fixed reference frame, the inertial navigation system producing INS inertial measurements of motion of the moving reference frame with respect to the inertially fixed reference frame, the

Abstract: Apparatus for determining a range to a coherent light source emitting a coherent light beam, the apparatus including an image sensor and a processor, the processor being coupled with the image sensor, the image sensor including an imaging plane, for capturing an image of the wave front of the coherent light beam, the image including at least one light speckle, wherein the processor identifies the light speckle on the captured image, determines the characteristic diameter of the identified light speckle, and determines the range by squaring the characteristic diameter and dividing the result of the squaring by the wavelength of the coherent light beam and by a proportionality constant.

Abstract: There is provided a method for identifying, at the moment of verification, the situation of a threat to a protected ground, airspace and/or sea limits by an approaching ground vehicle, aircraft or sea-going vessel. The method includes an authorized driver/pilot/captain to select first state in which the vehicle, aircraft or sea-going vessel is not considered to present a threat and a second state in which the vehicle, aircraft or sea-going vessel is considered to present a threat. The method further provides entering the first and second PIN codes into a smart card for generating a One Time Indicia (OTI) for each of the PIN codes and disclosing the state associated with each of the first and second OTI codes to at least one control center. Upon the control center receiving an OTI code, the control center obtains positive identification of the driver/pilot/captain and the degree of the threat that the vehicle, aircraft or sea-going vessel presents.

Abstract: A near eye image display system includes an image projector, a beam combiner assembly, and an optical assembly, optically coupled between the image projector and the beam combiner assembly The image projector projects a display image toward an optical pathway, the optical pathway intersecting a viewing axis, the viewing axis extending from the eye of a user to an ambient scene The beam combiner assembly includes a plurality of beam combiners optically cascaded along the optical pathway, each of the beam combiners being disposed diagonally to the optical pathway and diagonally to the viewing axis Each of the beam combiners is arranged such that for each two adjacent beam combiners, the first of the adjacent beam combiners is optically located between the second of the adjacent beam combiners and the image projector The geometrical projection of the second beam combiner onto a first plane perpendicular to the optical pathway, is subsumed within the geometrical projection of the first beam combiner onto the firs

Abstract: Apparatus for adaptively tracking the position of an object in a volume of interest, the apparatus including at least one transmitter, at least one sensor assembly, and a tracking processor, the transmitter being coupled with the volume of interest, for transmitting a multiple axis, time variant, electromagnetic field through the volume of interest, the sensor assembly including at least three sensors, the sensor assembly being coupled with the object, each of the three sensors respectively measuring a respective component of the electromagnetic field, the tracking processor being coupled with the transmitter and the sensor assembly, wherein the tracking processor produces and adapts a mathematical field model describing the electromagnetic field, the tracking processor further produces and adapts a mathematical sensing model, for compensating the effect of the translational and rotational velocity of each of the sensors, wherein the tracking processor estimates the position of the object from the measured re

Abstract: Apparatus for determining a direction of low power radiation originating from at least one source, the radiation arriving essentially collimated, the apparatus including an opening, at least two radiation sensors, a respective integrator for each radiation sensor, an integration enabler, a threat detector, and a processor, each integrator being coupled with a respective radiation sensor, the integration enabler being coupled with each integrator, the threat detector being coupled with the integration enabler, and the processor being coupled with the integrators and the threat detector, wherein the opening receives incoming radiation, the radiation sensors being located at different spatial locations behind the opening, each radiation sensor detecting at least a respective portion of the incoming radiation received from the opening and converting the respective portion of the incoming radiation into a respective electric signal, each integrator integrating the respective electric signal, wherein the threat det

Abstract: A versatile camera that operates in various visibility conditions, such as daylight and poor visibility conditions, the camera including at least two sensors that capture images in a scene and provide a digital representation of the captured images, each sensor having a particular operational wavelength, and an optical and routing module that receives incoming rays from the scene and routes the incoming rays toward the two sensors.

Abstract: System for displaying an auxiliary image on a head-up display, the system including a panoramic projection screen, at least one panoramic projector for projecting a panoramic image on the panoramic projection screen, a beam combiner located between the panoramic projection screen and the audience, and an auxiliary projector for projecting the auxiliary image toward the beam combiner, the panoramic image being viewed by an audience. The beam combiner produces a combined image of the panoramic image and the auxiliary image, for the audience, by transmitting at least part of the panoramic image toward the audience, and by reflecting the auxiliary image toward the audience, such that the auxiliary image appears closer to the audience than the panoramic image.

Abstract: System for determining a distortion model for an optically distorting medium, the system including an image sensor located at an image acquisition position behind the optically distorting medium, and an image processor coupled with the image sensor, the image sensor acquiring an obstructed image of an object located substantially at infinity, when the optically distorting medium is located between the image sensor and the object in a line of sight connecting the image sensor and the object, the image sensor acquiring an unobstructed image of the object, when the optically distorting medium is absent from the line of sight, the image processor receiving information respective of the obstructed image and the unobstructed image from the image sensor, the image processor identifying a plurality of features in the unobstructed image, and a respective feature in the obstructed image for each of the identified features in the unobstructed image, thereby determining pairs of associated features, the image processor d

Abstract: A system for eye tracking that determines the line of sight of a user according to the relative position between the center of the pupil and a reference point, the system including an image detector that captures an image of the eye, a pupil-illuminating light source that illuminates the pupil of the user, a reference light source that illuminates a different portion of the face of the user as a reference point and an imaging processor that analyzes the captured eye image to determine the line of sight.

Abstract: System for producing a stabilized image of a scene viewed by an image detector, the image detector detecting a plurality of images of the scene, the image detector being supported by gimbals, the gimbals including a servo system for moving the gimbals at least one degree of freedom, the system including an angular movement detection device firmly coupled with the image detector, and a processor coupled with the angular movement detection device and with the image detector, the angular movement detection device detecting at least a portion of angular movements of the image detector about at least one axis of rotation, the angular movement detection device producing an angular output respective of the portion, the processor receiving the images from the image detector, and the angular output from the angular movement detection device, the processor determining at least one shifting displacement and at least one shifting direction for shifting a current image detected by the image detector, relative to a referen

Abstract: A gated camera imaging system and method, utilizing a laser device for generating a beam of long duration laser pulses toward a target. A camera receives the energy of light reflexes of the pulses reflected from the target. The camera gating is synchronized to be set OFF for at least the duration of time it takes the laser device to produce a laser pulse in its substantial entirety, including an end of the laser pulse, in addition to the time it takes the laser pulse to complete traversing a zone proximate to the system and back to the camera, and set ON for an ON time duration thereafter until the laser pulse reflects back from the target and is received in the camera. The laser pulse width substantially corresponds to at least the ON time duration. Preferably, the laser device includes a Diode Laser Array (DLA).

Abstract: According to some embodiments of the invention, an image intensifier is provided. The image intensifier comprises a layer of electrically isolated electrode segments each able to receive an electrical potential independently of the other electrode segments. The electrode segments may be coated onto an inner surface of an entrance window and each of the electrode segments is coated with a photocathode segment. Alternatively, the electrode segments are positioned between a photocathode layer and a micro channel plate.

Abstract: The application disclose a system for handling light that is amenable for intensification by an Image Intensifier and a method for handling the same, wherein the system includes light regulating means for regulating light intensity of the transmissive MEMS (Micro Electro Mechanical System) type in order to prevent light rays emanating from intensely bright light areas from reaching the input plane of the image intensifier, or (instead of using said transmissive MEMS), the system implement light regulating means of the reflective MEMS type and while utilizing the reflective MEMS, the image intensifier is driven to operate in a gating mode, in order to time the light intensifying action of the intensifier to start upon the specific time slot that was essentially completed, of deflecting the light rays emanating from intensely bright light areas away from the input plane of said image intensifier.