Abstract: An optical system that reduces reflections from an electronic display is provided herein. The optical system may include an electronic display; and a light directing medium configured to steer a plurality of viewing cones into an eye motion box facing said display so that said viewing cones overlap at least partially at the eye motion box plane, wherein a viewing cone is a geometric location only within which a viewer can see light coming from said electronic display.

Abstract: Methods and systems are provided for using a user's line of sight (LOS) and/or gaze direction to enhance displayed data and control various displays and instruments. The user's LOS is tracked, corresponding element(s) in a scene at which the user gazes are identified, e.g., in a database, and respective displayed data are enhanced or otherwise manipulated with respect to the identified element(s). The database may be multilayered and may comprise data layers which are conformal to a scene representation. Users may also select, using their LOS, among multiple layers of information and among multiple displayed parts to enhance or attenuate respective layers or parts. Designated elements may be real-world elements, displayed elements or instruments in the operational surroundings of the user. Identification of elements at which LOSs of multiple users are aimed at may be used for exchange of information among the users.

Abstract: Aspects of embodiments pertain to a display illumination optics for illuminating an image display device of an image generation apparatus, the display illumination optics comprising: a source illumination distributor that includes an illumination waveguide having a front surface and a back surface opposite the front surface and configured to internally direct light along a main direction, wherein the illumination waveguide is configured to distribute the luminance of input illumination light along the main direction of the display illumination optics to obtain, along the main direction, output illumination light of desired luminance.

Abstract: A method and a system are provided herein for calculating whether or not a specific aerial vehicle at a specified point of time can maneuver over a given location in the terrain while complying with terrain clearance requirements. The system may include a computer memory configured to store a 3D model representing at least a portion of a terrain located in a vicinity of an aerial vehicle; a computer processor configured to map said portion of the terrain into at least two types: a first type indicative of a potential of the aerial vehicle to maneuver over a respective terrain while complying with terrain clearance, and a second type indicative of a non-potential of said aerial vehicle to maneuver over a respective terrain, wherein the mapping is carried out based on said parameters, the 3D model and given predefined performance of the aerial vehicle.

Abstract: A method and a system for displaying a scene to a user wearing ahead mounted display (HMD) while removing obstructions in a field of view (FOV) of the user are provided herein. The method may include: capturing by a sensor a vehicle image of the scene wherein the first sensor is mounted on the vehicle; tracking a position and orientation of the HMD in a specified coordinate system, to yield a line of sight (LOS) of the user wearing the HMD; obtaining a database containing obstacles data indicating at least one physical object located within the vehicle and affecting the FOV of the user; calculating an obstructed portion in the FOV of the user, based on the LOS and the database; generating from the vehicle image, an un-obstructed view which includes a portion of the scene overlapping the obstructed portion; and displaying in the HMD the un-obstructed view.

Abstract: Imaging systems and methods are provided, which implement wide field imaging of a region for medical procedures and provide tracking of tools and tissues in the whole region while providing digitally magnified images of a portion of the captured region. Optical tracking may be implemented by stereoscopic imaging, and various elements may be optically tracked such as various markers and fiducials, as well as certain shapes and objects which are optically identifiable by image processing.

Abstract: Head mounted displays (HMD) and corresponding display methods are provided, which obtain, repeatedly, from a monitoring system of a vehicle and, a reference vector relating to the vehicle; display on the HMD a reference symbol that indicates the reference vector; and determine movements of a HMD symbology according to a spatial relation between a received user's line of sight (LOS) and the reference vector. For example, the vehicle may be an aircraft and the reference vector a flight path vector (FPV) received from the aircraft's avionics. The proposed HMD enhances the displayed information content while avoiding excessive movements of the symbology. The HMD's functional parameters may be pre-set or adapted according to user preference and flight stage characteristics. The reference symbol anchors most of the symbology, while minimal critical information may be moved along with the user's LOS, providing a clearer and more stable view through the HMD.

Abstract: Aspects of embodiments pertain to a sensing systems configured to receive scene electromagnetic (EM) radiation comprising a first wavelength (WL1) range and a second wavelength (WL2) range. The sensing system comprises at least one spectral filter configured to filter the received scene EM radiation to obtain EM radiation in the WL1 range and the WL2 ranges; and a self-adaptive electromagnetic (EM) energy attenuating structure. The self-adaptive EM energy attenuating structure may comprise material that includes nanosized particles which are configured such that high intensity EM radiation at the WL1 range incident onto a portion of the self-adaptive EM energy attenuating structure causes interband excitation of one or more electron-hole pairs, thereby enabling intraband transition in the portion of the self-adaptive EM energy attenuating structure by EM radiation in the WL2 range.

Abstract: A mixed reality system, comprising: a data acquisition device configured to acquire real-world data; an output device for providing the real-world data to a user; and a processing circuitry configured to: obtain (a) data acquired by the data acquisition device, and (b) information of one or more virtual entities having properties enabling determination of simulated effects of the virtual entities on the data; determine the simulated effects of the virtual entities on the data utilizing the properties; and provide the user with output on the output device being a manipulation of the data reflecting the simulated effects.

Abstract: An eyepiece suitable for a night vision device, having an optical combiner for injecting a synthetic image onto the scene and having a single optical correction mechanism is provided herein. The eyepiece may include an observer-side lens; an objective-side lens; a diopter adjustment knob configured to set a distance between the observer-side lens and the objective-side lens; and an optical combiner located between the objective-side lens and the objective-side lens, wherein the optical combiner reflects towards the observer-side lens, the synthetic image transmitted from outside the eyepiece and transfers towards the observer-side lens, a scene image coming from an objecting lens of the night vision device and passing through the objective side lens, and wherein the diopter adjustment knob serves as a single setting mechanism which simultaneously sets a diopter of the observer and a focal depth of the display source image.

Abstract: A system for displaying videos, comprising a processing resource configured to: provide a data repository comprising a plurality of previously captured video segments (PCVSs) captured during previous operations of corresponding platforms, each being associated with metadata indicative of a Line-of-Sight (LoS) of a sensor, carried by the corresponding platform of the platforms used to capture the corresponding PCVS, with respect to a fixed coordinate system established in space, during capturing the corresponding PCVS; obtain an indication of a Region-of-Interest (RoI); identify one or more of the PCVSs that include at least part of the RoI, utilizing the LoSs associated with the PCVSs, giving rise to RoI matching PCVSs; and display at least part of at least one of the RoI matching PCVSs, being displayed RoI matching PCVSs, on a display of an operating platform to an operator of the operating platform during a current operation of the operating platform.

Abstract: A system for generating a three-dimensional (3D) map of part of a field-of-view (FOV) of at least one detector of an active 3D scanner, comprising: the active 3D scanner, comprising: a mechanism configured to scan the FOV; at least one energy emitting source configured to emit energy pulses; and the at least one detector; and processing circuitry configured to: obtain information, wherein at least some of designation information is tracker-based designation information that is designated by a user of the system via a tracker that tracks a line-of-sight between the user and the FOV; selectively activate the energy emitting source to emit a subset of the energy pulses, in accordance with the information, including the tracker-based designation information, and in synchronization with the mechanism, to cover the part of the FOV; obtain current readings, from the detector, based on reflections of the subset of the energy pulses; and generate the 3D map based on the current readings.

Abstract: A method of determining a configuration of a measurement volume, the method may include: generating, by at least one transmitter, a transmitted magnetic field within the measurement volume; measuring, by at least one receiver positioned, a total magnetic field in the measurement volume at at least one receiver position and generating at least one receiver output signal; generating, by a processing unit, a measured dataset; comparing, by the processing unit, the measured dataset with at least one of at least two reference configuration datasets each for determined for one of at least two different configurations of the measurement volume; and identifying, by the processing unit, a reference configuration dataset of the at least two reference configuration datasets that corresponds to the measured dataset.

Abstract: Systems and methods for determining a relative motion between two or more objects are disclosed. The system may include an excitation unit adapted to be disposed on a first object and configured to excite and to induce at least one change in at least a portion of a second object. The system may include a sensing unit adapted to be disposed on the first object, the sensing unit may include at least one sensor configured to detect the at least one change in the second object at two or more different time instances and to generate corresponding two or more sensor output datasets. The system may include a processing unit configured to determine a relative motion between the first object and the second object based on the two or more sensor output datasets thereof.

Abstract: Head mounted displays (HMD) and corresponding display methods are provided, which obtain, repeatedly, from a monitoring system of a vehicle and, a reference vector relating to the vehicle; display on the HMD a reference symbol that indicates the reference vector; and determine movements of a HMD symbology according to a spatial relation between a received user's line of sight (LOS) and the reference vector. For example, the vehicle may be an aircraft and the reference vector a flight path vector (FPV) received from the aircraft's avionics. The proposed HMD enhances the displayed information content while avoiding excessive movements of the symbology. The HMD's functional parameters may be pre-set or adapted according to user preference and flight stage characteristics. The reference symbol anchors most of the symbology, while minimal critical information may be moved along with the user's LOS, providing a clearer and more stable view through the HMD.

Abstract: System for determining a position of a tool-point-of-interest of a tool, relative to an eye-tissue-of-interest, which includes and imager a tool-tracker and a processor. The imager acquires an image of a tissue-reference-marker. The tool-tracker determines information relating to the P&O of the tool in a reference-coordinate-system. The imager and the tool-tracker are in registration with the reference-coordinate-system. The processor determines the position of the tissue-reference-marker in the reference-coordinate-system, according to the acquired image of the tissue-reference-marker. The processor determines the P&O of the eye-tissue-of-interest in the reference-coordinate-system according to at least the position of the tissue-reference-marker and a relative position between the tissue-reference-marker and the eye-tissue-of-interest. The relative position is pre-determined from a stored-3D-model.

Abstract: Head mounted displays (HMD) and corresponding display methods are provided, which obtain, repeatedly, from a monitoring system of a vehicle and, a reference vector relating to the vehicle; display on the HMD a reference symbol that indicates the reference vector; and determine movements of a HMD symbology according to a spatial relation between a received user's line of sight (LOS) and the reference vector. For example, the vehicle may be an aircraft and the reference vector a flight path vector (FPV) received from the aircraft's avionics. The proposed HMD enhances the displayed information content while avoiding excessive movements of the symbology. The HMD's functional parameters may be pre-set or adapted according to user preference and flight stage characteristics. The reference symbol anchors most of the symbology, while minimal critical information may be moved along with the user's LOS, providing a clearer and more stable view through the HMD.

Abstract: Systems and method are provided which enhance ophthalmological surgical procedures. Systems may include camera(s) configured to capture and magnify eye image(s) (possibly stereoscopic), a tissue position and orientation (P&O) tracker configured in to track a P&O of a specified eye tissue, a tool P&O tracker configured to track a P&O of treatment tool(s) and derive a tool tip pointing vector therefrom, a processing unit configured to calculate an intersection between the tool tip pointing vector and the specified eye tissue and to relate spatially optical coherence tomography (OCT) image(s) of the eye tissue to the tool tip location and/or to the intersection, and a display module configured to display the magnified image(s) of the eye tissue with the OCT image(s) associated therewith according to the spatial relation. An OCT imager may be mounted on the tool tip to provide the OCT image(s) in real time.

Abstract: A first thermal management approach involves an air flow through cooling mechanism with multiple airflow channels for dissipating heat generated in a PCA. The air flow direction through at least one of the channels is different from the air flow direction through at least another of the channels. Alternatively or additionally, the airflow inlet of at least one channel is off-axis with respect to the airflow outlet. A second thermal management approach involves the fabrication of a PCB with enhanced durability by mitigating via cracking or PTH fatigue. At least one PCB layer is composed of a base material formed from a 3D woven fiberglass fabric, and conductive material deposited onto the base material surface. A conductive PTH extends through the base material of multiple PCB layers, where the CTE of the base material along the z-axis direction substantially matches the CTE of the conductive material along the x-axis direction.

Abstract: Method for verifying registration of a model of an internal-body-part with the internal-body-part in a reference coordinate system. The internal-body-part is at least partially unseen directly by a user. The method includes the procedures of continuously determining a position and orientation of a head-mounted-display in the reference coordinate system, determining a display location of at least one virtual marker, and displaying the virtual marker according to the display location. The display location of the virtual marker is determined according to the expected position of a respective at least one reference point relative to the head-mounted-display. The reference point is directly visible to the user. The relative position between the reference point and the internal-body-part is substantially constant. The position of the reference point in the reference coordinate system is predetermined.