A system for controlling turret functions of a land-based combat vehicle includes: a plurality of image detection sensors for recording sequences of images having an at least partial view of a 360° environment of the land-based combat vehicle; at least one virtual, augmented or mixed reality headset for wear by an operator, the headset presenting the at least partial view of the environment of the land-based combat vehicle on a display, the headset including a direction sensor for tracking an orientation of the headset imparted during a movement of a head of the operator and eye tracking means for tracking eye movements of the operator; a control unit including at least one computing unit for receiving as input and processing: images supplied by the plurality of image detection sensors; headset position and orientation data supplied by the direction sensor; eye position data supplied by the eye tracking means.

An information processing method and an electronic device are provided. The method is performed by a first wearable device, where the first wearable device includes a first image collector, and the method includes: obtaining a second face image by the first image collector and receiving a first face image from the second wearable device in a case that the first wearable device and a second wearable device are in a preset positional relationship; and processing first target information from the second wearable device in a case that the first face image matches the second face image.

A hearing aid and related systems and methods. In one implementation, a hearing aid system may comprise a wearable camera configured to capture images from an environment of a user, a microphone configured to capture sounds from the environment of the user, and a processor. The processor may be programmed to receive images captured by the camera; receive audio signals representative of sounds captured by the microphone; operate in a first mode to cause a first selective conditioning of a first audio signal; determine, based on analysis of at least one of the images or the audio signals, to switch to a second mode to cause a second selective conditioning of the first audio signal; and cause transmission of the first audio signal selectively conditioned in the second mode to a hearing interface device configured to provide sound to an ear of the user.

The disclosed ultrasound devices may include at least one ultrasound transmitter positioned and configured to transmit ultrasound signals toward a user's face to reflect off a facial feature of the user's face and at least one ultrasound receiver positioned and configured to receive and detect the ultrasound signals reflected off the facial feature. At least one processor may be configured to receive data from the at least one ultrasound receiver and to determine, based on the received data from the at least one ultrasound receiver, at least one of the following eye measurements: an interpupillary distance of the user; an eye relief; or a position of a head-mounted display relative to the facial feature of the user. Various other devices, systems, and methods are also disclosed.

A method, performed by an augmented reality (AR) device including a vision correction lens, of detecting a gaze of a user is provided. The method includes obtaining lens characteristic information about the vision correction lens arranged to overlap a light guide plate in a gaze direction of the user, emitting light for gaze tracking toward a light reflector through a light emitter, wherein the emitted light is reflected by the light reflector and then directed to an eye of the user, receiving a light reflected by the eye of the user through a light receiver, obtaining an eye image of the user based on the light received, adjusting the eye image of the user based on the lens characteristic information about the vision correction lens, and obtaining gaze information based on the adjusted eye image.

An image display system may include an image display device, and first and second attachments. The image display device may include a frame wearable on a user's face, a display unit, display controlling unit causing the display unit to display an image, and a joint portion provided on the frame, capable of having the first attachment mounted thereon, capable of having the second attachment mounted thereon, and capable of selectively having one of the first and second attachments mounted thereon when the image display device is used. The first attachment may include an engaging portion capable of engaging with a use's head and a first attaching portion that attaches the engaging portion to the joint portion. The second attachment may include a fixing portion fixable to headwear covering the user's head and a second attaching portion that attaches the fixing portion to the joint portion.

A method for creating and updating a database is disclosed. In one example, the method includes presenting a first stimulus to a first user wearing a head-wearable device, using a first camera of the head-wearable device to generate. When the first user is expected to respond to the first stimulus or expected to have responded to the first stimulus, using a second camera of the head-wearable device to generate a first right image of at least a portion of the right eye of the first user. A data connection is established between the head-wearable device and the database. A first dataset is generated comprising the first left image, the first right image and a first representation of a gaze-related parameter, the first representation being correlated with the first stimulus, and adding the first dataset to a device database.

Disclosed is a method for detecting a shadow in an image of an eye region of a user wearing a Head Mounted Device, HMD. The method comprises obtaining, from a camera of the HMD, an image of the eye region of the user wearing a HMD and determining an area of interest in the image, the area of interest comprising a plurality of subareas. The method further comprises determining a first brightness level for a first subarea of the plurality of subareas and determining a second brightness level for a second subarea of the plurality of subareas. The method further comprises comparing the first brightness level with the second brightness level, and, based on the comparing, selectively generating a signal indicating a shadow.

A head-up display apparatus is disclosed. The head-up display apparatus according to one embodiment of the present invention comprises: a display panel; a stereoscopic image filter; and a mirror. The display panel includes a first region in which a first image is displayed and a second region in which a second image is displayed, and the stereoscopic image filter is configured to convert the first image into a stereoscopic image. In an embodiment of the present invention, the first image displayed on the display panel is warped and displayed, thereby preventing distortion of the stereoscopic image when projected on a windshield.

A mixed, virtual and augmented reality headset having a front casing (2) with a housing receiving a smartphone (19) facing the holographic display (5); a curved holographic display (5) in the front portion of the headset reflecting a projected image (11) via the display of a smartphone (19) and simultaneously allowing the user to see through same; a motorised mirror (14) positioned in a withdrawn position or in an extended position in front of the holographic display (5) reflecting the projected image (11) via the smartphone (19); two motorised lenses (15) positioned in a withdrawn position or in an extended position in front of the pupils (13) of the user; a mirror system (16) reflecting a real external image (10) with respect to the headset (1) towards a camera of the smartphone (19); and a control unit (50) controlling the position of the motorised lenses (15) and mirror (14).