Abstract: In an example implementation according to aspects of the present disclosure, a head mounted display (HMD) system which comprises an HMD positioned on an upper portion of a face of a wearer. The HMD system further comprises a facial gesture mask coupled to the HMD and positioned on a lower portion of the face of the wearer and comprising at least one light source and at least one camera to capture image data of the wearer. The HMD system also includes a processor to process the captured image data of the wearer to identify a gesture of the wearer.

Abstract: A head mounted display assembly is provided. The head mounted display assembly comprises a head supported structural frame to support a display viewable by a user of the assembly, the structural frame including upper and lower surfaces. The assembly comprises a mounting interface on the lower surface of the structural frame, the mounting interface for releasably coupling an accessory device to the assembly. The mounting interface comprises a magnetic portion for attracting an opposing magnetic portion of the accessory device upon alignment of the accessory device with the mounting interface, and for repelling the magnetic portion of the accessory device upon misalignment of the accessory device with the mounting interface, and a communication interface for communicating data with the accessory device.

Abstract: A wearable apparatus for sensing movement of a wearer's body is disclosed. The wearable apparatus comprises a flexible substrate for conforming about the wearer's body, and a capacitive sensor attached to the flexible substrate, the capacitive sensor comprising a transmitter electrode and a receiver electrode arranged in opposition on opposite sides of the flexible substrate, the transmitter electrode being arranged to capacitively couple to the receiver electrode.

Abstract: In an example implementation according to aspects of the present disclosure, an electronic device comprises a display which comprises a head-mountable display (HMD) comprises a reflective surface coupled to a face plate of the HMD. The HMD comprises a light source to project light toward the reflective surface, wherein the projected light is reflected onto a wearer of the HMD by the reflective surface. The HMD also comprises a camera to capture an image of the wearer as reflected by the projected light from the reflective surface and a processor to identify a gesture of the wearer within the captured image of the wearer.

Abstract: In some examples, a machine-readable medium can store instructions executable by a processing resource to designate a first field of view of a first sensor of a head-mounted display as an active area, designate a second field of view of a second sensor of the head-mounted display as a gesture area, detect, when present, a gesture in the gesture area and cause an effect of the gesture to occur responsive to detection of the gesture.

Abstract: Examples of a method for emotive avatar animation are described. Some examples of the method may include combining first user pose data captured by an external camera with second user pose data captured by a head-mounted display (HMD). Some examples of the method may include animating an emotive avatar based on the combined user pose data.

Abstract: Structured light is projected onto an object, and an image of the object as illuminated by the projected structured light is captured. Reference object points are identified within the captured image, and the structured light projected onto the object is modified based on the identified reference object points. An additional image of the object as illuminated by the modified projected structured light is captured, and additional reference object points are identified within the captured additional image.

Abstract: An example charge system may include a human interface device (HID) and a base station. An example HID may include a body member, an elliptical member, a rechargeable power supply, device circuitry, and a charge device embedded within the elliptical member. An example base station may include a housing having a raised, elliptical charge area and a charge device located within the housing at the charge area.

Abstract: In some examples, a facial gasket device includes a plurality of physiological sensors to detect physiological signals, and a signal processor to receive output signals based on measurements of the plurality of physiological sensors, the signal processor programmable to selectively combine a collection of the output signals to detect a target physiological activity of the user.

Abstract: A desuperheating spray chamber for use in a rocket exhaust recovery system for a nuclear thermal propulsion rocket, including a substantially-cylindrical outer tank with an upper end including an entrance port and two exhaust ports, a substantially-cylindrical shroud extending downwardly from an inner surface of the upper end of the tank, an annular inner spray ring that is both disposed within and concentric with the shroud; and an annular outer spray ring that is disposed between a side wall of the outer tank and the shroud, the annular outer ring being concentric with the shroud.

Abstract: Structured light is projected onto an object, and an image of the object as illuminated by the projected structured light is captured. Reference object points are identified within the captured image, and the structured light projected onto the object is modified based on the identified reference object points. An additional image of the object as illuminated by the modified projected structured light is captured, and additional reference object points are identified within the captured additional image.

Abstract: In some examples, an apparatus can include a head strap having an inner surface, an inflatable bladder located around the inner surface of the head strap, and a sensor located on the inflatable bladder, where inflation of the inflatable bladder causes the sensor to be in contact with an outer surface of a user of the head strap.

Abstract: In some examples, a facial gasket device includes a plurality of physiological sensors to detect physiological signals, and a signal processor to receive output signals based on measurements of the plurality of physiological sensors, the signal processor programmable to selectively combine a collection of the output signals to detect a target physiological activity of the user.

Abstract: A method of deriving data of a user's body pose in an enhanced reality system includes, with at least one camera coupled to a body-mounted housing, capturing at least one image in three-dimensional (3D) space of at least one extremity of a body of a user on which the body-mounted housing is mounted, and with a processor executing a body pose module, deriving data of a user's body pose based on the at least one image captured by the camera.

Abstract: An example system includes a camera to capture an image of at least one physical input device, a virtual reality (VR) environment display portion to generate a VR environment, a window forming portion to create a window in the VR environment, the position of the window in the VR environment corresponding to a physical location of an interaction area that includes the at least one physical input device, an input device display portion to form an image of the at least one physical input device from the camera, and a VR headset including a head-mounted display to display a composite image of the VR environment, the window and the image of the at least one physical input device. The composite image includes the image of the at least one physical input device within the window.

Abstract: An enhanced reality system includes, in an example, a processor, an enhanced reality display to present, via execution of the processor, a view of an enhanced reality environment to a first user, a display device to present to at least a second user, via execution of the processor, a stabilized tracked view of the enhanced reality environment presented to the first user wherein the view of the enhanced environment provided by the display device is provided using a camera.

Abstract: An input system for a 3D display device includes a pen, and a tablet computing device to receive input via interaction with the pen. The tablet computing device including a display dock to dock the 3D display device and a pen dock to dock the pen, wherein docking of the 3D display device in the display dock facilitates a determination of a display position of a visual representation of the tablet computing device on the 3D display device.

Abstract: In one example in accordance with the present disclosure, a wearable computing device mount is described. The wearable mount includes a harness wearable by a user and a plate attached to the harness, A computing device is selectively mounted to the plate via mechanical fasteners. The mount also includes a docking station coupled to the plate. The docking station includes a computing device port to engage with an electrical connector of the computing device when mounted to the plate and an auxiliary port to receive an auxiliary component wherein the docking station electrically couples the computing device with the auxiliary component.

Abstract: An enhanced reality system includes, in an example, a processor, an enhanced reality display to present, via execution of the processor, a view of an enhanced reality environment to a first user, a display device to present to at least a second user, via execution of the processor, a stabilized tracked view of the enhanced reality environment presented to the first user wherein the view of the enhanced environment provided by the display device is provided using a camera.

Abstract: A method of deriving data of a user's body pose in an enhanced reality system includes, with at least one camera coupled to a body-mounted housing, capturing at least one image in three-dimensional (3D) space of at least one extremity of a body of a user on which the body-mounted housing is mounted, and with a processor executing a body pose module, deriving data of a user's body pose based on the at least one image captured by the camera.