305 results about "Motion sickness" patented technology

Methods and systems are provided herein for reducing or eliminating motion sickness in users of devices, such as mobile devices, in a variety of environments, including methods and systems for sensing motion in the user's environment and providing feedback that encourages a user to orient in a motion-reducing manner.

Methods, systems, and computer programs are presented for managing motion sickness of a user while the user is wearing a head-mounted device (HMD). One method includes an operation for monitoring the physical characteristics of the user while wearing the HMD that is presenting a virtual reality with multimedia content, where the physical characteristics including motions of the user. The multimedia content includes audio and video for presentation on a display of the HMD. Additionally, the method includes an operation for determining if the user is experiencing motion sickness based on the monitoring of the physical characteristics of the user while the virtual reality is being presented. When the user is experiencing motion sickness, supplemental sound is delivered to the user, where the supplemental sound is combined with sound from the multimedia content for delivery to the user, and the supplemental sound is defined to decrease the motion sickness experienced by the user.

Methods and apparatus are disclosed for treating motion sickness. In a preferred embodiment a method of the invention comprises operating eyewear having shutter lenses to open said shutter lenses at a selected operating frequency ranging from within about 3 Hz to about 50 Hz. The shutter lenses are opened for a short duration at the selected operating frequency wherein the duration is selected to prevent retinal slip. The shutter lenses may be operated at a relatively slow frequency of about 4 Hz when the user is in passive activity such as riding in a boat or car or in limited motion situations in a spacecraft. The shutter lenses may be operated at faster frequencies related to motion of the user's head when the user is active.

A method to determine the propensity of an image-sequence to induce motion sickness in a viewer includes using a processor to analyze the image-sequence information to extract salient static and dynamic visual features in the image sequence information, evaluating distribution of the salient static and dynamic features in the saliency map to estimate a probability of the image sequence causing the viewer to make eye and head movements and, using the estimated probability to determine the propensity that the image-sequence would induce motion sickness in a user as a consequence of the eye and head movements.

An improved System and Method to provide a human user with symbology to ameliorate, prevent or shorten the duration of disorientation or motion sickness effects caused by spatial disorientation.

A system, method and apparatus for preventing motion sickness from afflicting a passenger in a moving vehicle which includes a means for capturing and substantially simultaneously displaying video images collected from a frontal view to a passenger having an obstructed view of the environment in front of the moving vehicle. The system, method and apparatus includes cropping / zooming the video images displayed to the passenger in order to create a view for the passenger in order to prevent motion sickness from afflicting the passenger.

Operating a switchable head-mounted display apparatus includes: providing a head-mounted display that includes a switchable viewing area that switches between a transparent state and an information display state; operating the head-mounted display in the information viewing state to display image-sequence information; analyzing the image-sequence information to produce a signal estimating the propensity of the image-sequence information to induce motion sickness or symptoms of motion sickness in the user; and modifying the image-sequence information or the state of at least a portion of the switchable viewing area in response to the signal to reduce the propensity of the image-sequence information to induce motion sickness or symptoms of motion sickness in the user.

A virtual reality ride system including a headset, a control unit, and a dynamic platform. The headset includes a display unit configured to display a video of an animated virtual environment. The control unit includes one or more processors configured to perform render processing that renders the video of the virtual environment; event motion processing that generates first data representing motions associated with events in the virtual environment; and low-frequency motion processing that generates second data representing low-frequency vibrations unrelated to the events in the virtual environment. The dynamic platform is configured to produce the motions associated with the events in the virtual environment based on the first data, and to produce the low-frequency vibrations based on the second data. The low-frequency vibrations include a frequency between about 5 Hz and 70 Hz.

A motion-coupled visual environment prevents, reduces and / or treats motion sickness by sensing inertial motion and providing a corresponding evocative image for a subject to view. Inertial sensors may include accelerometers, gyroscopes or a variety of other different sensor types. A cross-coupling algorithm may be used to cross couple different sensed inertial motions. A variety of mapping schemes may be used to map sensed inertial motion to corresponding motion within the evocative scene displayed on the display. Applications include reducing motion sickness on passenger vehicles such as airplanes, trains and cars; on military vehicles such as ships, airplanes, helicopters and the like; and reducing “cybersickness” in the context of simulations on moving platforms.

Systems for suppressing motion sickness are provided. In this regard, an exemplary system comprises a display device and a display controller. The display device is operative to display a first image and a second image. The display controller communicates with the display device and is operative to control display of the second image such that the second image moves relative to the display device in response to at least one of: motion of the first image relative to the display device, and motion of the display device. Methods and other systems also are provided.

A head-mounted display apparatus with a reduced propensity for causing motion sickness symptoms includes a see-through head-mounted display including an image source, which permits at least a partial view of a scene outside the head-mounted display within the user's line of sight along with image-sequence information or digital image(s) provided by the image source; a processor for analyzing the image-sequence information or digital image(s) to produce a motion sickness propensity signal estimating the propensity of the image-sequence information to induce motion sickness symptoms in a user; and a physical-signal device including one or more transducers that apply sensory stimuli to the user in response to the motion sickness propensity signal to reduce the propensity of the image-sequence information to induce motion sickness symptoms in the user as the user views the image-sequence information or digital image(s) or the at least a partial view of a scene.

A motion sickness reduction device includes an image capture device for capturing an image device environment and an image display device for displaying image related to the captured image. In order to effectively prevent or reduce motion sickness, the right amount of motion must be displayed on the image display device when the vehicle accelerates or turns. Various methods are disclosed for adjusting the image on the display device and / or the angle of the environment subtended to make the motion sickness reduction device effective.

Gaze tracking data is analyzed to determine one or more regions of interest within an image of a video stream. The video stream data is selectively scaled so that sections within the regions of interest maintain high resolution while areas not within the region of interest are down-scaled to reduce bandwidth cost of transmission. A scheme for reduction of motion sickness by reducing the size of the high resolution area is also claimed.

Methods, apparatuses and systems for enabling a passenger in a moving vehicle to read text or view an image while avoiding or reducing the symptoms of motion sickness, by providing the passenger a view of the text or image simultaneously with a view of external stationary reference points. The methods, apparatuses, and systems, in some embodiments, include the use of a transparent medium which can display text or images. Other embodiments include a video camera capturing video images and substantially simultaneously displaying such images together with text or images on a means of display.

A motion sickness countermeasure system for a user within a vehicle having a light array system configured to output visual stimuli presented in a field of view of the user; and a controller outputting a control signal to the light array system to activate the light array system in such a way as to mimic the visual input one would receive if one were to look outside the vehicle.

Systems and methods are provided for mitigating motion sickness. When motion sickness is predicted, the motion sickness mitigation system alters vehicle performance, cabin conditions, and / or alerts the occupant to upcoming vehicle actions, to avoid or alleviate motion sickness. A controller includes a processor that receives an occupant profile and traffic information for an upcoming trip of the vehicle on a route. Using the occupant profile and the traffic information, the processor calculates whether the occupant will experience motion sickness when the vehicle travels on the route. A vehicle performance signal correlated to the calculation, is delivered by the processor to initiate motion sickness mitigation. The vehicle performance signal varies operation of a steering actuator, an acceleration actuator, and / or a brake actuator to implement the motion sickness mitigation.

Methods and systems for presenting images to vehicle occupants are disclosed. A system in accordance with one embodiment of the invention includes at least one display portion configured to display an image and be positioned proximate to a seat location within the vehicle. A first signal receiving portion can be configured to receive an input image signal, and a second signal receiving portion can be configured to receive a motion signal corresponding to a motion of the vehicle. A processing portion can be configured to direct to the at least one display portion a time-varying output signal that appears to move by less than an object actually positioned external to the vehicle would appear to move to an occupant at the seat location of the vehicle. Accordingly, the viewer may be less susceptible to motion sickness by receiving visual cues that correspond to less motion than the occupant feels.

The invention is the compounds2-(3,5-bis-trifluoromethyl-phenyl)-N-[6-(1,1-dioxo-1λ6-thiomorpholin-4-yl)-4-o-tolyl-pyridin-3-yl]-N-methyl-isobutyramide and2-(3,5-bis-trifluoromethyl-phenyl)-N-[6-(1,1-dioxo-1λ6-thiomorpholin-4-yl)-4-(4-fluoro-2-methyl-phenyl)-pyridin-3-yl]-N-methyl-isobutyramide.Compounds of the invention are useful in pharmaceutical compositions for the treatment of migraine, rheumatoid arthritis, asthma, bronchial hyperreactivity, inflammatory bowel disease or for the treatment of disorders including Parkinson's disease, anxiety, depression, pain, headache, Alzheimer's disease, multiple sclerosis, edema, allergic rhinitis, Crohn's disease, ocular injury, ocular inflammatory diseases, psychosis, motion sickness, induced vomiting, emesis, urinary incontinence, psychoimmunologic or psychosomatic disorders, cancer, withdrawal symptoms of addictive drugs from opiates or nicotine, traumatic brain injury or benign prostatic hyperplasia.

A chair is stabilized in two orthogonal axis, pitch and roll, can hold a person stable in relation to the horizon. This solution to motion sickness is effective because the fluid in the inner ear no longer moves in relationship to the vehicle motion upon which the person is located. Therefore a main cause of motion sickness is substantially reduced or eliminated. Additionally, the invention can be a table, a bed, or even an entire room that is isolated from the rolling, pitching and jolting imparted by the host vehicle. Additionally, some applications such as a chair and table, may be stabilized in a third orthogonal axis, azimuth.

The invention provides a device for inducing a human body sensory conflict, which comprises a reversal vision device, a vestibule electric stimulation device and a proprioception stimulation device, wherein the reversal vision device is used for reversing visual signals received by a human eye up and down or left and right; the vestibule electric stimulation device is used for changing input signals of a semicircular canal and an aural calculus of a vestibular organ of a human body; and the proprioception stimulation device is used for changing sensory signals of a proprioceptor to somatic movements in neck muscles and muscle tendons of the human body. The device for inducing the human body sensory conflict can effectively induce the human body to generate the sensory conflict by using the reversal vision device, the vestibule electric stimulation device and the proprioception stimulation device singly or together, can be used for performing test analysis on functions of body balance and hand operation control during the sensory conflict, and can be further used for related trainings of the human body under the condition with the sensory conflict; besides, the device finds an optimal training mode by comparing different training methods to improve the endurance capacity of the human body to the sensory conflict and reduce the occurrence probability of motion sicknesses.

The compositions of the present invention comprise a therapeutically effective amount of particles consisting of diphenhydramine or pharmaceutically acceptable salts thereof, optionally in combination with another drug such as pseudoephedrine, or phenylephrine and hydrocodone, in combination with rapidly-dispersing microgranules comprising a disintegrant and a sugar alcohol and / or a saccharide. These compositions are useful in treating the symptoms of one or more diseases or conditions in which diphenhydramine (alone or in combination with one or two other drugs) is a therapeutically effective, e.g. allergic rhinitis, sinusitis, upper respiratory tract infections, motion sickness, Parkinson's disease, insomnia, the common cold, and nighttime pain management, particularly for subjects or patients with dysphagia, and people ‘on the move’.

The invention discloses an adjustment method of a virtual-reality interactive image. The method comprises the steps that an image motion sickness score input by a user when virtual-reality interaction is conducted is collected; the image motion sickness score characterizes the motion sickness degree of the user to the interactive image when the virtual-reality interaction is conducted; dynamic adjustment is conducted on effect parameters of the interactive image according to the collected image motion sickness score, so that the rendering effect of the interactive image is adjusted to alleviate the motion sickness symptom of the user to the interactive image, wherein the effect parameters are the parameters which influence the rendering effect of the interactive image and the motion sickness degree of the user to the interactive image. By means of the adjustment method of the virtual-reality interactive image, when virtual-reality interaction of the same scene is conducted, dynamic adjustment can be conducted on the effect parameters of the interactive image through image motion sickness scores fed back by different crowds, therefore, differential adjustment can be conducted on motion sickness responses of different crowds to the interactive image, and the virtual-reality interactive experience of the user can be promoted.

A variable disparity three-dimensional (3D) display system and method of processing a variable disparity three-dimensional (3D) image shown on a display to reduce motion sickness of a person viewing the display. The system includes a motion detector configured to determine a motion value that characterizes motion of a display, and an image processor configured to adjust incrementally a disparity amount of a 3D image shown by the display based on the motion value in order to reduce motion sickness of a person viewing the display. The method includes determining a motion value that characterizes motion of a display, and adjusting a disparity amount of a 3D image shown by the display incrementally based on the motion value in order to reduce motion sickness of a person viewing the display.

The invention discloses a method and device for preventing the dizziness of a user in virtual reality application. The method comprises the following steps: setting a standard distance from a lens to a role controlled by the user in the virtual reality application as well as the position of the lens; and controlling the role controlled by the user in the virtual reality application to move in the ranges of the standard distance and the position. According to the method, the following movement of the lens occurs instantly, the user cannot sense a displacement feel caused by virtual reality contents, and the cognition and the perception can not conflict at all, so that the virtual reality motion sickness can be completely avoided; the use conditions of the instant movement of the lens include, but not limited to, the distance and the position, are wide in application range, do not need to be supported by any additional hardware equipment and only need to be realized from a software view, so that the realization cost is low; and the user only needs to normally use virtual reality equipment without additional use conditions, such as the space range and specific hardware equipment.