48 results about "Space perception" patented technology

An apparatus for detecting abnormalities in spatial perception that consists of a first transparent screen in a close-vision field and a second screen seen through the first one and located in a far-vision field of a person being tested. The apparatus is provided with devices for forming images selectively on the first or second screen and with a device for tracking trajectories of the eye pupils while following the images. The method is based on detecting specific irregularities in trajectories of the eye pupils, such as nystagmuses, cut-offs, sudden drops of the gaze, etc., when a person follows the smooth trajectory of a moving image on a selected screen, or when the size and position of the eye pupil change with certain irregularity in response to instantaneous switching of images between the screens without changing the position of the person's head.

This invention described a Spatial Recognition Device (SRD) based on a mounted high precision measurement sensor that enables the user to detect and navigate around objects and obstacles like traditional white cane would, but without contact, and also allow the user to identify the location and shape of objects to enable identifying such obstacles and objects. The device can also provide route guidance through a GPS and collision avoidance through onboard and/or cloud based or hybrid computational systems, accelerometers and other sensors. The device enables sensing ranges from approximately one inch to a maximum range dependent on the high precision measurement sensor used in the device. This device would not be mounted on a “white cane” or similar assistive device.

Disclosed are an apparatus and a method for separating sound sources capable of learning distributions of corresponding sound sources based on the assumption that specific sound sources have specific distributions based on interchannel correlation parameter in audio signals providing space perception through a plurality of channels to separate an amount corresponding to energy contribution of the corresponding sound sources from mixture signals. Exemplary embodiments of the present invention can more precisely predict the channel distributions of the specific sound sources included in the input mixture signals and more accurately separate sound sources than a method for separating a sound source based on the channel according to the related art, under conditions that general channel distribution information of the specific sound sources are approximately modeled.

Rendering audio for applications implemented in an MR or AR system, in a 3D environment. A method includes determining a location of a user device in the 3D environment. The method further includes accessing a set of spatial mapping data to obtain spatial mapping data for the determined location. The spatial mapping data includes spatial mapping of free-space points in the 3D environment. Data for each free-space point includes data related to audio characteristics at that free-space point. The spatial mapping data is based on data provided by users in the 3D environment. The method further includes applying the spatial mapping data for the determined location to one or more acoustic simulation filters. The method further includes using the one or more acoustic simulation filters with the spatial mapping data applied, rendering audio output for one or more applications implemented in the MR or AR system to a user.

The embodiment of the invention provides a video frame processing method and device, a computer readable medium and electronic equipment. The video frame processing method comprises the steps of calculating initial time perception information and/or initial space perception information of each video frame in a to-be-processed video; obtaining initial time perception information and/or initial space perception information of a predetermined number of video frames in front of each video frame in the to-be-processed video; determining final time perception information of each video frame according to the initial time perception information of each video frame and the initial time perception information of the predetermined number of video frames; and/or determining final spatial perception information of each video frame according to the initial spatial perception information of each video frame and the initial spatial perception information of the predetermined number of video frames. According to the technical scheme provided by the embodiment of the invention, the kinematicity between the video frames can be considered, so that the TI and/or SI of the obtained video frames can be ensured to accord with objective description.

The invention relates to an amblyopia vision increase treatment method and the system, which combines the modern visual physiology research results on the basis of the traditional after-image vision increase therapy, the invention can allow patients to organically integrate the direct stimulation of a characteristic light source on the vision and the indirect stimulation of the sound signal on the visual cortex by the eyes-hands-brain cortex combined space perception and the central vision fixation training actions on the light, sound, electric and data controlled technical lever, so as to strengthen the synchronous activities of the input cortex cells of the amblyopia eye, further to relieve the suppression of the vision on the brain cortex level, promote vision development and finally realize the effective treatment of amblyopia. The clinical observations of 2 years show that the improved after-image vision increase therapy is an amblyopia treatment method which is safe, reliable and good in efficacy, and the invention especially has the treatment effect which is significantly better than other methods for the non-center watch type and other refractory amblyopia. The system can not only greatly improve efficacy, but also improve the working conditions of the medical staff and enhance working efficiency.

Disclosed herein is a magnetic toy block having various shapes that allow preschool toddlers and children to play and build different shapes of structures similar to Legos, and improve their creativity, space perception and understanding of different geometric shapes. The magnetic block toy includes a plurality of cylindrical protective members (100), wherein each of the plurality of cylindrical protective members (100) include a first insertion hole defined in an upper portion and a second insertion hole defined in a lower portion(111,112), wherein each of the first and second insertion holes (111,112) are configured to receive and hold a magnet (10). Reinforcing members (110) arranged between each of the plurality of cylindrical protective members (100), wherein the reinforcing members (110) are configured to connect , support and reinforce the plurality of the cylindrical protective members (100) at front, back and two sides; and wherein the plurality of cylindrical protective members (100) including a magnet installed in each of the first and second insertion holes (111,112) are arranged in two parallel rows; wherein a magnetic block is formed by placing the plurality of the cylindrical protective members (100) connected with the reinforcing members (110) in a frame and filling the frame with a resin, such that a surface of each of the magnets (10) installed in the insertion holes (111,112) is exposed.

The invention relates a flow line illumination method, in particular to a three-dimensional flow line illumination method for enhancing spatial awareness, and belongs to the technical field of three-dimensional flow field visualization effect enhancement. According to the three-dimensional flow line illumination method for enhancing spatial awareness, a three-dimensional flow line is regarded as the sample of a three-dimensional flow surface, a flow line illumination effect which is calculated through a microflow surface relaying on a viewpoint is structured; a structure method of the microflow surface on a flow line sampling point and a computing method of the microflow surface normal vector are provided; the illumination effect of the flow line is calculated according to obtained microflow surface normal vector and a general surface reflection illumination model. By means of the three-dimensional flow line illumination method for enhancing spatial awareness, the bidirectional shadow problem existing in a maximum reflected light model is solved, the spatial confusion problem existing in a cylinder average model is solved, the illumination effect of the three-dimensional flow line is improved, the spatial awareness of a three-dimensional flow line pattern is enhanced, the spatial structure of the three-dimensional flow line can be shown well, and the visualization effect based on the three-dimensional flow field can be enhanced.

The invention discloses a stereo Braille drawing printing method, which includes steps: firstly, drawing; secondly, tracing; thirdly; making a pattern; fourthly, printing; fifthly, cutting and binding; and coloring. The creatively developed stereo Braille drawing printing method can better solve the problem that blind people cannot perceive sceneries, figures and the like which can be seen by common people due to congenital or acquired factors, but by feeling about Braille drawings with hands, the blind people can have space perception of some sceneries, figures and the like in terms of size, distance and shape to feel aesthetics of sceneries and figures besides Braille.

The invention provides a control method for augmented reality navigation display of HUD, and is used for augmented reality navigation control for automatic driving systems. The control method comprises the following steps of a, processing map intersection data to identify route indication information in the map intersection data; b, converting the route indication information into a three-dimensional stereo image; and c, projecting the three-dimensional stereo image onto the HUD equipment. In the control method provided by the invention, the display content completely conforms to the realisticroad shape, the driving trajectory and the steering path of the driver and the physical actions of both the driver and the vehicle; a stereoscopic vision technology is adopted in the display mode such that the image exhibits a near-large and far-small depth change to simulate human eyes and the triangular positioning of the target object to perceive the depth, so as to realize the augmented reality AR display effect; the vehicle pose and position are sensed by various sensors, and a virtual image is constructed in real time to conform to the actual action of the driver, thereby realizing thespatial sensing effect in the augmented reality AR. The method provided by the invention has powerful functions, strong practicability and extremely high commercial value.

The invention discloses a method and a device for determining a perception amount of an image and a method and a device for encoding the image, which are used for solving the problems of the prior art that the color perception amount and the space perception amount of the image cannot be accurately determined and the quality of transmitting the image is reduced. The method for determining the perception amount of the image comprises the following steps of determining each color difference component of a pixel point aiming at each pixel point in the image and determining a color flatness amount of the image on each color difference component and a color variable quantity; and further determining the color perception amount of the image on each color difference component and determining the color perception amount of the image. The color difference component of each pixel point is determined according to a color pixel value of each pixel point of the image in the embodiment and the color flatness amount and the color variable quantity of the image are further determined; and the color perception amount of the image is determined according to the color flatness amount and the color variable quantity, so that the color perception amount of the image can be accurately determined.

The invention provides a passive space perception interaction method of entities in campaign simulation based on discrete events. A space perception interaction model is arranged, wherein the model includes a space grid list, a campaign entity list and a sensor list. A space perception interaction manager is used for providing a function calling interface for a campaign entity model and sensor components. When the situation that the campaign entities enter or leave the space grid is discovered, a space perception interaction event is transmitted so that the corresponding campaign entities in the sensor list are enabled to receive the space perception interaction event and then detect the campaign entities entering or leaving the space grid. The simulation propulsion mechanism based on thediscrete events is adopted, and the time step of simulation propulsion is not a constant and is determined by the occurrence time of the event so that the computation burden can be reduced and the simulation efficiency can be enhanced. The space perception interaction manager is embedded in the simulation engine in the form of a component so that the expandability of the simulation system and thereusability of the simulation model can be enhanced and the simulation model development efficiency can be enhanced.

The invention provides a space display method and device, electronic equipment and a storage medium. The method comprises the steps of receiving a space display request for a target object, wherein the space display request carries an object identifier of the target object; acquiring spatial data of the target object according to the object identifier, the spatial data including display data and environmental audio data of a virtual three-dimensional space of the target object, and the environmental audio data including at least one audio data file; generating a space display interface of thetarget object according to the display data, wherein audio indication controls used for triggering playing of the environment audio data are displayed in the space display interface, and each audio indication control corresponds to at least one audio data file; and receiving an audition instruction triggered by the audio indication control, and playing an audio data file corresponding to the currently triggered audio indication control based on the space display interface. Therefore, the beneficial effects of increasing the perception of the environment audio while displaying the space, and improving the trueness and comprehensiveness of the space perception are achieved.

A method of providing a 3D information service at a user terminal includes: receiving a first request of a user for displaying information; and displaying information elements, which have different depths along the Z axis orthogonal to a screen (XY plane), by rotating the information elements about any one of the X axis and the Y axis, where the rotational axis of each of the information elements is set at different points on the YZ plane or the XZ plane. According to certain embodiments of the invention, the information elements on a screen may be shown as planar elements in a still screen for greater legibility, but when the information elements are in motion, such as for changing the screen or moving a content element, the motion is provided with differing speeds according to depth, thereby providing a sense of spatial perception unique to 3-dimensional images.

The invention provides an interactive brain fiber selection and visualization method. The method comprises the steps that 1) brain fiber data are acquired; 2) the direction vector of each fiber is calculated; 3) the directionality of each fiber is calculated or the distribution matrix of fibers is calculated to acquire a determination condition; and 4) the determination condition is used to screen fibers to acquire a local fiber map with better space perception.

The invention discloses a spatial semantic similarity calculation method based on sliding window sampling. The method comprises the following steps: preprocessing corpus data containing spatial information, performing projection processing on coordinates in the preprocessed corpus data by adopting a preset equal-area projection method to obtain an actual space range, determining a context window,performing sliding sampling, and finally performing similarity calculation on every two words in a word set of the whole corpus. According to the method, a model capable of measuring the spatial semantic similarity of the words is constructed by mining the spatial semantic similarity relationship between the words. The method is superior to a traditional text similarity model and a geographic space similarity model in the aspect of comprehensively considering spatial correlation and text correlation. As a new angle of understanding human natural language by integrating human spatial thinking and spatial perception, a traditional natural semantic similarity model is effectively supplemented, and the accuracy of an intelligent geographic information retrieval and recommendation system is effectively improved.

The invention discloses a method for measuring spatial perception information content in a sound field and application thereof. The method uses spatial perception entropy (SPE) to represent the size of spatial information content which can be perceived in multi-channel audio signals, namely, the size of the spatial perception information content received by human ears in expressing double-ear audition. The SPE using a double-ear audition model as the basis represents the size of the spatial information content which can be perceived in the multi-channel audio signals, is the lower limit of a spatial audio code rate, and solves the problem that the perception entropy calculated by using a single-ear audition model as the basis cannot measure the spatial perception information content in the sound field.

The invention discloses a method and device for evaluating the spatial perception ability of a driver, and the method and device enable the driver to quickly improve the spatial perception ability according to the evaluation of the spatial perception ability, and enable the driver to form a good driving habit. The method comprises the steps of collecting driving environment information of a driverin real time, wherein the driving environment information is real-time environment state information when the driver drives; acquiring operation behaviors of a driver in real time; comparing the driving environment information collected in real time with the operation behavior; and obtaining the spatial perception ability evaluation of the driver.

The embodiment of the invention provides a control method based on artificial retina space perception. The control method comprises the steps of acquiring an original image collected by a camera paired with an artificial retina; inputting the original image into a space structure generation model for processing to obtain a binarized space structure image corresponding to the original image; receiving a request sent by a user using the artificial retina, the request carrying a viewing demand of the user, and the request being used for indicating to send a target image matched with the requestof the user; Performing image processing on the binary space structure image to obtain a target image matched with the request of the user; and sending the target image to the artificial retina so asto indicate the artificial retina to display. By the adoption of the scheme, the problems that an existing artificial retina is low in effective pixel and difficult to express a complex scene are effectively solved, the intelligent level of the artificial retina is improved, and the action ability of an unknown patient is enhanced.

A method and device for locating an emitting source of which measurements of emission propagation at locations different from that of the emitting source can be obtained from those locations, lacking space perception, using a sensor mobile along a self-generated path. After having obtained an emission propagation measurement from the mobile sensor at the mobile sensor location, a free energy variation for moving the sensor from its current location to each of plural possible next locations of the mobile sensor is computed, the free energy being computed as a function of a standardized projected probability field of the location of the diffusing source based on previous emission propagation measurements obtained along the self-generated path. A minimum free energy variation value amongst the computed free energy variations is determined and the location associated with the determined minimum free energy variation is identified as being the next location of the sensor.