Abstract: The disclosed embodiments are directed to a mobility services platform for self-healing mobility clients. In an embodiment, a method comprises: obtaining, by one or more server computers, diagnostic data from a plurality of mobility clients; applying, by the one or more server computers, machine learning to the diagnostic data; identifying, by the one or more server computers, outlier data resulting from the machine learning; identifying, by the one or more server computers and from the outlier data, a new error class; determining, by the one or more server computers, an impact of the error class (e.g., short-term, medium-term, long-term impact) on the plurality of mobility clients; and generating, by the one or more server computers and based on the determined impact, an update for the plurality of mobility clients.

Abstract: The invention relates to the technical field of Multifocal Plane Display (MFD) devices for displaying 3D images. In particular, the invention proposes a device for displaying a 3D image, wherein the 3D image is generated based on a 2D image and a depth map. The device includes a light source, a diffuser and a controller. The light source is configured to emit light beams, each light beam corresponding to a pixel of a 2D image. The diffuser is configured to diffuse the light beams, wherein the diffuser includes a plurality of diffuser elements distributed across a 3D volume, and each diffuser element is individually controllable to be transmissive or diffusive. The controller is configured to control each diffuser element to be transmissive or diffusive based on a depth map.

Abstract: An optical waveguide includes an input diffractive optical element arranged for being aligned with an optical projector for diffracting light beams therefrom, a waveguide substrate n, and an output diffractive optical element. Light beams diffracted by the output diffractive optical element are coupled out of the waveguide substrate towards users' eyes. The output diffractive optical element has an effective area arranged to maintain a constant output flux per unit area therein for providing an uniform image in brightness when the image is being projected out of the waveguide substrate.

Abstract: A lifting platform with a sliding keyboard holder is disclosured. The lifting platform has a table plate, a base and a supporting leg connected with the table plate and the base, and a keyboard holder connected to the table plate. And the keyboard holder is slidably connected to the table plate in the vertical direction and is locked by a locking device. The keyboard holder can slide in the vertical direction to the position below the working table surface where the lifting platform is placed. With the above structure, the keyboard holder can be locked at any height at any time to meet the ergonomic requirements of different users, and the operation is simple, convenient and flexible.

Abstract: The present disclosure discloses a display workstation used on a desktop, comprising an extension module for connection with a power module in the display workstation, and on the peripheral edge of the display workstation, there provides a detachable connection structure by which the extension module can be placed at different positions of the peripheral edge, as a sliding chute comprised by two guide rails is disposed along the edge of the display workstation and the bends of the sliding chute are in arc transition; the extension module is inserted on the guide rails on the outer side and can be connected to power source while sliding with the guide rails along the sliding chute to the required position.

Abstract: An optical waveguide includes an input diffractive optical element arranged for being aligned with an optical projector for diffracting light beams therefrom, a waveguide substrate, and an output diffractive optical element. Light diffracted by the output diffractive optical element is projected out of the waveguide substrate towards users' eyes. The output diffractive optical element has an effective area arranged to maintain a constant output flux per unit area therein for providing an uniform brightness of the light when the light is being projected out of the waveguide substrate.

Abstract: The present disclosure discloses a desk-mounted lifting platform comprising a workbench, an upper support and a low support. The workbench is connected to the upper support. A first lifting arm and a second lifting arm are arranged between the upper support and the lower support. The first lifting arm and the second lifting arm are X-shaped and hinged at an intersection thereof. An upper end of the first lifting arm is hinged with the upper support. A lower end of the first lifting arm is slidably fitted on the lower support. A lower end of the second lifting arm is hinged with the lower support. An upper end of the second lifting arm is slidably fitted on the upper support. A gas spring is arranged between the upper support and the lower support. The gas spring is used for providing a lifting force to lift the upper support.

Abstract: A terminal with a line-of-sight tracking function is disclosed. The terminal with a line-of-sight tracking function includes a body, a camera, and at least two light emitting diodes. The camera and the at least two light emitting diodes are mounted on the body, so that the terminal can emit a ray by using the at least two light emitting diodes, to ensure that the emitted ray can be shined on an eye of the user when the user is at different angles. After the ray is reflected by the eye of the user, the terminal can collect the reflected ray by using the camera, obtain an eye image of the user, and track a line of sight of the user based on the eye image, thereby increasing a success rate of line-of-sight tracking.

Abstract: Flexible, multidimensional infrastructure scaling for cloud-based over-the-air (OTA) systems is disclosed.

Abstract: A transaction card is provided for communicating with a computing device. The transaction card may comprise a computer interface device, at least one memory, at least one processor, and a card reader module. The card reader module configured to receive, from the computing device through the computer interface device, a first data packet comprising a request associated with a transaction, the first data packet being compatible with an interface protocol. The card reader module may process the first data packet to generate a second data packet compatible with the payment authentication protocol; provide the second data packet to the processor; receive, from the processor, a third data packet comprising a response to the request; process the third data packet to generate a fourth data packet based on the response, the fourth data packet compatible with the interface protocol; and transmit, to the computer interface device, the fourth data packet.

Abstract: An image coding method and apparatus and an image decoding method and apparatus are provided by the present invention. The image coding method includes: implementing matching coding for pixels of an input video image to obtain one or more matching relationship parameters, herein the matching relationship parameters are parameters used in a process of constructing predicted values and/or reconstructed values of the pixels in the image; mapping the matching relationship parameters to obtain mapped values of the matching relationship parameters; and performing entropy coding on the mapped values of the matching relationship parameters. The present invention addresses the problem existing in the conventional art which is caused by the direct implementation of entropy coding for matching relationship parameters and achieves a good data compression effect through entropy coding.

Abstract: An elevation working platform includes a lower support and an upper support. At least one group of X-type elevation mechanisms is provided between the lower support and the upper support. The elevation working platform further includes an elastic element. A first end of the elastic element is connected between two end points of a first support rod or a second support rod. A second end of the elastic element is connected to the lower support or a second hinging seat capable of sliding relative to the lower support. Using the X-type elevation mechanisms, the front and back positions of the upper support do not change in an elevating process of the upper support, the structure is simple and practical, and the cost is relatively low.

Abstract: The present invention discloses a display stand has a mounting seat connected on a support structure, internally provided with an accommodating cavity and having a slot communicated with the accommodating cavity at the top in an open way, a supporting arm having an insertion end capable of being inserted into the accommodating cavity of the mounting seat from the slot of the mounting seat, and a locking mechanism disposed on the mounting seat or supporting arm, for locking or unlocking the insertion end of the supporting arm in the accommodating cavity. When the insertion end of the supporting arm is locked, the supporting arm is limited within the accommodating cavity of the mounting seat, and when the insertion end of the supporting arm is unlocked, the insertion end of the supporting arm may be taken out from the slot of the mounting seat.

Abstract: A planar optical waveguide based on two-dimensional grating includes an optical waveguide substrate which is a transparent plane-parallel plate, and a functional grating element which includes a two-dimensional grating having two grating directions with an angle of 60° in between. The two-dimensional grating is either protruded or recessed into the top surface of the optical waveguide substrate. The output image from a micro-projector can enter the optical waveguide and then gets projected to cover the entire area of the functional grating element, enabling a human eye to view the output image across a large eye-box.

Abstract: The invention provides a display device for head mounting, in particular a Maxwellian display device, with an enlarged eye-box. The display device includes a light source emitting light beams for forming an image, an optical system for guiding the light beams to a beam forming element. The beam forming element is configured to converge each of multiple sets of the light beams into a different point of convergence, for example on an exit pupil of the display device. Each point of convergence is a convergent viewing point for a user. The eye-box is thus enlarged.

Abstract: The present invention discloses a method and a server for allocating game resources, which belongs to the field of network technology. The method includes: receiving a game participation request including game subzone information sent by a user; when the user enters a game subzone identified by the game subzone information, assigning the user to a waiting queue corresponding to the user in the game subzone in accordance with a predetermined condition; and when the user is successfully assigned to the waiting queue, selecting participants to play in the same group with the user from waiting queues other than the waiting queue of the user, and allocating game resources for the user and the selected participants. The present technical solution can effectively reduce occurrence of the game participants' cheating.

Abstract: Setting interface element colors is disclosed including rendering an interface element, determining first color values, assigning a value to a color attribute of the interface element based on the first color values, and updating the interface element according to the assigned value.

Abstract: The present disclosure discloses a desk-mounted lifting platform comprising a workbench, an upper support and a low support. The workbench is connected to the upper support. A first lifting arm and a second lifting arm are arranged between the upper support and the lower support. The first lifting arm and the second lifting arm are X-shaped and hinged at an intersection thereof. An upper end of the first lifting arm is hinged with the upper support. A lower end of the first lifting arm is slidably fitted on the lower support. A lower end of the second lifting arm is hinged with the lower support. An upper end of the second lifting arm is slidably fitted on the upper support. A gas spring is arranged between the upper support and the lower support. The gas spring is used for providing a lifting force to lift the upper support.

Abstract: The present invention has a lifting table, comprising an upper platform, a lower platform, and at least one group of lifting component positioned between the upper and lower platforms and used for adjusting the height of the upper platform relative to the lower platform; the lifting table further comprises elastic elements and sliding components sliding fit on the upper or lower platform; the sliding components are connected with the elastic elements for sliding on the upper or lower platform under the effect of elastic forces from the elastic elements; each sliding component has a push part, the lifting component exerts an acting force to the push part so that the sliding component overcomes the elastic force of the elastic element to slide along the upper or lower platform, and is simple and labor-saving in operation and good in user experience.

Abstract: An image coding method and apparatus and an image decoding method and apparatus are provided by the present document. The image coding method includes: implementing matching coding for pixels of an input video image to obtain one or more matching relationship parameters, herein the matching relationship parameters are parameters used in a process of constructing predicted values and/or reconstructed values of the pixels in the image; mapping the matching relationship parameters to obtain mapped values of the matching relationship parameters; and performing entropy coding on the mapped values of the matching relationship parameters. The present document addresses the problem existing in the conventional art which is caused by the direct implementation of entropy coding for matching relationship parameters and achieves a good data compression effect through entropy coding.