Abstract: Embodiments of present disclosure relate to a method of adjusting robot path, a computing device, and a computer readable storage medium. The method comprises: obtaining a plurality of scanned contours of a tool held by a robot by scanning the tool at a plurality of positions using a laser sensor; determining, based on the plurality of scanned contours, the plurality of positions in an actual trajectory of the tool; determining the actual trajectory based on the plurality of positions; and adjusting the robot path based on a deviation between the actual trajectory and a theoretical trajectory of the tool. In this way, contour sampling data of the tool with high precision can be analyzed to correct the actual path data to fit the desired one, so as to improve the path accuracy.

Abstract: A display substrate includes: a base substrate (300), a circuit structure layer (400) and an electronic paper film (500) sequentially disposed on the base substrate (300). The circuit structure layer (400) includes: a plurality of first signal lines (21) extending along a first direction (X), a plurality of second signal lines (22) extending along a second direction (Y), a plurality of drive units, and at least one near field communication coil. The plurality of first signal lines (21) and the plurality of second signal lines (22) intersect to form a plurality of sub-pixel areas. The drive units are located in the sub-pixel area and electrically connected with the first signal lines (21) and the second signal lines (22), and are configured to control the display patterns of the electronic paper film corresponding to the sub-pixel areas.

Abstract: The present disclosure relates to apparatuses for display. An example display apparatus includes a picture generation unit, an imaging reflector, a detection unit, and at least one processor. The picture generation unit is configured to generate an image, and send image light of the image to the imaging reflector. The imaging reflector is configured to reflect the image light to generate a virtual image of the image. The detection unit is configured to collect first signal light transmitted through the imaging reflector, where the first signal light is light reflected by an eye of a user viewing the virtual image. The at least one processor is configured to determine a location of the eye of the user based on the first signal light collected by the detection unit, where a propagation direction of the image light reflected by the imaging reflector is parallel to a propagation direction of the first signal light.

Abstract: A rocker box for use on a rocker chair is provided. The rocker box includes a base plate; a rocker plate spaced from the base plate and pivotally coupled to the base plate at a pivot axis; a pair of springs extending between the base plate and the rocker plate, the springs being coupled on one end to the base plate and on the other end to the rocker plate; and a spacer extending between the springs and each of the base plate and the rocker plate, such that the first springs do not directly contact the surface of the base plate or the rocker plate.

Abstract: A method and an electronic device for calibrating a robot. The method includes obtaining at least two sets of positional data of a first reference point in a base coordinate system of the robot, the first reference point fixedly arranged on the external axis, the at least two sets of positional data corresponding to at least two positions of the first reference point during movement of the external axis. The method includes determining a transformation relationship between the base coordinate system and an user coordinate system of the external axis according to the at least two sets of positional data, determining the calibrated user coordinate system based on the base coordinate system and the transformation relationship, and controlling the robot to process an object arranged on the external axis under the calibrated user coordinate system.

Abstract: Provided are a method and an apparatus of detecting PEMFC (proton exchange membrane fuel cell) operating state. The method includes: arranging a fluxgate sensor on PEMFC cathode surface and at a position opposite to a measurement point on the cathode surface; when PEMFC is operating, continuously measuring a magnetic field variation of a magnetic field of the measurement point changing with time by using the fluxgate sensor; and determining PEMFC operating state according to a corresponding relationship between the magnetic field variation and PEMFC operating state.

Abstract: This application provides example multi-focal-plane image generation apparatuses, example head-up display apparatuses, example methods, and example devices. One example apparatus includes a pattern generation device and a focal length adjuster. The pattern generation device is configured to generate a light beam that carries image information, and irradiate the light beam to a surface of the focal length adjuster. The focal length adjuster is configured to perform focal length adjustment on the light beam that is irradiated to the surface of the focal length adjuster to generate a plurality of focal planes of the multi-focal-plane image generation apparatus.

Abstract: A display apparatus includes a picture generation unit, a transflective member, and a curved mirror. The picture generation unit is configured to generate imaging light including image information and project the imaging light to the transflective member, the transflective member is configured to reflect the imaging light to the curved mirror, the curved mirror is configured to reflect received imaging light to the transflective member, and the transflective member is further configured to transmit the imaging light reflected by the curved mirror.

Abstract: In an imaging method, an image source transmits N image source light beams to a light beam deflector in K periodicities, where N is a positive integer greater than or equal to 2, and K is a positive integer greater than or equal to 1. The light beam deflector deflects transmission directions of the N image source light beams to a plurality of viewing areas, where the N image source light beams transmitted to the plurality of viewing areas are respectively imaged in a plurality of display areas.

Abstract: A apparatus includes a picture generation unit, an enlarging and display unit, and a touch control unit. The picture generation unit is configured to generate a source image. The enlarging and display unit is configured to enlarge the source image generated by the picture generation unit. In addition, the picture generation unit is further configured to generate and project a touchscreen. The touch control unit is configured to detect and respond to a touch operation performed by a user on the touchscreen.

Abstract: In an imaging method, an image source transmits N image source light beams to a light beam deflector in K periodicities, where N is a positive integer greater than or equal to 2, and K is a positive integer greater than or equal to 1. The light beam deflector deflects transmission directions of the N image source light beams to a plurality of viewing areas, where the N image source light beams transmitted to the plurality of viewing areas are respectively imaged in a plurality of display areas.

Abstract: Machine learning is a process that learns a neural network model from a given dataset, where the model can then be used to make a prediction about new data. In order to reduce the size, computation, and latency of a neural network model, a compression technique can be employed which includes model sparsification. To avoid the negative consequences of pruning a fully pretrained neural network model and on the other hand of training a sparse model in the first place without any recovery option, the present disclosure provides a dynamic neural network model sparsification process which allows for recovery of previously pruned parts to improve the quality of the sparse neural network model.

Abstract: Embodiments of the present application provide a method for controlling voltages of a liquid crystal on silicon (LCoS) two-dimensional array which includes a plurality of pixel sets, and the plurality of pixel sets include a first pixel set and a second pixel set. The method includes: determining a plurality of bit sequences, where the plurality of bit sequences include a first bit sequence and a second bit sequence; controlling a voltage of the first pixel set by using the first bit sequence; and controlling a voltage of the second pixel set by using the second bit sequence, where the first pixel set and the second pixel set are in different phase cycles in a port direction of the LCoS two-dimensional array, the first pixel set and the second pixel set have a same phase, and duty ratios of the first bit sequence and the second bit sequence are the same.

Abstract: An apparatus, a system and a method for tuning a robot path for processing a workpiece. The method includes overlapping a visual representation of the robot path on a visual presentation of the workpiece. The visual presentation of the robot path includes at least one virtual point that corresponds to at least one controlling point in the robot path. The method further includes in response to receiving a user input for moving a virtual point in the at least one virtual point relative to the visual presentation of the workpiece, detecting an updated position of the virtual point caused by the user input; and tuning the robot path based on the updated position of the virtual point.

Abstract: Embodiments of present disclosure relate to adjusting a robot motion path. In the method for adjusting a robot motion path, a first processing procedure may be performed on a first workpiece to obtain a first product. Then, first process data may be obtained, where the first process data describes an attribute of the first processing procedure for obtaining the first product from the first workpiece. Next, based on the obtained first process data, a robot motion path of a second processing procedure that is to be performed on the first product by a robot may be adjusted. Further, embodiments of present disclosure provide apparatuses, systems, and computer readable media for adjusting a robot motion path.

Abstract: A display system is provided. The display system includes a picture generation unit, a diffuser screen, and a curved mirror. The picture generation unit is configured to generate a real image and perform imaging on the diffuser screen. The diffuser screen is configured to perform diffuse reflection on the real image. The curved mirror is configured to perform imaging based on the real image obtained through diffuse reflection, to generate a magnified virtual image.

Abstract: A spring mechanism for a rocker assembly is disclosed, the spring mechanism being connected to a rocker mechanism of the rocker assembly to assist a rocker member of the rocker mechanism in returning from a rocking position to a rest position, wherein the spring mechanism comprises two mounting plates opposed at a spacing and two springs connected between the two mounting plates, each of the mounting plates being provided with holding structures for holding each of the springs in place on the mounting plate, wherein a spacer is provided between each mounting plate and each spring to avoid the mounting plate from contacting at least one turn of the spring.

Abstract: This application provides example multi-focal-plane image generation apparatuses, example head-up display apparatuses, example methods, and example devices. One example apparatus includes a pattern generation device and a focal length adjuster. The pattern generation device is configured to generate a light beam that carries image information, and irradiate the light beam to a surface of the focal length adjuster. The focal length adjuster is configured to perform focal length adjustment on the light beam that is irradiated to the surface of the focal length adjuster to generate a plurality of focal planes of the multi-focal-plane image generation apparatus.

Abstract: A multi-focal picture generation apparatus, a head-up display apparatus, a related method, and a device are provided. The multi-focal picture generation apparatus includes a picture generation unit, an optical splitter, and a focal length adjuster. The picture generation unit is configured to generate a first focal plane of the multi-focal picture generation apparatus. The optical splitter is configured to: perform optical splitting on the picture generation unit, and irradiate a light beam obtained through optical splitting onto a surface of the focal length adjuster. The focal length adjuster is configured to perform focal length adjustment on the light beam irradiated onto the surface of the focal length adjuster, to generate a second focal plane of the multi-focal picture generation apparatus.

Abstract: Apparatuses, systems, and techniques are presented to simplify neural networks. In at least one embodiment, one or more portions of one or more neural networks are cause to be removed based, at least in part, on one or more performance metrics of the one or more neural networks.