Abstract: A common beam scanning retinal imaging system comprises: a light source module (1), an adaptive optics module (2), a beam scanning module (3), a small field-of-view relay module (5), a large field-of-view relay module (6), a sight beacon module (9), a pupil monitoring module (7), a detection module (8), a control module (10) and an output module (11). The system can perform real-time correction of human eye aberration by adaptive optics technology, and realize the confocal scanning imaging function in a large field of view and the adaptive optics high-resolution imaging function in a small field of view simultaneously by the common beam synchronous scanning configuration combined with the two relay optical path structures for both the small field of view and the large field of view. The system can not only observe disease lesions in a wide range on the retina by the large field-of-view imaging, but also observe fine structures of the lesions by the small field-of-view high-resolution imaging.

Abstract: A display substrate and a display device are provided. In the display substrate, each of the plurality of anode groups includes a first anode and a second anode, the first anode includes a first main body portion, a first connection portion, an extension portion and an anode compensation portion, an orthographic projection of the anode compensation portion on the base substrate covers one thin film transistor, the anode compensation portion has a first point at a side away from the second center line, and the first main body portion has a second point at the first side, the first anode and a connection line between the first point and the second point enclose a notch region, and an area of the notch region is greater than at least one of an area of the anode compensation portion and an area of the first connection portion.

Abstract: Disclosed is a preparation method of double-layer carbon-paper base paper with high uniformity and gradient pores, including adding carbon fibers to alkali lignin aqueous solution for treatment, controlling the alkali lignin aqueous solution to reach subcritical water conditions, and modifying the carbon fibers by sodium phenol reactive groups under the subcritical water conditions of the alkali lignin, for improving hydrophilic groups on a surface of the carbon fibers and a surface rough structure; further, modifying the carbon fibers to produce carbon nanotube clusters on the surface of the carbon fibers to obtain surface-thermally-modified carbon fibers, and adding the surface-thermally-modified carbon fibers to a dispersant for dispersion, stirring together with auxiliary materials to prepare a mixed slurry, and preparing the mixed slurry into the carbon-paper base paper by wet forming process.

Abstract: This application discloses an audio processing method and a terminal. The method may include: collecting, by a first terminal, an original speech of a first user, translating the original speech of the first user into a translated speech of the first user, receiving an original speech of a second user that is sent by a second terminal, and translating the original speech of the second user into a translated speech of the second user; sending at least one of the original speech of the first user, the translated speech of the first user, and the translated speech of the second user to the second terminal based on a first setting; and playing at least one of the original speech of the second user, the translated speech of the second user, and the translated speech of the first user based on a second setting.

Abstract: The present disclosure relates to a display substrate, a display panel and a display device. The display substrate includes: a base substrate including a display area and a peripheral area surrounding the display area; a common electrode located in the peripheral area and surrounding the display area; a panel crack detection line located in the peripheral area and surrounding the display area, wherein the panel crack detection line is located on one side of the common electrode away from the display area; and at least one electrostatic discharge circuit located in the peripheral area, wherein the at least one electrostatic discharge circuit includes at least one first thin film transistor including an active layer, a gate, a source and a drain, the source and the drain are electrically connected to the panel crack detection line, and the gate is electrically connected to the common electrode.

Abstract: A microelectromechanical systems (MEMS) accelerometer is provided, comprising a substrate disposed in a plane defined by a first axis and a second axis perpendicular to the first axis; a first proof mass and a second proof mass coupled to the substrate and configured to translate in opposite directions of each other along a third axis perpendicular to the first and second axes; and at least one lever coupling the first proof mass to the second proof mass, wherein, the MEMS accelerometer is configured to detect acceleration along the third axis via detection of translation of the first and second proof masses along the third axis; and the MEMS accelerometer exhibits symmetry about the first and second axes.

Abstract: A computer vision temporal action localization (TAL) computing tool and operations are provided. The TAL computing tool receives a coarse temporal bounding box, having a first start point and a first end point, for an action in the input video data, and a first set of logits, where each logit corresponds to a potential classification of the action in the input video data. The TAL computing tool executes a first engine on the coarse temporal bounding box to generate a second set of logits, and a second engine on the first set of logits to generate a refined temporal bounding box having a second start point and a second end point. The TAL computing tool performs the computer vision temporal action localization operation based on the second set of logits and the refined temporal bounding box to specify a temporal segment of the input video data corresponding to an action represented in the input video data, and a corresponding classification of the action represented in the temporal segment.

Abstract: A display panel is provided and includes a substrate and a plurality of pixel units. Each of the pixel units includes a color resist block, a light transmission area, and a non-light transmission area. An opening is defined at an edge of the color resist block in the non-light transmission area, and a through-hole area is defined in the opening. The opening includes a first sidewall near the light transmission area, a compensation member is disposed at an end of the first sidewall near a gap area, and a block angle structure is formed between the compensation member and the first sidewall.

Abstract: A display panel, crack detection method therefor, and display device. The display panel comprises a display area (100) provided with at least one first data line (101) and at least one second data line (102), and peripheral area (200) surrounding the display area and provided with a first crack detection line, second crack detection line, first detection switch circuit (51), and second detection switch circuit (52); the first crack detection line and second crack detection line are in different functional layers; the first crack detection line has a first end (A) electrically connected to a first test end and a second end (C) electrically connected to first detection switch circuit; the second crack detection line has a first end (B1) electrically connected to a third node (B) that is different from the first end (A) and second end (C), and a second end (A1) electrically connected to second detection switch circuit.

Abstract: A voice call translation capability negotiation method and an electronic device are provided, and relate to the field of terminal technologies. The method includes: After a first electronic device establishes a communication link with a second electronic device, if a voice call translation function is enabled, the first electronic device receives first indication information sent by the second electronic device. The first indication information is used to indicate that a voice call translation function of the second electronic device is enabled. The first electronic device automatically disables the voice call translation function.

Abstract: A positioning method of functional rotation center of shoulder based on rigid upper arm model includes: step 1: abstracting a human upper arm into a cylinder with FRCS as a center of top surface; step 2: determining a reference axis vector of the cylinder; step 3: determining an axis vector of the cylinder and a displacement from the reference axis vector to the axis vector; step 4: correcting a central axis direction of the cylinder; step 5: determining a height compensation of the cylinder, and positioning the FRCS. The method has higher accuracy for the positioning result of FRCS, the positioning result of FRCS has better stability relative to the upper arm and trunk, and can be used to establish a more accurate human digital dynamic model and predict more accurate human posture.

Abstract: A laser projection apparatus includes a laser source assembly, a light modulation assembly, and a projection lens. The laser source assembly includes a laser device, and the laser device includes a base plate, at least one frame, and a plurality of light-emitting chips. At least one accommodating space is defined between the at least one frame and the base plate. A region of the base plate located in the at least one accommodating space includes a first region and a second region. The second region is located on at least one side of the first region. An operating parameter of each light-emitting chip in the first region is less than an operating parameter of each light-emitting chip in the second region, and the operating parameter includes at least one of a photothermal conversion efficiency or a wavelength of the emitted laser beam.

Abstract: A method for drivable area detection and autonomous obstacle avoidance of unmanned haulage equipment in deep confined spaces is disclosed, which includes the following steps: acquiring 3D point cloud data of a roadway; computing a 2D image drivable area of the coal mine roadway; acquiring a 3D point cloud drivable area of the coal mine roadway; establishing a 2D grid map and a risk map, and performing autonomous obstacle avoidance path planning by using a particle swarm path planning method designed for deep confined roadways; and acquiring an optimal end point to be selected of a driving path by using a greedy strategy, and enabling an unmanned auxiliary haulage vehicle to drive according to the optimal end point and an optimal path. Images of a coal mine roadway are acquired actively by use of a single-camera sensor device.

Abstract: In certain aspects, a three-dimensional (3D) memory device includes a stack structure including interleaved conductive layers and dielectric layers and having a core array region and a staircase region in a plan view, one or more channel structures each extending through the core array region of the stack structure, and one or more contact structures each extending through the stack structure, wherein each of the one or more contact structures includes a head portion and a body portion, and a width of the head portion of the respective contact structure is larger than that of the body portion of the respective contact structure.

Abstract: A laser projection apparatus includes a laser source assembly, a light modulation assembly, and a projection lens. The laser source assembly includes a laser device. The laser device includes a base plate, a frame, a first light-emitting chip, a first reflecting portion, a first collimating portion, and a light homogenizing component. The first light-emitting chip is configured to emit a first laser beam. The first collimating portion is located in a sealed space and configured to collimate the first laser beam, so as to transmit the first laser beam to the light homogenizing component in a direction perpendicular to the base plate. The light homogenizing component is disposed on a side of the frame away from the base plate and configured to homogenize the first laser beam and propagate the first laser beam out of the sealed space.

Abstract: A transmission control method, a device and a reconfigure intelligent surface are provided. The method in the present disclosure is performed by a reconfigure intelligent surface (RIS), the RIS includes a plurality of RIS atoms and a plurality of connectors, where each of the plurality of connectors is configured to control a connection state of the plurality of RIS atoms around the connector; the method includes: determining a setting parameter of a RIS unit; determining the connection state of the plurality of RIS atoms around the connector according to the setting parameter, and determining the RIS unit according to the connection state; where at least one of the RIS atoms constitutes one RIS unit, the setting parameter includes a center distance between multiple RIS units.

Abstract: A display panel and a display device are provided. In the display panel, an upconversion material layer is configured to convert interactive light from a first wave band into a second wave band. A light-sensing transistor of a light-sensing circuit is configured to convert a light intensity signal of the interactive light into an electrical signal after the wave band of the interactive light is converted. A position-detecting circuit is configured to identify a position where the interactive light is irradiated according to the electrical signal. Therefore, the display panel can interact with light having relatively long wavelengths.

Abstract: The present application discloses a liquid crystal display panel, which includes an array substrate, a color filter substrate, a first polarizer and a second polarizer; wherein each of the pixel units includes a pixel electrode, the pixel electrode includes a trunk electrode, the trunk electrode includes a first trunk electrode disposed along a first direction and a second trunk electrode disposed along a second direction, and an angle between the first direction and the first polarization direction is different from a right angle.