Abstract: The present disclosure provides a method and system for optimizing first-diffraction-order reconstruction of holograms, a device and a medium, and relates to the field of image processing. The method includes: acquiring a target image; determining a target image light field according to the target image; calculating a target diffraction field for the target image light field by performing backward propagation by a set distance; constructing a U-Net network model; and inputting the target diffraction field into a trained U-Net network model to acquire an optimized hologram. The trained U-Net network model is obtained by constructing a U-Net network model and training and optimizing the U-Net network model, thereby continuously improving the quality of the zero-diffraction-order reconstructed image of the initial hologram and finally achieving the effect of optimizing the first-diffraction-order reconstructed image of the hologram.

Abstract: Disclosed are a display substrate, a liquid crystal display panel (100) and a display device. The display substrate (9) includes: a base substrate (1), a plurality of sub-pixels arranged in an array on the base substrate, a plurality of data lines (D) extending in a first direction (X), a plurality of gate lines (G) extending in a second direction (Y), and a common electrode (2) arranged in a minimum area enclosed by the data lines and the gate lines; wherein the minimum area includes two sub-pixels, the common electrode includes a main electrode (21) with strip-shaped which is arranged at the junction of the two sub-pixels and a plurality of branch electrodes (22) with strip-shaped which are symmetrically distributed on two sides of the main electrode, and the extending directions of a part of the plurality of branch electrodes arranged on a same side of the main electrode are identical.

Abstract: A computer readable storage medium is provided. When contents of the computer readable storage medium are executed by a processor, multi-photon imaging may be performed on a histopathological section containing tumor environment information, and pathological partitioning of a tumor microenvironment may be further performed through image processing. A value of each collagen feature parameters, such as a morphological feature parameter, an energy feature parameter and a texture feature parameter, may be extracted from a tumor tissue region, an invasive margin (IM) region and a normal tissue (N) region. An inter-region difference and a variation may be calculated according to feature parameters of regions. A collagen feature scoring model may be established. A collagen feature score may be calculated with the collagen feature parameters input to the model.

Abstract: Embodiments of this application provide a human-computer interaction method, a human-computer interaction apparatus, and a storage medium. The method includes: displaying a human-computer interface, where the human-computer interface includes an operable object and a visual stimulus region; and executing a first operational command on the operable object, where the first operational command is determined based on a first signal, the first signal is an electroencephalography signal generated when a user gazes at a first region, the first region is one of a plurality of regions around the visual stimulus region, different electroencephalography signals are generated when the user gazes at different regions of the plurality of regions, and the different electroencephalography signals indicate to execute different operational commands related to the operable object.

Abstract: A virtual scene playback method is disclosed, which comprises: receiving a scene playback instruction and determining playback parameters according to the scene playback instruction, wherein the playback parameters include playback space and playback time; querying virtual space information and user model information corresponding to the playback parameters; and generating virtual scene playback content according to the virtual space information and the user model information. The present disclosure can save all the information in the virtual scene and play back the virtual scene corresponding to specific space and time. A virtual scene playback apparatus, an electronic device and a storage medium are also disclosed, which also have the above beneficial effects.

Abstract: A method and system for generating a random graphic training dataset and a hologram is disclosed, which relates to the technical field of image processing. The method for generating a random graphic training dataset includes: randomly generating a plurality of graphic datasets, where each of the graphic datasets includes a square, a circle and an equilateral triangle; for any graphic dataset, performing gradual filling on each graphic in the graphic dataset to obtain a gradual graphic dataset; and performing translation transformation on each graphic in the gradual graphic dataset for a predetermined number of times to obtain random graphics corresponding to the graphic dataset, and determining random graphics corresponding to all graphic datasets as a random graphic training dataset. More comprehensive training data can be provided and a training effect of a model can be improved.

Abstract: Disclosed is a method for identifying and parsing an industrial control protocol based on an industrial gateway. The industrial gateway captures, through a serial port and a network port, messages sent from a host computer and a lower computer to the industrial gateway, extracts features representing different protocol types and protocol fields from the messages, and identifies and parses the messages based on protocol character features.

Abstract: The present disclosure provides the use of prelithiated hard carbon in the preparation of lean lithium metal anode electrode, the incorporation of the lean lithium metal anode electrode into full cells, and the evaluation of the electrochemical performances in the full cell under practical conditions. A full cell using the prelithiated hard carbon with lean lithium metal anode electrode and a high-capacity cathode can exhibit high energy density, high Coulombic efficiency, and long cycling life.

Abstract: A living engineered glue system for performing autonomous mechanical repairs comprises a biofilm of microbial cells embedded in an extracellular matrix and operably linked in an environmentally-inducible, cell-cell communication genetic circuit to control gene expression.

Abstract: A method for designing a distributed communication topology of a micro-grid based on network mirroring and global propagation rates includes the following steps: first, determining the communication connectivity of distributed directed networks in the micro-grid; next, obtaining, for connected directed communication networks, mirror networks thereof based on a mirroring operation, and selecting an optimal distributed directed communication topology corresponding to a maximum performance indicator based on algebraic connectivity and communication costs; solving, for the optimized distributed communication topology, pinned distributed generation sets corresponding to different pinning numbers based on global propagation rates and out-degrees; and finally, establishing a distributed secondary voltage control of the micro-grid based on the optimal distributed communication network and pinned nodes of the micro-grid, to achieve accurate reactive power sharing and average voltage restoration.

Abstract: An antibiotic susceptibility testing device of gram-negative bacteria, as well as a corresponding method, are discussed. The device has a temperature control unit (including a constant temperature chamber) and a contactless conductivity-based measurement system. Disposable glassy or PVC tubes are used as test vessels for AST. In the performance of AST assay, appropriate kind of liquid medium containing identical amount of target bacterial cells and target antibiotics at different concentrations are loaded into test tubes, following by incubation in the device at a setup temperature. The bacterial growth profile is monitored by collecting the differential values (?C) of conductivity of liquid medium, which depend on the proliferation of viable cells. Outcome of ?C indicates whether the target bacterial cells are completely inhibited by the test antibiotic or not, enabling the user to judge the value of the minimal inhibitory concentration (MIC) simply.

Abstract: An integrated imaging display system is provided. The integrated imaging display system includes: a light source, a converging lens, an illumination microlens array, and a projection microlens array, where illumination microlens units in the illumination microlens array and projection microlens units in the projection microlens array are disposed in a one-to-one correspondence, and the converging lens converts all light emitted by the light source into parallel light and then irradiates the parallel light to the illumination microlens array; a sub-image is provided on a side of each of the illumination microlens units close to the projection microlens unit; all light emitted by each of the illumination microlens units is irradiated on a corresponding projection microlens unit after passing through the sub-image, and the projection microlens array displays an image of the sub-image.

Abstract: Disclosed is a method for identifying and parsing an industrial control protocol based on an industrial gateway. The industrial gateway captures, through a serial port and a network port, messages sent from a host computer and a lower computer to the industrial gateway, extracts features representing different protocol types and protocol fields from the messages, and identifies and parses the messages based on protocol character features.

Abstract: A wafer holder and a wafer transfer apparatus, system and method are disclosed. The wafer holder is mounted onto the wafer transfer apparatus and includes a holder body and a sucker. The holder body defines a first opening, while the sucker includes a first skirt. The first skirt is located on one side of the holder body and connected to the first opening. A groove is formed at a joint between the first skirt and the first opening. The groove is located at an outer side of the first skirt, and is able to relief stresses produced at a base portion of the sucker during deformation of the first skirt.

Abstract: A method for designing a distributed communication topology of a micro-grid based on network mirroring and global propagation rates includes the following steps: first, determining the communication connectivity of distributed directed networks in the micro-grid; next, obtaining, for connected directed communication networks, mirror networks thereof based on a mirroring operation, and selecting an optimal distributed directed communication topology corresponding to a maximum performance indicator based on algebraic connectivity and communication costs; solving, for the optimized distributed communication topology, pinned distributed generation sets corresponding to different pinning numbers based on global propagation rates and out-degrees; and finally, establishing a distributed secondary voltage control of the micro-grid based on the optimal distributed communication network and pinned nodes of the micro-grid, to achieve accurate reactive power sharing and average voltage restoration.

Abstract: An integrated imaging display system is provided. The integrated imaging display system includes: a light source, a converging lens, an illumination microlens array, and a projection microlens array, where illumination microlens units in the illumination microlens array and projection microlens units in the projection microlens array are disposed in a one-to-one correspondence, and the converging lens converts all light emitted by the light source into parallel light and then irradiates the parallel light to the illumination microlens array; a sub-image is provided on a side of each of the illumination microlens units close to the projection microlens unit; all light emitted by each of the illumination microlens units is irradiated on a corresponding projection microlens unit after passing through the sub-image, and the projection microlens array displays an image of the sub-image.

Abstract: An antibiotic susceptibility testing device of gram-negative bacteria, as well as a corresponding method, are discussed. The device has a temperature control unit (including a constant temperature chamber) and a contactless conductivity-based measurement system. Disposable glassy or PVC tubes are used as test vessels for AST. In the performance of AST assay, appropriate kind of liquid medium containing identical amount of target bacterial cells and target antibiotics at different concentrations are loaded into test tubes, following by incubation in the device at a setup temperature. The bacterial growth profile is monitored by collecting the differential values (?C) of conductivity of liquid medium, which depend on the proliferation of viable cells. Outcome of ?C indicates whether the target bacterial cells are completely inhibited by the test antibiotic or not, enabling the user to judge the value of the minimal inhibitory concentration (MIC) simply.

Abstract: The disclosure discloses a touch display panel and a touch display device. The touch display panel includes: a display panel, an encapsulation layer and a touch lead, wherein, the display panel includes a display area and a non-display area including a lead bonding area; the encapsulation layer covers the display area and extends to the lead bonding area; the touch lead extends to the lead bonding area along a side of the encapsulation layer away from the display area.

Abstract: A chip bonding apparatus includes a chip separation unit, a chip alignment unit, a chip bonding unit and a bonding robotic arm unit. The bonding robotic arm unit includes a first bonding robotic arm unit and a second bonding robotic arm unit. The first bonding robotic arm unit includes a first motion stage, a first driver configured to drive the first motion stage and at least one first bonding robotic arm arranged on the first motion stage. The first bonding robotic arm is configured to suck up a chip from the chip separation unit and deliver it to the chip alignment unit. The second bonding robotic arm unit includes a second motion stage, a second driver configured to drive the second motion stage and at least one second bonding robotic arm arranged on the second motion stage.